Swiftgram/submodules/ChatListUI/Sources/Node/ChatListStorageInfoItem.swift

import Foundation
import UIKit
import AsyncDisplayKit
import Display
import SwiftSignalKit
import TelegramCore
import TelegramPresentationData
import ListSectionHeaderNode
import AppBundle
import ItemListUI
import Markdown
import AccountContext
import MergedAvatarsNode

class ChatListStorageInfoItem: ListViewItem {
    enum Action {
        case activate
        case hide
        case buttonChoice(isPositive: Bool)
    }
    
    let context: AccountContext
    let theme: PresentationTheme
    let strings: PresentationStrings
    let notice: ChatListNotice
    let action: (Action) -> Void
    
    let selectable: Bool = true
    
    init(context: AccountContext, theme: PresentationTheme, strings: PresentationStrings, notice: ChatListNotice, action: @escaping (Action) -> Void) {
        self.context = context
        self.theme = theme
        self.strings = strings
        self.notice = notice
        self.action = action
    }
    
    func selected(listView: ListView) {
        listView.clearHighlightAnimated(true)
        
        self.action(.activate)
    }
    
    func nodeConfiguredForParams(async: @escaping (@escaping () -> Void) -> Void, params: ListViewItemLayoutParams, synchronousLoads: Bool, previousItem: ListViewItem?, nextItem: ListViewItem?, completion: @escaping (ListViewItemNode, @escaping () -> (Signal<Void, NoError>?, (ListViewItemApply) -> Void)) -> Void) {
        async {
            let node = ChatListStorageInfoItemNode()
            
            let (nodeLayout, apply) = node.asyncLayout()(self, params, false)
            
            node.insets = nodeLayout.insets
            node.contentSize = nodeLayout.contentSize
            
            Queue.mainQueue().async {
                completion(node, {
                    return (nil, { _ in
                        apply()
                    })
                })
            }
        }
    }
    
    func updateNode(async: @escaping (@escaping () -> Void) -> Void, node: @escaping () -> ListViewItemNode, params: ListViewItemLayoutParams, previousItem: ListViewItem?, nextItem: ListViewItem?, animation: ListViewItemUpdateAnimation, completion: @escaping (ListViewItemNodeLayout, @escaping (ListViewItemApply) -> Void) -> Void) {
        Queue.mainQueue().async {
            assert(node() is ChatListStorageInfoItemNode)
            if let nodeValue = node() as? ChatListStorageInfoItemNode {
                
                let layout = nodeValue.asyncLayout()
                async {
                    let (nodeLayout, apply) = layout(self, params, nextItem == nil)
                    Queue.mainQueue().async {
                        completion(nodeLayout, { _ in
                            apply()
                        })
                    }
                }
            }
        }
    }
}

private let separatorHeight = 1.0 / UIScreen.main.scale

private let titleFont = Font.semibold(15.0)
private let textFont = Font.regular(15.0)

class ChatListStorageInfoItemNode: ItemListRevealOptionsItemNode {
    private let contentContainer: ASDisplayNode
    private let titleNode: TextNode
    private let textNode: TextNode
    private let arrowNode: ASImageNode
    private let separatorNode: ASDisplayNode
    
    private var avatarsNode: MergedAvatarsNode?
    
    private var closeButton: HighlightableButtonNode?
    
    private var okButtonText: TextNode?
    private var cancelButtonText: TextNode?
    private var okButton: HighlightableButtonNode?
    private var cancelButton: HighlightableButtonNode?
    
    private var item: ChatListStorageInfoItem?
    
