import 'dart:async';
import 'dart:io';

import 'package:amap_flutter_base/amap_flutter_base.dart';
import 'package:amap_flutter_location/amap_flutter_location.dart';
import 'package:amap_flutter_location/amap_location_option.dart';
import 'package:amap_flutter_map/amap_flutter_map.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:star_lock/mine/addLock/lockAddress/gaode/lockAddressGaoDe_state.dart';
import 'package:star_lock/widget/permission/permission_dialog.dart';

import '../../../../appRouters.dart';
import '../../../../app_settings/app_colors.dart';
import '../../../../blue/blue_manage.dart';
import '../../../../flavors.dart';
import '../../../../tools/appRouteObserver.dart';
import '../../../../tools/titleAppBar.dart';
import 'lockAddressGaoDe_logic.dart';

class LockAddressGaoDePage extends StatefulWidget {
  const LockAddressGaoDePage({Key? key}) : super(key: key);

  @override
  State<LockAddressGaoDePage> createState() => _LockAddressGaoDePageState();
}

class _LockAddressGaoDePageState extends State<LockAddressGaoDePage>
    with RouteAware {
  final LockAddressGaoDeLogic logic = Get.put(LockAddressGaoDeLogic());
  final LockAddressGaoDeState state = Get.find<LockAddressGaoDeLogic>().state;

  // 高德地图
  static AMapApiKey amapApiKeys =
      AMapApiKey(iosKey: F.aMapKey.iosKey, androidKey: F.aMapKey.androidKey);

  AMapController? mapController;
  AMapFlutterLocation location = AMapFlutterLocation();

  PermissionStatus? permissionStatus;
  Map<String, Object>? addressInfo;

  @override
  void initState() {
    super.initState();
    AMapFlutterLocation.updatePrivacyAgree(true);
    AMapFlutterLocation.updatePrivacyShow(true, true);
    AMapFlutterLocation.setApiKey(F.aMapKey.androidKey, F.aMapKey.iosKey);
    requestPermission();
  }

  // Future<void> requestPermission() async {
  //   final status = await Permission.location.request();
  //   AppLog.log("Permission.location.request()=status:$status");
  //   permissionStatus = status;
  //   if(Platform.isIOS){
  //     _setLocationOption();
  //     requestIOSLocation();
  //   }
  //   switch (status) {
  //     case PermissionStatus.denied:
  //     // AppLog.log("拒绝");
  //       break;
  //     case PermissionStatus.granted:
  //       if(Platform.isIOS){
  //         // _setLocationOption();
  //         // requestIOSLocation();
  //       }else{
  //         requestAndroidLocation();
  //         location.startLocation();
  //       }
  //       break;
  //     case PermissionStatus.limited:
  //     // AppLog.log("限制");
  //       break;
  //     case PermissionStatus.permanentlyDenied:
  //     // AppLog.log("永久的否认");
  //       break;
  //     case PermissionStatus.provisional:
  //     // AppLog.log("临时");
  //       break;
  //     default:
  //     // AppLog.log("其他状态");
  //     // requestLocation();
  //       break;
  //   }
  // }

  Future<void> requestPermission() async {
    final bool status = await PermissionDialog.request(Permission.location);
    if(Platform.isIOS){
      _setLocationOption();
      requestIOSLocation();
    }

    if (!Platform.isIOS || status) {
      requestAndroidLocation();
      location.startLocation();
    }
  }

  Future<void> requestAndroidLocation() async {
    location.onLocationChanged().listen((Map<String, Object> event) {
      if (event.isNotEmpty) {
        setState(() {
          addressInfo = event;
        });
        location.stopLocation();
      }
    });
  }

