import Foundation
import UIKit
import AsyncDisplayKit
import Display
import SwiftSignalKit
import Postbox
import TelegramCore
import SyncCore
import LegacyComponents
import MtProtoKit
import TelegramPresentationData
import TelegramUIPreferences
import DeviceAccess
import ItemListUI
import PresentationDataUtils
import AccountContext
import OverlayStatusController
import AvatarNode
import AlertUI
import PresentationDataUtils
import TelegramNotices
import GalleryUI
import LegacyUI
import PassportUI
import SearchUI
import ItemListPeerItem
import CallListUI
import ChatListUI
import ItemListAvatarAndNameInfoItem
import ItemListPeerActionItem
import WebSearchUI
import PeerAvatarGalleryUI
import MapResourceToAvatarSizes
import AppBundle
import ContextUI
import WalletUI
import PhoneNumberFormat
import AccountUtils
import AuthTransferUI

private let avatarFont = avatarPlaceholderFont(size: 13.0)

private final class ContextControllerContentSourceImpl: ContextControllerContentSource {
    let controller: ViewController
    weak var sourceNode: ASDisplayNode?
    
    let navigationController: NavigationController? = nil
    
    let passthroughTouches: Bool = false
    
    init(controller: ViewController, sourceNode: ASDisplayNode?) {
        self.controller = controller
        self.sourceNode = sourceNode
    }
    
    func transitionInfo() -> ContextControllerTakeControllerInfo? {
        let sourceNode = self.sourceNode
        return ContextControllerTakeControllerInfo(contentAreaInScreenSpace: CGRect(origin: CGPoint(), size: CGSize(width: 10.0, height: 10.0)), sourceNode: { [weak sourceNode] in
            if let sourceNode = sourceNode {
                return (sourceNode, sourceNode.bounds)
            } else {
                return nil
            }
        })
    }
    
    func animatedIn() {
    }
}

private indirect enum SettingsEntryTag: Equatable, ItemListItemTag {
    case account(AccountRecordId)
    
    func isEqual(to other: ItemListItemTag) -> Bool {
        if let other = other as? SettingsEntryTag {
            return self == other
        } else {
            return false
        }
    }
}

private final class SettingsItemArguments {
    let sharedContext: SharedAccountContext
    let avatarAndNameInfoContext: ItemListAvatarAndNameInfoItemContext
    
    let avatarTapAction: () -> Void
    
    let changeProfilePhoto: () -> Void
    let openUsername: () -> Void
    let openProxy: () -> Void
    let openSavedMessages: () -> Void
    let openRecentCalls: () -> Void
    let openPrivacyAndSecurity: (AccountPrivacySettings?) -> Void
    let openDataAndStorage: () -> Void
    let openStickerPacks: ([ArchivedStickerPackItem]?) -> Void
    let openNotificationsAndSounds: (NotificationExceptionsList?) -> Void
    let openThemes: () -> Void
    let pushController: (ViewController) -> Void
    let openLanguage: () -> Void
    let openPassport: () -> Void
    let openWallet: () -> Void
    let openWatch: () -> Void
    let openSupport: () -> Void
    let openFaq: (String?) -> Void
    let openEditing: () -> Void
    let displayCopyContextMenu: () -> Void
    let switchToAccount: (AccountRecordId) -> Void
    let addAccount: () -> Void
    let setAccountIdWithRevealedOptions: (AccountRecordId?, AccountRecordId?) -> Void
    let removeAccount: (AccountRecordId) -> Void
    let keepPhone: () -> Void
    let openPhoneNumberChange: () -> Void
    let accountContextAction: (AccountRecordId, ASDisplayNode, ContextGesture?) -> Void
    let openDevices: () -> Void
    
    init(
        sharedContext: SharedAccountContext,
        avatarAndNameInfoContext: ItemListAvatarAndNameInfoItemContext,
    
        avatarTapAction: @escaping () -> Void,
    
        changeProfilePhoto: @escaping () -> Void,
        openUsername: @escaping () -> Void,
        openProxy: @escaping () -> Void,
        openSavedMessages: @escaping () -> Void,
        openRecentCalls: @escaping () -> Void,
        openPrivacyAndSecurity: @escaping (AccountPrivacySettings?) -> Void,
        openDataAndStorage: @escaping () -> Void,
        openStickerPacks: @escaping ([ArchivedStickerPackItem]?) -> Void,
        openNotificationsAndSounds: @escaping (NotificationExceptionsList?) -> Void,
        openThemes: @escaping () -> Void,
        pushController: @escaping (ViewController) -> Void,
        openLanguage: @escaping () -> Void,
        openPassport: @escaping () -> Void,
        openWallet: @escaping () -> Void,
        openWatch: @escaping () -> Void,
        openSupport: @escaping () -> Void,
        openFaq: @escaping (String?) -> Void,
        openEditing: @escaping () -> Void,
        displayCopyContextMenu: @escaping () -> Void,
        switchToAccount: @escaping (AccountRecordId) -> Void,
        addAccount: @escaping () -> Void,
        setAccountIdWithRevealedOptions: @escaping (AccountRecordId?, AccountRecordId?) -> Void,
        removeAccount: @escaping (AccountRecordId) -> Void,
        keepPhone: @escaping () -> Void,
        openPhoneNumberChange: @escaping () -> Void,
        accountContextAction: @escaping (AccountRecordId, ASDisplayNode, ContextGesture?) -> Void,
        openDevices: @escaping () -> Void
    ) {
        self.sharedContext = sharedContext
        self.avatarAndNameInfoContext = avatarAndNameInfoContext
        
        self.avatarTapAction = avatarTapAction
        
        self.changeProfilePhoto = changeProfilePhoto
        self.openUsername = openUsername
        self.openProxy = openProxy
        self.openSavedMessages = openSavedMessages
        self.openRecentCalls = openRecentCalls
        self.openPrivacyAndSecurity = openPrivacyAndSecurity
        self.openDataAndStorage = openDataAndStorage
        self.openStickerPacks = openStickerPacks
        self.openNotificationsAndSounds = openNotificationsAndSounds
        self.openThemes = openThemes
        self.pushController = pushController
        self.openLanguage = openLanguage
        self.openPassport = openPassport
        self.openWallet = openWallet
        self.openWatch = openWatch
        self.openSupport = openSupport
        self.openFaq = openFaq
        self.openEditing = openEditing
        self.displayCopyContextMenu = displayCopyContextMenu
        self.switchToAccount = switchToAccount
        self.addAccount = addAccount
        self.setAccountIdWithRevealedOptions = setAccountIdWithRevealedOptions
        self.removeAccount = removeAccount
        self.keepPhone = keepPhone
        self.openPhoneNumberChange = openPhoneNumberChange
        self.accountContextAction = accountContextAction
        self.openDevices = openDevices
    }
}

private enum SettingsSection: Int32 {
    case info
    case phone
    case accounts
    case proxy
    case media
    case generalSettings
    case advanced
    case help
}

private indirect enum SettingsEntry: ItemListNodeEntry {
    case userInfo(Account, PresentationTheme, PresentationStrings, PresentationDateTimeFormat, Peer?, CachedPeerData?, ItemListAvatarAndNameInfoItemState, ItemListAvatarAndNameInfoItemUpdatingAvatar?)
    case setProfilePhoto(PresentationTheme, String)
    case setUsername(PresentationTheme, String)
    
    case phoneInfo(PresentationTheme, String, String)
    case keepPhone(PresentationTheme, String)
    case changePhone(PresentationTheme, String)
    
    case account(Int, Account, PresentationTheme, PresentationStrings, PresentationDateTimeFormat, Peer, Int32, Bool)
    case addAccount(PresentationTheme, String)
    
    case proxy(PresentationTheme, UIImage?, String, String)
    
    case devices(PresentationTheme, UIImage?, String, String)
    
    case savedMessages(PresentationTheme, UIImage?, String)
    case recentCalls(PresentationTheme, UIImage?, String)
    case stickers(PresentationTheme, UIImage?, String, String, [ArchivedStickerPackItem]?)
    case contentStickers(PresentationTheme, UIImage?, String, String, [ArchivedStickerPackItem]?)
    
