import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:agent_service/agent_service.dart';
// 移除了dart:async导入，因为不再使用Timer
import '../../../data/services/novice_guide_service.dart';
import '../../../routes/app_routes.dart';
import '../../../core/utils/logger.dart';
import 'package:flutter/material.dart';
import '../../../data/services/bluetooth_manager.dart';
import '../../../data/services/ble_manager.dart';
import '../../../data/services/ota_check_service.dart';
import '../../../data/models/appconfig.dart';
import '../../../data/models/appconfig_model.dart';

/// 连接状态枚举
enum ConnectionStatus {
  disconnected, // 未连接
  connecting, // 连接中
  connected, // 已连接
  failed // 连接失败
}

/// 主页控制器，管理设备连接状态和信息展示
class HomeController extends GetxController {
  static const String _tag = 'HomeCtrl';
  static const String _lastDeviceNameKey = 'last_connected_device_name'; // 存储键
  static const String _lastDeviceImageKey =
      'last_connected_device_image'; // 存储上一次设备图片的键
  static HomeController get to => Get.find();
  final GetStorage _storage = GetStorage();
  String? _lastConnectedDeviceImage; // 新增：存储上一次连接设备的图片链接

  final _isFullyConnected = false.obs;
  String? _lastConnectedDeviceName;

  // 播报打断开关状态（与 AgentController 对齐）
  final isTtsInterruptEnabled = false.obs; // 是否启用播报打断

  // 移除了电池信息定时刷新相关变量

  // OTA检查服务
  late final OtaCheckService _otaCheckService;

  bool get isFullyConnected => _isFullyConnected.value;
  RxBool get isFullyConnectedRx => _isFullyConnected;
  BluetoothDevice? get currentDevice => _bluetoothManager.currentDevice;
  Rx<DeviceInfo?> get deviceInfo => _bleManager.deviceInfo;

  static final RxInt leftEarBattery = 0.obs;
  static final RxInt rightEarBattery = 0.obs;
  final caseBattery = 0.obs;
  final leftEarCharging = false.obs;
  final rightEarCharging = false.obs;
  final caseCharging = false.obs;
  final firmwareVersion = ''.obs;

  void updateDeviceInfo(DeviceInfo? newDeviceInfo) {
    leftEarBattery.value = newDeviceInfo?.leftEarBattery ?? 0;
    rightEarBattery.value = newDeviceInfo?.rightEarBattery ?? 0;
    caseBattery.value = newDeviceInfo?.caseBattery ?? 0;
    leftEarCharging.value = newDeviceInfo?.leftEarCharging ?? false;
    rightEarCharging.value = newDeviceInfo?.rightEarCharging ?? false;
    caseCharging.value = newDeviceInfo?.caseCharging ?? false;
    firmwareVersion.value = newDeviceInfo?.firmwareVersion ?? '';
  }

  Worker? _deviceInfoWorker;
  Worker? _classicBluetoothWorker;
  Worker? _bleConnectionWorker;

  final _bluetoothManager = Get.find<BluetoothManager>();
  final _bleManager = Get.find<BleManager>();

  final noviceGuideService = Get.find<NoviceGuideService>();

  @override
  void onInit() {
    super.onInit();
    _otaCheckService = Get.find<OtaCheckService>();
    _loadLastConnectedDeviceName(); // 加载持久化的设备名称
    _initWithCachedInfo();
    _loadTtsInterrupt(); // 加载播报打断开关初始状态
    // 监听存储中的“agent_tts_interrupe”键变化，实现与 Agent 页同步
    // 中文注释：当 Agent 页或 Home 页任意一处切换时，另一处通过此监听自动刷新开关状态
    _storage.listenKey('agent_tts_interrupt', (value) {
      try {
        final bool newValue = value is bool ? value : (value == 'true');
        if (isTtsInterruptEnabled.value != newValue) {
          isTtsInterruptEnabled.value = newValue;
        }
      } catch (e) {
        // 中文注释：忽略异常，保持现有状态，避免因类型转换失败导致崩溃
      }
    });

    // 移除了电池信息定时刷新的启动
  }

  @override
  void onClose() {
    _deviceInfoWorker?.dispose();
    _classicBluetoothWorker?.dispose();
    _bleConnectionWorker?.dispose();
    // 移除了定时器停止逻辑
    super.onClose();
  }

  void _initWithCachedInfo() {
    _setupStateListeners();
    _checkConnectionStatus();
  }

  void _setupStateListeners() {
    _deviceInfoWorker = ever(_bleManager.deviceInfo, (DeviceInfo? info) {
      if (info != null) updateDeviceInfo(info);
    });

    _classicBluetoothWorker =
        ever(_bluetoothManager.currentDeviceRx, (BluetoothDevice? device) {
      if (device != null) {
        _saveLastConnectedDeviceName(device.name); // 使用新的保存方法
      }
      _checkConnectionStatus();
    });

