import 'dart:io';

import 'package:android_intent_plus/android_intent.dart';
import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_baidu_mapapi_base/flutter_baidu_mapapi_base.dart';
import 'package:flutter_baidu_mapapi_utils/flutter_baidu_mapapi_utils.dart';
import 'package:flutter_bmflocation/bdmap_location_flutter_plugin.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/store.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/view_widget/icon_text.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:huixiang/view_widget/request_permission.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class StoreSelectorPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _StoreSelectorPage();
  }
}

class _StoreSelectorPage extends State<StoreSelectorPage> {
  ApiService apiService;

  LocationFlutterPlugin aMapFlutterLocation;

  @override
  void dispose() {
    super.dispose();
    aMapFlutterLocation.stopLocation();
  }

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

    SharedPreferences.getInstance().then((value) {
      apiService =
          ApiService(Dio(), context: context, token: value.getString('token'));
    });

    if (aMapFlutterLocation == null) {
      aMapFlutterLocation = LocationFlutterPlugin();
      aMapFlutterLocation.onResultCallback().listen((event) {
        if (event != null &&
            event["latitude"] != null &&
            event["longitude"] != null) {
          print("location: $event");
          aMapFlutterLocation.stopLocation();
          if (event["latitude"] is String && event["longitude"] is String) {
            latLng = BMFCoordinate(double.tryParse(event["latitude"]),
                double.tryParse(event["longitude"]));
          } else {
            latLng = BMFCoordinate(event["latitude"], event["longitude"]);
          }
          BMFCalculateUtils.coordConvert(
                  coordinate: latLng,
                  fromType: BMF_COORD_TYPE.COMMON,
                  toType: BMF_COORD_TYPE.BD09LL)
              .then((value) {
            this.latLng = value;
            saveLatLng(
                value, event["province"], event["city"], event["district"]);
            queryStore("${value.latitude}", "${value.longitude}",
                event["province"], event["city"], event["district"]);
          });
        }
      });
    }

    aMapFlutterLocation.prepareLoc({
      "coorType": "bd09ll",
      "isNeedAddres": false,
      "isNeedAltitude": false,
      "isNeedLocationPoiList": false,
      "isNeedLocationDescribe": false,
      "isNeedNewVersionRgc": false,
      "scanspan": 0,
      "openGps": true,
      "locationMode": 2,
    }, {
      "locationMode": "kCLLocationAccuracyBest",
      "locationTimeout": 10,
      "reGeocodeTimeout": 10,
      "activityType": "CLActivityTypeAutomotiveNavigation",
      "BMKLocationCoordinateType": "BMKLocationCoordinateTypeBMK09LL",
      "BMKLocationCoordinateType": "BMKLocationCoordinateTypeBMK09LL",
      "isNeedNewVersionRgc": false,
    });

    startLocation();
  }

  saveLatLng(BMFCoordinate latLng, province, city, district) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString("latitude", "${latLng.latitude}");
    await prefs.setString("longitude", "${latLng.longitude}");
    await prefs.setString("province", province ?? "");
    await prefs.setString("city", city ?? "");
    await prefs.setString("district", district ?? "");
  }

  List<Store> storeList;
  BMFCoordinate latLng;

  startLocation() async {
    if (!(await Permission.locationWhenInUse.serviceStatus.isEnabled)) {
      enableLocation();
      return;
    }

    if (await Permission.location.isPermanentlyDenied) {
      requestDialog();
    } else if (await Permission.location.isGranted) {
      EasyLoading.show(status: S.of(context).zhengzaijiazai);
      aMapFlutterLocation.startLocation();
      Future.delayed(Duration(seconds: 6), () {
        EasyLoading.dismiss();
      });
    } else if (await Permission.location.isUndetermined) {
      await Permission.location.request();
    } else {
      if (Platform.isIOS) {
        //去设置中心
        requestDialog();
      } else {
        await Permission.location.request();
      }
    }
  }

  enableLocation() {
    showCupertinoDialog(
      context: context,
      builder: (context) {
        return RequestPermission(
          "assets/image/icon_permission_location_bg.webp",
          S.of(context).nindingweigongnengweikaiqi,
          S.of(context).weilexiangnintuijianfujindemendianxinxi,
          S.of(context).dakaidingwei,
          (result) async {
            if (result) {
              final AndroidIntent intent = AndroidIntent(
                  action: 'action_location_source_settings',
                  package: "com.zsw.huixiang");
              await intent.launch();
              // startLocation();
            }
          },
          heightRatioWithWidth: 0.82,
        );
      },
    );
  }

  requestDialog() {
    showCupertinoDialog(
        context: context,
        builder: (context) {
          return RequestPermission(
            "assets/image/icon_permission_location_bg.webp",
            S.of(context).nindingweiquanxianweiyunxu,
            S.of(context).weilexiangnintuijianfujindemendianxinxi,
            S.of(context).kaiqiquanxian,
            (result) async {
              if (result) {
                await openAppSettings();
                if (await Permission.location.isGranted) {
                  startLocation();
                }
              }
            },
            heightRatioWithWidth: 0.82,
          );
        });
  }

