import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:ysairplane2/code/YSShortDetail.dart';
import 'package:ysairplane2/tools/YSNetWorking.dart';
import 'package:ysairplane2/tools/YSTools.dart';

import 'YSSearchResult.dart';

class YSShortPlane extends StatefulWidget {
  @override
  _YSShortPlaneState createState() => _YSShortPlaneState();
}

class _YSShortPlaneState extends State<YSShortPlane> {
  int _page = 1;
  List _dataArray = [];
  Map _msgDict;
  String _cityStr = '';
  @override
  void initState() {
    Future.delayed(Duration(seconds: 0)).then((value){
      _getBackImageData();
      _refreshData();
    });
    super.initState();
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Color(0xFFF1F2F3),
      body: SingleChildScrollView(
        padding: EdgeInsets.all(0),
        child: Stack(
          children: [
            Container(
              height: MediaQuery.of(context).padding.top+hsp(370),
              width: MediaQuery.of(context).size.width,
              child: _msgDict==null?Image(
                image: AssetImage('lib/images/home3.png'),
                fit: BoxFit.fill,
              ):ysImageLoad(
                imageUrl: '${_msgDict['background']}',
                fit: BoxFit.fill,
                height: MediaQuery.of(context).padding.top+hsp(370),
                width: MediaQuery.of(context).size.width,
              ),
            ),
            GestureDetector(
              onTap: (){
                Navigator.pop(context);
              },
              child: Container(
                margin: EdgeInsets.only(left: hsp(30),right: wsp(30),top: MediaQuery.of(context).padding.top+hsp(50)),
                child: Icon(Icons.arrow_back_ios,color: Colors.white,size: hsp(50),),
              ),
            ),
            GestureDetector(
              onTap: (){
                Navigator.of(context).push(
                    CupertinoPageRoute(builder: (context){
                      return YSSearchResult(type: 6,);
                    })
                );
              },
              child: Container(
                margin: EdgeInsets.only(left: hsp(110),top: MediaQuery.of(context).padding.top+hsp(45)),
                width: MediaQuery.of(context).size.width-hsp(140),
                height: hsp(60),
                decoration: BoxDecoration(
                    color: Colors.black.withOpacity(0.35),
                    borderRadius: BorderRadius.all(Radius.circular(50))
                ),
                padding: EdgeInsets.only(left: wsp(30),right: wsp(30)),
                child: Row(
                  children: [
                    Row(
                      children: [
                        Text(_cityStr,style: TextStyle(fontSize: zsp(26),color: Colors.white),),
                        Icon(Icons.keyboard_arrow_down,color: Colors.white.withOpacity(0.5),size: hsp(40),)
                      ],
                    ),
                    Container(
                      height: hsp(30),
                      width: 0.5,
                      margin: EdgeInsets.only(left: wsp(10),right: wsp(10)),
                      color: Colors.white.withOpacity(0.2),
                    ),
                    Row(
                      children: [
                        Icon(Icons.search,color: Colors.white.withOpacity(0.5),size: hsp(50),),
                        Text(' 搜索',style: TextStyle(fontSize: zsp(26),color: Colors.white.withOpacity(0.5)),),
                      ],
                    )
                  ],
                ),
              ),
            ),
            if(_msgDict!=null)Container(
              margin: EdgeInsets.only(left: wsp(50),top: MediaQuery.of(context).padding.top+hsp(250)),
              child: RichText(
                text: TextSpan(
                    text: '${_msgDict['name']}   ',
                    style: TextStyle(fontSize: zsp(50),color: Colors.white,fontWeight: FontWeight.bold),
                    children: [
                      TextSpan(
                          text: '${_msgDict['subtitle']}',
                          style: TextStyle(fontWeight: FontWeight.normal,fontSize: zsp(28),color: Colors.white.withOpacity(0.5))
                      )
                    ]
                ),
              ),
            ),
            Container(
              margin: EdgeInsets.only(top: MediaQuery.of(context).padding.top+hsp(350)),
              height: MediaQuery.of(context).size.height-MediaQuery.of(context).padding.top-hsp(350),
              width: MediaQuery.of(context).size.width,
              decoration: BoxDecoration(
                  color: Color(0xFFF1F2F3),
                  borderRadius: BorderRadius.only(topRight: Radius.circular(10),topLeft: Radius.circular(10))
              ),
              child: Container(
                width: MediaQuery.of(context).size.width,
                height: MediaQuery.of(context).size.height-MediaQuery.of(context).padding.top-hsp(430)-0.5,
                child: EasyRefresh(
                  onRefresh: _refreshData,
                  onLoad: _loadMoreData,
                  header: TaurusHeader(