    case notificationsAndSounds(PresentationTheme, UIImage?, String, NotificationExceptionsList?, Bool)
    case privacyAndSecurity(PresentationTheme, UIImage?, String, AccountPrivacySettings?)
    case dataAndStorage(PresentationTheme, UIImage?, String)
    case themes(PresentationTheme, UIImage?, String)
    case language(PresentationTheme, UIImage?, String, String)
    case passport(PresentationTheme, UIImage?, String, String)
    case wallet(PresentationTheme, UIImage?, String, String)
    case watch(PresentationTheme, UIImage?, String, String)
    
    case askAQuestion(PresentationTheme, UIImage?, String)
    case faq(PresentationTheme, UIImage?, String)
    
    var section: ItemListSectionId {
        switch self {
        case .userInfo, .setProfilePhoto, .setUsername:
            return SettingsSection.info.rawValue
        case .phoneInfo, .keepPhone, .changePhone:
            return SettingsSection.phone.rawValue
        case .account, .addAccount:
            return SettingsSection.accounts.rawValue
        case .proxy:
            return SettingsSection.proxy.rawValue
        case .devices:
            return SettingsSection.media.rawValue
        case .savedMessages, .recentCalls, .stickers:
            return SettingsSection.media.rawValue
        case .notificationsAndSounds, .privacyAndSecurity, .dataAndStorage, .themes, .language, .contentStickers:
            return SettingsSection.generalSettings.rawValue
        case .passport, .wallet, .watch :
            return SettingsSection.advanced.rawValue
        case .askAQuestion, .faq:
            return SettingsSection.help.rawValue
        }
    }
    
    var stableId: Int32 {
        switch self {
        case .userInfo:
            return 0
        case .setProfilePhoto:
            return 1
        case .setUsername:
            return 2
        case .phoneInfo:
            return 3
        case .keepPhone:
            return 4
        case .changePhone:
            return 5
        case let .account(account):
            return 6 + Int32(account.0)
        case .addAccount:
            return 1002
        case .proxy:
            return 1003
        case .savedMessages:
            return 1004
        case .recentCalls:
            return 1005
        case .stickers:
            return 1006
        case .devices:
            return 1007
        case .notificationsAndSounds:
            return 1008
        case .privacyAndSecurity:
            return 1009
        case .dataAndStorage:
            return 1010
        case .themes:
            return 1011
        case .language:
            return 1012
        case .contentStickers:
            return 1013
        case .wallet:
            return 1014
        case .passport:
            return 1015
        case .watch:
            return 1016
        case .askAQuestion:
            return 1017
        case .faq:
            return 1018
        }
    }
    
    static func ==(lhs: SettingsEntry, rhs: SettingsEntry) -> Bool {
        switch lhs {
            case let .userInfo(lhsAccount, lhsTheme, lhsStrings, lhsDateTimeFormat, lhsPeer, lhsCachedData, lhsEditingState, lhsUpdatingImage):
                if case let .userInfo(rhsAccount, rhsTheme, rhsStrings, rhsDateTimeFormat, rhsPeer, rhsCachedData, rhsEditingState, rhsUpdatingImage) = rhs {
                    if lhsAccount !== rhsAccount {
                        return false
                    }
                    if lhsTheme !== rhsTheme {
                        return false
                    }
                    if lhsStrings !== rhsStrings {
                        return false
                    }
                    if lhsDateTimeFormat != rhsDateTimeFormat {
                        return false
                    }
                    if let lhsPeer = lhsPeer, let rhsPeer = rhsPeer {
                        if !lhsPeer.isEqual(rhsPeer) {
                            return false
                        }
                    } else if (lhsPeer != nil) != (rhsPeer != nil) {
                        return false
                    }
                    if let lhsCachedData = lhsCachedData, let rhsCachedData = rhsCachedData {
                        if !lhsCachedData.isEqual(to: rhsCachedData) {
                            return false
                        }
                    } else if (lhsCachedData != nil) != (rhsCachedData != nil) {
                        return false
                    }
                    if lhsEditingState != rhsEditingState {
                        return false
                    }
                    if lhsUpdatingImage != rhsUpdatingImage {
                        return false
                    }
                    return true
                } else {
                    return false
                }
            case let .account(lhsIndex, lhsAccount, lhsTheme, lhsStrings, lhsDateTimeFormat, lhsPeer, lhsBadgeCount, lhsRevealed):
                if case let .account(rhsIndex, rhsAccount, rhsTheme, rhsStrings, rhsDateTimeFormat, rhsPeer, rhsBadgeCount, rhsRevealed) = rhs, lhsIndex == rhsIndex, lhsAccount === rhsAccount, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsDateTimeFormat == rhsDateTimeFormat, lhsPeer.isEqual(rhsPeer), lhsBadgeCount == rhsBadgeCount, lhsRevealed == rhsRevealed {
                    return true
                } else {
                    return false
                }
            case let .phoneInfo(lhsTheme, lhsTitle, lhsText):
                if case let .phoneInfo(rhsTheme, rhsTitle, rhsText) = rhs, lhsTheme === rhsTheme, lhsTitle == rhsTitle, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .keepPhone(lhsTheme, lhsText):
                if case let .keepPhone(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .changePhone(lhsTheme, lhsText):
                if case let .changePhone(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .addAccount(lhsTheme, lhsText):
                if case let .addAccount(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .setProfilePhoto(lhsTheme, lhsText):
                if case let .setProfilePhoto(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .setUsername(lhsTheme, lhsText):
                if case let .setUsername(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .proxy(lhsTheme, lhsImage, lhsText, lhsValue):
                if case let .proxy(rhsTheme, rhsImage, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .devices(lhsTheme, lhsImage, lhsText, lhsValue):
                if case let .devices(rhsTheme, rhsImage, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .savedMessages(lhsTheme, lhsImage, lhsText):
                if case let .savedMessages(rhsTheme, rhsImage, rhsText) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .recentCalls(lhsTheme, lhsImage, lhsText):
                if case let .recentCalls(rhsTheme, rhsImage, rhsText) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .stickers(lhsTheme, lhsImage, lhsText, lhsValue, _):
                if case let .stickers(rhsTheme, rhsImage, rhsText, rhsValue, _) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .contentStickers(lhsTheme, lhsImage, lhsText, lhsValue, _):
                if case let .contentStickers(rhsTheme, rhsImage, rhsText, rhsValue, _) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .notificationsAndSounds(lhsTheme, lhsImage, lhsText, lhsExceptionsList, lhsWarning):
                if case let .notificationsAndSounds(rhsTheme, rhsImage, rhsText, rhsExceptionsList, rhsWarning) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsExceptionsList == rhsExceptionsList, lhsWarning == rhsWarning {
                    return true
                } else {
                    return false
                }
            case let .privacyAndSecurity(lhsTheme, lhsImage, lhsText, lhsSettings):
                if case let .privacyAndSecurity(rhsTheme, rhsImage, rhsText, rhsSettings) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsSettings == rhsSettings {
                    return true
                } else {
                    return false
                }
            case let .dataAndStorage(lhsTheme, lhsImage, lhsText):
                if case let .dataAndStorage(rhsTheme, rhsImage, rhsText) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .themes(lhsTheme, lhsImage, lhsText):
                if case let .themes(rhsTheme, rhsImage, rhsText) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .language(lhsTheme, lhsImage, lhsText, lhsValue):
                if case let .language(rhsTheme, rhsImage, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .passport(lhsTheme, lhsImage, lhsText, lhsValue):
                if case let .passport(rhsTheme, rhsImage, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .wallet(lhsTheme, lhsImage, lhsText, lhsValue):
                if case let .wallet(rhsTheme, rhsImage, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .watch(lhsTheme, lhsImage, lhsText, lhsValue):
                if case let .watch(rhsTheme, rhsImage, rhsText, rhsValue) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText, lhsValue == rhsValue {
                    return true
                } else {
                    return false
                }
            case let .askAQuestion(lhsTheme, lhsImage, lhsText):
                if case let .askAQuestion(rhsTheme, rhsImage, rhsText) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
            case let .faq(lhsTheme, lhsImage, lhsText):
                if case let .faq(rhsTheme, rhsImage, rhsText) = rhs, lhsTheme === rhsTheme, lhsImage === rhsImage, lhsText == rhsText {
                    return true
                } else {
                    return false
                }
        }
    }
    
    static func <(lhs: SettingsEntry, rhs: SettingsEntry) -> Bool {
        return lhs.stableId < rhs.stableId
    }
    