  Future<void> requestIOSLocation() async {
    location = AMapFlutterLocation()
      ..setLocationOption(AMapLocationOption())
      ..onLocationChanged().listen((Map<String, Object> event) {
        // AppLog.log("listenLocationChanged$event");
        // EasyLoading.dismiss();
        if (event.isNotEmpty) {
          setState(() {
            addressInfo = event;
          });
          // location.stopLocation();
        }
      })
      ..startLocation();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: TitleAppBar(
        barTitle: '锁地址'.tr,
        haveBack: true,
        backgroundColor: AppColors.mainColor,
      ),
      body: ListView(
        children: <Widget>[
          Container(
            margin: EdgeInsets.only(left: 25.w, top: 40.h, bottom: 40.w),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.start,
              children: <Widget>[
                Text('地理位置'.tr, style: TextStyle(fontSize: 50.sp)),
              ],
            ),
          ),
          SizedBox(
            child: (addressInfo != null && addressInfo!.containsKey('latitude'))
                ? Column(
                    children: <Widget>[
                      SizedBox(
                        height: 1.sw / 5 * 4,
                        width: 1.sw,
                        child: AMapWidget(
                          apiKey: amapApiKeys,
                          // 初始化地图中心
                          initialCameraPosition: CameraPosition(
                            target: LatLng(
                                double.parse(
                                    addressInfo!['latitude'].toString()),
                                double.parse(
                                    addressInfo!['longitude'].toString())),
                            zoom: 10.0,
                          ),
                          //定位小蓝点
                          myLocationStyleOptions: MyLocationStyleOptions(
                            true,
                          ),
                          // 普通地图normal,卫星地图satellite,夜间视图night,导航视图 navi,公交视图bus,
                          mapType: MapType.normal,
                          // 缩放级别范围
                          minMaxZoomPreference:
                              const MinMaxZoomPreference(3, 20),
                          // 隐私政策包含高德 必须填写
                          privacyStatement: const AMapPrivacyStatement(
                              hasAgree: true, hasContains: true, hasShow: true),
                          // 地图创建成功时返回AMapController
                          onMapCreated: (AMapController controller) {
                            mapController = controller;
                          },
                        ),
                      ),
                      Container(
                        // color: Colors.red,
                        margin:
                            EdgeInsets.only(left: 25.w, top: 20.h, right: 25.w),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.start,
                          children: <Widget>[
                            Flexible(
                                child: Text('检查以确保以下地址是正确的'.tr,
                                    style: TextStyle(fontSize: 24.sp))),
                          ],
                        ),
                      ),
                      // SizedBox(height: 20.h),
                      Container(
                          // color: Colors.red,
                          // height: 45.h,
                          margin: EdgeInsets.only(
                              left: 25.w, top: 20.h, right: 25.w),
                          child: Column(
                            children: <Widget>[
                              Row(
                                children: <Widget>[
                                  Expanded(
                                      child: Text(
                                          addressInfo!['address'].toString() ??
                                              '',
                                          style: const TextStyle(
                                              color: Colors.grey,
                                              fontSize: 16,
                                              fontWeight: FontWeight.w500,
                                              overflow: TextOverflow.clip))),
                                ],
                              ),
                              SizedBox(height: 5.h),
                              Container(
                                height: 1.h,
                                color: AppColors.mainColor,
                              ),
                            ],
                          )),
                    ],
                  )
                : SizedBox(
                    height: 1.sw / 5 * 4 + 65.h * 2,
                    child: Center(child: Text('地图加载中，请稍候。。。'.tr))),
          ),
          SizedBox(height: 200.h),
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceAround,
            children: <Widget>[
              TextButton(
                child: Text(
                  '跳过'.tr,
                  style: TextStyle(color: Colors.black, fontSize: 24.sp),
                ),
                onPressed: () {
                  Get.toNamed(Routers.addLockSelectCountryPage, arguments: <String, Object>{
                    'addressInfo': {},
                    'pwdTimestamp': state.pwdTimestamp.value,
                    'lockInfo': state.lockInfo,
                    'featureValue': state.featureValue,
                    'featureSettingValue': state.featureSettingValue,
                    'featureSettingParams': state.featureSettingParams,
                  });
                },
              ),
              TextButton(
                child: Text(
                  '下一步'.tr,
                  style: TextStyle(color: Colors.black, fontSize: 24.sp),
                ),
                onPressed: () {
                  if (addressInfo!.isEmpty) {
                    logic.showToast('还未获取到位置信息哦，请耐心等待一下！'.tr);
                    return;
                  }
                  Get.toNamed(Routers.saveLockPage, arguments: <String, Object?>{
                    'addressInfo': addressInfo,
                    'pwdTimestamp': state.pwdTimestamp.value,
                    'lockInfo': state.lockInfo,
                    'featureValue': state.featureValue,
                    'featureSettingValue': state.featureSettingValue,
                    'featureSettingParams': state.featureSettingParams,
                    'isFromMap': 1,
                  });
                  // Navigator.pushNamed(context, Routers.saveLockPage);
                },
              ),
            ],
          )
        ],
      ),
    );
  }

  ///设置定位参数
  void _setLocationOption() {
    AMapLocationOption locationOption = AMapLocationOption();

    ///是否单次定位
    locationOption.onceLocation = true;

    ///是否需要返回逆地理信息
    locationOption.needAddress = true;

    ///逆地理信息的语言类型
    locationOption.geoLanguage = GeoLanguage.DEFAULT;

    locationOption.desiredLocationAccuracyAuthorizationMode =
        AMapLocationAccuracyAuthorizationMode.ReduceAccuracy;

    locationOption.fullAccuracyPurposeKey = 'AMapLocationScene';

    ///设置Android端连续定位的定位间隔
    locationOption.locationInterval = 2000;

    ///设置Android端的定位模式<br>
    ///可选值：<br>
    ///<li>[AMapLocationMode.Battery_Saving]</li>
    ///<li>[AMapLocationMode.Device_Sensors]</li>
    ///<li>[AMapLocationMode.Hight_Accuracy]</li>
    locationOption.locationMode = AMapLocationMode.Battery_Saving;

    ///设置iOS端的定位最小更新距离<br>
    locationOption.distanceFilter = -1;

    ///设置iOS端期望的定位精度
    /// 可选值：<br>
    /// <li>[DesiredAccuracy.Best] 最高精度</li>
    /// <li>[DesiredAccuracy.BestForNavigation] 适用于导航场景的高精度 </li>
    /// <li>[DesiredAccuracy.NearestTenMeters] 10米 </li>
    /// <li>[DesiredAccuracy.Kilometer] 1000米</li>
    /// <li>[DesiredAccuracy.ThreeKilometers] 3000米</li>
    locationOption.desiredAccuracy = DesiredAccuracy.BestForNavigation;

    ///设置iOS端是否允许系统暂停定位
    locationOption.pausesLocationUpdatesAutomatically = false;

    ///将定位参数设置给定位插件
    location.setLocationOption(locationOption);
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();

    /// 路由订阅
    AppRouteObserver().routeObserver.subscribe(this, ModalRoute.of(context)!);
  }

  @override
  void dispose() {
    AppRouteObserver().routeObserver.unsubscribe(this);
    super.dispose();

    BlueManage().disconnect();

    location.stopLocation();
    location.destroy();
  }

  /// 从上级界面进入 当前界面即将出现
  @override
  void didPush() {
    super.didPush();
  }

  /// 返回上一个界面 当前界面即将消失
  @override
  void didPop() {
    super.didPop();
  }

  /// 从下级返回 当前界面即将出现
  @override
  void didPopNext() {
    super.didPopNext();
  }

  /// 进入下级界面 当前界面即将消失
  @override
  void didPushNext() {
    super.didPushNext();

    location.stopLocation();
    location.destroy();
  }
}