import 'dart:async';
import 'dart:io';
import 'package:amap_location_flutter_plugin/amap_location_flutter_plugin.dart';
import 'package:amap_location_flutter_plugin/amap_location_option.dart';
import 'package:flutter/material.dart';
import 'package:liftmanager/net/api_service.dart';
import 'package:liftmanager/utils/toast.dart';
import 'package:liftmanager/widgets/app_bar.dart';
import 'package:liftmanager/routers/fluro_navigator.dart';
import 'package:liftmanager/widgets/selected_video_change.dart';
import 'package:image_picker/image_picker.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:liftmanager/internal/wode/wode_router.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:liftmanager/utils/theme_utils.dart';
import 'package:liftmanager/utils/url.dart';
import 'package:liftmanager/utils/utils.dart';
import 'package:video_player/video_player.dart';
import 'package:chewie/chewie.dart';
import 'package:flutter/services.dart';
import 'package:orientation/orientation.dart';
import 'package:liftmanager/utils/fast_notification.dart';
import 'package:liftmanager/utils/oss_upload.dart';

class Punchin extends StatefulWidget {
  Punchin(this.id);

  final String id;

  @override
  State<StatefulWidget> createState() {
    return PunchinState();
  }
}

class PunchinState extends State<Punchin> {
  String videoUrl;
  String str;
  String imagesUrl;
  double percent = 0.0;

  Map<String, Object> _locationResult;
  StreamSubscription<Map<String, Object>> _locationListener;
  AmapLocationFlutterPlugin _locationPlugin = new AmapLocationFlutterPlugin();
  var latitude;
  var longitude;
  String address;

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

    ///移除定位监听
    if (null != _locationListener) {
      _locationListener.cancel();
    }

    ///销毁定位
    if (null != _locationPlugin) {
      _locationPlugin.destroy();
    }

    _locationListener = _locationPlugin
        .onLocationChanged()
        .listen((Map<String, Object> result) {
      setState(() {
        _locationPlugin.stopLocation();
        _locationResult = result;
//        address latitude longitude
       latitude = _locationResult["latitude"];
       longitude = _locationResult["longitude"];
       address = _locationResult["address"];
      });
    });

    initGetLocation();

  }

  void _setLocationOption() {
    if (null != _locationPlugin) {
      AMapLocationOption locationOption = new 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;

      ///设置Android端连续定位的定位间隔
      locationOption.locationInterval = 20000;
      ///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.Hight_Accuracy;

      ///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.NearestTenMeters;
      ///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
      _locationPlugin.setLocationOption(locationOption);
    }
  }

  VideoPlayerController _controller;
  VideoPlayerController _controllerFile;
  ///选择图片
  void selectPicker() {
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return SimpleDialog(
          title: Text("选择方式"),
          children: ["拍照", '从手机相册选择'].map((String value) {
            print("$value");
            return SimpleDialogOption(
              child: Text(
                "${value}",
                style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500),
              ),
              onPressed: () {
                _getImage(value == '拍照' ? 1 : 0);
                Navigator.of(context).pop();
              },
            );
          }).toList(),
        );
      },
    );
  }

  void _getImage(int key) async {
    print(key);
    print(333);
    try {
      await ImagePicker.pickVideo(
        source: key == 1 ? ImageSource.camera : ImageSource.gallery,
      )
      .then((File f) async{
        if (f != null) {
        _controllerFile = VideoPlayerController.file(f);
        _controllerFile.initialize().then((val){
          _controllerFile.setLooping(true);
          int seconds = _controllerFile.value.duration.inSeconds;
          print("视频时长：$seconds");
          int fileSize=f.lengthSync();//单位B
          print("视频大小：${fileSize}");
          print("视频大小：${f.path}");
          if (seconds <= 300) {
            _uploadImage(f.path);
            // upLoadFileOnce(_imageFile.path);
            // setState(() {});
          }else {
            toasts("视频时长不能大于5分钟！");
          }
        });}
      })
      ;
      
