import 'package:flutter/material.dart';
import 'package:liftmanager/res/gaps.dart';
import 'package:liftmanager/net/api_service.dart';
import 'package:liftmanager/utils/toast.dart';
import 'package:liftmanager/widgets/app_bar.dart';
import 'package:liftmanager/internal/search/search_router.dart';
import 'package:liftmanager/widgets/app_search_bar.dart';
import 'package:liftmanager/res/resources.dart';
import 'package:liftmanager/routers/fluro_navigator.dart';
import 'package:liftmanager/widgets/load_image.dart';
import 'package:liftmanager/widgets/selected_image_change.dart';
import 'package:image_picker/image_picker.dart';
import 'dart:io';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:liftmanager/internal/bbs/bbs_router.dart';
import 'dart:convert';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:liftmanager/common/common.dart';
import 'package:flustars/flustars.dart' as flustars;
import 'package:liftmanager/utils/theme_utils.dart';
import 'package:chewie/chewie.dart';
import 'package:liftmanager/utils/oss_upload.dart';
import 'package:video_player/video_player.dart';
import 'package:liftmanager/widgets/selected_video_change.dart';
import 'package:liftmanager/utils/utils.dart';
import 'package:orientation/orientation.dart';
import 'package:flutter/services.dart';
import 'package:liftmanager/utils/fast_notification.dart';

class InterrogationPage extends StatefulWidget {
  InterrogationPage(this.brandName,this.brandId);

  final String brandName;
  final String brandId;
  

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

class InterrogationPageState extends State<InterrogationPage> {
  // NewsDetailItem item = NewsDetailItem();
  

  List<String> imagesUrl = [];
  String videoUrl;
  String str;
  double percent = 0.0;
  String addressName = "";
  VideoPlayerController _controller;
  VideoPlayerController _controllerFile;
  @override
  void initState() {
    super.initState();
    print(widget.brandName);
    print(widget.brandId);
    print(65656);
  }
  //图片
  upLoadFileOnce(path) {
    showLoading(context, "正在上传...");
    NewApiService().upload(path, onSuccess: (res) {
      // imagesUrl.add(res.path);
      dismissLoading(context);
      setState(() {
        imagesUrl.add(res.pathUrl);
      });
    }, onError: (code, msg) {
      dismissLoading(context);
      toasts(msg);
    });
  }

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

  ///选择图片
  void selectPicker(type) {
    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: () {
                    if(type=="image"){
                      _getImage(value == '拍照' ? 1 : 0);
                    }else if (type=="video") {
                      _getVideo(value == '拍照' ? 1 : 0);
                    }
                    
                    Navigator.of(context).pop();
                  },
                );
              }).toList());
        });
  }

  void _getImage(int key) async {
    try {
      var _imageFile = await ImagePicker.pickImage(
          source: key == 1 ? ImageSource.camera : ImageSource.gallery,
          maxWidth: 800,
          imageQuality: 95);
          print(_imageFile);
          print(3333);
      if (_imageFile != null) {
        // images.add(_imageFile);
        upLoadFileOnce(_imageFile.path);
        // setState(() {});
      }
    } catch (e) {
      toasts("没有权限，无法打开相册！");
    }
  }

  void _getVideo(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！");
          }
        }).catchError((error){
          print(error);
          print("error");
          toasts("上传失败,不支持此格式");
        });}
      })
      ;
      
    } catch (e) {
      toasts("没有权限，无法打开相册！");
    }
  }

  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);
    });
  }


    // 焦点控制
    // FocusNode _focusNode1 = new FocusNode(); 
    GlobalKey _formKey= new GlobalKey<FormState>();
    TextEditingController _questionController = new TextEditingController();
    TextEditingController _methodController = new TextEditingController();

     FocusNode blankNode = FocusNode();

  @override
  Widget build(BuildContext context) {

    double width = MediaQuery.of(context).size.width;

    

