import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:get/get.dart';
import 'package:taxglide/consts/app_asstes.dart';
import 'package:taxglide/consts/app_colors.dart';
import 'package:taxglide/controller/api_contoller.dart';
import 'package:taxglide/router/consts_routers.dart';
import 'package:taxglide/consts/local_store.dart';
import 'package:taxglide/services/notification_service.dart';
import 'package:taxglide/view/Main_controller/main_controller.dart';

import 'package:taxglide/view/screens/history/detail_screen.dart'
    show DetailScreen;

import 'package:firebase_messaging/firebase_messaging.dart';

import 'Mahi_chat/live_chat_screen.dart';

class FlashScreen extends ConsumerStatefulWidget {
  const FlashScreen({super.key});

  @override
  ConsumerState<FlashScreen> createState() => _FlashScreenState();
}

class _FlashScreenState extends ConsumerState<FlashScreen> {
  final LocalStore _localStore = LocalStore();

  @override
  void initState() {
    super.initState();
    _navigateNext();
  }

  Future<void> _navigateNext() async {
    try {
      await Future.delayed(const Duration(seconds: 3));

      if (!mounted) return;

      String? token;
      String? role;

      try {
        token = await _localStore.getToken();
        role = await _localStore.getRole();
      } catch (e) {
        debugPrint("⚠️ Error reading stored data: $e");
        // Clear corrupted data
        await _localStore.clearAll();
      }

      if (!mounted) return;

      // Check if token and role are valid
      if (token != null &&
          token.isNotEmpty &&
          token != 'null' &&
          role != null &&
          role.isNotEmpty &&
          role != 'null') {
        debugPrint("✅ User logged in → Checking for initial notification");

        try {
          // Trigger notification refresh
          ref.read(notificationTriggerProvider.notifier).state++;
          ref.invalidate(chatMessagesProvider);

          // ✅ Check if app was opened from notification (terminated state)
          final notificationService = Get.find<NotificationService>();
          RemoteMessage? initialMessage = notificationService.initialMessage;

          if (initialMessage != null) {
            debugPrint("📥 Processing initial notification");
            await _handleInitialNotification(initialMessage.data);
          } else {
            // Navigate to main controller normally
            Get.offAll(() => MainController());
          }
        } catch (e) {
          debugPrint("⚠️ Error checking initial notification: $e");
          // If no initial notification or error, go to MainController
          Get.offAll(() => MainController());
        }
      } else {
        debugPrint("🔒 No valid login data → Navigating to Login");
        // Clear any invalid stored data
        await _localStore.clearAll();
        Get.offNamed(ConstRouters.login);
      }
    } catch (e) {
      debugPrint("❌ Critical error in splash screen: $e");
      // Fallback: always go to login if there's any error
      if (mounted) {
        await _localStore.clearAll();
        Get.offNamed(ConstRouters.login);
      }
    }
  }

  /// Handle notification when app was opened from terminated state
  Future<void> _handleInitialNotification(Map<String, dynamic> data) async {
    String? type = data['type'];
    String? idStr = data['id']?.toString();

    if (type == null || idStr == null) {
      debugPrint("⚠️ Invalid initial notification data");
      Get.offAll(() => MainController());
      return;
    }

    debugPrint("📍 Initial notification type: $type, ID: $idStr");

    if (type == 'chat') {
      // Navigate to chat
      Get.offAll(() => MainController());
      await Future.delayed(const Duration(milliseconds: 300));
      Get.to(() => LiveChatScreen(chatid: int.parse(idStr), fileid: '0'));
    } else if (type == 'service') {
      // Navigate to service detail
      int serviceId = int.tryParse(idStr) ?? 0;
      Get.offAll(
        () => MainController(
          initialIndex: 2,
          child: DetailScreen(id: serviceId, sourceTabIndex: 2),
        ),
      );
    } else {
      // Unknown type
      Get.offAll(() => MainController());
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFFFF8F0),
      body: Stack(
        children: [
          // Background gradient
          Container(
            decoration: const BoxDecoration(
              gradient: LinearGradient(
                begin: Alignment.topCenter,
                end: Alignment.bottomCenter,
                colors: [Color(0xFFFFF8F0), Color(0xFFF5F0FF)],
              ),
            ),
          ),

          // Top blur circle
          Positioned(
            top: -431,
            left: -256,
            child: Container(
              width: 582,
              height: 582,
              decoration: BoxDecoration(
                shape: BoxShape.circle,
                color: AppColors.backgroundgrainetflashtop.withOpacity(0.9),
              ),
              child: BackdropFilter(
                filter: ImageFilter.blur(sigmaX: 368.3, sigmaY: 368.3),
                child: Container(color: Colors.transparent),
              ),
            ),
          ),

          // Bottom blur circle
          Positioned(
            top: 638,
            left: 149,
            child: Container(
              width: 934,
              height: 934,
              decoration: BoxDecoration(
                shape: BoxShape.circle,
                color: AppColors.backgroundgrainetflashbottom.withOpacity(0.94),
              ),
              child: BackdropFilter(
                filter: ImageFilter.blur(sigmaX: 591.0, sigmaY: 591.0),
                child: Container(color: Colors.transparent),
              ),
            ),
          ),

          // Center logo
          Center(
            child: Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16.0),
              child: Image.asset(
                AppAssets.taxgildelogo,
                width: 361.09,
                height: 333.94,
                fit: BoxFit.contain,
              ),
            ),
          ),
        ],
      ),
    );
  }
}