    override var apparentHeight: CGFloat {
        didSet {
            self.contentContainer.frame = CGRect(origin: CGPoint(), size: CGSize(width: self.bounds.width, height: self.apparentHeight))
            self.separatorNode.frame = CGRect(origin: CGPoint(x: 0.0, y: self.contentContainer.bounds.height - UIScreenPixel), size: CGSize(width: self.contentContainer.bounds.width, height: UIScreenPixel))
        }
    }
    
    required init() {
        self.contentContainer = ASDisplayNode()
        
        self.titleNode = TextNode()
        self.textNode = TextNode()
        self.arrowNode = ASImageNode()
        self.separatorNode = ASDisplayNode()
        
        super.init(layerBacked: false, dynamicBounce: false, rotated: false, seeThrough: false)
        
        self.contentContainer.clipsToBounds = true
        self.clipsToBounds = true
        
        self.contentContainer.addSubnode(self.titleNode)
        self.contentContainer.addSubnode(self.textNode)
        self.contentContainer.addSubnode(self.arrowNode)
        
        self.addSubnode(self.contentContainer)
        self.addSubnode(self.separatorNode)
        
        self.zPosition = 1.0
    }
    
    override func didLoad() {
        super.didLoad()
    }
    
    @objc private func closePressed() {
        guard let item = self.item else {
            return
        }
        item.action(.hide)
    }
    
    override func layoutForParams(_ params: ListViewItemLayoutParams, item: ListViewItem, previousItem: ListViewItem?, nextItem: ListViewItem?) {
        let layout = self.asyncLayout()
        let (_, apply) = layout(item as! ChatListStorageInfoItem, params, nextItem == nil)
        apply()
    }
    
    func asyncLayout() -> (_ item: ChatListStorageInfoItem, _ params: ListViewItemLayoutParams, _ isLast: Bool) -> (ListViewItemNodeLayout, () -> Void) {
        let previousItem = self.item
        
        let makeTitleLayout = TextNode.asyncLayout(self.titleNode)
        let makeTextLayout = TextNode.asyncLayout(self.textNode)
        
        let makeOkButtonTextLayout = TextNode.asyncLayout(self.okButtonText)
        let makeCancelButtonTextLayout = TextNode.asyncLayout(self.cancelButtonText)
        
        return { item, params, last in
            let baseWidth = params.width - params.leftInset - params.rightInset
            let _ = baseWidth
            
            let sideInset: CGFloat = params.leftInset + 16.0
            let rightInset: CGFloat = sideInset + 24.0
            let verticalInset: CGFloat = 9.0
            var spacing: CGFloat = 0.0
            
            let themeUpdated = item.theme !== previousItem?.theme
            
            let titleString: NSAttributedString
            let textString: NSAttributedString
            var avatarPeers: [EnginePeer] = []
            
            var okButtonLayout: (TextNodeLayout, () -> TextNode)?
            var cancelButtonLayout: (TextNodeLayout, () -> TextNode)?
            var alignment: NSTextAlignment = .left
            
            switch item.notice {
            case let .clearStorage(sizeFraction):
                let sizeString = dataSizeString(Int64(sizeFraction), formatting: DataSizeStringFormatting(strings: item.strings, decimalSeparator: "."))
                let rawTitleString = item.strings.ChatList_StorageHintTitle(sizeString)
                let titleStringValue = NSMutableAttributedString(attributedString: NSAttributedString(string: rawTitleString.string, font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor))
                if let range = rawTitleString.ranges.first {
                    titleStringValue.addAttribute(.foregroundColor, value: item.theme.rootController.navigationBar.accentTextColor, range: range.range)
                }
                titleString = titleStringValue
                
                textString = NSAttributedString(string: item.strings.ChatList_StorageHintText, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
            case .setupPassword:
                titleString = NSAttributedString(string: item.strings.Settings_SuggestSetupPasswordTitle, font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor)
                textString = NSAttributedString(string: item.strings.Settings_SuggestSetupPasswordText, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
            case let .premiumUpgrade(discount):
                let discountString = "\(discount)%"
                let rawTitleString = item.strings.ChatList_PremiumAnnualUpgradeTitle(discountString)
                let titleStringValue = NSMutableAttributedString(attributedString: NSAttributedString(string: rawTitleString.string, font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor))
                if let range = rawTitleString.ranges.first {
                    titleStringValue.addAttribute(.foregroundColor, value: item.theme.rootController.navigationBar.accentTextColor, range: range.range)
                }
                titleString = titleStringValue
                