    _bleConnectionWorker = ever(_bleManager.connectionStateRx, (int state) {
      _checkConnectionStatus();
    });
  }

  /// 加载“播报打断”开关状态
  /// 逻辑与 AgentController 保持一致：
  /// 1）若本地不存在存储，则根据设备产品的 iscontinuouschat 取反作为默认值；
  /// 2）若存在存储则直接读取；
  /// 3）同步到原生服务 AgentService.isInterrupt。
  Future<void> _loadTtsInterrupt() async {
    try {
      if (!_storage.hasData('agent_tts_interrupt')) {
        final deviceName = getDeviceName();
        final DBProduct? product = AppConfig.getproduct(deviceName);
        if (deviceName.isNotEmpty && product != null) {
          isTtsInterruptEnabled.value = !(product.iscontinuouschat ?? true);
        } else {
          isTtsInterruptEnabled.value = false;
        }
      } else {
        isTtsInterruptEnabled.value =
            _storage.read('agent_tts_interrupt') ?? false;
      }
      await AgentService.isInterrupt(isTtsInterruptEnabled.value);
    } catch (e) {
      Logger.e(_tag, '加载播报打断开关失败: $e');
      isTtsInterruptEnabled.value = false;
    }
  }

  /// 切换“播报打断”开关
  /// 同步保存到本地，并通知原生服务。
  Future<void> toggleTtsInterrupt() async {
    try {
      isTtsInterruptEnabled.toggle();
      await _storage.write('agent_tts_interrupt', isTtsInterruptEnabled.value);
      await AgentService.isInterrupt(isTtsInterruptEnabled.value);
    } catch (e) {
      Logger.e(_tag, '保存播报打断偏好失败: $e');
    }
  }

  /// 从本地存储加载最后连接的设备名称
  void _loadLastConnectedDeviceName() {
    _lastConnectedDeviceName = _storage.read(_lastDeviceNameKey);
    Logger.d(_tag, '加载最后连接的设备名称: $_lastConnectedDeviceName');
  }

  /// 保存最后连接的设备名称到本地存储
  void _saveLastConnectedDeviceName(String deviceName) {
    _lastConnectedDeviceName = deviceName;
    _storage.write(_lastDeviceNameKey, deviceName);
    Logger.d(_tag, '保存最后连接的设备名称: $deviceName');
  }

  /// 保存上一次连接设备的图片链接到本地存储
  void _saveLastConnectedDeviceImage(String? imageUrl) {
    if (imageUrl != null && imageUrl.isNotEmpty) {
      _lastConnectedDeviceImage = imageUrl;
      _storage.write(_lastDeviceImageKey, imageUrl);
      Logger.d(_tag, '保存上一次连接设备的图片: $imageUrl');
    }
  }

  Future<void> refreshDeviceConnection() async {
    await _checkConnectionStatus();

    // 如果设备已连接，主动刷新设备信息
    if (_isFullyConnected.value) {
      try {
        Logger.d(_tag, '刷新设备信息');
        await _bleManager.fetchDeviceInfo();
      } catch (e) {
        Logger.e(_tag, '刷新设备信息失败: $e');
      }
    }
  }

  void rescanDevices() {
    Get.toNamed(Routes.pairing);
  }

  void openTranslation() {
    AgentService.interruptCurrentResponse();
    Get.toNamed(Routes.translationMiddleware);
  }

  /// 打开会议模块
  /// 参数：无
  /// 返回值：`Future<void>` 无返回数据
  /// 异常：不显式抛出；内部仅记录日志
  /// 说明：进入会议页前关闭唤醒；返回首页后根据录音状态决定是否开启唤醒（存在录音任务则不启用）
  void openMeet() {
    AgentService.interruptCurrentResponse();
    Get.toNamed(Routes.meeting);
  }

  void exploreAIFeatures() {
    // 优先读设备检测写入的 storage（YIDONG_PID 匹配时），否则降级到服务端 AGENT_TYPE
    final agentType = GetStorage().read<String>('device_agent_type')
        ?? AppConfig.env('AGENT_TYPE')
        ?? 'stt_llm_tts';
    if (agentType == 'yidong') {
      Get.toNamed(Routes.mobileElf);
    } else {
      Get.toNamed(Routes.agent);
      AgentService.interruptCurrentResponse();
    }
  }

  Future<void> _checkConnectionStatus() async {
    try {
      final currentBleState = await _bleManager.getConnectionState();
      print('fdp--_checkConnectionStatus--currentBleState: $currentBleState');
      bool hasClassicBluetooth = currentDevice != null;
      bool hasBleConnection = currentBleState == 2;
      bool wasConnected = _isFullyConnected.value;
      bool isNowConnected = hasClassicBluetooth && hasBleConnection;