    func item(presentationData: ItemListPresentationData, arguments: Any) -> ListViewItem {
        let arguments = arguments as! SettingsItemArguments
        switch self {
            case let .userInfo(account, theme, strings, dateTimeFormat, peer, cachedData, state, updatingImage):
                return ItemListAvatarAndNameInfoItem(accountContext: arguments.sharedContext.makeTempAccountContext(account: account), presentationData: presentationData, dateTimeFormat: dateTimeFormat, mode: .settings, peer: peer, presence: TelegramUserPresence(status: .present(until: Int32.max), lastActivity: 0), cachedData: cachedData, state: state, sectionId: ItemListSectionId(self.section), style: .blocks(withTopInset: false, withExtendedBottomInset: false), editingNameUpdated: { _ in
                }, avatarTapped: {
                    arguments.avatarTapAction()
                }, context: arguments.avatarAndNameInfoContext, updatingImage: updatingImage, action: {
                    arguments.openEditing()
                }, longTapAction: {
                    arguments.displayCopyContextMenu()
                })
            case let .setProfilePhoto(theme, text):
                return ItemListActionItem(presentationData: presentationData, title: text, kind: .generic, alignment: .natural, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.changeProfilePhoto()
                })
            case let .setUsername(theme, text):
                return ItemListActionItem(presentationData: presentationData, title: text, kind: .generic, alignment: .natural, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openUsername()
                })
            case let .phoneInfo(theme, title, text):
                return ItemListInfoItem(presentationData: presentationData, title: title, text: .markdown(text), style: .blocks, sectionId: self.section, linkAction: { action in
                    if case .tap = action {
                        arguments.openFaq("q-i-have-a-new-phone-number-what-do-i-do")
                    }
                }, closeAction: nil)
            case let .keepPhone(theme, text):
                return ItemListActionItem(presentationData: presentationData, title: text, kind: .generic, alignment: .natural, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.keepPhone()
                })
            case let .changePhone(theme, text):
                return ItemListActionItem(presentationData: presentationData, title: text, kind: .generic, alignment: .natural, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openPhoneNumberChange()
                })
            case let .account(_, account, theme, strings, dateTimeFormat, peer, badgeCount, revealed):
                var label: ItemListPeerItemLabel = .none
                if badgeCount > 0 {
                    label = .badge(compactNumericCountString(Int(badgeCount), decimalSeparator: dateTimeFormat.decimalSeparator))
                }
                return ItemListPeerItem(presentationData: presentationData, dateTimeFormat: PresentationDateTimeFormat(timeFormat: .regular, dateFormat: .dayFirst, dateSeparator: ".", decimalSeparator: ".", groupingSeparator: ""), nameDisplayOrder: .firstLast, context: arguments.sharedContext.makeTempAccountContext(account: account), peer: peer, height: .generic, aliasHandling: .standard, nameStyle: .plain, presence: nil, text: .none, label: label, editing: ItemListPeerItemEditing(editable: true, editing: false, revealed: revealed), revealOptions: nil, switchValue: nil, enabled: true, selectable: true, sectionId: self.section, action: {
                    arguments.switchToAccount(account.id)
                }, setPeerIdWithRevealedOptions: { lhs, rhs in
                    var lhsAccountId: AccountRecordId?
                    if lhs == peer.id {
                        lhsAccountId = account.id
                    }
                    var rhsAccountId: AccountRecordId?
                    if rhs == peer.id {
                        rhsAccountId = account.id
                    }
                    arguments.setAccountIdWithRevealedOptions(lhsAccountId, rhsAccountId)
                }, removePeer: { _ in
                    arguments.removeAccount(account.id)
                }, contextAction: { node, gesture in
                    arguments.accountContextAction(account.id, node, gesture)
                }, tag: SettingsEntryTag.account(account.id))
            case let .addAccount(theme, text):
                return ItemListPeerActionItem(presentationData: presentationData, icon: PresentationResourcesItemList.plusIconImage(theme), title: text, alwaysPlain: false, sectionId: self.section, height: .generic, editing: false, action: {
                    arguments.addAccount()
                })
            case let .proxy(theme, image, text, value):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openProxy()
                })
            case let .devices(theme, image, text, value):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openDevices()
                })
            case let .savedMessages(theme, image, text):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openSavedMessages()
                }, clearHighlightAutomatically: false)
            case let .recentCalls(theme, image, text):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openRecentCalls()
                }, clearHighlightAutomatically: false)
            case let .stickers(theme, image, text, value, archivedPacks):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, labelStyle: .badge(theme.list.itemAccentColor), sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openStickerPacks(archivedPacks)
                }, clearHighlightAutomatically: false)
            case let .contentStickers(theme, image, text, value, archivedPacks):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, labelStyle: .badge(theme.list.itemAccentColor), sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openStickerPacks(archivedPacks)
                }, clearHighlightAutomatically: false)
            case let .notificationsAndSounds(theme, image, text, exceptionsList, warning):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: warning ? "!" : "", labelStyle: warning ? .badge(theme.list.itemDestructiveColor) : .text, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openNotificationsAndSounds(exceptionsList)
                }, clearHighlightAutomatically: false)
            case let .privacyAndSecurity(theme, image, text, privacySettings):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openPrivacyAndSecurity(privacySettings)
                }, clearHighlightAutomatically: false)
            case let .dataAndStorage(theme, image, text):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openDataAndStorage()
                }, clearHighlightAutomatically: false)
            case let .themes(theme, image, text):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openThemes()
                }, clearHighlightAutomatically: false)
            case let .language(theme, image, text, value):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openLanguage()
                }, clearHighlightAutomatically: false)
            case let .passport(theme, image, text, value):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openPassport()
                })
            case let .wallet(theme, image, text, value):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openWallet()
                })
            case let .watch(theme, image, text, value):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: value, sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openWatch()
                }, clearHighlightAutomatically: false)
            case let .askAQuestion(theme, image, text):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openSupport()
                })
            case let .faq(theme, image, text):
                return ItemListDisclosureItem(presentationData: presentationData, icon: image, title: text, label: "", sectionId: ItemListSectionId(self.section), style: .blocks, action: {
                    arguments.openFaq(nil)
                }, clearHighlightAutomatically: false)
        }
    }
}

private struct SettingsState: Equatable {
    var updatingAvatar: ItemListAvatarAndNameInfoItemUpdatingAvatar?
    var accountIdWithRevealedOptions: AccountRecordId?
    var isSearching: Bool
}

private func settingsEntries(account: Account, presentationData: PresentationData, state: SettingsState, view: PeerView, proxySettings: ProxySettings, notifyExceptions: NotificationExceptionsList?, notificationsAuthorizationStatus: AccessType, notificationsWarningSuppressed: Bool, unreadTrendingStickerPacks: Int, archivedPacks: [ArchivedStickerPackItem]?, privacySettings: AccountPrivacySettings?, hasWallet: Bool, hasPassport: Bool, hasWatchApp: Bool, accountsAndPeers: [(Account, Peer, Int32)], inAppNotificationSettings: InAppNotificationSettings, experimentalUISettings: ExperimentalUISettings, displayPhoneNumberConfirmation: Bool, otherSessionCount: Int, enableQRLogin: Bool) -> [SettingsEntry] {
    var entries: [SettingsEntry] = []
    
    if let peer = peerViewMainPeer(view) as? TelegramUser {
        let userInfoState = ItemListAvatarAndNameInfoItemState(editingName: nil, updatingName: nil)
        entries.append(.userInfo(account, presentationData.theme, presentationData.strings, presentationData.dateTimeFormat, peer, view.cachedData, userInfoState, state.updatingAvatar))
        if peer.photo.isEmpty {
            entries.append(.setProfilePhoto(presentationData.theme, presentationData.strings.Settings_SetProfilePhoto))
        }
        if peer.addressName == nil {
            entries.append(.setUsername(presentationData.theme, presentationData.strings.Settings_SetUsername))
        }
        
        if displayPhoneNumberConfirmation {
            let phoneNumber = formatPhoneNumber(peer.phone ?? "")
            entries.append(.phoneInfo(presentationData.theme, presentationData.strings.Settings_CheckPhoneNumberTitle(phoneNumber).0, presentationData.strings.Settings_CheckPhoneNumberText))
            entries.append(.keepPhone(presentationData.theme, presentationData.strings.Settings_KeepPhoneNumber(phoneNumber).0))
            entries.append(.changePhone(presentationData.theme, presentationData.strings.Settings_ChangePhoneNumber))
        }
        
        if !accountsAndPeers.isEmpty {
            var index = 0
            for (peerAccount, peer, badgeCount) in accountsAndPeers {
                entries.append(.account(index, peerAccount, presentationData.theme, presentationData.strings, presentationData.dateTimeFormat, peer, inAppNotificationSettings.displayNotificationsFromAllAccounts ? badgeCount : 0, state.accountIdWithRevealedOptions == peerAccount.id))
                index += 1
            }
            if accountsAndPeers.count + 1 < maximumNumberOfAccounts {
                entries.append(.addAccount(presentationData.theme, presentationData.strings.Settings_AddAccount))
            }
        }
        
        if !proxySettings.servers.isEmpty {
            let valueString: String
            if proxySettings.enabled, let activeServer = proxySettings.activeServer {
                switch activeServer.connection {
                    case .mtp:
                        valueString = presentationData.strings.SocksProxySetup_ProxyTelegram
                    case .socks5:
                        valueString = presentationData.strings.SocksProxySetup_ProxySocks5
                }
            } else {
                valueString = presentationData.strings.Settings_ProxyDisabled
            }
            entries.append(.proxy(presentationData.theme, PresentationResourcesSettings.proxy, presentationData.strings.Settings_Proxy, valueString))
        }
        
        entries.append(.savedMessages(presentationData.theme, PresentationResourcesSettings.savedMessages, presentationData.strings.Settings_SavedMessages))
        entries.append(.recentCalls(presentationData.theme, PresentationResourcesSettings.recentCalls, presentationData.strings.CallSettings_RecentCalls))
        if enableQRLogin {
            entries.append(.devices(presentationData.theme, UIImage(bundleImageName: "Settings/MenuIcons/Sessions")?.precomposed(), presentationData.strings.Settings_Devices, otherSessionCount == 0 ? presentationData.strings.Settings_AddDevice : "\(otherSessionCount)"))
        } else {
            entries.append(.stickers(presentationData.theme, PresentationResourcesSettings.stickers, presentationData.strings.ChatSettings_Stickers, unreadTrendingStickerPacks == 0 ? "" : "\(unreadTrendingStickerPacks)", archivedPacks))
        }
        
        let notificationsWarning = shouldDisplayNotificationsPermissionWarning(status: notificationsAuthorizationStatus, suppressed:  notificationsWarningSuppressed)
        entries.append(.notificationsAndSounds(presentationData.theme, PresentationResourcesSettings.notifications, presentationData.strings.Settings_NotificationsAndSounds, notifyExceptions, notificationsWarning))
        entries.append(.privacyAndSecurity(presentationData.theme, PresentationResourcesSettings.security, presentationData.strings.Settings_PrivacySettings, privacySettings))
        entries.append(.dataAndStorage(presentationData.theme, PresentationResourcesSettings.dataAndStorage, presentationData.strings.Settings_ChatSettings))
        entries.append(.themes(presentationData.theme, PresentationResourcesSettings.appearance, presentationData.strings.Settings_Appearance))
        let languageName = presentationData.strings.primaryComponent.localizedName
        entries.append(.language(presentationData.theme, PresentationResourcesSettings.language, presentationData.strings.Settings_AppLanguage, languageName.isEmpty ? presentationData.strings.Localization_LanguageName : languageName))
        if enableQRLogin {
            entries.append(.contentStickers(presentationData.theme, PresentationResourcesSettings.stickers, presentationData.strings.ChatSettings_Stickers, unreadTrendingStickerPacks == 0 ? "" : "\(unreadTrendingStickerPacks)", archivedPacks))
        }
        