    } catch (e) {
      toasts("没有权限，无法打开相册！");
    }
  }

  upLoadFileOnce(path) {
    showLoading(context, "正在上传...");
    NewApiService().upload(path, onSuccess: (res) {
      dismissLoading(context);
      setState(() {
        videoUrl = res.pathUrl;
        imagesUrl = res.coverUrl;
      });
    }, onError: (code, msg) {
      dismissLoading(context);
      toasts(msg);
    });
  }

  void _uploadImage(filePath) async {
    showPercent(context, (){
      dismissLoading(context);
      toasts("上传失败");
    },(){
      if(videoUrl == null && str != null){
        setState(() {
            videoUrl = str;
            print("videoUrl:"+videoUrl);
            dismissLoading(context);
            toasts("上传成功");
          });
      }
    });
    String uploadName = OssUtil.instance.getImageUploadName(filePath);
    await NewApiService.uploadImage(context, uploadName, filePath).then((data) {
      if (data.statusCode == 200) {
        str = NewApiUrl.URL_UPLOAD_IMAGE_OSS + "/" + uploadName;
        print("str:"+str);
        print(videoUrl);
        if(str != null){
          Map obj = {
            "uploadName":uploadName,
            "success":true
          };
          FastNotification.push("percent",obj);
        }
      }else {
        Map obj = {
            "uploadName":uploadName,
            "success":false
          };
        FastNotification.push("percent",obj);
      }
    }).catchError((data) {
      Map obj = {
            "uploadName":uploadName,
            "success":false
          };
      FastNotification.push("percent",obj);
    });
  }


  // 获取位置信息
  initGetLocation() async {
    
    if (await requestPermission()) {
      if (null != _locationPlugin) {
        ///开始定位之前设置定位参数
        _setLocationOption();
        _locationPlugin.startLocation();
        
      }
    }
  }

  // 获取定位权限
  Future<bool> requestPermission() async {
    final permissions = await PermissionHandler()
        .requestPermissions([PermissionGroup.location]);
    if (permissions[PermissionGroup.location] == PermissionStatus.granted) {
      return true;
    } else {
      toasts('需要定位权限!');
      return false;
    }
  }


  // 获取位置信息
  Future<void> getLocation() async {
    
    if (await requestPermission()) {
      if (null != _locationPlugin) {
        ///开始定位之前设置定位参数
        _setLocationOption();
        _locationPlugin.startLocation();
        if(longitude!=null && latitude!=null){
          if (videoUrl == null || videoUrl == '') {
            toasts("请上传视频");
            return;
          }
          showLoading(context);
          NewApiService().chargeToClock({
            "id": widget.id,
            "lng": longitude,
            "lat": latitude,
            "beforeRepair": videoUrl,
          }, onSuccess: (res) {
            dismissLoading(context);
            toasts("确认打卡成功");
            NavigatorUtils.push(context, "${WodeRouter.orderPageMaster}?checkType=0");
            setState(() {});
          }, onError: (code, msg) {
            dismissLoading(context);
            toasts(msg);
          });
        }
      }
    }
  }

  submitApply() {
    getLocation();
  }

  // 文本编辑控制
  GlobalKey _formKey = new GlobalKey<FormState>();

  @override
  void dispose() {
    _controller.pause();
    _controller.dispose();
    ///移除定位监听
    if (null != _locationListener) {
      _locationListener.cancel();
    }

    ///销毁定位
    if (null != _locationPlugin) {
      _locationPlugin.destroy();
    }
    // SystemChrome.setPreferredOrientations([
    //   DeviceOrientation.portraitUp,
    // ]);
    OrientationPlugin.forceOrientation(DeviceOrientation.portraitUp);
    super.dispose();
  }
  