  getLatLng() async {
    SharedPreferences.getInstance().then(
      (value) => {
        if (value.containsKey("latitude") &&
            value.containsKey("longitude") &&
            value.containsKey("province") &&
            value.containsKey("city") &&
            value.containsKey("district"))
          {
            latLng = BMFCoordinate(double.tryParse(value.getString("latitude")),
                double.tryParse(value.getString("longitude"))),
            queryStore(
              value.getString("latitude"),
              value.getString("longitude"),
              value.getString("province"),
              value.getString("city"),
              value.getString("district"),
            ),
          }
        else
          {
            queryStore("", "", "", "", ""),
          }
      },
    );
  }

  queryStore(latitude, longitude, province, city, district) async {
    BaseData<List<Store>> baseData = await apiService.queryStore({
      "city": "",
      "district": "",
      "latitude": latitude,
      "longitude": longitude,
      "province": "",
      "searchKey": ""
    });
    if (baseData != null && baseData.isSuccess) {
      storeList = baseData.data;
      if (mounted) setState(() {});
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: MyAppBar(
        title: S.of(context).mendianxuanzhe,
        titleColor: Colors.black,
        titleSize: 18.sp,
        background: Color(0xFFFAFAFA),
        leadingColor: Colors.black,
      ),
      body: Container(
        margin: EdgeInsets.only(top: 18.h),
        child: Column(
          children: [
            Expanded(
              child: ListView.builder(
                  itemCount: storeList != null ? storeList.length : 0,
                  physics: BouncingScrollPhysics(),
                  itemBuilder: (context, position) {
                    return GestureDetector(
                      onTap: () {
                        setState(() {
                          groupValue = position;
                        });
                      },
                      child: buildStoreItem(storeList[position], position),
                    );
                  }),
            ),
            InkWell(
              onTap: () {
                if (groupValue == null) {
                  SmartDialog.showToast(S.of(context).qingxuanzeyigemendian,
                      alignment: Alignment.center);
                  return;
                }
                Store store = storeList[groupValue];
                Navigator.of(context).pop({
                  "id": store.id,
                  "address": store.address,
                });
              },
              child: Container(
                padding: EdgeInsets.only(top: 16.h, bottom: 16.h),
                decoration: BoxDecoration(
                  color: Color(0xFF32A060),
                  borderRadius: BorderRadius.only(
                    topLeft: Radius.circular(4),
                    topRight: Radius.circular(4),
                  ),
                ),
                alignment: Alignment.center,
                child: Text(
                  S.of(context).queren,
                  style: TextStyle(
                    fontSize: 16.sp,
                    color: Color(0xFFFFFFFF),
                    fontWeight: MyFontWeight.semi_bold,
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget buildStoreItem(Store store, position) {
    return Container(
      margin: EdgeInsets.only(left: 16.w, right: 16.w, top: 8.h, bottom: 8.h),
      padding: EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: Colors.white,
        boxShadow: [
          BoxShadow(
            color: Colors.black.withAlpha(12),
            offset: Offset(0, 3),
            blurRadius: 14,
            spreadRadius: 0,
          )
        ],
        borderRadius: BorderRadius.circular(8),
      ),
      child: Row(
        children: [
          Expanded(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.start,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  store.storeName,
                  style: TextStyle(
                    fontSize: 16.sp,
                    fontWeight: MyFontWeight.semi_bold,
                    color: Color(0xFF353535),
                  ),
                ),
                SizedBox(
                  height: 12.h,
                ),
                IconText(
                  store.address,
                  isMax: true,
                  textAxisAlignment: CrossAxisAlignment.start,
                  textStyle: TextStyle(
                    color: Color(0xFF353535),
                    fontSize: 14.sp,
                  ),
                  leftIcon: Icons.location_on,
                  iconColor: Color(0xFF32A060),
                  iconSize: 16,
                ),
                SizedBox(
                  height: 4.h,
                ),
                IconText(
                  (store.openStartTime == null && store.openEndTime == null)
                      ? S.of(context).quantian
                      : "${store.openStartTime}-${store.openEndTime}",
                  textStyle: TextStyle(
                    color: Color(0xFF353535),
                    fontSize: 14.sp,
                  ),
                  leftIcon: Icons.access_time,
                  iconColor: Color(0xFF32A060),
                  iconSize: 16,
                ),
              ],
            ),
          ),
          Radio(
            value: position,
            groupValue: groupValue,
            activeColor: Colors.green,
            onChanged: (value) {
              setState(() {
                groupValue = value;
              });
            },
          )
        ],
      ),
    );
  }

  int groupValue = 0;
}