import 'dart:io';

import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:geolocator/geolocator.dart';
import 'package:huixiang/data/address.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/utils/location.dart';
import 'package:huixiang/utils/shared_preference.dart';
import 'package:huixiang/view_widget/request_permission.dart';
import 'package:permission_handler/permission_handler.dart' as PH;


class AddressMapPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _AddressMapPage();
  }
}

class _AddressMapPage extends State<AddressMapPage> {
  // //加载自定义地图样式
  // void _loadCustomData() async {
  //   setState(() {
  //     _mapController?.setCustomMapStyle('assets/map_style/chatian.sty', 0);
  //   });
  // }

  // LocationFlutterPlugin? aMapFlutterLocation;
  String city = "武汉市";
  String keyWord = "";

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

  ApiService? apiService;

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

    apiService = ApiService(
      Dio(),
      context: context,
      token: SharedInstance.instance.token,
    );

    LocationInstance.instance.startLocation(context, (Position? result) {
      print("event: $result");
      if (result?.latitude != null && result?.longitude != null) {
        latLng = Position(
            latitude: result!.latitude,
            longitude: result.longitude,
            timestamp: DateTime.now(),
            accuracy: 0,
            altitude: 0,
            heading: 0,
            speed: 0,
            speedAccuracy: 0);
        LocationInstance.instance.getAddress(result.latitude, result.longitude)?.then((value) {
          if (value != null) {
            city = value.city ?? "";
          }
        });
        saveLatLng(result);
        searchPoi(latLng);
      }
    });
    startLocation();
  }

  Position? center;
  List<Address>? poiList;

  searchPoi(Position? latLng) async {
    keyWord = textEditingController.text;
    print("keyWord: ${keyWord}");
    var addressPoi = await apiService?.searchPoi(
        "${latLng?.latitude}", "${latLng?.longitude}", keyWord, 20, 1);
    //如果定位列表无法显示,可以考虑数据是否不在当前字段里面;例:原数据放在['pois']里面,后改成了数据放在['entrances']里面
    List<dynamic> poi = addressPoi['pois'] ?? addressPoi['entrances'];
    poiList = poi
        .map((e) => Address.fromJson({
              "address": e["address"] is List ? "" : e["address"],
              "area": e["adname"],
              "city": e["cityname"],
              "province": e["pname"],
              "latitude": e["location"].toString().split(",")[0],
              "longitude": e["location"].toString().split(",")[1],
              "cityInfo": e["name"],
              "id": "",
              "mid": "",
              "phone": "",
              "tag": "",
              "username": "",
              "isDefault": true,
            }))
        .toList();
    setState(() {});

    // BMFPoiNearbySearch bmfPoiNearbySearch = BMFPoiNearbySearch();
    // bmfPoiNearbySearch.onGetPoiNearbySearchResult(
    //     callback: (BMFPoiSearchResult result, BMFSearchErrorCode errorCode) {
    //   // if ((DateTime.now().millisecondsSinceEpoch - time) > 2000) {
    //     result.poiInfoList.map((e) => print("sssssssssss:${e.toMap()}"));
    //     poiList = result.poiInfoList;
    //     print("object112221: ${poiList.length}");
    //     setState(() {
    //       time = DateTime.now().millisecondsSinceEpoch;
    //     });
    //   // }
    // });
    // bmfPoiNearbySearch.poiNearbySearch(BMFPoiNearbySearchOption(
    //   keywords: [" "],
    //   tags: ["小区","住宅","地标","建筑"],
    //   radius: 100000,
    //   location: latLng,
    //   pageSize: 20,
    //   pageIndex: 0,
    //   isRadiusLimit: true,
    // ));
  }

  int time = 0;

  startLocation() async {
    if (!(await PH.Permission.locationWhenInUse.serviceStatus.isEnabled)) {
      enableLocation();
      return;
    }
    if (await PH.Permission.location.isPermanentlyDenied) {
      requestDialog();
    } else if (await PH.Permission.location.isGranted) {
      // S.current.zhengzaijiazai.loading;
      center = await Geolocator.getCurrentPosition();
      Future.delayed(Duration(seconds: 6), () {
        SmartDialog.dismiss();
      });
    }
    // else if (await PH.Permission.location.) {
    //   await PH.Permission.location.request();
    // }
    else {
      if (Platform.isIOS) {
        //去设置中心
        requestDialog();
      } else {
        await PH.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();
              Geolocator.openLocationSettings();
            }
          },
          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 PH.openAppSettings();
                if (await PH.Permission.location.isGranted) {
                  startLocation();
                }
              }
            },
            heightRatioWithWidth: 0.82,
          );
        },
    );
  }

  Position? latLng;

  saveLatLng(Position? latLng) async {
    SharedInstance.instance.saveLatLng(latLng);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        children: [
          searchWidget(),
          Expanded(
            child: Container(
              child: ListView.separated(
                padding: EdgeInsets.symmetric(vertical: 0),
                itemCount: poiList?.length ?? 0,
                itemBuilder: (context, position) {
                  return InkWell(
                    onTap: () {
                      Navigator.of(context).pop(poiList![position].toJson());
                    },
                    child: addressItem(poiList![position]),
                  );
                },
                separatorBuilder: (context, position) {
                  return Container(
                    height: 1,
                    margin: EdgeInsets.symmetric(horizontal: 16.w),
                    color: Color(0xFFF1F1F1),
                  );
                },
              ),
            ),
            flex: 1,
          )
        ],
      ),
    );
  }

  Widget addressItem(Address address) {
    return Container(
      margin: EdgeInsets.symmetric(vertical: 16.h, horizontal: 16.w),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(
            address.cityInfo ?? "",
            overflow: TextOverflow.ellipsis,
            style: TextStyle(
              fontSize: 16.sp,
              fontWeight: FontWeight.bold,
              color: Colors.black,
            ),
          ),
          SizedBox(
            height: 4.h,
          ),
          Text(
            "${address.province}${address.city}${address.area}${address.addressStr}",
            overflow: TextOverflow.ellipsis,
            style: TextStyle(
              color: Color(0xFF4C4C4C),
              fontSize: 14.sp,
            ),
          ),
        ],
      ),
    );
  }

  TextEditingController textEditingController = TextEditingController();

  Widget searchWidget() {
    return Container(
      height: 36.h,
      margin: EdgeInsets.fromLTRB(16, 48, 16, 8),
      padding: EdgeInsets.fromLTRB(10, 6, 16, 6),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.all(
          Radius.circular(4),
        ),
        boxShadow: [
          BoxShadow(
            color: Colors.black.withAlpha(12),
            offset: Offset(0, 3),
            blurRadius: 14,
            spreadRadius: 0,
          ),
        ],
      ),
      child: Row(
        mainAxisSize: MainAxisSize.max,
        children: [
          Icon(
            Icons.search,
            size: 24,
            color: Colors.black,
          ),
          Expanded(
            child: TextField(
              controller: textEditingController,
              textInputAction: TextInputAction.search,
              onEditingComplete: () {
                FocusScope.of(context).requestFocus(FocusNode());
                searchPoi(center);
              },
              decoration: InputDecoration(border: InputBorder.none),
            ),
          ),
          InkWell(
            onTap: () {
              textEditingController.clear();
            },
            child: Icon(
              Icons.close,
              size: 19,
              color: Colors.grey,
            ),
          ),
        ],
      ),
    );
  }
}