// controllers/notification_controller.dart
import 'package:get/get.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:app_settings/app_settings.dart';

class NotificationController extends GetxController {
  // 权限状态
  final Rx<PermissionStatus> notificationStatus = PermissionStatus.denied.obs;
  final RxBool checking = false.obs;

  // 初始化时检查权限
  @override
  void onInit() {
    super.onInit();
    // 延迟检查，确保服务已初始化
    checkPermission();
  }

  // 检查通知权限状态
  Future<PermissionStatus> checkPermission() async {
    checking.value = true;
    try {
      // 检查通知权限
      final status = await Permission.notification.status;
      notificationStatus.value = status;

      print('通知权限状态: $status');
      return status;
    } catch (e) {
      print('检查通知权限失败: $e');
      return PermissionStatus.denied;
    } finally {
      checking.value = false;
    }
  }

  // 请求通知权限
  Future<PermissionStatus> requestNotificationPermission() async {
    try {
      final status = await Permission.notification.request();
      notificationStatus.value = status;

      print('请求通知权限结果: $status');
      return status;
    } catch (e) {
      print('请求通知权限失败: $e');
      return PermissionStatus.denied;
    }
  }

  // 打开应用设置页面（让用户手动开启权限）
  Future<void> openSettings() async {
    try {
      AppSettings.openAppSettings(
        type: AppSettingsType.notification,
      );
    } catch (e) {
      print('打开设置页面失败: $e');
    }
  }

  // 检查是否有通知权限的便捷方法
  // Future<bool> hasNotificationPermission() async {
  //   final status = await checkNotificationPermission();
  //   return status.isGranted || status.isLimited;
  // }

  // 获取权限状态描述
  String getPermissionStatusText() {
    switch (notificationStatus.value) {
      case PermissionStatus.granted:
        return '已开启';
      case PermissionStatus.denied:
        return '已拒绝';
      case PermissionStatus.restricted:
        return '受限制';
      case PermissionStatus.limited:
        return '部分授权';
      case PermissionStatus.permanentlyDenied:
        return '永久拒绝';
      case PermissionStatus.provisional:
        return '临时授权';
    }
  }

  // 获取权限状态颜色
  String getPermissionStatusColor() {
    switch (notificationStatus.value) {
      case PermissionStatus.granted:
        return '绿色';
      case PermissionStatus.denied:
        return '橙色';
      case PermissionStatus.restricted:
        return '红色';
      case PermissionStatus.limited:
        return '蓝色';
      case PermissionStatus.permanentlyDenied:
        return '红色';
      case PermissionStatus.provisional:
        return '黄色';
    }
  }
}