                textString = NSAttributedString(string: item.strings.ChatList_PremiumAnnualUpgradeText, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
            case let .premiumAnnualDiscount(discount):
                let discountString = "\(discount)%"
                let rawTitleString = item.strings.ChatList_PremiumAnnualDiscountTitle(discountString)
                let titleStringValue = NSMutableAttributedString(attributedString: NSAttributedString(string: rawTitleString.string, font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor))
                if let range = rawTitleString.ranges.first {
                    titleStringValue.addAttribute(.foregroundColor, value: item.theme.rootController.navigationBar.accentTextColor, range: range.range)
                }
                titleString = titleStringValue
                
                textString = NSAttributedString(string: item.strings.ChatList_PremiumAnnualDiscountText, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
            case let .premiumRestore(discount):
                let discountString = "\(discount)%"
                let rawTitleString = item.strings.ChatList_PremiumRestoreDiscountTitle(discountString)
                let titleStringValue = NSMutableAttributedString(attributedString: NSAttributedString(string: rawTitleString.string, font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor))
                if let range = rawTitleString.ranges.first {
                    titleStringValue.addAttribute(.foregroundColor, value: item.theme.rootController.navigationBar.accentTextColor, range: range.range)
                }
                titleString = titleStringValue
                
                textString = NSAttributedString(string: item.strings.ChatList_PremiumRestoreDiscountText, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
            case .xmasPremiumGift:
                titleString = parseMarkdownIntoAttributedString(item.strings.ChatList_PremiumXmasGiftTitle, attributes: MarkdownAttributes(body: MarkdownAttributeSet(font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor), bold: MarkdownAttributeSet(font: titleFont, textColor: item.theme.rootController.navigationBar.accentTextColor), link: MarkdownAttributeSet(font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor), linkAttribute: { _ in return nil }))
                textString = NSAttributedString(string: item.strings.ChatList_PremiumXmasGiftText, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
            case .setupBirthday:
                //TODO:localize
                titleString = NSAttributedString(string: "Add your birthday! 🎂", font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor)
                textString = NSAttributedString(string: "Let your contacts know when you're celebrating.", font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
            case let .birthdayPremiumGift(peers):
                //TODO:localize
                let title: String
                let text: String
                if peers.count == 1, let peer = peers.first {
                    title = "It's \(peer.compactDisplayTitle)'s **birthday** today! 🎂"
                    text = "Gift them Telegram Premium."
                } else {
                    title = "\(peers.count) contacts have **birthdays** today! 🎂"
                    text = "Gift them Telegram Premium."
                }
                titleString = parseMarkdownIntoAttributedString(title, attributes: MarkdownAttributes(body: MarkdownAttributeSet(font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor), bold: MarkdownAttributeSet(font: titleFont, textColor: item.theme.rootController.navigationBar.accentTextColor), link: MarkdownAttributeSet(font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor), linkAttribute: { _ in return nil }))
                textString = NSAttributedString(string: text, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
                avatarPeers = Array(peers.prefix(3))
            case let .reviewLogin(newSessionReview, totalCount):
                spacing = 2.0
                alignment = .center
                
                var rawTitleString = item.strings.ChatList_SessionReview_PanelTitle
                if totalCount > 1 {
                    rawTitleString = "1/\(totalCount) \(rawTitleString)"
                }
                let titleStringValue = NSMutableAttributedString(attributedString: NSAttributedString(string: rawTitleString, font: titleFont, textColor: item.theme.rootController.navigationBar.primaryTextColor))
                titleString = titleStringValue
                
                textString = NSAttributedString(string: item.strings.ChatList_SessionReview_PanelText(newSessionReview.device, newSessionReview.location).string, font: textFont, textColor: item.theme.rootController.navigationBar.secondaryTextColor)
                
