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:liftmanager/widgets/bbs_content.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';
import 'package:video_player/video_player.dart';
import 'package:liftmanager/utils/image_utils.dart';
import 'package:liftmanager/internal/bbs/bbs_router.dart';
import 'package:liftmanager/internal/wode/wode_router.dart';
import 'package:liftmanager/internal/bbs/model/video_detail.dart';
import 'package:liftmanager/utils/log_util.dart';
import 'dart:convert';
import 'package:flustars/flustars.dart' as FlutterStars;
import 'package:liftmanager/common/common.dart';
import 'dart:math';
import 'package:liftmanager/utils/fast_notification.dart';
import 'package:liftmanager/utils/theme_utils.dart';


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

  final String id;
  

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

class VideoUploadState extends State<VideoUpload> {
  // NewsDetailItem item = NewsDetailItem();
  
  ScrollController _scrollController = new ScrollController();
  String brandChiose='请选择';
  String brandName = "品牌";
  int brandIdss;
  bool sortBool = true;
   List<String> imagesUrl = [];
   List<String> videoUrl = [];
   VideoDetailModel detailObj;

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


  @override
  void initState() {
    super.initState();
    print(widget.id);
    
    if(widget.id!=null&&widget.id!=""){
      NewApiService().getVideoDetail(int.parse(widget.id), 1,
        onSuccess: (res) {
      if (res != null) {
        detailObj = res;
        
        LogUtil.d(jsonEncode(res));
        print(88885);
        
        setState(() {
          videoUrl = [];
          imagesUrl = [];
          videoUrl.add(res.url);
          imagesUrl.add(res.cover);
          _titleController.text = res.title;
          _descController.text = res.descr;
          brandIdss = res.brandId;
          brandChiose = res.brandName;
        });
      
      }
    }, onError: (code, msg) {
      toasts(msg);
    });
    }
  }

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

  randomInt(int min, int max) {
    return new Random().nextInt(max) % (max - min + 1) + min;
  }

  List<dynamic> brandList;
  Future getBrandList() async {
    await NewApiService().getBrandListNoPage(
        onSuccess: (res) {
      if (res != null) {
        brandList = res;
        setState(() {});
      }
    }, onError: (code, msg) {
      toasts(msg);
    });
  }

  ///选择视频
  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 {
      var _imageFile = await ImagePicker.pickVideo(
          source: key == 1 ? ImageSource.camera : ImageSource.gallery,
      );
      if (_imageFile != null) {
        // print(123);
        // print(_imageFile);
        // print(jsonEncode(_imageFile));
        LogUtil.d(_imageFile);
        LogUtil.d(_imageFile.hashCode);
        LogUtil.d(_imageFile.path);
        print(123);
        upLoadFileOnce(_imageFile.path);
        setState(() {});
      }
    } catch (e) {
      toasts("没有权限，无法打开相册！");
    }
  }


    FocusNode focusNode1 = new FocusNode();

  @override
  Widget build(BuildContext context) {

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

    

    // 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: "上传视频",
      ),
      body:GestureDetector(
        onTap: () {
          // 点击空白页面关闭键盘
          FocusScope.of(context).requestFocus(focusNode1);
        },
        child: Stack(
        children: <Widget>[
          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>[
            ChioseThisRight(label: "电梯品牌",value:brandChiose,fun:(){
              setState(() {
                                          // brandChiose = brandListChiose[index];
                                          sortBool = false;
                                          print(5656333);
                                        });
                                        getBrandList();
                                        // Navigator.maybePop(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(
                    "视频标题",
                    style: TextStyle(
                          color:Color(0xff222222),
                          // fontSize:ScreenUtil().setSp(14),
                          
                    ),
                    textAlign:TextAlign.left,
                  ),
                ),
              ],
            ),
            Container(
              height:80,
              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: _titleController,
                      maxLines:5,
                      decoration: InputDecoration(
                        contentPadding: EdgeInsets.all(0),
                        
                          hintText: '请输入你上传视频的标题',
                          hintStyle:TextStyle(
                            color: Color(0xffcccccc)
                          ),
                          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(
                    "视频简介",
                    style: TextStyle(
                          color:Color(0xff222222),
                          // 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: 500,
                      cursorColor: Color(0xffcccccc),
                      controller: _descController,
                      maxLines:5,
                      decoration: InputDecoration(
                        contentPadding: EdgeInsets.all(0),
                        
