import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:sign_in_with_apple/sign_in_with_apple.dart';
import 'package:aslan/chatvibe_core/routes/at_routes.dart';
import 'package:aslan/chatvibe_core/routes/at_fluro_navigator.dart';
import 'package:aslan/chatvibe_core/utilities/at_google_auth_utils.dart';
import 'package:aslan/chatvibe_core/utilities/at_loading_manager.dart';
import 'package:aslan/chatvibe_core/utilities/at_version_utils.dart';
import 'package:aslan/chatvibe_data/sources/local/user_manager.dart';
import 'package:aslan/chatvibe_data/sources/repositories/user_repository_impl.dart';
import 'package:aslan/chatvibe_domain/models/res/login_res.dart';

import '../chatvibe_data/models/enum/at_auth_type.dart';

class ChatVibeAuthenticationManager extends ChangeNotifier {
  String authType = "";
  String uid = "";
  User? _user;

  User? get user => _user;

  bool get isSignedIn => _user != null;

  ChatVibeAuthenticationManager() {
    _init();
  }

  Future<void> _init() async {
    await ATGoogleAuthService.prepareFunction();
    await _checkExistingSession();
  }

  Future<void> _checkExistingSession() async {
    final user = await ATGoogleAuthService.signInSilently();
    _user = user;
    notifyListeners();
  }

  Future<void> signIn(BuildContext context, String authType) async {
    if (authType == ATAuthType.GOOGLE.name) {
      this.authType = authType;
      try {
        _user ??= await ATGoogleAuthService.signInWithGoogleFunction();
        uid = _user!.uid;
        ATLoadingManager.exhibitOperation();
        if (uid.isNotEmpty) {
          Future.wait([
            AccountRepository().loginForChannel(authType, uid),
            ATVersionUtils.checkReview(),
          ]).then((res) {
            var  user = (res[0] as ChatVibeLoginRes);
            AccountStorage().setCurrentUser(user);
            ATLoadingManager.veilRoutine();
            notifyListeners();
            ATNavigatorUtils.push(context, ATRoutes.home, replace: true);
          });
        }
      } catch (e) {
        ATLoadingManager.veilRoutine();
        rethrow;
      }
    } else if (authType == ATAuthType.APPLE.name) {
      this.authType = authType;
      try {
        final appleCredential = await SignInWithApple.getAppleIDCredential(
          scopes: [
            AppleIDAuthorizationScopes.fullName, // 请求姓名权限
          ],
        );
        uid = appleCredential.userIdentifier ?? "";
        ATLoadingManager.exhibitOperation();
        if (uid.isNotEmpty) {
          Future.wait([
            AccountRepository().loginForChannel(authType, uid),
            ATVersionUtils.checkReview(),
          ]).then((res) {
            var  user = (res[0] as ChatVibeLoginRes);
            AccountStorage().setCurrentUser(user);
            ATLoadingManager.veilRoutine();
            notifyListeners();
            ATNavigatorUtils.push(context, ATRoutes.home, replace: true);
          });
        }
      } catch (e) {
        ATLoadingManager.veilRoutine();
        rethrow;
      }
    }
  }

  Future<void> signOut() async {
    await ATGoogleAuthService.signOutMethod();
    _user = null;
    notifyListeners();
  }
}