                okButtonLayout = makeOkButtonTextLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: item.strings.ChatList_SessionReview_PanelConfirm, font: titleFont, textColor: item.theme.list.itemAccentColor), maximumNumberOfLines: 1, truncationType: .end, constrainedSize: CGSize(width: params.width - sideInset - rightInset, height: 100.0)))
                cancelButtonLayout = makeCancelButtonTextLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: item.strings.ChatList_SessionReview_PanelReject, font: titleFont, textColor: item.theme.list.itemDestructiveColor), maximumNumberOfLines: 1, truncationType: .end, constrainedSize: CGSize(width: params.width - sideInset - rightInset, height: 100.0)))
            }
            
            var leftInset: CGFloat = sideInset
            if !avatarPeers.isEmpty {
                let avatarsWidth = 30.0 + CGFloat(avatarPeers.count - 1) * 16.0
                leftInset += avatarsWidth + 4.0
            }
            
            let titleLayout = makeTitleLayout(TextNodeLayoutArguments(attributedString: titleString, maximumNumberOfLines: 1, truncationType: .end, constrainedSize: CGSize(width: params.width - leftInset - rightInset, height: 100.0), alignment: alignment, lineSpacing: 0.18))
            
            let textLayout = makeTextLayout(TextNodeLayoutArguments(attributedString: textString, maximumNumberOfLines: 10, truncationType: .end, constrainedSize: CGSize(width: params.width - leftInset - rightInset, height: 100.0), alignment: alignment, lineSpacing: 0.18))
            
            var contentSize = CGSize(width: params.width, height: verticalInset * 2.0 + titleLayout.0.size.height + textLayout.0.size.height)
            if let okButtonLayout {
                contentSize.height += okButtonLayout.0.size.height + 20.0
            }
            
            let layout = ListViewItemNodeLayout(contentSize: contentSize, insets: UIEdgeInsets())
            
            return (layout, { [weak self] in
                if let strongSelf = self {
                    strongSelf.item = item
                    
                    if themeUpdated {
                        strongSelf.contentContainer.backgroundColor = item.theme.chatList.pinnedItemBackgroundColor
                        strongSelf.separatorNode.backgroundColor = item.theme.chatList.itemSeparatorColor
                        strongSelf.arrowNode.image = PresentationResourcesItemList.disclosureArrowImage(item.theme)
                    }
                    
                    let _ = titleLayout.1()
                    if case .center = alignment {
                        strongSelf.titleNode.frame = CGRect(origin: CGPoint(x: floor((params.width - titleLayout.0.size.width) * 0.5), y: verticalInset), size: titleLayout.0.size)
                    } else {
                        strongSelf.titleNode.frame = CGRect(origin: CGPoint(x: leftInset, y: verticalInset), size: titleLayout.0.size)
                    }
                    
                    let _ = textLayout.1()
                    
                    if case .center = alignment {
                        strongSelf.textNode.frame = CGRect(origin: CGPoint(x: floor((params.width - textLayout.0.size.width) * 0.5), y: strongSelf.titleNode.frame.maxY + spacing), size: textLayout.0.size)
                    } else {
                        strongSelf.textNode.frame = CGRect(origin: CGPoint(x: leftInset, y: strongSelf.titleNode.frame.maxY + spacing), size: textLayout.0.size)
                    }
                    