                          hintText: '请输入您上传视频的简介',
                          hintStyle:TextStyle(
                            color: Color(0xffcccccc)
                          ),
                          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(
                                                        "(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 ? imagesUrl[index] : null,
                            // image: index < videoUrl.length ? videoUrl[index] : null,
                            index:index,
                            onTap: () {
                              if(index >= videoUrl.length){
                                selectPicker();
                              }
                              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]);
                            imagesUrl.remove(imagesUrl[index]);
                            setState(() {
                              
                            });
                          },
                          child:Icon(
                              IconData(
                                0xe62a,
                                fontFamily:"myfont"
                              ),
                              size: 24.0,
                              color:Color(0xff999999),
                            ),
                        )
                      ):Container(child: null,)
                    ],
                  );
                },
              )
            ),
            SizedBox(
              height:ScreenUtil().setWidth(80),
            ),
          ],
        ),
            )
          ]
        )
        
      ),
      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(ScreenUtil().setWidth(22)),
                        gradient: const LinearGradient(
                                          colors: [Color(0xFF00D9FF), Color(0xFF0287FF)]),
                      ),
                      child: FlatButton(
                        // padding: EdgeInsets.all(15.0),
                        child: Text("提交"),
                        textColor: Colors.white,
                        onPressed: () {
                          if(brandIdss==null){
                            toasts("请选择品牌");
                            return; 
                          }
                          if(videoUrl.length<1){
                            toasts("请上传视频");
                            return; 
                          }
                          String videos = videoUrl.join(",");
                          String images = imagesUrl.join(",");
                        if((_formKey.currentState as FormState).validate()){
                          
                          
                          showLoading(context, "正在提交...");
                          if(widget.id!=null&&widget.id!=""){
                            dynamic objEdit = {
                              "brandId":brandIdss,
                              "title":_titleController.text,
                              "descr":_descController.text,
                              "url":videos,
                              "cover": images,
                              "checkFlag":2,
                              "statuz":1,
                              "platformFlag":1,
                              "userId":FlutterStars.SpUtil.getString(Constant.userId),
                              "id":detailObj.id
                            };
                            NewApiService().editVideo(objEdit, onSuccess: (res) {
                              dismissLoading(context);
                              toasts("修改成功");
                              String initThisMyVideo = randomInt(1111,9999).toString() + DateTime.now().millisecondsSinceEpoch.toString();
                              FastNotification.push("initMyVideo",initThisMyVideo);
                              Navigator.pop(context);
                            }, onError: (code, msg) {
                              dismissLoading(context);
                              toasts(msg);
                            });
                          }else {
                            dynamic obj = {
                              "brandId":brandIdss,
                              "title":_titleController.text,
                              "descr":_descController.text,
                              "url":videos,
                              "cover": images,
                              "checkFlag":2,
                              "statuz":1,
                              "platformFlag":1,
                              "userId":FlutterStars.SpUtil.getString(Constant.userId)
                            };
                            NewApiService().addVideo(obj, onSuccess: (res) {
                              dismissLoading(context);
                              toasts("提交成功");
                              String initThisMyVideo = randomInt(1111,9999).toString() + DateTime.now().millisecondsSinceEpoch.toString();
                              FastNotification.push("initMyVideo",initThisMyVideo);
                              Navigator.pop(context);
                            }, onError: (code, msg) {
                              dismissLoading(context);
                              toasts(msg);
                            });
                          }
                          
                          
                          
                          
                        }
                          
                        },
                      ),
                    ),
              )
            ),
            !sortBool?
            Positioned(
              top:0,
              left:0,
              child: Container(
                width:width,
                height:height,
                color: Color.fromRGBO(0, 0, 0, 0.5)
              )
            )
            :Container(
              child:null
            ),
            !sortBool?
            Positioned(
              top:0,
              right:0,
              child:Container(
                width: width/4*3,
                height:height,
                color: ThemeUtils.getTabsBg(context),
                padding: EdgeInsets.all(10),
                child:ListView(
                  children:<Widget>[
                    Container(
                      padding: EdgeInsets.only(left:5,top:5,bottom:10),
                      child:Text(
                                  "品牌",
                                  style: TextStyle(
                                    color:Color(0xff666666),
                                    fontSize:ScreenUtil().setSp(16)
                                  ),
                                  textAlign:TextAlign.start,
                                ),
                    ),
                   brandList!=null&&brandList!=[]?Container(
                     child: Wrap(
                  alignment: WrapAlignment.start,
                  crossAxisAlignment: WrapCrossAlignment.center,
                  children: brandList.asMap().keys.map((index){
                    return InkWell(
                      onTap: (){
                            print("666");
                            
