import 'dart:math';

import 'package:get/get.dart';
import 'package:starcloud/entity/star_cloud_lock_list.dart';
import 'package:starcloud/entity/star_cloud_scan_result.dart';
import 'package:starcloud/sdk/entity/cloud_user_info.dart';
import 'package:starcloud/sdk/sdk_device_operate_extension.dart';
import 'package:starcloud/sdk/starcloud.dart';
import 'package:starwork_flutter/base/app_logger.dart';
import 'package:starwork_flutter/base/app_permission.dart';
import 'package:starwork_flutter/base/base_controller.dart';
import 'package:starwork_flutter/common/constant/app_toast_messages.dart';
import 'package:starwork_flutter/common/constant/cache_keys.dart';
import 'package:starwork_flutter/common/events/refresh_device_list_event.dart';
import 'package:starwork_flutter/common/utils/event_bus_util.dart';
import 'package:starwork_flutter/common/utils/shared_preferences_utils.dart';

class SearchDeviceController extends BaseController {
  // 搜索状态管理
  final RxBool isSearching = false.obs;

  // 设备列表管理
  final RxList<StarCloudScanResult> deviceList = <StarCloudScanResult>[].obs;

  // 权限状态标识
  final RxBool permissionsGranted = false.obs;

  @override
  void onInit() async {
    super.onInit();

    // 异步初始化权限
    _initializePermissions();
  }

  @override
  void onClose() {
    StarCloudSDK.instance.stopScan(onError: (err) {});
    isSearching.value = false;
    deviceList.clear();
    super.onClose();
  }

  /// 初始化权限
  Future<void> _initializePermissions() async {
    try {
      AppLogger.highlight('🔐 开始检查权限...');

      // 使用 BleService 中的统一权限申请方法
      bool hasPermissions = await _checkAndRequestBlePermission();

      if (!hasPermissions) {
        AppLogger.error('❌ 蓝牙相关权限被拒绝');
        showToast('蓝牙功能需要相关权限，请在设置中开启');
        return;
      }

      AppLogger.highlight('✅ 所有权限已获得');

      // 所有权限都获得了，标记为可以开始搜索
      permissionsGranted.value = true;
      AppLogger.highlight('🎉 所有权限已就绪，准备开始搜索');

      // 开始搜索
      _startBluetoothSearch();
    } catch (e, stackTrace) {
      AppLogger.error('权限初始化失败', error: e, stackTrace: stackTrace);
      showToast('权限初始化失败，请重试');
    }
  }

  /// 启动蓝牙搜索
  Future<void> _startBluetoothSearch() async {
    try {
      // 清空设备列表
      deviceList.clear();

      // 更新搜索状态
      isSearching.value = true;

      // 启动搜索设备
      await StarCloudSDK.instance.scanDeviceList(
        onScan: (List<StarCloudScanResult> deviceListResult) {
          AppLogger.highlight('deviceListResult:${deviceListResult}');
          deviceList.value = deviceListResult;
        },
        timeout: 10,
      );
    } catch (e, stackTrace) {
      AppLogger.error('启动蓝牙搜索失败', error: e, stackTrace: stackTrace);
      isSearching.value = false;
      showToast('启动搜索失败，请刷新并重试');
    }
  }

  /// 刷新设备数据
  Future<void> refreshDevices() async {
    AppLogger.highlight('🔄 开始刷新设备列表');

    try {
      await StarCloudSDK.instance.stopScan(onError: (err) {});
      isSearching.value = false;

      // 清空设备列表
      deviceList.clear();

      // 模拟网络请求延迟
      await Future.delayed(const Duration(seconds: 1));

      // 重新开始搜索前检查权限
      await _initializePermissions();

      AppLogger.highlight('✅ 设备列表刷新完成');
    } catch (e, stackTrace) {
      AppLogger.error('刷新设备列表失败', error: e, stackTrace: stackTrace);
      showToast('刷新失败，请重试');
    }
  }

  /// 连接设备
  /// 1.获取锁公钥
  /// 2.获取锁私钥
  /// 3.注册管理员密码
  void connectingDevices(StarCloudScanResult device) async {
    showLoading();
    try {
      await StarCloudSDK.instance.pairDevice(
        onError: (err) {
          AppLogger.error('连接设备时出现错误:${err}');
          hideLoading();
        },
        onSuccess: (StarCloudLock lockInfo) {
          // 设备连接成功
          showSuccess(message: '设备添加成功'.tr);
          hideLoading();
          // 触发刷新设备列表
          EventBusUtil().instance.fire(RefreshDeviceListEvent());
          Get.back();
        },
        scanResult: device,
      );
    } catch (e, stackTrace) {
      AppLogger.error('连接设备失败', error: e, stackTrace: stackTrace);
      showToast('连接失败，请重试');
      hideLoading();
    }
  }

  /// 检查并申请权限
  Future<bool> _checkAndRequestBlePermission() async {
    var locationPermission = await AppPermission.requestLocationPermission();
    if (!locationPermission) {
      showToast(AppToastMessages.notLocationPermission);
      return false;
    }
    var bluetoothPermissions = await AppPermission.requestBluetoothPermissions();
    if (!bluetoothPermissions) {
      showToast(AppToastMessages.notBluetoothPermissions);
      return false;
    }
    return true;
  }
}