import 'dart:io';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:huixiang/view_widget/request_permission.dart';
import 'package:permission_handler/permission_handler.dart';

class PermissionSettingPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _PermissionSettingPage();
  }
}

class _PermissionSettingPage extends State<PermissionSettingPage> {
  @override
  void initState() {
    super.initState();

    queryPermission();
  }

  List<String> title = [
    S.current.dingwei,
    S.current.tongzhi,
    S.current.xiangji,
    S.current.cunchu,
  ];

  List<String> icons = [
    "assets/image/icon_permission_location.webp",
    "assets/image/icon_permission_notices.webp",
    "assets/image/icon_permission_camera.webp",
    "assets/image/icon_permission_storage.webp",
  ];

  List<String> contents = [
    S.current.weizhitishixinxi,
    S.current.tongzhitishixinxi,
    S.current.xiangjitishixinxi,
    S.current.cunchutishixinxi,
  ];

  List<String> tipIcons = [
    "assets/image/icon_location_permission_tips.webp",
    "assets/image/icon_natification_permission_tips.webp",
    "assets/image/icon_camera_permission_tips.webp",
    "assets/image/icon_storage_permission_tips.webp",
  ];

  List<String> titleTips = [
    S.current.nindingweiquanxianweiyunxu,
    S.current.ninxiaoxiquanxianweikaiqi,
    S.current.ninxiangjiquanxianweikaiqi,
    S.current.nincunchuquanxianweikaiqi,
  ];

  List<String> contentTips = [
    S.current.weilexiangnintuijianfujindemendianxinxi,
    S.current.weilejishishoudaohuodongxiaoxi,
    S.current.weilekaipaizhaoxuanzhetouxiang,
    S.current.weilexuanzhezhaopianhuancun,
  ];

  Map<Permission, bool> permissionSwitch = {};

  List<Permission> permissions = [
    Permission.location,
    Permission.notification,
    Permission.camera,
    Permission.storage,
  ];

  queryPermission() async {
    await permissions.forEach((element) async {
      if (await element.isGranted) {
        permissionSwitch[element] = true;
      }
    });
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: MyAppBar(
        title: S.of(context).quanxianshezhi,
        titleColor: Colors.black,
        background: Color(0xFFF7F7F7),
        leadingColor: Colors.black,
      ),
      body: Container(
        child: ListView.builder(
          itemCount: permissions.length,
          itemBuilder: (context, position) {
            return InkWell(
              onTap: () {
                openPermission(permissions[position], position);
              },
              child: buildPermissionItem(title[position], icons[position],
                  contents[position], permissions[position], position),
            );
          },
        ),
      ),
    );
  }

  openPermission(Permission permission, int position) async {
    if ((permissionSwitch.containsKey(permission) &&
        permissionSwitch[permission])) {
      openAppSettings();
      return;
    }
    if (await permission.isPermanentlyDenied) {
      requestDialog(position);
    } else if (await permission.isDenied) {
      await permission.request();
      queryPermission();
    } else {
      if (Platform.isIOS) {
        //去设置中心
        requestDialog(position);
      } else {
        if (permission == Permission.notification) {
          requestDialog(position);
        } else {
          await permission.request();
          queryPermission();
        }
      }
    }
  }

  requestDialog(int position) {
    showCupertinoDialog(
      context: context,
      builder: (context) {
        return RequestPermission(
          tipIcons[position],
          titleTips[position],
          contentTips[position],
          S.of(context).kaiqiquanxian,
          (result) async {
            if (result) {
              await openAppSettings();
              queryPermission();
            }
          },
          heightRatioWithWidth: 0.82,
        );
      },
    );
  }

  Widget buildPermissionItem(
      title, icon, content, Permission permission, int position) {
    return Container(
      margin: EdgeInsets.fromLTRB(16.w, 8.h, 16.w, 8.h),
      padding: EdgeInsets.fromLTRB(20.w, 16.h, 20.w, 16.h),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(8.w),
        boxShadow: [
          BoxShadow(
            color: Colors.black.withAlpha(12),
            offset: Offset(0, 3),
            blurRadius: 14,
            spreadRadius: 0,
          )
        ],
      ),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Expanded(
            child: Column(
              children: [
                Row(
                  children: [
                    Text(
                      title,
                      style: TextStyle(
                          color: Colors.black,
                          fontSize: 16.sp,
                          fontWeight: FontWeight.bold),
                    ),
                    SizedBox(
                      width: 8.w,
                    ),
                    Image.asset(
                      icon,
                      width: 22.w,
                      height: 22.h,
                    ),
                  ],
                ),
                SizedBox(
                  height: 8.h,
                ),
                Text(
                  content,
                  overflow: TextOverflow.ellipsis,
                  maxLines: 2,
                  style: TextStyle(
                    color: Color(0xFF353535),
                    fontSize: 12.sp,
                  ),
                ),
              ],
            ),
          ),
          SizedBox(
            width: 32.w,
          ),
          CupertinoSwitch(
            value: (permissionSwitch.containsKey(permission) &&
                permissionSwitch[permission]),
            onChanged: (boo) {
              if (boo) {
                requestDialog(position);
              } else {
                openPermission(permission, position);
              }
            },
          ),
        ],
      ),
    );
  }
}