sinoMedCloud/lib/permission/permission_service.dart

import 'dart:io';
import 'package:permission_handler/permission_handler.dart';

enum PermissionResult {
  granted,
  denied,
  permanentlyDenied,
}

enum PermissionType {
  camera,
  gallery,
  microphone,
  bluetooth,
}

class PermissionService {
  /// 对外统一入口
  static Future<PermissionResult> request(
      PermissionType type,
      ) async {
    final permission = _mapPermission(type);
    final status = await permission.status;

    if (status.isGranted) {
      return PermissionResult.granted;
    }

    final result = await permission.request();

    if (result.isGranted) {
      return PermissionResult.granted;
    }

    if (result.isPermanentlyDenied) {
      return PermissionResult.permanentlyDenied;
    }

    return PermissionResult.denied;
  }


  /// 跳转系统设置
  static Future<void> openSetting() async {
    await openAppSettings();
  }

  /// 权限映射（平台差异处理）
  static Permission _mapPermission(PermissionType type) {
    switch (type) {
      case PermissionType.camera:
        return Permission.camera;

      case PermissionType.microphone:
        return Permission.microphone;

      case PermissionType.gallery:
        if (Platform.isAndroid) {
          return Permission.photos;
        }
        return Permission.photos;

      case PermissionType.bluetooth:
        if (Platform.isAndroid) {
          return Permission.bluetoothConnect;
        }
        return Permission.bluetooth;
    }
  }

}