//
//  AppState.swift
//  SodaLive
//
//  Created by klaus on 2023/08/09.
//

import Foundation

class AppState: ObservableObject {
    static let shared = AppState()
    
    private var appStepBackStack = [AppStep]()
    
    @Published var alreadyUpdatedMarketingInfo = false
    @Published private(set) var appStep: AppStep = .splash
    
    @Published var isShowPlayer = false {
        didSet {
            if isShowPlayer {
                ContentPlayManager.shared.stopAudio()
                ContentPlayerPlayManager.shared.resetPlayer()
            }
        }
    }
    
    @Published var isShowNotificationSettingsDialog = false
    
    @Published var pushRoomId = 0
    @Published var pushChannelId = 0
    @Published var pushMessageId = 0
    @Published var pushAudioContentId = 0
    @Published var pushSeriesId = 0
    @Published var roomId = 0 {
        didSet {
            if roomId <= 0 {
                isShowPlayer = false
            }
        }
    }
    
    @Published var eventPopup: EventItem? = nil
    @Published var purchasedContentId = 0
    @Published var purchasedContentOrderType = OrderType.KEEP
    
    @Published var isRestartApp = false
    @Published var startTab: HomeViewModel.CurrentTab = .home
    
    @Published var marketingUtmSource = ""
    @Published var marketingUtmMedium = ""
    @Published var marketingUtmCampaign = ""
    
    @Published var isShowErrorPopup = false
    @Published var errorMessage = ""
    
    func setAppStep(step: AppStep) {
        switch step {
        case .splash, .main:
            appStepBackStack.removeAll()
            
        default:
            appStepBackStack.append(appStep)
        }
        
        DispatchQueue.main.async {
            self.appStep = step
        }
    }
    
    func back() {
        if let step = appStepBackStack.popLast() {
            self.appStep = step
        } else {
            self.appStep = .main
        }
    }

    // 언어 적용 직후 앱을 소프트 재시작(스플래시 -> 메인)하여 전역 UI를 새로고침
    func softRestart() {
        isRestartApp = true
        setAppStep(step: .splash)
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
            self.setAppStep(step: .main)
        }
    }
}