    // 监听FocusNode
    // _focusNode1.addListener((){
    //   // _focusNode1.hasFocus 是否聚焦
    //   print(_focusNode1.hasFocus);
    // });

    return Scaffold(
      resizeToAvoidBottomPadding: false,//不让键盘弹上去
      appBar: MyAppBar(
        centerTitle: "我要提问",
      ),
      body: GestureDetector(
        onTap: (){
          // 点击空白页面关闭键盘
          FocusScope.of(context).requestFocus(blankNode);
        },
        child: Stack(
          children:<Widget>[
            Container(
              padding: EdgeInsets.only(bottom:ScreenUtil().setWidth(80)),
          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(
                padding: EdgeInsets.only(left:ScreenUtil().setWidth(15),right:ScreenUtil().setWidth(15),top:ScreenUtil().setWidth(10),bottom:ScreenUtil().setWidth(10)),
                decoration: BoxDecoration(
                  border: Border(
                    bottom: BorderSide(width: 0.5, color: Colours.line),
                  ),
                ),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children:<Widget>[
                    Text(
                      "电梯品牌",
                      style: TextStyle(
                        // fontSize:ScreenUtil().setSp(14)
                      ),
                      textAlign:TextAlign.start,
                    ),
                    Text(
                      widget.brandName,
                      style: TextStyle(
                        color:Color(0xff999999),
                        // fontSize:ScreenUtil().setSp(14)
                      ),
                      textAlign:TextAlign.start,
                    ),
                  ]
                ),
              ),
              
              Row(
                crossAxisAlignment: CrossAxisAlignment.start,
                mainAxisAlignment: MainAxisAlignment.start,
                children: <Widget>[
                  Container(
                    padding:EdgeInsets.only(left:ScreenUtil().setWidth(15),top:ScreenUtil().setWidth(10),bottom:ScreenUtil().setWidth(5)),
                    child: Text(
                      "问题描述",
                      style: TextStyle(
                            // fontSize:ScreenUtil().setSp(14),
                      ),
                      textAlign:TextAlign.left,
                    ),
                  ),
                ],
              ),
              Container(
                height:120,
                padding: EdgeInsets.only(left:ScreenUtil().setWidth(15),right:ScreenUtil().setWidth(15),bottom:ScreenUtil().setWidth(20)),
                child: TextFormField(
                        // autofocus: true,
                        maxLength: 50,
                        cursorColor: Color(0xffcccccc),
                        controller: _questionController,
                        maxLines:5,
                        decoration: InputDecoration(
                          contentPadding: EdgeInsets.all(0),
                          
                            hintText: '请详细描述事故问题和现场情况',
                            hintStyle:TextStyle(
                              color: Color(0xffcccccc),
                              // fontSize: ScreenUtil().setSp(14),
                            ),
                            focusedBorder: InputBorder.none,
                            border: InputBorder.none,
                            // filled: true, // 背景色
                            // fillColor: Colors.cyan.withAlpha(35),
                            // icon: Icon(Icons.person)
                        ),
                        
                        // 校验
                        validator: (val) {
                          return val.trim().length > 0 ? null : "不能为空";
                        }

                    ),
              ),
              SizedBox(
                height:6,
                child: Container(
                  color:ThemeUtils.getDialogTextFieldColor(context)
                ),
              ),
              Row(
                crossAxisAlignment: CrossAxisAlignment.start,
                mainAxisAlignment: MainAxisAlignment.start,
                children: <Widget>[
                  Container(
                    padding:EdgeInsets.only(left:ScreenUtil().setWidth(15),top:ScreenUtil().setWidth(10),bottom:ScreenUtil().setWidth(5)),
                    child: Text(
                      "已尝试方法",
                      style: TextStyle(
                            // fontSize:ScreenUtil().setSp(14),
                            
                      ),
                      textAlign:TextAlign.left,
                    ),
                  ),
                ],
              ),
              Container(
                height:120,
                padding: EdgeInsets.only(left:ScreenUtil().setWidth(15),right:ScreenUtil().setWidth(15),bottom:ScreenUtil().setWidth(20)),
                child: TextFormField(
                        // autofocus: true,
                        maxLength: 50,
                        cursorColor: Color(0xffcccccc),
                        controller: _methodController,
                        maxLines:5,
                        decoration: InputDecoration(
                          contentPadding: EdgeInsets.all(0),
                          
                            hintText: '请详细描述已尝试方法以及结果',
                            hintStyle:TextStyle(
                              color: Color(0xffcccccc),
                              // fontSize: ScreenUtil().setSp(14),
                            ),
                            focusedBorder: InputBorder.none,
                            border: InputBorder.none,
                            // filled: true, // 背景色
                            // fillColor: Colors.cyan.withAlpha(35),
                            // icon: Icon(Icons.person)
                        ),
                        
                        // 校验
                        validator: (val) {
                          return val.trim().length > 0 ? null : "不能为空";
                        }

