import 'dart:async';

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get/get_rx/get_rx.dart';
import 'package:starcloud/entity/star_cloud_lock_list.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/base_controller.dart';
import 'package:starwork_flutter/common/constant/app_support_device_type.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/views/main/main_controller.dart';

class DeviceManageController extends BaseController with GetSingleTickerProviderStateMixin {
  final mainController = Get.find<MainController>();

  // 选中状态 0:全部状态 1：在线 2：离线
  final RxInt selectedStatusIndex = 0.obs;

  // 选中设备类型
  final selectedDeviceType = AppSupportDeviceType.lock.obs;

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

  // 用于 UI 显示的过滤后列表
  final filteredDeviceList = <StarCloudLock>[].obs;

  // 在线设备数量
  final onlineDeviceCount = 0.obs;

  // 离线设备数量
  final offlineDeviceCount = 0.obs;

  // 刷新设备列表事件留监听
  late StreamSubscription _refreshDeviceListSubscription;

  // 搜索输入框
  TextEditingController searchInputController = TextEditingController();

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

    // 监听刷新设备列表事件
    _refreshDeviceListSubscription = EventBusUtil().instance.on<RefreshDeviceListEvent>().listen((event) async {
      _requestTeamDeviceList();
    });

    //  监听搜索输入框变化
    searchInputController.addListener(() {
      _updateFilteredList(); // 输入变化时重新过滤
    });
  }

  @override
  void onClose() {
    super.onClose();
    _refreshDeviceListSubscription.cancel();
    searchInputController.dispose();
  }

  void initData() async {
    _requestTeamDeviceList();
  }

  /// 切换设备状态筛选
  void changeStatusFilter(int index) {
    selectedStatusIndex.value = index;
    _updateFilteredList();
  }

  /// 根据当前 selectedStatusIndex 过滤设备列表
  /// 根据当前 selectedStatusIndex 和 搜索关键词 过滤设备列表
  void _updateFilteredList() {
    List<StarCloudLock> filtered = deviceList;

    // Step 1: 先按状态筛选
    switch (selectedStatusIndex.value) {
      case 0: // 全部
        break;
      case 1: // 在线
        filtered = filtered.where((device) => device.network?.isOnline == 1).toList();
        break;
      case 2: // 离线
        filtered = filtered.where((device) => device.network?.isOnline == 0).toList();
        break;
    }

    // Step 2: 再按搜索关键词过滤（设备名称）
    final String keyword = searchInputController.text.trim();
    if (keyword.isNotEmpty) {
      filtered = filtered.where((device) {
        final name = device.lockName ?? '';
        return name.toLowerCase().contains(keyword.toLowerCase());
      }).toList();
    }

    // 更新 UI 列表
    filteredDeviceList.assignAll(filtered);
  }

  void _requestTeamDeviceList() async {
    showLoading();
    await StarCloudSDK.instance.getDeviceList(
      pageNo: 1,
      pageSize: 999,
      cloudUid: mainController.selectedTeam.value.teamCloudInfo!.uid!,
      onSuccess: (StarCloudLockList list) {
        filteredDeviceList.clear();
        deviceList.clear();
        for (var groupItem in list.groupList) {
          for (var lock in groupItem.lockList) {
            deviceList.add(lock);
            if (lock.network?.isOnline == 1) {
              onlineDeviceCount.value++;
            } else {
              offlineDeviceCount.value++;
            }
          }
        }
        // ✅ 在更新过滤前，先对 deviceList 按在线状态排序：在线在前，离线在后
        deviceList.sort((a, b) {
          final aOnline = a.network?.isOnline == 1;
          final bOnline = b.network?.isOnline == 1;
          if (aOnline == bOnline) return 0; // 状态相同，顺序不变
          if (aOnline) return -1; // a 在线，排前面
          return 1; // b 在线，或都离线，a 排后面
        });
        // ✅ 加载完原始数据后，更新过滤列表
        _updateFilteredList();
        hideLoading();
      },
      onError: (err) {
        AppLogger.error('获取设备列表失败：${err}');
        hideLoading();
      },
    );
  }
}