      //bool isGuideCompleted = _storage.read('home_guide') ?? false;

      if (isNowConnected && currentDevice == null) {
        isNowConnected = false;
      }

      if (_isFullyConnected.value != isNowConnected) {
        _isFullyConnected.value = isNowConnected;
        _isFullyConnected.refresh();
        //update();

        if (!wasConnected && isNowConnected) {
          // 连接成功后等待1秒再获取设备信息
          Future.delayed(const Duration(seconds: 1), () async {
            await _bleManager.fetchDeviceInfo();
          });

          // 移除了连接成功后的电池信息刷新

          // 连接成功后检查OTA升级
          if (noviceGuideService.isHomeGuide) {
            Future.delayed(const Duration(seconds: 1), () {
              _checkOtaUpgrade();
            });
          }
        }
        // 移除了根据连接状态控制定时器的逻辑
      }

      //update();
    } catch (e) {
      Logger.e(_tag, '${'checkConnectionStatusFailed'.tr}: $e');
      if (_isFullyConnected.value) {
        _isFullyConnected.value = false;
        _isFullyConnected.refresh();
        // 移除了发生错误时停止定时器的逻辑
        // 注意：不再重置OTA检查状态，因为现在由全局服务管理
        //update();
      }
    }
  }

  Color getConnectionStatusColor() {
    return _isFullyConnected.value ? Colors.green : Colors.grey;
  }

  String getConnectionStatusText() {
    return _isFullyConnected.value ? 'connected'.tr : 'unconnected'.tr;
  }

  bool get shouldShowDeviceInfo => currentDevice != null;

  String getDeviceName() {
    if (_isFullyConnected.value && currentDevice == null) {
      _checkConnectionStatus();
    }

    final deviceName = currentDevice?.name;
    //final deviceName = '102';
    if (deviceName != null && deviceName.isNotEmpty) {
      return deviceName;
    }

    final bleDeviceName = deviceInfo.value?.name;
    if (bleDeviceName != null && bleDeviceName.isNotEmpty) {
      return bleDeviceName;
    }

    if (!_isFullyConnected.value &&
        _lastConnectedDeviceName != null &&
        _lastConnectedDeviceName!.isNotEmpty) {
      return _lastConnectedDeviceName!;
    }

    return 'unknownEquipment'.tr;
  }

  String getSignalStrength() {
    if (!_isFullyConnected.value) {
      return 'zeroSignal'.tr;
    }

    final random = DateTime.now().millisecondsSinceEpoch % 3;
    switch (random) {
      case 0:
        return 'good'.tr;
      case 1:
        return 'fine'.tr;
      default:
        return 'excellent'.tr;
    }
  }

  String getDeviceId() {
    return deviceInfo.value?.address ?? currentDevice?.address ?? 'unknown'.tr;
  }

  String getBatteryText() {
    return deviceInfo.value?.batteryLevel != null &&
            deviceInfo.value!.batteryLevel > 0
        ? '${deviceInfo.value?.batteryLevel}%'
        : 'unknown'.tr;
  }

  String getEarbudsText() {
    if (deviceInfo.value == null ||
        (deviceInfo.value!.leftEarBattery <= 0 &&
                deviceInfo.value!.rightEarBattery <= 0 ||
            deviceInfo.value!.caseBattery > 100)) {
      return 'unknown'.tr;
    }

    String leftStatus = deviceInfo.value!.leftEarBattery > 0
        ? '${deviceInfo.value!.leftEarBattery}%'
        : 'N/A';
    String rightStatus = deviceInfo.value!.rightEarBattery > 0
        ? '${deviceInfo.value!.rightEarBattery}%'
        : 'N/A';

    leftStatus =
        deviceInfo.value!.leftEarCharging ? '$leftStatus ⚡' : leftStatus;
    rightStatus =
        deviceInfo.value!.rightEarCharging ? '$rightStatus ⚡' : rightStatus;

    return '${'leftEar'.tr}: $leftStatus / ${'rightEar'.tr}: $rightStatus'; // 左耳: xxx / 右耳: xxx
  }

  String getCaseText() {
    if (deviceInfo.value == null ||
        deviceInfo.value!.caseBattery <= 0 ||
        deviceInfo.value!.caseBattery > 100) {
      return 'unknown'.tr;
    }