        if hasWallet {
            entries.append(.wallet(presentationData.theme, PresentationResourcesSettings.wallet, "Gram Wallet", ""))
        }
        if hasPassport {
            entries.append(.passport(presentationData.theme, PresentationResourcesSettings.passport, presentationData.strings.Settings_Passport, ""))
        }
        
        if hasWatchApp {
            entries.append(.watch(presentationData.theme, PresentationResourcesSettings.watch, presentationData.strings.Settings_AppleWatch, ""))
        }
        
        entries.append(.askAQuestion(presentationData.theme, PresentationResourcesSettings.support, presentationData.strings.Settings_Support))
        entries.append(.faq(presentationData.theme, PresentationResourcesSettings.faq, presentationData.strings.Settings_FAQ))
    }
    
    return entries
}

public protocol SettingsController: class {
    func updateContext(context: AccountContext)
}

private final class SettingsControllerImpl: ItemListController, SettingsController, TabBarContainedController {
    let sharedContext: SharedAccountContext
    let contextValue: Promise<AccountContext>
    var accountsAndPeersValue: ((Account, Peer)?, [(Account, Peer, Int32)])?
    var accountsAndPeersDisposable: Disposable?
    
    var switchToAccount: ((AccountRecordId) -> Void)?
    var addAccount: (() -> Void)?
    
    weak var switchController: TabBarAccountSwitchController?
    
    override var navigationBarRequiresEntireLayoutUpdate: Bool {
        return false
    }

    init(currentContext: AccountContext, contextValue: Promise<AccountContext>, state: Signal<(ItemListControllerState, (ItemListNodeState, Any)), NoError>, tabBarItem: Signal<ItemListControllerTabBarItem, NoError>?, accountsAndPeers: Signal<((Account, Peer)?, [(Account, Peer, Int32)]), NoError>) {
        self.sharedContext = currentContext.sharedContext
        self.contextValue = contextValue
        let presentationData = currentContext.sharedContext.currentPresentationData.with { $0 }
        
        self.contextValue.set(.single(currentContext))
        
        let updatedPresentationData = self.contextValue.get()
        |> mapToSignal { context -> Signal<PresentationData, NoError> in
            return context.sharedContext.presentationData
        }
        
        super.init(presentationData: ItemListPresentationData(presentationData), updatedPresentationData: updatedPresentationData |> map(ItemListPresentationData.init(_:)), state: state, tabBarItem: tabBarItem)
        
        self.accountsAndPeersDisposable = (accountsAndPeers
        |> deliverOnMainQueue).start(next: { [weak self] value in
            self?.accountsAndPeersValue = value
        })
    }
    
    required init(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    deinit {
        self.accountsAndPeersDisposable?.dispose()
    }
    
    func updateContext(context: AccountContext) {
        //self.contextValue.set(.single(context))
    }
    
    func presentTabBarPreviewingController(sourceNodes: [ASDisplayNode]) {
        guard let (maybePrimary, other) = self.accountsAndPeersValue, let primary = maybePrimary else {
            return
        }
        let controller = TabBarAccountSwitchController(sharedContext: self.sharedContext, accounts: (primary, other), canAddAccounts: other.count + 1 < maximumNumberOfAccounts, switchToAccount: { [weak self] id in
            self?.switchToAccount?(id)
        }, addAccount: { [weak self] in
            self?.addAccount?()
        }, sourceNodes: sourceNodes)
        self.switchController = controller
        self.sharedContext.mainWindow?.present(controller, on: .root)
    }
    
    func updateTabBarPreviewingControllerPresentation(_ update: TabBarContainedControllerPresentationUpdate) {
    }
}

public func settingsController(context: AccountContext, accountManager: AccountManager, enableDebugActions: Bool) -> SettingsController & ViewController {
    let initialState = SettingsState(updatingAvatar: nil, accountIdWithRevealedOptions: nil, isSearching: false)
    let statePromise = ValuePromise(initialState, ignoreRepeated: true)
    let stateValue = Atomic(value: initialState)
    let updateState: ((SettingsState) -> SettingsState) -> Void = { f in
        statePromise.set(stateValue.modify { f($0) })
    }
    
    var pushControllerImpl: ((ViewController) -> Void)?
    var presentControllerImpl: ((ViewController, Any?) -> Void)?
    var presentInGlobalOverlayImpl: ((ViewController, Any?) -> Void)?
    var dismissInputImpl: (() -> Void)?
    var setDisplayNavigationBarImpl: ((Bool) -> Void)?
    var getNavigationControllerImpl: (() -> NavigationController?)?
    
    let actionsDisposable = DisposableSet()
    
    let updateAvatarDisposable = MetaDisposable()
    actionsDisposable.add(updateAvatarDisposable)
    
    let supportPeerDisposable = MetaDisposable()
    actionsDisposable.add(supportPeerDisposable)
    
    let hiddenAvatarRepresentationDisposable = MetaDisposable()
    actionsDisposable.add(hiddenAvatarRepresentationDisposable)
    
    let updatePassportDisposable = MetaDisposable()
    actionsDisposable.add(updatePassportDisposable)
    
    let openEditingDisposable = MetaDisposable()
    actionsDisposable.add(openEditingDisposable)
    
    let currentAvatarMixin = Atomic<TGMediaAvatarMenuMixin?>(value: nil)
    
    var avatarGalleryTransitionArguments: ((AvatarGalleryEntry) -> GalleryTransitionArguments?)?
    let avatarAndNameInfoContext = ItemListAvatarAndNameInfoItemContext()
    var updateHiddenAvatarImpl: (() -> Void)?
    var changeProfilePhotoImpl: (() -> Void)?
    var openSavedMessagesImpl: (() -> Void)?
    var displayCopyContextMenuImpl: ((Peer) -> Void)?
    
    let archivedPacks = Promise<[ArchivedStickerPackItem]?>()
    
    let contextValue = Promise<AccountContext>()
    let accountsAndPeers = Promise<((Account, Peer)?, [(Account, Peer, Int32)])>()
    accountsAndPeers.set(activeAccountsAndPeers(context: context))
    
    let privacySettings = Promise<AccountPrivacySettings?>(nil)

    let openFaq: (Promise<ResolvedUrl>, String?) -> Void = { resolvedUrl, customAnchor in
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let presentationData = context.sharedContext.currentPresentationData.with { $0 }
            let controller = OverlayStatusController(theme: presentationData.theme, type: .loading(cancelled: nil))
            presentControllerImpl?(controller, nil)
            let _ = (resolvedUrl.get()
            |> take(1)
            |> deliverOnMainQueue).start(next: { [weak controller] resolvedUrl in
                controller?.dismiss()

                var resolvedUrl = resolvedUrl
                if case let .instantView(webPage, _) = resolvedUrl, let customAnchor = customAnchor {
                    resolvedUrl = .instantView(webPage, customAnchor)
                }
                context.sharedContext.openResolvedUrl(resolvedUrl, context: context, urlContext: .generic, navigationController: getNavigationControllerImpl?(), openPeer: { peer, navigation in
                }, sendFile: nil, sendSticker: nil, present: { controller, arguments in
                    pushControllerImpl?(controller)
                }, dismissInput: {}, contentContext: nil)
            })
        })
    }
    
    let resolvedUrl = contextValue.get()
    |> deliverOnMainQueue
    |> mapToSignal { context -> Signal<ResolvedUrl, NoError> in
        return cachedFaqInstantPage(context: context)
    }
    
    var removeAccountImpl: ((AccountRecordId) -> Void)?
    var switchToAccountImpl: ((AccountRecordId) -> Void)?
    
    let displayPhoneNumberConfirmation = ValuePromise<Bool>(false)
    
    let activeSessionsContextAndCountSignal = contextValue.get()
    |> deliverOnMainQueue
    |> mapToSignal { context -> Signal<(ActiveSessionsContext, Int), NoError> in
        let activeSessionsContext = ActiveSessionsContext(account: context.account)
        let otherSessionCount = activeSessionsContext.state
        |> map { state -> Int in
            return state.sessions.filter({ !$0.isCurrent }).count
        }
        |> distinctUntilChanged
        return otherSessionCount
        |> map { value in
            return (activeSessionsContext, value)
        }
    }
    let activeSessionsContextAndCount = Promise<(ActiveSessionsContext, Int)>()
    activeSessionsContextAndCount.set(activeSessionsContextAndCountSignal)
    
    let arguments = SettingsItemArguments(sharedContext: context.sharedContext, avatarAndNameInfoContext: avatarAndNameInfoContext, avatarTapAction: {
        var updating = false
        updateState {
            updating = $0.updatingAvatar != nil
            return $0
        }
        if updating {
            return
        }
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let _ = (context.account.postbox.loadedPeerWithId(context.account.peerId)
            |> take(1)
            |> deliverOnMainQueue).start(next: { peer in
                if peer.smallProfileImage != nil {
                    let galleryController = AvatarGalleryController(context: context, peer: peer, replaceRootController: { controller, ready in
                        