                    ),
              ),
              SizedBox(
                height:6,
                child: Container(
                  color:ThemeUtils.getDialogTextFieldColor(context)
                ),
              ),
              Container(
                width: width,
                padding: EdgeInsets.only(left:15,top:15),
                child: Text(
                                                        "上传图片：",
                                                        style: TextStyle(
                                                            fontSize:
                                                                ScreenUtil()
                                                                    .setSp(14),
                                                            ),
                                                            textAlign: TextAlign.left,
                                                      ),
              ),
              Container(
                color: ThemeUtils.getTabsBg(context),
                child: GridView.builder(
                  shrinkWrap: true,
                  padding: const EdgeInsets.fromLTRB(8.0, 12, 8.0, 12.0),
                  physics: NeverScrollableScrollPhysics(),
                  gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                      crossAxisCount: 3, childAspectRatio: 1.18),
                  itemCount: imagesUrl.length >= 9 ? 9 : imagesUrl.length + 1,
                  itemBuilder: (_, index) {
                    return Stack(
                      children: <Widget>[
                        Center(
                          child: SelectedImage(
                              image: index < imagesUrl.length ? imagesUrl[index] : null,
                              index:index,
                              onTap: () {
                                if(index >= imagesUrl.length){
                                  selectPicker("image");
                                }
                                FocusScope.of(context).requestFocus(FocusNode());
                                print(index);
                                print(imagesUrl);
                              }),
                        ),
                        index < imagesUrl.length?Positioned(
                          top:0,
                          right:0,
                          child:GestureDetector(
                            onTap: (){
                              print(index);
                              imagesUrl.remove(imagesUrl[index]);
                              setState(() {
                                
                              });
                            },
                            child:Icon(
                                IconData(
                                  0xe62a,
                                  fontFamily:"myfont"
                                ),
                                size: 24.0,
                                color:Color(0xff999999),
                              ),
                          )
                        ):Container(child: null,)
                      ],
                    );
                  },
                )
              ),
              SizedBox(
                height:6,
                child: Container(
                  color:ThemeUtils.getDialogTextFieldColor(context)
                ),
              ),
              Container(
                width: width,
                padding: EdgeInsets.only(left:15,top:15),
                child: Text(
                                                        "上传视频：",
                                                        style: TextStyle(
                                                            fontSize:
                                                                ScreenUtil()
                                                                    .setSp(14),
                                                            ),
                                                            textAlign: TextAlign.left,
                                                      ),
              ),
              Container(
                width: width,
                padding: EdgeInsets.only(left: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.getTabsBg(context),
              //   child: GridView.builder(
              //     shrinkWrap: true,
              //     padding: const EdgeInsets.fromLTRB(8.0, 12, 8.0, 12.0),
              //     physics: NeverScrollableScrollPhysics(),
              //     gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
              //         crossAxisCount: 3, childAspectRatio: 1.18),
              //     itemCount: videoUrl.length >= 1 ? 1 : videoUrl.length + 1,
              //     itemBuilder: (_, index) {
              //       return Stack(
              //         children: <Widget>[
              //           Center(
              //             child: SelectedImage(
              //                 image: index < videoUrl.length ? imagesUrlVideo[index] : null,
              //                 index:index,
              //                 onTap: () {
              //                   if(index >= videoUrl.length){
              //                     selectPicker("video");
              //                   }
              //                   FocusScope.of(context).requestFocus(FocusNode());
              //                   print(index);
              //                   print(videoUrl);
              //                 }),
              //           ),
              //           index < videoUrl.length?Positioned(
              //             top:0,
              //             right:0,
              //             child:GestureDetector(
              //               onTap: (){
              //                 print(index);
              //                 videoUrl.remove(videoUrl[index]);
              //                 imagesUrlVideo.remove(imagesUrlVideo[index]);
              //                 setState(() {
                                
              //                 });
              //               },
              //               child:Icon(
              //                   IconData(
              //                     0xe62a,
              //                     fontFamily:"myfont"
              //                   ),
              //                   size: 24.0,
              //                   color:Color(0xff999999),
              //                 ),
              //             )
              //           ):Container(child: null,)
              //         ],
              //       );
              //     },
              //   )
              // ),
              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("video");
                                  }
                                  
                                },
                              ),
                            ),
                            videoUrl != null
                                ? Positioned(
                                    top: 0,
                                    right: 0,
                                    child: GestureDetector(
                                      onTap: () {
                                        print(index);
                                        