  @override
  Widget build(BuildContext context) {
    double width = MediaQuery.of(context).size.width;
    double height = MediaQuery.of(context).size.height;
    if(width > height){
      // SystemChrome.setPreferredOrientations([
      //   DeviceOrientation.portraitUp,
      // ]);
      OrientationPlugin.forceOrientation(DeviceOrientation.portraitUp);
    }
    return Scaffold(
      resizeToAvoidBottomPadding: false, //不让键盘弹上去
      appBar: MyAppBar(
        centerTitle: "打卡",
      ),
      body: Container(
        child: ListView(
          children: <Widget>[
            Form(
              key: _formKey, //设置globalKey，用于后面获取FormState
              // autovalidate: true, //开启自动校验
              child: Column(
                children: <Widget>[
                  Container(
                width: width,
                padding: EdgeInsets.only(left:15,top:15,bottom:15),
                child: Text(
                                                        "(建议时长3分钟，建议大小50M)",
                                                        style: TextStyle(
                                                          color: Colors.red,
                                                            fontSize:
                                                                ScreenUtil()
                                                                    .setSp(14),
                                                            ),
                                                            textAlign: TextAlign.left,
                                                      ),
              ),
                  Container(
                    color: ThemeUtils.getDialogTextFieldColor(context),
                    child: GridView.builder(
                      shrinkWrap: true,
                      padding: const EdgeInsets.fromLTRB(8.0, 12, 8.0, 12.0),
                      physics: NeverScrollableScrollPhysics(),
                      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                          crossAxisCount: 1, childAspectRatio: 1.18),
                      itemCount: 1,
                      itemBuilder: (_, index) {
                        return Stack(
                          children: <Widget>[
                            Center(
                              child: SelectedVideo(
                                image: videoUrl,
                                index: index,
                                videoPlay:videoPlay(),
                                onTap: () {
                                  if(videoUrl == null){
                                    selectPicker();
                                  }
                                },
                              ),
                            ),
                            videoUrl != null
                                ? Positioned(
                                    top: 0,
                                    right: 0,
                                    child: GestureDetector(
                                      onTap: () {
                                        setState(() {
                                          videoUrl = null;
                                          str = null;
                                          _controller.pause();
                                          // player.reset();
                                        });
                                      },
                                      child: Icon(
                                        IconData(0xe62a, fontFamily: "myfont"),
                                        size: 24.0,
                                        color: Color(0xff999999),
                                      ),
                                    ),
                                  )
                                : Container(
                                    child: null,
                                  )
                          ],
                        );
                      },
                    ),
                  ),
                  Container(
                    width: width,
                    padding: EdgeInsets.all(15),
                    child: Text(
                      "当前打卡位置："+ (address??""),
                      textAlign: TextAlign.start,
                    ),
                  ),
                  Container(
                    height: ScreenUtil().setWidth(44),
                    decoration: BoxDecoration(
                      borderRadius:
                          BorderRadius.circular(ScreenUtil().setWidth(22)),
                      gradient: const LinearGradient(
                          colors: [Color(0xFF00D9FF), Color(0xFF0287FF)]),
                    ),
                    margin: EdgeInsets.all(20.0),
                    width: double.infinity,
                    child: FlatButton(
                      // padding: EdgeInsets.all(15.0),
                      child: Text("提交"),
                      // color: Theme
                      //     .of(context)
                      //     .primaryColor,
                      textColor: Colors.white,
                      onPressed: () {
                        /*
                        * 如果：context不对。可以使用GlobalKey，
                        * 通过_formKey.currentState 获取FormState后，
                        * 调用validate()方法校验用户名密码是否合法，校验
                        * 通过后再提交数据。 
                        */
                        if ((_formKey.currentState as FormState).validate()) {
                          submitApply();
                        }
                      },
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget videoPlay() {
    
    _controller = VideoPlayerController.network(
                                        Utils.getImagePath(videoUrl) 
                                        // imgFontUrl + detailObj.url
                                        );
    double width = MediaQuery.of(context).size.width;
    return Container(
        width: width,
        height: width*2/3,
                          padding: EdgeInsets.only(
                              left: ScreenUtil().setWidth(15),
                              right: ScreenUtil().setWidth(15),
                              top: ScreenUtil().setWidth(15)),
                          child: ClipRRect(
                            borderRadius: BorderRadius.circular(5),
                            child: new Chewie(
                              controller: ChewieController(
                                videoPlayerController:
                                    // VideoPlayerController.network(
                                    //     imgFontUrl + detailObj.url
                                    //     ),
                                    _controller,
                                aspectRatio: 3 / 2,
                                autoPlay: false,
                                looping: true,
                                showControls: true,
                                deviceOrientationsAfterFullScreen:[DeviceOrientation.portraitUp,],
                                // 占位图
                                // placeholder: Image.network(
                                //     imgFontUrl+detailObj.cover,
                                //     fit: BoxFit.contain,

                                //   ),

                                // 是否在 UI 构建的时候就加载视频
                                autoInitialize: true,

                                // 拖动条样式颜色
                                materialProgressColors:
                                    new ChewieProgressColors(
                                  playedColor: Colors.red,
                                  handleColor: Colors.blue,
                                  backgroundColor: Colors.grey,
                                  bufferedColor: Colors.lightGreen,
                                ),
                              ),
                            ),
                          ));
  }
}