                    })
                    hiddenAvatarRepresentationDisposable.set((galleryController.hiddenMedia |> deliverOnMainQueue).start(next: { entry in
                        avatarAndNameInfoContext.hiddenAvatarRepresentation = entry?.representations.first?.representation
                        updateHiddenAvatarImpl?()
                    }))
                    presentControllerImpl?(galleryController, AvatarGalleryControllerPresentationArguments(transitionArguments: { entry in
                        return avatarGalleryTransitionArguments?(entry)
                    }))
                } else {
                    changeProfilePhotoImpl?()
                }
            })
        })
    }, changeProfilePhoto: {
        changeProfilePhotoImpl?()
    }, openUsername: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(usernameSetupController(context: context))
        })
    }, openProxy: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(proxySettingsController(context: context))
        })
    }, openSavedMessages: {
        openSavedMessagesImpl?()
    }, openRecentCalls: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(CallListController(context: context, mode: .navigation))
        })
    }, openPrivacyAndSecurity: { privacySettingsValue in
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let _ = (activeSessionsContextAndCount.get()
            |> deliverOnMainQueue
            |> take(1)).start(next: { activeSessionsContext, _ in
                pushControllerImpl?(privacyAndSecurityController(context: context, initialSettings: privacySettingsValue, updatedSettings: { settings in
                    privacySettings.set(.single(settings))
                }, activeSessionsContext: activeSessionsContext))
            })
        })
    }, openDataAndStorage: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(dataAndStorageController(context: context))
        })
    }, openStickerPacks: { archivedPacksValue in
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(installedStickerPacksController(context: context, mode: .general, archivedPacks: archivedPacksValue, updatedPacks: { packs in
                archivedPacks.set(.single(packs))
            }))
        })
    }, openNotificationsAndSounds: { exceptionsList in
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(notificationsAndSoundsController(context: context, exceptionsList: exceptionsList))
        })
    }, openThemes: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(themeSettingsController(context: context))
        })
    }, pushController: { controller in
        pushControllerImpl?(controller)
    }, openLanguage: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(LocalizationListController(context: context))
        })
    }, openPassport: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(SecureIdAuthController(context: context, mode: .list))
        })
    }, openWallet: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            context.sharedContext.openWallet(context: context, walletContext: .generic, present: { c in
                pushControllerImpl?(c)
            })
        })
    }, openWatch: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            pushControllerImpl?(watchSettingsController(context: context))
        })
    }, openSupport: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let supportPeer = Promise<PeerId?>()
            supportPeer.set(supportPeerId(account: context.account))
            let presentationData = context.sharedContext.currentPresentationData.with { $0 }
            
            let resolvedUrlPromise = Promise<ResolvedUrl>()
            resolvedUrlPromise.set(resolvedUrl)
            
            presentControllerImpl?(textAlertController(context: context, title: nil, text: presentationData.strings.Settings_FAQ_Intro, actions: [
                TextAlertAction(type: .genericAction, title: presentationData.strings.Settings_FAQ_Button, action: {
                openFaq(resolvedUrlPromise, nil)
            }), TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {
                supportPeerDisposable.set((supportPeer.get() |> take(1) |> deliverOnMainQueue).start(next: { peerId in
                    if let peerId = peerId {
                        pushControllerImpl?(context.sharedContext.makeChatController(context: context, chatLocation: .peer(peerId), subject: nil, botStart: nil, mode: .standard(previewing: false)))
                    }
                }))
            })]), nil)
        })
    }, openFaq: { anchor in
        let resolvedUrlPromise = Promise<ResolvedUrl>()
        resolvedUrlPromise.set(resolvedUrl)
        openFaq(resolvedUrlPromise, anchor)
    }, openEditing: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            if let presentControllerImpl = presentControllerImpl, let pushControllerImpl = pushControllerImpl {
                openEditingDisposable.set(openEditSettings(context: context, accountsAndPeers: accountsAndPeers.get(), presentController: presentControllerImpl, pushController: pushControllerImpl))
            }
        })
    }, displayCopyContextMenu: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let _ = (context.account.postbox.transaction { transaction -> (Peer?) in
                return transaction.getPeer(context.account.peerId)
            }
            |> deliverOnMainQueue).start(next: { peer in
                if let peer = peer {
                    displayCopyContextMenuImpl?(peer)
                }
            })
        })
    }, switchToAccount: { id in
        switchToAccountImpl?(id)
    }, addAccount: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let isTestingEnvironment = context.account.testingEnvironment
            let _ = accountManager.transaction({ transaction -> Void in
                let _ = transaction.createAuth([AccountEnvironmentAttribute(environment: isTestingEnvironment ? .test : .production)])
            }).start()
        })
    }, setAccountIdWithRevealedOptions: { accountId, fromAccountId in
        updateState { state in
            var state = state
            if (accountId == nil && fromAccountId == state.accountIdWithRevealedOptions) || (accountId != nil && fromAccountId == nil) {
                state.accountIdWithRevealedOptions = accountId
            }
            return state
        }
    }, removeAccount: { id in
        removeAccountImpl?(id)
    }, keepPhone: {
        displayPhoneNumberConfirmation.set(false)
    }, openPhoneNumberChange: {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let _ = (context.account.postbox.transaction { transaction -> String in
            return (transaction.getPeer(context.account.peerId) as? TelegramUser)?.phone ?? ""
            }
            |> deliverOnMainQueue).start(next: { phoneNumber in
                pushControllerImpl?(ChangePhoneNumberIntroController(context: context, phoneNumber: formatPhoneNumber(phoneNumber)))
            })
        })
    }, accountContextAction: { id, node, gesture in
        var selectedAccount: Account?
        let _ = (accountsAndPeers.get()
        |> take(1)
        |> deliverOnMainQueue).start(next: { accountsAndPeers in
            for (account, _, _) in accountsAndPeers.1 {
                if account.id == id {
                    selectedAccount = account
                    break
                }
            }
        })
        var sharedContext: SharedAccountContext?
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            sharedContext = context.sharedContext
        })
        if let selectedAccount = selectedAccount, let sharedContext = sharedContext {
            let accountContext = sharedContext.makeTempAccountContext(account: selectedAccount)
            let chatListController = accountContext.sharedContext.makeChatListController(context: accountContext, groupId: .root, controlsHistoryPreload: false, hideNetworkActivityStatus: true, previewing: true, enableDebugActions: enableDebugActions)
            
            let presentationData = accountContext.sharedContext.currentPresentationData.with { $0 }
            
            let contextController = ContextController(account: accountContext.account, presentationData: presentationData, source: .controller(ContextControllerContentSourceImpl(controller: chatListController, sourceNode: node)), items: accountContextMenuItems(context: accountContext, logout: {
                removeAccountImpl?(id)
            }), reactionItems: [], gesture: gesture)
            presentInGlobalOverlayImpl?(contextController, nil)
        } else {
            gesture?.cancel()
        }
    }, openDevices: {
        let _ = (activeSessionsContextAndCount.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { activeSessionsContext, count in
            if count == 0 {
                pushControllerImpl?(AuthDataTransferSplashScreen(context: context, activeSessionsContext: activeSessionsContext))
            } else {
                pushControllerImpl?(recentSessionsController(context: context, activeSessionsContext: activeSessionsContext))
            }
        })
    })
    
    changeProfilePhotoImpl = {
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let _ = (context.account.postbox.transaction { transaction -> (Peer?, SearchBotsConfiguration) in
                return (transaction.getPeer(context.account.peerId), currentSearchBotsConfiguration(transaction: transaction))
            }
            |> deliverOnMainQueue).start(next: { peer, searchBotsConfiguration in
                let presentationData = context.sharedContext.currentPresentationData.with { $0 }
                
                let legacyController = LegacyController(presentation: .custom, theme: presentationData.theme)
                legacyController.statusBar.statusBarStyle = .Ignore
                
                let emptyController = LegacyEmptyController(context: legacyController.context)!
                let navigationController = makeLegacyNavigationController(rootController: emptyController)
                navigationController.setNavigationBarHidden(true, animated: false)
                navigationController.navigationBar.transform = CGAffineTransform(translationX: -1000.0, y: 0.0)
                
                legacyController.bind(controller: navigationController)
                
                presentControllerImpl?(legacyController, nil)
                
                var hasPhotos = false
                if let peer = peer, !peer.profileImageRepresentations.isEmpty {
                    hasPhotos = true
                }
                
                let completedImpl: (UIImage) -> Void = { image in
                    if let data = image.jpegData(compressionQuality: 0.6) {
                        let resource = LocalFileMediaResource(fileId: arc4random64())
                        context.account.postbox.mediaBox.storeResourceData(resource.id, data: data)
                        let representation = TelegramMediaImageRepresentation(dimensions: PixelDimensions(width: 640, height: 640), resource: resource)
                        updateState { state in
                            var state = state
                            state.updatingAvatar = .image(representation, true)
                            return state
                        }
                        updateAvatarDisposable.set((updateAccountPhoto(account: context.account, resource: resource, mapResourceToAvatarSizes: { resource, representations in
                            return mapResourceToAvatarSizes(postbox: context.account.postbox, resource: resource, representations: representations)
                        }) |> deliverOnMainQueue).start(next: { result in
                            switch result {
                            case .complete:
                                updateState { state in
                                    var state = state
                                    state.updatingAvatar = nil
                                    return state
                                }
                            case .progress:
                                break
                            }
                        }))
                    }
                }
                
