import Account
import AppAccount
import AVFoundation
import DesignSystem
import Env
import KeychainSwift
import MediaUI
import Network
import RevenueCat
import Status
import SwiftUI
import Timeline

@main
struct IceCubesApp: App {
  @UIApplicationDelegateAdaptor private var appDelegate: AppDelegate

  @Environment(\.scenePhase) var scenePhase
  @Environment(\.openWindow) var openWindow

  @State var appAccountsManager = AppAccountsManager.shared
  @State var currentInstance = CurrentInstance.shared
  @State var currentAccount = CurrentAccount.shared
  @State var userPreferences = UserPreferences.shared
  @State var pushNotificationsService = PushNotificationsService.shared
  @State var watcher = StreamWatcher()
  @State var quickLook = QuickLook.shared
  @State var theme = Theme.shared
  @State var sidebarRouterPath = RouterPath()

  @State var selectedTab: Tab = .timeline
  @State var popToRootTab: Tab = .other
  @State var iosTabs = iOSTabs.shared
  @State var sideBarLoadedTabs: Set<Tab> = Set()
  @State var isSupporter: Bool = false

  var availableTabs: [Tab] {
    if UIDevice.current.userInterfaceIdiom == .phone {
      return appAccountsManager.currentClient.isAuth ? iosTabs.tabs : Tab.loggedOutTab()
    }
    return appAccountsManager.currentClient.isAuth ? Tab.loggedInTabs() : Tab.loggedOutTab()
  }

  var body: some Scene {
    appScene
    otherScenes
  }

  func setNewClientsInEnv(client: Client) {
    currentAccount.setClient(client: client)
    currentInstance.setClient(client: client)
    userPreferences.setClient(client: client)
    Task {
      await currentInstance.fetchCurrentInstance()
      watcher.setClient(client: client, instanceStreamingURL: currentInstance.instance?.urls?.streamingApi)
      watcher.watch(streams: [.user, .direct])
    }
  }

  func handleScenePhase(scenePhase: ScenePhase) {
    switch scenePhase {
    case .background:
      watcher.stopWatching()
    case .active:
      watcher.watch(streams: [.user, .direct])
      UNUserNotificationCenter.current().setBadgeCount(0)
      userPreferences.reloadNotificationsCount(tokens: appAccountsManager.availableAccounts.compactMap(\.oauthToken))
      Task {
        await userPreferences.refreshServerPreferences()
      }
    default:
      break
    }
  }

  func setupRevenueCat() {
    Purchases.logLevel = .error
    Purchases.configure(withAPIKey: "appl_JXmiRckOzXXTsHKitQiicXCvMQi")
    Purchases.shared.getCustomerInfo { info, _ in
      if info?.entitlements["Supporter"]?.isActive == true {
        isSupporter = true
      }
    }
  }

  func refreshPushSubs() {
    PushNotificationsService.shared.requestPushNotifications()
  }
}

class AppDelegate: NSObject, UIApplicationDelegate {
  func application(_: UIApplication,
                   didFinishLaunchingWithOptions _: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool
  {
    try? AVAudioSession.sharedInstance().setCategory(.ambient)
    PushNotificationsService.shared.setAccounts(accounts: AppAccountsManager.shared.pushAccounts)
    return true
  }

  func application(_: UIApplication,
                   didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data)
  {
    PushNotificationsService.shared.pushToken = deviceToken
    Task {
      PushNotificationsService.shared.setAccounts(accounts: AppAccountsManager.shared.pushAccounts)
      await PushNotificationsService.shared.updateSubscriptions(forceCreate: false)
    }
  }

  func application(_: UIApplication, didFailToRegisterForRemoteNotificationsWithError _: Error) {}

  func application(_: UIApplication, didReceiveRemoteNotification _: [AnyHashable: Any]) async -> UIBackgroundFetchResult {
    UserPreferences.shared.reloadNotificationsCount(tokens: AppAccountsManager.shared.availableAccounts.compactMap(\.oauthToken))
    return .noData
  }

  func application(_: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options _: UIScene.ConnectionOptions) -> UISceneConfiguration {
    let configuration = UISceneConfiguration(name: nil, sessionRole: connectingSceneSession.role)
    if connectingSceneSession.role == .windowApplication {
      configuration.delegateClass = SceneDelegate.self
    }
    return configuration
  }
}