import SwiftUI
import XuqmSDK
import XuqmWebViewSDK

@main
struct XuqmDemoApp: App {
    #if canImport(UIKit)
    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
    #endif

    var body: some Scene {
        WindowGroup {
            ContentView()
        }
    }
}

#if canImport(UIKit)
class AppDelegate: NSObject, UIApplicationDelegate {
    func application(
        _ application: UIApplication,
        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
    ) -> Bool {
        initializeSDK()
        return true
    }
}
#endif

@MainActor
private func initializeSDK() {
    let config = SDKConfig(
        appKey: "ak_demo_chat",
        debug: true
    )
    XuqmSDK.shared.initialize(config: config)
}

struct ContentView: View {
    @StateObject private var authViewModel = AuthViewModel()
    @State private var path = NavigationPath()
    @State private var selectedTab = 0

    init() {
        #if !canImport(UIKit)
        initializeSDK()
        #endif
    }

    var body: some View {
        Group {
            if case .success = authViewModel.state {
                MainTabView(authViewModel: authViewModel, path: $path, selectedTab: $selectedTab)
            } else {
                NavigationStack {
                    LoginView(viewModel: authViewModel)
                }
            }
        }
    }
}

struct MainTabView: View {
    @ObservedObject var authViewModel: AuthViewModel
    @Binding var path: NavigationPath
    @Binding var selectedTab: Int

    var body: some View {
        NavigationStack(path: $path) {
            TabView(selection: $selectedTab) {
                ConversationListView(path: $path)
                    .tabItem {
                        Image(systemName: "message.fill")
                        Text("会话")
                    }
                    .tag(0)

                UpdateCheckView()
                    .tabItem {
                        Image(systemName: "arrow.up.circle.fill")
                        Text("更新")
                    }
                    .tag(1)

                WebViewDemoView(path: $path)
                    .tabItem {
                        Image(systemName: "globe")
                        Text("网页")
                    }
                    .tag(2)

                ProfileView(authViewModel: authViewModel)
                    .tabItem {
                        Image(systemName: "person.fill")
                        Text("我的")
                    }
                    .tag(3)
            }
            .navigationDestination(for: AppRoute.self) { route in
                switch route {
                case .chat(let targetId, let targetName):
                    ChatView(targetId: targetId, targetName: targetName, currentUserId: authViewModel.currentUserId)
                case .webView:
                    XWebViewPage(
                        config: XWebViewConfig(
                            url: "https://example.com",
                            title: "独立页面"
                        )
                    )
                }
            }
        }
    }
}