                let mixin = TGMediaAvatarMenuMixin(context: legacyController.context, parentController: emptyController, hasSearchButton: true, hasDeleteButton: hasPhotos, hasViewButton: false, personalPhoto: true, saveEditedPhotos: false, saveCapturedMedia: false, signup: false)!
                let _ = currentAvatarMixin.swap(mixin)
                mixin.requestSearchController = { assetsController in
                    let controller = WebSearchController(context: context, peer: peer, configuration: searchBotsConfiguration, mode: .avatar(initialQuery: nil, completion: { result in
                        assetsController?.dismiss()
                        completedImpl(result)
                    }))
                    presentControllerImpl?(controller, ViewControllerPresentationArguments(presentationAnimation: .modalSheet))
                }
                mixin.didFinishWithImage = { image in
                    if let image = image {
                       completedImpl(image)
                    }
                }
                mixin.didFinishWithDelete = {
                    let _ = currentAvatarMixin.swap(nil)
                    updateState { state in
                        var state = state
                        if let profileImage = peer?.smallProfileImage {
                            state.updatingAvatar = .image(profileImage, false)
                        } else {
                            state.updatingAvatar = .none
                        }
                        return state
                    }
                    updateAvatarDisposable.set((updateAccountPhoto(account: context.account, resource: nil, mapResourceToAvatarSizes: { resource, representations in
                        return mapResourceToAvatarSizes(postbox: context.account.postbox, resource: resource, representations: representations)
                    }) |> deliverOnMainQueue).start(next: { result in
                        switch result {
                        case .complete:
                            updateState { state in
                                var state = state
                                state.updatingAvatar = nil
                                return state
                            }
                        case .progress:
                            break
                        }
                    }))
                }
                mixin.didDismiss = { [weak legacyController] in
                    let _ = currentAvatarMixin.swap(nil)
                    legacyController?.dismiss()
                }
                let menuController = mixin.present()
                if let menuController = menuController {
                    menuController.customRemoveFromParentViewController = { [weak legacyController] in
                        legacyController?.dismiss()
                    }
                }
            })
        })
    }
    
    let peerView = contextValue.get()
    |> mapToSignal { context -> Signal<PeerView, NoError> in
        return context.account.viewTracker.peerView(context.account.peerId, updateData: true)
    }
    
    archivedPacks.set(
        .single(nil)
        |> then(
            contextValue.get()
            |> mapToSignal { context -> Signal<[ArchivedStickerPackItem]?, NoError> in
                archivedStickerPacks(account: context.account)
                |> map(Optional.init)
            }
        )
    )
    
    let hasWallet = contextValue.get()
    |> mapToSignal { context in
        return context.hasWalletAccess
    }
    
    let hasPassport = ValuePromise<Bool>(false)
    let updatePassport: () -> Void = {
        updatePassportDisposable.set((
        contextValue.get()
        |> take(1)
        |> mapToSignal { context -> Signal<Bool, NoError> in
            return twoStepAuthData(context.account.network)
            |> map { value -> Bool in
                return value.hasSecretValues
            }
            |> `catch` { _ -> Signal<Bool, NoError> in
                return .single(false)
            }
        }
        |> deliverOnMainQueue).start(next: { value in
            hasPassport.set(value)
        }))
    }
    updatePassport()
    
    let notificationsAuthorizationStatus = Promise<AccessType>(.allowed)
    if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
        notificationsAuthorizationStatus.set(
            .single(.allowed)
            |> then(
                contextValue.get()
                |> mapToSignal { context -> Signal<AccessType, NoError> in
                    return DeviceAccess.authorizationStatus(applicationInForeground: context.sharedContext.applicationBindings.applicationInForeground, subject: .notifications)
                }
            )
        )
    }
    
    let notificationsWarningSuppressed = Promise<Bool>(true)
    if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
        notificationsWarningSuppressed.set(
            .single(true)
            |> then(
                contextValue.get()
                |> mapToSignal { context -> Signal<Bool, NoError> in
                    return context.sharedContext.accountManager.noticeEntry(key: ApplicationSpecificNotice.permissionWarningKey(permission: .notifications)!)
                    |> map { noticeView -> Bool in
                        let timestamp = noticeView.value.flatMap({ ApplicationSpecificNotice.getTimestampValue($0) })
                        if let timestamp = timestamp, timestamp > 0 {
                            return true
                        } else {
                            return false
                        }
                    }
                }
            )
        )
    }
    
    let notifyExceptions = Promise<NotificationExceptionsList?>(NotificationExceptionsList(peers: [:], settings: [:]))
    let updateNotifyExceptions: () -> Void = {
        notifyExceptions.set(
            contextValue.get()
            |> take(1)
            |> mapToSignal { context -> Signal<NotificationExceptionsList?, NoError> in
                return .single(NotificationExceptionsList(peers: [:], settings: [:]))
                |> then(
                    notificationExceptionsList(postbox: context.account.postbox, network: context.account.network)
                    |> map(Optional.init)
                )
            }
        )
    }
    
    privacySettings.set(
    .single(nil)
    |> then(
        contextValue.get()
        |> mapToSignal { context -> Signal<AccountPrivacySettings?, NoError> in
            requestAccountPrivacySettings(account: context.account)
            |> map(Optional.init)
            }
        )
    )
    
    let hasWatchApp = contextValue.get()
    |> mapToSignal { context -> Signal<Bool, NoError> in
        if let watchManager = context.watchManager {
            return watchManager.watchAppInstalled
        } else {
            return .single(false)
        }
    }
    
    let updatedPresentationData = contextValue.get()
    |> mapToSignal { context -> Signal<PresentationData, NoError> in
        return context.sharedContext.presentationData
    }
    
    let preferences = context.sharedContext.accountManager.sharedData(keys: [
        SharedDataKeys.proxySettings,
        ApplicationSpecificSharedDataKeys.inAppNotificationSettings,
        ApplicationSpecificSharedDataKeys.experimentalUISettings
    ])
    
    let featuredStickerPacks = contextValue.get()
    |> mapToSignal { context in
        return context.account.viewTracker.featuredStickerPacks()
    }
    
    let enableQRLogin = contextValue.get()
    |> mapToSignal { context -> Signal<Bool, NoError> in
        return context.account.postbox.preferencesView(keys: [PreferencesKeys.appConfiguration])
        |> map { view -> Bool in
            guard let appConfiguration = view.values[PreferencesKeys.appConfiguration] as? AppConfiguration else {
                return false
            }
            guard let data = appConfiguration.data, let enableQR = data["qr_login_camera"] as? Bool, enableQR else {
                return false
            }
            return true
        }
        |> distinctUntilChanged
    }
    
    let signal = combineLatest(queue: Queue.mainQueue(), contextValue.get(), updatedPresentationData, statePromise.get(), peerView, combineLatest(queue: Queue.mainQueue(), preferences, notifyExceptions.get(), notificationsAuthorizationStatus.get(), notificationsWarningSuppressed.get(), privacySettings.get(), displayPhoneNumberConfirmation.get()), combineLatest(featuredStickerPacks, archivedPacks.get()), combineLatest(hasWallet, hasPassport.get(), hasWatchApp, enableQRLogin), accountsAndPeers.get(), activeSessionsContextAndCount.get())
    |> map { context, presentationData, state, view, preferencesAndExceptions, featuredAndArchived, hasWalletPassportAndWatch, accountsAndPeers, activeSessionsContextAndCount -> (ItemListControllerState, (ItemListNodeState, Any)) in
        let otherSessionCount = activeSessionsContextAndCount.1

        let proxySettings: ProxySettings = preferencesAndExceptions.0.entries[SharedDataKeys.proxySettings] as? ProxySettings ?? ProxySettings.defaultSettings
        let inAppNotificationSettings: InAppNotificationSettings = preferencesAndExceptions.0.entries[ApplicationSpecificSharedDataKeys.inAppNotificationSettings] as? InAppNotificationSettings ?? InAppNotificationSettings.defaultSettings
        let experimentalUISettings: ExperimentalUISettings = preferencesAndExceptions.0.entries[ApplicationSpecificSharedDataKeys.experimentalUISettings] as? ExperimentalUISettings ?? ExperimentalUISettings.defaultSettings
    
        let rightNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Edit), style: .regular, enabled: true, action: {
            arguments.openEditing()
        })
        
        let controllerState = ItemListControllerState(presentationData: ItemListPresentationData(presentationData), title: .text(presentationData.strings.Settings_Title), leftNavigationButton: nil, rightNavigationButton: rightNavigationButton, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back))
        
        var unreadTrendingStickerPacks = 0
        for item in featuredAndArchived.0 {
            if item.unread {
                unreadTrendingStickerPacks += 1
            }
        }
        