                    if !avatarPeers.isEmpty {
                        let avatarsNode: MergedAvatarsNode
                        if let current = strongSelf.avatarsNode {
                            avatarsNode = current
                        } else {
                            avatarsNode = MergedAvatarsNode()
                            strongSelf.addSubnode(avatarsNode)
                            strongSelf.avatarsNode = avatarsNode
                        }
                        let avatarSize = CGSize(width: 30.0, height: 30.0)
                        avatarsNode.update(context: item.context, peers: avatarPeers.map { $0._asPeer() }, synchronousLoad: false, imageSize: avatarSize.width, imageSpacing: 16.0, borderWidth: 2.0 - UIScreenPixel, avatarFontSize: 10.0)
                        let avatarsSize = CGSize(width: avatarSize.width + 16.0 * CGFloat(avatarPeers.count - 1), height: avatarSize.height)
                        avatarsNode.updateLayout(size: avatarsSize)
                        avatarsNode.frame = CGRect(origin: CGPoint(x: sideInset - 6.0, y: floor((layout.size.height - avatarsSize.height) / 2.0)), size: avatarsSize)
                    } else if let avatarsNode = strongSelf.avatarsNode {
                        avatarsNode.removeFromSupernode()
                        strongSelf.avatarsNode = nil
                    }
                    
                    if let image = strongSelf.arrowNode.image {
                        strongSelf.arrowNode.frame = CGRect(origin: CGPoint(x: layout.size.width - sideInset - image.size.width + 8.0, y: floor((layout.size.height - image.size.height) / 2.0)), size: image.size)
                    }
                                        
                    if let okButtonLayout, let cancelButtonLayout {
                        strongSelf.arrowNode.isHidden = true
                        
                        let okButton: HighlightableButtonNode
                        if let current = strongSelf.okButton {
                            okButton = current
                        } else {
                            okButton = HighlightableButtonNode()
                            strongSelf.okButton = okButton
                            strongSelf.contentContainer.addSubnode(okButton)
                            okButton.addTarget(strongSelf, action: #selector(strongSelf.okButtonPressed), forControlEvents: .touchUpInside)
                        }
                        
                        let cancelButton: HighlightableButtonNode
                        if let current = strongSelf.cancelButton {
                            cancelButton = current
                        } else {
                            cancelButton = HighlightableButtonNode()
                            strongSelf.cancelButton = cancelButton
                            strongSelf.contentContainer.addSubnode(cancelButton)
                            cancelButton.addTarget(strongSelf, action: #selector(strongSelf.cancelButtonPressed), forControlEvents: .touchUpInside)
                        }
                        
                        let okButtonText = okButtonLayout.1()
                        if okButtonText !== strongSelf.okButtonText {
                            strongSelf.okButtonText?.removeFromSupernode()
                            strongSelf.okButtonText = okButtonText
                            okButton.addSubnode(okButtonText)
                        }
                        
                        let cancelButtonText = cancelButtonLayout.1()
                        if cancelButtonText !== strongSelf.okButtonText {
                            strongSelf.cancelButtonText?.removeFromSupernode()
                            strongSelf.cancelButtonText = cancelButtonText
                            cancelButton.addSubnode(cancelButtonText)
                        }
                        
                        let buttonsWidth: CGFloat = max(min(300.0, params.width), okButtonLayout.0.size.width + cancelButtonLayout.0.size.width + 32.0)
                        let buttonWidth: CGFloat = floor(buttonsWidth * 0.5)
                        let buttonHeight: CGFloat = 32.0
                        
                        let okButtonFrame = CGRect(origin: CGPoint(x: floor((params.width - buttonsWidth) * 0.5), y: strongSelf.textNode.frame.maxY + 6.0), size: CGSize(width: buttonWidth, height: buttonHeight))
                        let cancelButtonFrame = CGRect(origin: CGPoint(x: okButtonFrame.maxX, y: strongSelf.textNode.frame.maxY + 6.0), size: CGSize(width: buttonWidth, height: buttonHeight))
                        
                        okButton.frame = okButtonFrame
                        cancelButton.frame = cancelButtonFrame
                        
                        okButtonText.frame = CGRect(origin: CGPoint(x: floor((okButtonFrame.width - okButtonLayout.0.size.width) * 0.5), y: floor((okButtonFrame.height - okButtonLayout.0.size.height) * 0.5)), size: okButtonLayout.0.size)
                        cancelButtonText.frame = CGRect(origin: CGPoint(x: floor((cancelButtonFrame.width - cancelButtonLayout.0.size.width) * 0.5), y: floor((cancelButtonFrame.height - cancelButtonLayout.0.size.height) * 0.5)), size: cancelButtonLayout.0.size)
                    } else {
                        strongSelf.arrowNode.isHidden = false
                        
