import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:dio/dio.dart';
import '../../../core/storage/secure_storage.dart';
import '../../../core/utils/app_snackbar.dart';
import '../../../core/utils/logger.dart';
import '../../../app/routes/app_pages.dart';

class DashboardController extends GetxController {
  final SecureStorage _storage = SecureStorage();
  final Dio _dio = Dio(BaseOptions(
    baseUrl: 'https://musadaq.intaleqapp.com/api/v1',
    connectTimeout: const Duration(seconds: 15),
    receiveTimeout: const Duration(seconds: 15),
    responseType: ResponseType.json,
  ));

  var isLoading = true.obs;
  var stats = {}.obs;
  var recentActivities = [].obs;
  var userRole = ''.obs;

  @override
  void onInit() {
    super.onInit();
    _loadDashboardData();
  }

  Future<void> _loadDashboardData() async {
    try {
      isLoading.value = true;
      final token = await _storage.getToken();

      if (token == null || token.isEmpty) {
        Get.offAllNamed(AppRoutes.PHONE_INPUT);
        return;
      }

      _dio.options.headers['Authorization'] = 'Bearer $token';

      // Fetch Stats
      final statsResponse = await _dio.get('/dashboard/stats');
      if (statsResponse.data['success'] == true) {
        stats.value = statsResponse.data['data'];
        userRole.value = statsResponse.data['data']['role'] ?? '';
      }

      // Fetch Recent Activity
      final activityResponse = await _dio.get('/dashboard/recent-activity');
      if (activityResponse.data['success'] == true) {
        recentActivities.value = activityResponse.data['data'];
      }
    } on DioException catch (e) {
      AppLogger.error('Dashboard Data Fetch Error', e);
      if (e.response?.statusCode == 401 || e.response?.statusCode == 403) {
        await logout();
      } else {
        AppSnackbar.showError(
            'خطأ', 'فشل في جلب البيانات. الرجاء التحقق من اتصالك بالإنترنت.');
      }
    } catch (e) {
      AppLogger.error('Unexpected error fetching dashboard', e);
    } finally {
      isLoading.value = false;
    }
  }

  Future<void> logout() async {
    await _storage.clearAll();
    Get.offAllNamed(AppRoutes.PHONE_INPUT);
  }

  void startVoiceAssistant() {
    final textController = TextEditingController();

    Get.bottomSheet(
      Container(
        padding: const EdgeInsets.all(24),
        decoration: BoxDecoration(
          color: Get.isDarkMode ? const Color(0xFF1E1E2E) : Colors.white,
          borderRadius: const BorderRadius.only(
              topLeft: Radius.circular(30), topRight: Radius.circular(30)),
        ),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            Container(
              width: 40,
              height: 4,
              margin: const EdgeInsets.only(bottom: 20),
              decoration: BoxDecoration(
                  color: Colors.grey.withOpacity(0.3),
                  borderRadius: BorderRadius.circular(2)),
            ),
            Row(
              children: [
                const Icon(Icons.auto_awesome, color: Color(0xFF5EEAD4)),
                const SizedBox(width: 12),
                Text(
                  'المساعد الذكي (Grok-Beta)',
                  style: TextStyle(
                      fontSize: 18,
                      fontWeight: FontWeight.bold,
                      color: Get.isDarkMode
                          ? Colors.white
                          : const Color(0xFF0F4C81)),
                ),
              ],
            ),
            const SizedBox(height: 20),
            TextField(
              autofocus: true,
              controller: textController,
              style: TextStyle(
                  color: Get.isDarkMode ? Colors.white : Colors.black),
              decoration: InputDecoration(
                hintText: 'اكتب أمرك هنا (مثلاً: أريد رؤية الفواتير)...',
                hintStyle: const TextStyle(fontSize: 14, color: Colors.grey),
                filled: true,
                fillColor: Get.isDarkMode
                    ? const Color(0xFF1A1A2E)
                    : const Color(0xFFF1F5F9),
                border: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(16),
                    borderSide: BorderSide.none),
                prefixIcon: const Icon(Icons.mic_none_rounded, color: Colors.grey),
                suffixIcon: IconButton(
                  icon:
                      const Icon(Icons.send_rounded, color: Color(0xFF0F4C81)),
                  onPressed: () => _handleVoiceCommand(textController.text),
                ),
              ),
              onSubmitted: (val) => _handleVoiceCommand(val),
            ),
            const SizedBox(height: 12),
            Text(
              'ملاحظة: جاري تفعيل ميزة التعرف الصوتي المباشر...',
              style:
                  TextStyle(fontSize: 11, color: Colors.grey.withOpacity(0.7)),
            ),
            const SizedBox(height: 20),
          ],
        ),
      ),
      isScrollControlled: true,
    );
  }

  Future<void> _handleVoiceCommand(String text) async {
    if (text.trim().isEmpty) return;

    Get.back(); // Close bottom sheet
    AppSnackbar.showWarning('جاري التحليل...', 'يتم تحليل طلبك بواسطة Grok AI');

    try {
      final token = await _storage.getToken();
      final response = await _dio.post(
        '/voice/parse-intent-grok',
        data: {'text': text},
        options: Options(headers: {'Authorization': 'Bearer $token'}),
      );

      if (response.data['success'] == true) {
        final action = response.data['data']['action'];
        final params = response.data['data']['params'];
        final confirmation = response.data['data']['confirmation'] ?? 'تم!';

        AppSnackbar.showSuccess('تم!', confirmation);
        _executeAction(action, params);
      } else {
        AppSnackbar.showError(
            'خطأ', response.data['message'] ?? 'فشل تحليل الطلب');
      }
    } on DioException catch (e) {
      AppLogger.error('Voice Assistant Error', e);
      String errorMsg = 'حدث خطأ أثناء التواصل مع خادم الذكاء الاصطناعي';
      if (e.response != null && e.response?.data != null) {
        if (e.response?.data is Map && e.response?.data['message'] != null) {
          errorMsg = e.response?.data['message'];
        }
      }
      AppSnackbar.showError('خطأ', errorMsg);
    } catch (e) {
      AppLogger.error('Voice Assistant Error', e);
      AppSnackbar.showError('خطأ', 'حدث خطأ غير متوقع');
    }
  }

  void _executeAction(String action, dynamic params) {
    switch (action) {
      case 'list_invoices':
        Get.toNamed(AppRoutes.INVOICES);
        break;
      case 'open_scanner':
        Get.toNamed(AppRoutes.SCANNER);
        break;
      case 'navigate':
        final screen = params['screen']?.toString().toLowerCase();
        if (screen == 'settings') Get.toNamed(AppRoutes.SETTINGS);
        if (screen == 'dashboard') Get.back();
        break;
      default:
        AppSnackbar.showWarning(
            'تنبيه', 'الأمر مفهوم ولكن لم يتم ربط الأكشن برمجياً بعد.');
    }
  }

  void refreshData() {
    _loadDashboardData();
  }
}