        let searchItem = SettingsSearchItem(context: context, theme: presentationData.theme, placeholder: presentationData.strings.Common_Search, activated: state.isSearching, updateActivated: { value in
            if !value {
                setDisplayNavigationBarImpl?(true)
            }
            updateState { state in
                var state = state
                state.isSearching = value
                return state
            }
            if value {
                setDisplayNavigationBarImpl?(false)
            }
        }, presentController: { c, a in
            dismissInputImpl?()
            presentControllerImpl?(c, a)
        }, pushController: { c in
            pushControllerImpl?(c)
        }, getNavigationController: getNavigationControllerImpl, exceptionsList: notifyExceptions.get(), archivedStickerPacks: archivedPacks.get(), privacySettings: privacySettings.get(), hasWallet: hasWallet)
        
        let (hasWallet, hasPassport, hasWatchApp, enableQRLogin) = hasWalletPassportAndWatch
        let listState = ItemListNodeState(presentationData: ItemListPresentationData(presentationData), entries: settingsEntries(account: context.account, presentationData: presentationData, state: state, view: view, proxySettings: proxySettings, notifyExceptions: preferencesAndExceptions.1, notificationsAuthorizationStatus: preferencesAndExceptions.2, notificationsWarningSuppressed: preferencesAndExceptions.3, unreadTrendingStickerPacks: unreadTrendingStickerPacks, archivedPacks: featuredAndArchived.1, privacySettings: preferencesAndExceptions.4, hasWallet: hasWallet, hasPassport: hasPassport, hasWatchApp: hasWatchApp, accountsAndPeers: accountsAndPeers.1, inAppNotificationSettings: inAppNotificationSettings, experimentalUISettings: experimentalUISettings, displayPhoneNumberConfirmation: preferencesAndExceptions.5, otherSessionCount: otherSessionCount, enableQRLogin: enableQRLogin), style: .blocks, searchItem: searchItem, initialScrollToItem: ListViewScrollToItem(index: 0, position: .top(-navigationBarSearchContentHeight), animated: false, curve: .Default(duration: 0.0), directionHint: .Up))
        
        return (controllerState, (listState, arguments))
    }
    |> afterDisposed {
        actionsDisposable.dispose()
    }
    
    let icon = UIImage(bundleImageName: "Chat List/Tabs/IconSettings")
    
    let notificationsFromAllAccounts = accountManager.sharedData(keys: [ApplicationSpecificSharedDataKeys.inAppNotificationSettings])
    |> map { sharedData -> Bool in
        let settings = sharedData.entries[ApplicationSpecificSharedDataKeys.inAppNotificationSettings] as? InAppNotificationSettings ?? InAppNotificationSettings.defaultSettings
        return settings.displayNotificationsFromAllAccounts
    }
    |> distinctUntilChanged
    
    let accountTabBarAvatarBadge: Signal<Int32, NoError> = combineLatest(notificationsFromAllAccounts, accountsAndPeers.get())
    |> map { notificationsFromAllAccounts, primaryAndOther -> Int32 in
        if !notificationsFromAllAccounts {
            return 0
        }
        let (primary, other) = primaryAndOther
        if let _ = primary, !other.isEmpty {
            return other.reduce(into: 0, { (result, next) in
                result += next.2
            })
        } else {
            return 0
        }
    }
    |> distinctUntilChanged
    
    let accountTabBarAvatar: Signal<(UIImage, UIImage)?, NoError> = combineLatest(accountsAndPeers.get(), updatedPresentationData)
    |> map { primaryAndOther, presentationData -> (Account, Peer, PresentationTheme)? in
        if let primary = primaryAndOther.0, !primaryAndOther.1.isEmpty {
            return (primary.0, primary.1, presentationData.theme)
        } else {
            return nil
        }
    }
    |> distinctUntilChanged(isEqual: { $0?.0 === $1?.0 && arePeersEqual($0?.1, $1?.1) && $0?.2 === $1?.2 })
    |> mapToSignal { primary -> Signal<(UIImage, UIImage)?, NoError> in
        if let primary = primary {
            let size = CGSize(width: 31.0, height: 31.0)
            let inset: CGFloat = 3.0
            if let signal = peerAvatarImage(account: primary.0, peer: primary.1, authorOfMessage: nil, representation: primary.1.profileImageRepresentations.first, displayDimensions: size, inset: 3.0, emptyColor: nil, synchronousLoad: false) {
                return signal
                |> map { image -> (UIImage, UIImage)? in
                    if let image = image, let selectedImage = generateImage(size, rotatedContext: { size, context in
                        context.clear(CGRect(origin: CGPoint(), size: size))
                        context.translateBy(x: size.width / 2.0, y: size.height / 2.0)
                        context.scaleBy(x: 1.0, y: -1.0)
                        context.translateBy(x: -size.width / 2.0, y: -size.height / 2.0)
                        context.draw(image.cgImage!, in: CGRect(x: 0.0, y: 0.0, width: size.width, height: size.height))
                        context.setLineWidth(1.0)
                        context.setStrokeColor(primary.2.rootController.tabBar.selectedIconColor.cgColor)
                        context.strokeEllipse(in: CGRect(x: 1.5, y: 1.5, width: 28.0, height: 28.0))
                    }) {
                        return (image.withRenderingMode(.alwaysOriginal), selectedImage.withRenderingMode(.alwaysOriginal))
                    } else {
                        return nil
                    }
                }
            } else {
                return Signal { subscriber in
                    let image = generateImage(size, rotatedContext: { size, context in
                        context.clear(CGRect(origin: CGPoint(), size: size))
                        context.translateBy(x: inset, y: inset)
                        drawPeerAvatarLetters(context: context, size: CGSize(width: size.width - inset * 2.0, height: size.height - inset * 2.0), font: avatarFont, letters: primary.1.displayLetters, accountPeerId: primary.1.id, peerId: primary.1.id)
                    })?.withRenderingMode(.alwaysOriginal)
                    
                    let selectedImage = generateImage(size, rotatedContext: { size, context in
                        context.clear(CGRect(origin: CGPoint(), size: size))
                        context.translateBy(x: inset, y: inset)
                        drawPeerAvatarLetters(context: context, size: CGSize(width: size.width - inset * 2.0, height: size.height - inset * 2.0), font: avatarFont, letters: primary.1.displayLetters, accountPeerId: primary.1.id, peerId: primary.1.id)
                        context.translateBy(x: -inset, y: -inset)
                        context.setLineWidth(1.0)
                        context.setStrokeColor(primary.2.rootController.tabBar.selectedIconColor.cgColor)
                        context.strokeEllipse(in: CGRect(x: 1.0, y: 1.0, width: 27.0, height: 27.0))
                    })?.withRenderingMode(.alwaysOriginal)
                    
                    subscriber.putNext(image.flatMap { ($0, $0) })
                    subscriber.putCompletion()
                    return EmptyDisposable
                }
                |> runOn(.concurrentDefaultQueue())
            }
        } else {
            return .single(nil)
        }
    }
    |> distinctUntilChanged(isEqual: { lhs, rhs in
        if let lhs = lhs, let rhs = rhs {
            if lhs.0 !== rhs.0 || lhs.1 !== rhs.1 {
                return false
            } else {
                return true
            }
        } else if (lhs == nil) != (rhs == nil) {
            return false
        }
        return true
    })
    
    let tabBarItem: Signal<ItemListControllerTabBarItem, NoError> = combineLatest(queue: .mainQueue(), updatedPresentationData, notificationsAuthorizationStatus.get(), notificationsWarningSuppressed.get(), accountTabBarAvatar, accountTabBarAvatarBadge)
    |> map { presentationData, notificationsAuthorizationStatus, notificationsWarningSuppressed, accountTabBarAvatar, accountTabBarAvatarBadge -> ItemListControllerTabBarItem in
        let notificationsWarning = shouldDisplayNotificationsPermissionWarning(status: notificationsAuthorizationStatus, suppressed:  notificationsWarningSuppressed)
        var otherAccountsBadge: String?
        if accountTabBarAvatarBadge > 0 {
            otherAccountsBadge = compactNumericCountString(Int(accountTabBarAvatarBadge), decimalSeparator: presentationData.dateTimeFormat.decimalSeparator)
        }
        return ItemListControllerTabBarItem(title: presentationData.strings.Settings_Title, image: accountTabBarAvatar?.0 ?? icon, selectedImage: accountTabBarAvatar?.1 ?? icon, tintImages: accountTabBarAvatar == nil, badgeValue: notificationsWarning ? "!" : otherAccountsBadge)
    }
    