                            setState(() {
                              sortBool = true;
                              brandChiose = brandList[index].name??"";
                              brandIdss = brandList[index].id;
                            });
                            
                          },
                      child: Container(
                      width: width/4-17,
                      padding: EdgeInsets.only(bottom:ScreenUtil().setWidth(10),top:ScreenUtil().setWidth(10)),
                      margin: EdgeInsets.only(left:5,right:5,bottom:5,top:5),
                      decoration: BoxDecoration(
                        // border: Border(
                        //   bottom: BorderSide(width: 0.5, color: Colours.line),
                        // ),
                        color: Color(0xfff5f5f5)
                      ),
                      child:Text(
                                  brandList[index].name??"",
                                  style: TextStyle(
                                    color:Color(0xff666666),
                                    fontSize:ScreenUtil().setSp(15)
                                  ),
                                  textAlign:TextAlign.center,
                                  maxLines: 1,
                                          overflow: TextOverflow.ellipsis,
                                ),
                    ),
                    );
                    
                  }).toList(),
                )
                   ):loadCircle()
                  ],
                  
                )
              )
            ):
            Container(
              child:null
            ),
        ],
      ),
      ),
    );
  }

  Widget loadCircle() {
    return Container(
      padding: EdgeInsets.only(top: 10, bottom: 10),
      color: ThemeUtils.getTabsBg(context),
      child: Center(
        child: SpinKitFadingCircle(
          color: Colors.blueAccent,
          size: 30.0,
        ),
      ),
    );
  }
}


class ChioseThisRight extends StatelessWidget {
  ChioseThisRight({Key key,this.value,this.label,this.fun,this.labelText='请选择'}) : super(key: key);
  String value;
  String label;
  Function fun;
  String labelText;
  @override
  Widget build(BuildContext context) {
    double width = MediaQuery.of(context).size.width;
    return InkWell(
              onTap: (){
                  fun();      
              },
              child: Container(
                padding: EdgeInsets.only(top:ScreenUtil().setWidth(15),bottom:ScreenUtil().setWidth(15)),
                margin: EdgeInsets.only(left:ScreenUtil().setWidth(15)),
                decoration: BoxDecoration(
                  border: Border(
                    bottom: BorderSide(width: 0.5, color: Colours.line),
                  ),
                ),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children:<Widget>[
                    Text(
                      label,
                      style: TextStyle(
                        color:Color(0xff222222),
                        // fontSize: ScreenUtil().setSp(14)
                      ),
                      textAlign:TextAlign.start,
                    ),
                    value.isEmpty? Container(
                              child: Row(
                                children:<Widget>[
                                  Text(
                                    labelText,
                                    style: TextStyle(
                                      color:Color(0xffcccccc),
                                      // fontSize: ScreenUtil().setSp(14)
                                    ),
                                    textAlign:TextAlign.start,
                                  ),
                                  Container(
                                    padding: EdgeInsets.only(top:3),
                                    child: Icon(
                                      Icons.keyboard_arrow_right,
                                      size: 20.0,
                                      color:Color(0xffcccccc),
                                    ),
                                  ),
                                  SizedBox(
                                    width:10
                                  )
                                ]
                              ),
                            ):
                            Container(
                              padding: EdgeInsets.only(right:ScreenUtil().setWidth(15)),
                              child: Row(
                                children:<Widget>[
                                  Text(
                                    value,
                                    style: TextStyle(
                                      color:Color(0xff222222),
                                      fontSize: ScreenUtil().setSp(14)
                                    ),
                                    textAlign:TextAlign.start,
                                  ),
                                ]
                              ),
                            ),
                  ]
                ),
              ),
            );
  }
}