                                        // imagesUrl = null;
                                        setState(() {
                                          videoUrl = null;
                                          str = null;
                                          _controller.pause();
                                          // player.reset();
                                        });
                                      },
                                      child: Icon(
                                        IconData(0xe62a, fontFamily: "myfont"),
                                        size: 24.0,
                                        color: Color(0xff999999),
                                      ),
                                    ),
                                  )
                                : Container(
                                    child: null,
                                  )
                          ],
                        );
                      },
                    ),
                  ),
            ],
          ),
              )
            ]
          )
          
        ),
        Positioned(
                bottom:0,
                left:0,
                child:Container(
                  width: width,
                  padding: EdgeInsets.only(top:ScreenUtil().setWidth(15),bottom:ScreenUtil().setWidth(15),left:ScreenUtil().setWidth(25),right:ScreenUtil().setWidth(25)),
                  color:ThemeUtils.getDialogTextFieldColor(context),
                  child: Container(
                        height:ScreenUtil().setWidth(44),
                        decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(22.0),
                          gradient: const LinearGradient(
                                          colors: [Color(0xFF00D9FF), Color(0xFF0287FF)]),
                        ),
                        child: FlatButton(
                          // padding: EdgeInsets.all(15.0),
                          child: Text("提交"),
                          textColor: Colors.white,
                          // textColor: Colors.white,
                          onPressed: () {
                            // if(imagesUrl.length<1){
                            //   toasts("请上传图片");
                            //   return; 
                            // }
                            String imgs = "";
                            if(imagesUrl.length > 0){
                              imgs = imagesUrl.join(",");
                            }
                            // String videoImgs = "";
                            // if(videoUrl.length > 0){
                            //   videoImgs = videoUrl.join(",");
                            // }
                            
                          if((_formKey.currentState as FormState).validate()){
                            dynamic obj = {
                              "dataTable":"1",
                              "brandId":widget.brandId,
                              "expression":_questionController.text,
                              "usedMethods":_methodController.text,
                              "imgs":imgs,
                              "videoUrl":videoUrl,
                              "createUserId":int.parse(flustars.SpUtil.getString(Constant.userId)),
                              "chargerId":1
                            };
                            showLoading(context, "正在提交...");
                          
                            NewApiService().createCase(obj, onSuccess: (res) {
                                dismissLoading(context);
                                toasts("提交成功");
                                FocusScope.of(context).requestFocus(FocusNode());
                                print(res);
                                print(999999);
                                setDataId(res);
                                setType("1");
                                print(widget.brandId);
                                if(_controller!=null){
                                          _controller.pause();
                                        }
                                NavigatorUtils.push(context, "${BbsRouter.expertList}?id=${widget.brandId}");
                              }, onError: (code, msg) {
                                dismissLoading(context);
                                toasts(msg);
                              });
                            
                            
                          }
                          },
                        ),
                      ),
                )
              )
          ]
        ),
      ),
    );
  }

  void setDataId (int id)async{
    SharedPreferences prefs = await SharedPreferences.getInstance();
    prefs.setInt("dataId", id);
    
  }
  void setType (String type)async{
    SharedPreferences prefs = await SharedPreferences.getInstance();
    prefs.setString("questionType", type);
    
  }

  Widget videoPlay() {
    
    _controller = VideoPlayerController.network(
                                        Utils.getImagePath(videoUrl) 
                                        // imgFontUrl + detailObj.url
                                        );
    double width = MediaQuery.of(context).size.width;
    return 
    // Container(
    //                     width: width,
    //                     height: width*0.6,
    //                     alignment: Alignment.center,
    //                     child: FijkView(
    //                       player: player,
    //                       color: Colors.black,
    //                       fit:FijkFit.fill,
    //                       // cover: NetworkImage(detailObj.cover),
    //                       // cover: new Image(image: detailObj.cover!=null&& detailObj.cover!=""?NetworkImage(detailObj.cover):AssetImage("assets/images/video_image.png"),).image,
    //                       // 
    //                     ),
    //                   );
    Container(
                          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,
                                allowFullScreen:false,
                                autoPlay: false,
                                looping: true,
                                // startAt: Duration(seconds: 1,minutes: 1),
                                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,
                                ),
                              ),
                            ),

                            
                            
                          )
                      );
  }
}