    let controller = SettingsControllerImpl(currentContext: context, contextValue: contextValue, state: signal, tabBarItem: tabBarItem, accountsAndPeers: accountsAndPeers.get())
    pushControllerImpl = { [weak controller] value in
        (controller?.navigationController as? NavigationController)?.replaceAllButRootController(value, animated: true, animationOptions: [.removeOnMasterDetails])
    }
    presentControllerImpl = { [weak controller] value, arguments in
        controller?.present(value, in: .window(.root), with: arguments, blockInteraction: true)
    }
    presentInGlobalOverlayImpl = { [weak controller] value, arguments in
        controller?.presentInGlobalOverlay(value, with: arguments)
    }
    dismissInputImpl = { [weak controller] in
        controller?.view.window?.endEditing(true)
    }
    getNavigationControllerImpl = { [weak controller] in
        return (controller?.navigationController as? NavigationController)
    }
    avatarGalleryTransitionArguments = { [weak controller] entry in
        if let controller = controller {
            var result: ((ASDisplayNode, () -> (UIView?, UIView?)), CGRect)?
            controller.forEachItemNode { itemNode in
                if let itemNode = itemNode as? ItemListAvatarAndNameInfoItemNode {
                    result = itemNode.avatarTransitionNode()
                }
            }
            if let (node, _) = result {
                return GalleryTransitionArguments(transitionNode: node, addToTransitionSurface: { _ in
                })
            }
        }
        return nil
    }
    updateHiddenAvatarImpl = { [weak controller] in
        if let controller = controller {
            controller.forEachItemNode { itemNode in
                if let itemNode = itemNode as? ItemListAvatarAndNameInfoItemNode {
                    itemNode.updateAvatarHidden()
                }
            }
        }
    }
    openSavedMessagesImpl = { [weak controller] in
        let _ = (contextValue.get()
        |> take(1)
        |> deliverOnMainQueue).start(next: { context in
            if let controller = controller, let navigationController = controller.navigationController as? NavigationController {
                context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: navigationController, context: context, chatLocation: .peer(context.account.peerId)))
            }
        })
    }
    controller.tabBarItemDebugTapAction = {
        let _ = (contextValue.get()
        |> take(1)
        |> deliverOnMainQueue).start(next: { accountContext in
            pushControllerImpl?(debugController(sharedContext: accountContext.sharedContext, context: accountContext))
        })
    }
    
    displayCopyContextMenuImpl = { [weak controller] peer in
        let _ = (contextValue.get()
        |> take(1)
        |> deliverOnMainQueue).start(next: { context in
            if let strongController = controller {
                let presentationData = context.sharedContext.currentPresentationData.with { $0 }
                var resultItemNode: ListViewItemNode?
                let _ = strongController.frameForItemNode({ itemNode in
                    if let itemNode = itemNode as? ItemListAvatarAndNameInfoItemNode {
                        resultItemNode = itemNode
                        return true
                    }
                    return false
                })
                if let resultItemNode = resultItemNode, let user = peer as? TelegramUser {
                    var actions: [ContextMenuAction] = []
                    
                    if let phone = user.phone, !phone.isEmpty {
                        actions.append(ContextMenuAction(content: .text(title: presentationData.strings.Settings_CopyPhoneNumber, accessibilityLabel: presentationData.strings.Settings_CopyPhoneNumber), action: {
                            UIPasteboard.general.string = formatPhoneNumber(phone)
                        }))
                    }
                    
                    if let username = user.username, !username.isEmpty {
                        actions.append(ContextMenuAction(content: .text(title: presentationData.strings.Settings_CopyUsername, accessibilityLabel: presentationData.strings.Settings_CopyUsername), action: {
                            UIPasteboard.general.string = username
                        }))
                    }
                    
                    let contextMenuController = ContextMenuController(actions: actions)
                    strongController.present(contextMenuController, in: .window(.root), with: ContextMenuControllerPresentationArguments(sourceNodeAndRect: { [weak resultItemNode] in
                        if let strongController = controller, let resultItemNode = resultItemNode {
                            return (resultItemNode, resultItemNode.contentBounds.insetBy(dx: 0.0, dy: -2.0), strongController.displayNode, strongController.view.bounds)
                        } else {
                            return nil
                        }
                    }))
                }
            }
        })
    }
    removeAccountImpl = { id in
        let _ = (contextValue.get()
        |> deliverOnMainQueue
        |> take(1)).start(next: { context in
            let presentationData = context.sharedContext.currentPresentationData.with { $0 }
            let controller = ActionSheetController(presentationData: presentationData)
            let dismissAction: () -> Void = { [weak controller] in
                controller?.dismissAnimated()
            }
            
            var items: [ActionSheetItem] = []
            items.append(ActionSheetTextItem(title: presentationData.strings.Settings_LogoutConfirmationText.trimmingCharacters(in: .whitespacesAndNewlines)))
            items.append(ActionSheetButtonItem(title: presentationData.strings.Settings_Logout, color: .destructive, action: {
                dismissAction()
                let _ = logoutFromAccount(id: id, accountManager: context.sharedContext.accountManager, alreadyLoggedOutRemotely: false).start()
            }))
            controller.setItemGroups([
                ActionSheetItemGroup(items: items),
                ActionSheetItemGroup(items: [ActionSheetButtonItem(title: presentationData.strings.Common_Cancel, action: { dismissAction() })])
                ])
            presentControllerImpl?(controller, ViewControllerPresentationArguments(presentationAnimation: .modalSheet))
        })
    }
    switchToAccountImpl = { id in
        let _ = (contextValue.get()
        |> take(1)
        |> deliverOnMainQueue).start(next: { context in
            accountsAndPeers.set(.never())
            context.sharedContext.switchToAccount(id: id, fromSettingsController: nil, withChatListController: nil)
        })
    }
    controller.didAppear = { _ in
        updatePassport()
        updateNotifyExceptions()
    }
    controller.previewItemWithTag = { tag in
        if let tag = tag as? SettingsEntryTag, case let .account(id) = tag {
            var selectedAccount: Account?
            let _ = (accountsAndPeers.get()
            |> take(1)
            |> deliverOnMainQueue).start(next: { accountsAndPeers in
                for (account, _, _) in accountsAndPeers.1 {
                    if account.id == id {
                        selectedAccount = account
                        break
                    }
                }
            })
            var sharedContext: SharedAccountContext?
            let _ = (contextValue.get()
            |> deliverOnMainQueue
            |> take(1)).start(next: { context in
                sharedContext = context.sharedContext
            })
            if let selectedAccount = selectedAccount, let sharedContext = sharedContext {
                let accountContext = sharedContext.makeTempAccountContext(account: selectedAccount)
                let chatListController = accountContext.sharedContext.makeChatListController(context: accountContext, groupId: .root, controlsHistoryPreload: false, hideNetworkActivityStatus: true, previewing: true, enableDebugActions: enableDebugActions)
                return chatListController
            }
        }
        return nil
    }
    controller.commitPreview = { previewController in
        if let chatListController = previewController as? ChatListController {
            let _ = (contextValue.get()
            |> deliverOnMainQueue
            |> take(1)).start(next: { context in
                context.sharedContext.switchToAccount(id: chatListController.context.account.id, fromSettingsController: nil, withChatListController: chatListController)
            })
        }
    }
    controller.switchToAccount = { id in
        let _ = (contextValue.get()
        |> take(1)
        |> deliverOnMainQueue).start(next: { context in
            context.sharedContext.switchToAccount(id: id, fromSettingsController: nil, withChatListController: nil)
        })
    }
    controller.addAccount = {
        let _ = (contextValue.get()
        |> take(1)
        |> deliverOnMainQueue).start(next: { context in
            context.sharedContext.beginNewAuth(testingEnvironment: false)
        })
    }
    
    controller.contentOffsetChanged = { [weak controller] offset, inVoiceOver in
        if let controller = controller, let navigationBar = controller.navigationBar, let searchContentNode = navigationBar.contentNode as? NavigationBarSearchContentNode {
            var offset = offset
            if inVoiceOver {
                offset = .known(0.0)
            }
            searchContentNode.updateListVisibleContentOffset(offset)
        }
    }
    
    controller.contentScrollingEnded = { [weak controller] listNode in
        if let controller = controller, let navigationBar = controller.navigationBar, let searchContentNode = navigationBar.contentNode as? NavigationBarSearchContentNode {
            return fixNavigationSearchableListNodeScrolling(listNode, searchNode: searchContentNode)
        }
        return false
    }
    
    controller.willScrollToTop = { [weak controller] in
         if let controller = controller, let navigationBar = controller.navigationBar, let searchContentNode = navigationBar.contentNode as? NavigationBarSearchContentNode {
            searchContentNode.updateExpansionProgress(1.0, animated: true)
        }
    }
    
    controller.didDisappear = { [weak controller] _ in
        controller?.clearItemNodesHighlight(animated: true)
        setDisplayNavigationBarImpl?(true)
        updateState { state in
            var state = state
            state.isSearching = false
            return state
        }
    }

    setDisplayNavigationBarImpl = { [weak controller] display in
        controller?.setDisplayNavigationBar(display, transition: .animated(duration: 0.5, curve: .spring))
    }
    return controller
}

private func accountContextMenuItems(context: AccountContext, logout: @escaping () -> Void) -> Signal<[ContextMenuItem], NoError> {
    let strings = context.sharedContext.currentPresentationData.with({ $0 }).strings
    return context.account.postbox.transaction { transaction -> [ContextMenuItem] in
        var items: [ContextMenuItem] = []
        
        if !transaction.getUnreadChatListPeerIds(groupId: .root).isEmpty {
            items.append(.action(ContextMenuActionItem(text: strings.ChatList_Context_MarkAllAsRead, icon: { theme in generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/MarkAsRead"), color: theme.contextMenu.primaryColor) }, action: { _, f in
                let _ = (context.account.postbox.transaction { transaction in
                    markAllChatsAsReadInteractively(transaction: transaction, viewTracker: context.account.viewTracker, groupId: .root)
                }
                |> deliverOnMainQueue).start(completed: {
                    f(.default)
                })
            })))
        }
        
        items.append(.action(ContextMenuActionItem(text: strings.Settings_Context_Logout, textColor: .destructive, icon: { theme in generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Logout"), color: theme.contextMenu.destructiveColor) }, action: { _, f in
            logout()
            f(.default)
        })))
        
        return items
    }
}