import Foundation
import UIKit
import Display
import TelegramPresentationData
import ListSectionHeaderNode

public enum ChatListSearchItemHeaderType: Int32 {
    case localPeers
    case members
    case contacts
    case bots
    case admins
    case globalPeers
    case deviceContacts
    case recentPeers
    case messages
    case phoneNumber
    case exceptions
    case addToExceptions
    case mapAddress
    case nearbyVenues
    case chats
    case chatTypes
}

public final class ChatListSearchItemHeader: ListViewItemHeader {
    public let id: Int64
    public let type: ChatListSearchItemHeaderType
    public let stickDirection: ListViewItemHeaderStickDirection = .top
    public let theme: PresentationTheme
    public let strings: PresentationStrings
    public let actionTitle: String?
    public let action: (() -> Void)?
    
    public let height: CGFloat = 28.0
    
    public init(type: ChatListSearchItemHeaderType, theme: PresentationTheme, strings: PresentationStrings, actionTitle: String? = nil, action: (() -> Void)? = nil) {
        self.type = type
        self.id = Int64(self.type.rawValue)
        self.theme = theme
        self.strings = strings
        self.actionTitle = actionTitle
        self.action = action
    }
    
    public func node() -> ListViewItemHeaderNode {
        return ChatListSearchItemHeaderNode(type: self.type, theme: self.theme, strings: self.strings, actionTitle: self.actionTitle, action: self.action)
    }
    
    public func updateNode(_ node: ListViewItemHeaderNode, previous: ListViewItemHeader?, next: ListViewItemHeader?) {
        (node as? ChatListSearchItemHeaderNode)?.update(type: self.type, actionTitle: self.actionTitle, action: self.action)
    }
}

public final class ChatListSearchItemHeaderNode: ListViewItemHeaderNode {
    private var type: ChatListSearchItemHeaderType
    private var theme: PresentationTheme
    private var strings: PresentationStrings
    private var actionTitle: String?
    private var action: (() -> Void)?
    
    private var validLayout: (size: CGSize, leftInset: CGFloat, rightInset: CGFloat)?
    
    private let sectionHeaderNode: ListSectionHeaderNode
    
    public init(type: ChatListSearchItemHeaderType, theme: PresentationTheme, strings: PresentationStrings, actionTitle: String?, action: (() -> Void)?) {
        self.type = type
        self.theme = theme
        self.strings = strings
        self.actionTitle = actionTitle
        self.action = action
        
        self.sectionHeaderNode = ListSectionHeaderNode(theme: theme)
        
        super.init()
        
        switch type {
        case .localPeers:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionDialogs.uppercased()
        case .members:
            self.sectionHeaderNode.title = strings.Channel_Info_Members.uppercased()
        case .contacts:
            self.sectionHeaderNode.title = strings.Contacts_TopSection.uppercased()
        case .bots:
            self.sectionHeaderNode.title = strings.MemberSearch_BotSection.uppercased()
        case .admins:
            self.sectionHeaderNode.title = strings.Channel_Management_Title.uppercased()
        case .globalPeers:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionGlobal.uppercased()
        case .deviceContacts:
            self.sectionHeaderNode.title = strings.Contacts_NotRegisteredSection.uppercased()
        case .messages:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionMessages.uppercased()
        case .recentPeers:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionRecent.uppercased()
        case .phoneNumber:
            self.sectionHeaderNode.title = strings.Contacts_PhoneNumber.uppercased()
        case .exceptions:
            self.sectionHeaderNode.title = strings.GroupInfo_Permissions_Exceptions.uppercased()
        case .addToExceptions:
            self.sectionHeaderNode.title = strings.Exceptions_AddToExceptions.uppercased()
        case .mapAddress:
            self.sectionHeaderNode.title = strings.Map_AddressOnMap.uppercased()
        case .nearbyVenues:
            self.sectionHeaderNode.title = strings.Map_PlacesNearby.uppercased()
        case .chats:
            self.sectionHeaderNode.title = strings.Cache_ByPeerHeader.uppercased()
        case .chatTypes:
            self.sectionHeaderNode.title = strings.ChatList_ChatTypesSection.uppercased()
        }
        
        self.sectionHeaderNode.action = actionTitle
        self.sectionHeaderNode.activateAction = action
        
        self.addSubnode(self.sectionHeaderNode)
    }
    
    public func updateTheme(theme: PresentationTheme) {
        self.theme = theme
        self.sectionHeaderNode.updateTheme(theme: theme)
    }
    
    public func update(type: ChatListSearchItemHeaderType, actionTitle: String?, action: (() -> Void)?) {
        self.actionTitle = actionTitle
        self.action = action
        
        switch type {
        case .localPeers:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionDialogs.uppercased()
        case .members:
            self.sectionHeaderNode.title = strings.Channel_Info_Members.uppercased()
        case .contacts:
            self.sectionHeaderNode.title = strings.Contacts_TopSection.uppercased()
        case .bots:
            self.sectionHeaderNode.title = strings.MemberSearch_BotSection.uppercased()
        case .admins:
            self.sectionHeaderNode.title = strings.Channel_Management_Title.uppercased()
        case .globalPeers:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionGlobal.uppercased()
        case .deviceContacts:
            self.sectionHeaderNode.title = strings.Contacts_NotRegisteredSection.uppercased()
        case .messages:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionMessages.uppercased()
        case .recentPeers:
            self.sectionHeaderNode.title = strings.DialogList_SearchSectionRecent.uppercased()
        case .phoneNumber:
            self.sectionHeaderNode.title = strings.Contacts_PhoneNumber.uppercased()
        case .exceptions:
            self.sectionHeaderNode.title = strings.GroupInfo_Permissions_Exceptions.uppercased()
        case .addToExceptions:
            self.sectionHeaderNode.title = strings.Exceptions_AddToExceptions.uppercased()
        case .mapAddress:
            self.sectionHeaderNode.title = strings.Map_AddressOnMap.uppercased()
        case .nearbyVenues:
            self.sectionHeaderNode.title = strings.Map_PlacesNearby.uppercased()
        case .chats:
            self.sectionHeaderNode.title = strings.Cache_ByPeerHeader.uppercased()
        case .chatTypes:
            self.sectionHeaderNode.title = strings.ChatList_ChatTypesSection.uppercased()
        }
        
        self.sectionHeaderNode.action = actionTitle
        self.sectionHeaderNode.activateAction = action
        
        if let (size, leftInset, rightInset) = self.validLayout {
            self.sectionHeaderNode.updateLayout(size: size, leftInset: leftInset, rightInset: rightInset)
        }
    }
    
    override public func updateLayout(size: CGSize, leftInset: CGFloat, rightInset: CGFloat) {
        self.validLayout = (size, leftInset, rightInset)
        self.sectionHeaderNode.frame = CGRect(origin: CGPoint(), size: size)
        self.sectionHeaderNode.updateLayout(size: size, leftInset: leftInset, rightInset: rightInset)
    }
    
    override public func animateRemoved(duration: Double) {
        self.alpha = 0.0
        self.layer.animateAlpha(from: 1.0, to: 0.0, duration: duration, removeOnCompletion: true)
    }
}