                        if let okButton = strongSelf.okButton {
                            strongSelf.okButton = nil
                            okButton.removeFromSupernode()
                        }
                        if let cancelButton = strongSelf.cancelButton {
                            strongSelf.cancelButton = nil
                            cancelButton.removeFromSupernode()
                        }
                        if let okButtonText = strongSelf.okButtonText {
                            strongSelf.okButtonText = nil
                            okButtonText.removeFromSupernode()
                        }
                        if let cancelButtonText = strongSelf.cancelButtonText {
                            strongSelf.cancelButtonText = nil
                            cancelButtonText.removeFromSupernode()
                        }
                    }
                    
                    let arrowIsHidden = strongSelf.arrowNode.isHidden
                    if case .xmasPremiumGift = item.notice {
                        strongSelf.arrowNode.isHidden = true
                        
                        let closeButton: HighlightableButtonNode
                        if let current = strongSelf.closeButton {
                            closeButton = current
                        } else {
                            closeButton = HighlightableButtonNode()
                            closeButton.hitTestSlop = UIEdgeInsets(top: -8.0, left: -8.0, bottom: -8.0, right: -8.0)
                            closeButton.addTarget(self, action: #selector(strongSelf.closePressed), forControlEvents: [.touchUpInside])
                            strongSelf.contentContainer.addSubnode(closeButton)
                            strongSelf.closeButton = closeButton
                        }
                        
                        if themeUpdated {
                            closeButton.setImage(PresentationResourcesItemList.itemListCloseIconImage(item.theme), for: .normal)
                        }
                        
                        let closeButtonSize = closeButton.measure(CGSize(width: 100.0, height: 100.0))
                        closeButton.frame = CGRect(origin: CGPoint(x: layout.size.width - sideInset - closeButtonSize.width, y: floor((layout.size.height - closeButtonSize.height) / 2.0)), size: closeButtonSize)
                    } else {
                        strongSelf.arrowNode.isHidden = arrowIsHidden
                    }
                    
                    strongSelf.contentSize = layout.contentSize
                    strongSelf.insets = layout.insets
                    
                    strongSelf.updateLayout(size: layout.contentSize, leftInset: params.leftInset, rightInset: params.rightInset)
                    
                    //strongSelf.contentContainer.frame = CGRect(origin: CGPoint(), size: layout.contentSize)
                    
                    switch item.notice {
                    default:
                        strongSelf.setRevealOptions((left: [], right: []))
                    }
                }
            })
        }
    }
    
    @objc private func okButtonPressed() {
        self.item?.action(.buttonChoice(isPositive: true))
    }
    
    @objc private func cancelButtonPressed() {
        self.item?.action(.buttonChoice(isPositive: false))
    }
    
    override public func animateInsertion(_ currentTimestamp: Double, duration: Double, short: Bool) {
        super.animateInsertion(currentTimestamp, duration: duration, short: short)
        
        //self.transitionOffset = self.bounds.size.height
        //self.addTransitionOffsetAnimation(0.0, duration: duration, beginAt: currentTimestamp)
    }
    
    override public func updateRevealOffset(offset: CGFloat, transition: ContainedViewLayoutTransition) {
        super.updateRevealOffset(offset: offset, transition: transition)
        
        transition.updateSublayerTransformOffset(layer: self.contentContainer.layer, offset: CGPoint(x: offset, y: 0.0))
    }
    
    override public func revealOptionSelected(_ option: ItemListRevealOption, animated: Bool) {
        if let item = self.item {
            item.action(.hide)
        }
        
        self.setRevealOptionsOpened(false, animated: true)
        self.revealOptionsInteractivelyClosed()
    }
}