//
//  AIGrammarApp.swift
//  AIGrammar
//
//  Created by oscar on 2024/3/27.
//

import SwiftUI
import TrustDecision

import Combine
import Firebase
import FirebaseAnalytics
import FirebaseCrashlytics

@main
struct AIGrammarApp: App {
        
    // 获取 AppDelegate 的实例
    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
    let persistenceController = PersistenceController.shared
    @StateObject private var appState = NofifyState()
    @State private var urlToOpen: String?
    
    init() {
        // 将当前实例传递给 AppDelegate
        appDelegate.app = self
        
        // 初始化部分
        setupLogging()
        _ = InitApp.shared
        
        // firebase 默认info级别，这里修改成线上级别。
        FirebaseConfiguration.shared.setLoggerLevel(.error)
        FirebaseApp.configure()
        Crashlytics.crashlytics().setCrashlyticsCollectionEnabled(true)
        
        // 测试一下崩溃，需要移除。
        // Crashlytics.crashlytics().log("Test crash")
        // fatalError("Test crash from Crashlytics")
    }

    var body: some Scene {
        WindowGroup {
            AllTabView(selectedTab: $appState.selectedTab, showPromotion: $appState.showPromotion, promotionMode: $appState.promotionMode)
                .environment(\.managedObjectContext, persistenceController.container.viewContext)
                .environmentObject(IAPManager()) // 这里添加 IAPManager
                .environmentObject(globalEnvironment) // 这里添加 IAPManager
                .environmentObject(appState)
                .preferredColorScheme(.light) // 强制整个应用使用亮色模式
                .sheet(isPresented: $appState.showPromotion) {
                    switch appState.promotionMode {
                    case .halfScreen:
                        PromotionView() // 半屏模式
                            .presentationDetents([.medium])
                    case .fullScreen:
                        PromotionView() // 全屏模式
                            .edgesIgnoringSafeArea(.all)
                    default:
                        EmptyView()
                    }
                }
                .onChange(of: urlToOpen) { url in
                    if let url = url, let link = URL(string: url) {
                        UIApplication.shared.open(link)
                    }
                }
                .onReceive(NotificationCenter.default.publisher(for: UIApplication.didBecomeActiveNotification)) { _ in
                    handlePushNotification()
                }
        }
    }
     
    // 这个是在app外打开链接，实际上不应该用到。
    func openURL(urlString: String) {
        urlToOpen = urlString
    }
    
    func handlePushNotification() {
        // 确保在主线程中更新视图
        DispatchQueue.main.async {
            let pushInfo = globalEnvironment.pushSettings
            // 切换到对应的tab
            if pushInfo.gotoTab >= 0 && pushInfo.gotoTab < 4 {
                self.appState.selectedTab = pushInfo.gotoTab
            }else {
                logger.info("invalid goto Tab: \(pushInfo.gotoTab)")
            }
            // 是否显示本地页面
            if pushInfo.showPage && pushInfo.page != "" {
                self.appState.showPromotion = true
                switch pushInfo.showMode {
                case "halfScreen" :
                    self.appState.promotionMode = PromotionDisplayType.halfScreen
                case "fullScreen" :
                    self.appState.promotionMode = PromotionDisplayType.fullScreen
                default:
                    break
                }
            }
            // 是否显示远程页面
            if pushInfo.showPage && pushInfo.openURL != "" {
                urlToOpen = pushInfo.openURL
            }
            
            logger.info("Push Values. gotoTab: \(pushInfo.gotoTab), showPage: \(pushInfo.showPage), page: \(pushInfo.page), showMode: \(pushInfo.showMode), url: \(pushInfo.openURL)")
        }
    }
}