/*
 * @Descripttion: 获取本地权限
 * @version: UpgradePermission
 * @Author: wy
 * @Date: 2020-07-30 15:41:39
 * @LastEditors: wangyang 1147192855@qq.com
 * @LastEditTime: 2022-08-01 14:08:57
 */
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:marking_app/utils/index.dart';
import 'package:permission_handler/permission_handler.dart';

class UpgradePermission {
  final String _flatform;
  const UpgradePermission(this._flatform);

  /// 检查是否有权限，用于安卓
  Future<bool> checkPermission(BuildContext context) async {
    if (_flatform != 'android') return true; // 非安卓
    var status = await Permission.storage.request();
    if (status.isGranted) return true;

    if (status.isDenied) {
      // 普通拒绝 可以再进行提示
      await showDialog<bool>(
        context: context,
        barrierDismissible: false,
        builder: (BuildContext context) {
          return AlertDialog(
            title: const Text("权限提示"),
            content: const Text("无法获取存储权限，请同意获取设备存储权限"),
            actions: [
              MaterialButton(
                color: Theme.of(context).primaryColor,
                child: const Text("同意", style: TextStyle(color: Colors.white)),
                onPressed: () => Navigator.of(context).pop(),
              ),
            ],
          );
        },
      );

      if (isPad()) {
        // 平板无法发起权限询问 直接进入APP权限设置页面
        await openAppSettings();
        return false;
      }

      return checkPermission(context);
    }

    // 拒绝并不再提示
    await showDialog(
      context: context,
      barrierDismissible: false,
      builder: (BuildContext context) {
        return AlertDialog(
          title: const Text("权限提示"),
          content: const Text("储存权限被永久拒绝，并且不再提示。请前往设置页面同意储存权限"),
          actions: [
            MaterialButton(
              color: Colors.green.shade900,
              child: const Text("退出APP", style: TextStyle(color: Colors.white)),
              onPressed: () => Navigator.of(context).pop(false),
            ),
            MaterialButton(
              color: Colors.green.shade900,
              child: const Text("确定", style: TextStyle(color: Colors.white)),
              onPressed: () => Navigator.of(context).pop(true),
            ),
          ],
        );
      },
    );

    await openAppSettings();
    return false;
  }
}