    String caseStatus = '${deviceInfo.value!.caseBattery}%';
    if (deviceInfo.value!.caseCharging) {
      caseStatus = '$caseStatus ⚡';
    }

    return '${'chargingCase'.tr}: $caseStatus'; // 充电仓: xxx
  }

  String getChargingText() {
    if (deviceInfo.value == null) {
      return 'unknown'.tr;
    }

    bool isCharging = deviceInfo.value!.leftEarCharging ||
        deviceInfo.value!.rightEarCharging ||
        deviceInfo.value!.caseCharging;

    return isCharging ? 'charging'.tr : 'notCharging'.tr;
  }

  /// 获取当前设备类型
  /// 返回设备类型，如果无法获取则返回未知类型
  DeviceType getCurrentDeviceType() {
    try {
      final deviceName = getDeviceName();
      if (deviceName == 'unknownEquipment'.tr) {
        return DeviceType.unknown;
      }

      // 通过AppConfig获取产品信息
      final product = AppConfig.getproduct(deviceName);
      if (product != null) {
        // 根据产品的devicetype字段返回对应的DeviceType
        switch (product.devicetype) {
          case 1:
            return DeviceType.classicBluetoothHeadset;
          case 2:
            return DeviceType.bleBluetoothDoubleHeadset;
          case 3:
            return DeviceType.bleBluetoothSingleHeadset;
          case 4:
            return DeviceType.smartVoiceRecorder;
          case 5:
            return DeviceType.smartEye;
          default:
            return DeviceType.unknown;
        }
      }

      return DeviceType.unknown;
    } catch (e) {
      Logger.e(_tag, '获取设备类型失败: $e');
      return DeviceType.unknown;
    }
  }

  /// 判断当前设备是否为单端耳机
  bool isSingleHeadset() {
    return getCurrentDeviceType() == DeviceType.bleBluetoothSingleHeadset ||
        getCurrentDeviceType() == DeviceType.smartVoiceRecorder ||
        getCurrentDeviceType() == DeviceType.smartEye;
  }

  String getVersionText() {
    return deviceInfo.value?.firmwareVersion.isNotEmpty == true
        ? deviceInfo.value!.firmwareVersion
        : 'unknown'.tr;
  }

  // 移除了电池信息定时刷新相关方法

  /// 检查OTA固件升级
  /// 在BLE连接成功后调用，检查是否需要升级
  Future<void> _checkOtaUpgrade() async {
    Logger.d(_tag, '触发OTA升级检查...');

    // 打印当前OTA检查状态（用于调试）
    final status = _otaCheckService.getCheckStatus();
    Logger.d(_tag, 'OTA检查状态: $status');

    // 使用全局OTA检查服务执行检查
    final success =
        await _otaCheckService.performOtaCheck(_isFullyConnected.value);

    if (success) {
      Logger.d(_tag, 'OTA检查已成功执行');
    } else {
      Logger.d(_tag, 'OTA检查被跳过或执行失败');
    }
  }

  /// 调试方法：获取OTA检查状态
  /// 可以在开发阶段用于调试
  Map<String, dynamic> getOtaCheckStatus() {
    return _otaCheckService.getCheckStatus();
  }

  /// 获取当前设备的产品图片路径
  /// 如果没有配置产品图片或获取失败，返回null使用默认图片
  String? getCurrentDeviceImage() {
    try {
      final deviceName = getDeviceName();
      if (deviceName == 'unknownEquipment'.tr) {
        Logger.d(_tag, '设备未知，使用默认图片');
        return null;
      }

      // 通过AppConfig获取产品信息
      if (!AppConfig.isInitialized()) {
        Logger.w(_tag, 'AppConfig未初始化，使用默认图片');
        return null;
      }

      final product = AppConfig.getproduct(deviceName);
      if (product != null &&
          product.productimage != null &&
          product.productimage!.isNotEmpty) {
        Logger.d(_tag, '获取到设备产品图片: ${product.productimage}');
        _saveLastConnectedDeviceImage(product.productimage);
        return product.productimage;
      } else {
        Logger.d(_tag, '设备 "$deviceName" 未配置产品图片，使用默认图片');
        return null;
      }
    } catch (e) {
      Logger.e(_tag, '获取设备产品图片失败: $e');
      return null;
    }
  }

  /// 获取设备图片的完整资源路径
  /// 处理网络图片URL和本地资源路径
  String getDeviceImagePath(bool isDarkMode) {
    final productImage = getCurrentDeviceImage();

    if (productImage != null) {
      // 如果是网络图片URL
      if (productImage.startsWith('http://') ||
          productImage.startsWith('https://')) {
        return productImage;
      }
      // 如果是本地资源路径，确保以assets/开头
      else if (productImage.startsWith('assets/')) {
        return productImage;
      }
      // 如果只是文件名，添加assets/images/前缀
      else {
        return 'assets/images/$productImage';
      }
    }

    // 使用默认耳机图片
    return 'assets/images/defaultPicture.png';
  }

  /// 判断是否为网络图片
  bool isNetworkImage(String imagePath) {
    return imagePath.startsWith('http://') || imagePath.startsWith('https://');
  }
}