import 'dart:async';
import 'dart:convert';
import 'package:app_links/app_links.dart';
import 'package:get/get.dart';
import 'package:onufitness/controller/notification_controller.dart';
import 'package:onufitness/environment/environment_config.dart';
import 'package:onufitness/routes/route_constant.dart';
import 'package:onufitness/screens/accounts/Controllers/coach_rating_controller.dart';
import 'package:onufitness/screens/chat/controllers/chat_controller.dart';
import 'package:onufitness/screens/echoboard/controllers/connection_and_tribe_controller.dart';
import 'package:onufitness/screens/echoboard/controllers/profile_controller.dart';
import 'package:onufitness/screens/echoboard/views/single_post_screen.dart';
import 'package:onufitness/screens/navbar/bottom_nav_bar.dart';
import 'package:onufitness/screens/echoboard/controllers/echoboard_controller.dart';
import 'package:onufitness/services/local_storage_services/shared_services.dart';
import 'package:onufitness/utils/custom_sneakbar.dart';

class DeepLinkService extends GetxService {
  late AppLinks appLinks;
  StreamSubscription<Uri>? linkSubscription;

  static DeepLinkService get instance => Get.find<DeepLinkService>();
  final RxBool isDeepLinkNavigating = false.obs;

  @override
  void onInit() {
    super.onInit();
    appLinks = AppLinks();
    //  initDeepLinks();
  }

  //.......................................................................................................
  @override
  void onClose() {
    linkSubscription?.cancel();
    super.onClose();
  }

  void initDeepLinks() {
    // Handle incoming links when app is already running
    linkSubscription = appLinks.uriLinkStream.listen((Uri uri) {
      handleDeepLink(uri);
    }, onError: (err) {});
  }

  void handleDeepLink(Uri uri) async {
    isDeepLinkNavigating(true);

    final webUrl = EnvironmentConfigFactory.getConfig().webUrl;
    if (uri.host == webUrl && uri.pathSegments.isNotEmpty) {
      // Handle regular post link: /post-link?postId=encodedPostId
      if (uri.pathSegments[0] == 'post-link') {
        final String? encodedPostId = uri.queryParameters['postId'];
        if (encodedPostId != null) {
          final decodedPostId = utf8.decode(base64Url.decode(encodedPostId));
          await navigateToPost(postId: decodedPostId);
        }
      }

      // Handle tribe post link: /tribe-post-link?tribeId=encodedTribeId&postId=encodedPostId
      if (uri.pathSegments[0] == 'tribe-post-link') {
        final String? encodedTribeId = uri.queryParameters['tribeId'];
        final String? encodedPostId = uri.queryParameters['postId'];

        if (encodedTribeId != null && encodedPostId != null) {
          final decodedPostId = utf8.decode(base64Url.decode(encodedPostId));
          final decodedTribeId = utf8.decode(base64Url.decode(encodedTribeId));

          await navigateToTribeEchoboardPost(
            postId: decodedPostId,
            tribeId: int.parse(decodedTribeId),
          );
        }
      }
    }
  }

  Future<void> navigateToTribeEchoboardPost({
    required String postId,
    int? tribeId,
  }) async {
    // Give 1 second wait for GetMaterialApp Initialize Prooperly.....................
    await Future.delayed(Duration(seconds: 1));
    //.................................................................................
    if (SharedServices.isLoggedIn() == true) {
      if (!Get.isRegistered<SocialConnectionController>()) {
        Get.put(SocialConnectionController());
      }

      final socialConnectionController = Get.find<SocialConnectionController>();

      // Check if user is a member of the tribe
      final isMember = await socialConnectionController.checkUserInTribe(
        tribeId: tribeId!,
      );

      if (isMember) {
        // User is a member, load tribe details
        final tribeDetailsLoaded = await socialConnectionController
            .getSingleTribeDetails(tribeId: tribeId);

        if (tribeDetailsLoaded) {
          // Navigate to SinglePostPage with tribe context
          Get.offAll(
            () => SinglePostPage(
              postId: postId,
              tribeId: tribeId,
              isComingFromShare: true,
            ),
          );
          controllerInitialization();
        } else {
          customSnackbar(
            title: "Error",
            message: "Failed to load tribe details",
            duration: 2,
          );
          Get.offAll(() => const DashboardScreen());
          controllerInitialization();
        }
      } else {
        // User is NOT a member
        customSnackbar(
          title: "Access Denied",
          message: "You are not a member of this tribe",
          duration: 2,
        );
        Get.offAll(() => const DashboardScreen());
        controllerInitialization();
      }
    } else {
      Future.delayed(const Duration(milliseconds: 100), () {
        Get.offNamedUntil(RouteConstant.loginFirstScreen, (route) => false);
      });
    }
  }

  Future<void> navigateToPost({required String postId}) async {
    // Give 1 second wait for GetMaterialApp Initialize Prooperly.....................
    await Future.delayed(Duration(seconds: 1));
    //.................................................................................
    if (SharedServices.isLoggedIn() == true) {
      Get.offAll(
        () =>
            SinglePostPage(postId: postId, tribeId: 0, isComingFromShare: true),
      );
      controllerInitialization();
    } else {
      Future.delayed(const Duration(milliseconds: 100), () {
        Get.offNamedUntil(RouteConstant.loginFirstScreen, (route) => false);
      });
    }
  }

  controllerInitialization() {
    if (!Get.isRegistered<NavigationController>()) {
      Get.put(NavigationController());
    }
    if (!Get.isRegistered<RatingsReviewsController>()) {
      Get.put(RatingsReviewsController());
    }

    if (!Get.isRegistered<EchoBoardController>()) {
      Get.put(EchoBoardController());
    }
    if (!Get.isRegistered<ChatController>()) {
      Get.put(ChatController());
    }
    if (!Get.isRegistered<ProfileController>()) {
      Get.put(ProfileController());
    }
    if (!Get.isRegistered<NotificationController>()) {
      Get.put(NotificationController());
    }
  }
}