                  ),
                  footer: TaurusFooter(

                  ),
                  child: ListView.separated(
                    itemBuilder: (context,index){
                      return GestureDetector(
                        behavior: HitTestBehavior.opaque,
                        onTap: (){
                          Navigator.of(context).push(
                              CupertinoPageRoute(
                                  builder: (context){
                                    return YSShortDetail(shortId: _dataArray[index]['id'],);
                                  }
                              )
                          );
                        },
                        child: Container(
                          padding: EdgeInsets.all(hsp(30)),
                          child: Row(
                            children: [
                              Container(
                                height: hsp(200),
                                width: hsp(250),
                                margin: EdgeInsets.only(right: hsp(30)),
                                child: ysImageLoad(
                                  imageUrl: '${_dataArray[index]['cover']}',
                                  fit: BoxFit.fill,
                                  height: hsp(200),
                                  width: hsp(250),
                                ),
                              ),
                              Container(
                                width: MediaQuery.of(context).size.width-hsp(340),
                                height: hsp(200),
                                child: Column(
                                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    Container(
                                      width: MediaQuery.of(context).size.width-hsp(340),
                                      child: SingleChildScrollView(
                                        scrollDirection: Axis.horizontal,
                                        child: Row(
                                          children: [
                                            Text('${_dataArray[index]['setoutInfo']['display']}',style: TextStyle(fontSize: zsp(40),color: Colors.black,fontWeight: FontWeight.bold),),
                                            Container(
                                              height: 2,
                                              width: wsp(40),
                                              margin: EdgeInsets.only(left: wsp(10),right: wsp(10)),
                                              color: Color(0xFFCCCCCC),
                                            ),
                                            Text('${_dataArray[index]['arriveInfo']['display']}',style: TextStyle(fontSize: zsp(40),color: Colors.black,fontWeight: FontWeight.bold),)
                                          ],
                                        ),
                                      ),
                                    ),
                                    Text('${_dataArray[index]['dtFlightInformation']['partnerName']}',style: TextStyle(fontSize: zsp(24),color: Color(0xFF9A9A9A)),),
                                    Row(
                                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                      children: [
                                        Text('${_dataArray[index]['dtFlightInformation']['model']}',style: TextStyle(fontSize: zsp(24),color: Color(0xFF9A9A9A)),),
                                        RichText(
                                          text: TextSpan(
                                              text: '￥',
                                              style: TextStyle(fontSize: zsp(24),color: Color(0xFFEB423B)),
                                              children: [
                                                TextSpan(
                                                  text: '${_dataArray[index]['discountPrice']}',
                                                  style: TextStyle(fontSize: zsp(42),fontWeight: FontWeight.bold),
                                                ),
                                                TextSpan(
                                                  text: '元起',
                                                  style: TextStyle(fontSize: zsp(20)),
                                                )
                                              ]
                                          ),
                                        )
                                      ],
                                    )
                                  ],
                                ),
                              )
                            ],
                          ),
                        ),
                      );
                    },
                    separatorBuilder: (context,index){
                      return Divider(height: 0.5,thickness: 0.5,color: Color(0xFFEEEEEE),);
                    },
                    itemCount: _dataArray.length,
                    padding: EdgeInsets.all(0),
                  ),
                ),
              )
            ),
          ],
        ),
      ),
    );
  }
  _getBackImageData() async{
    SharedPreferences preferences = await SharedPreferences.getInstance();
    _cityStr = preferences.getString('location');
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/wallconfigure/get',parameter: {'type':6},isLoading: false,isToken: false);
    if(dict!=null){
      setState(() {
        _msgDict = dict['data'];
      });
    }
  }

  Future<void> _refreshData() async{
    _page = 1;
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/AirTour/list',parameter: {'category':6,'pageNo':_page,'pageSize':10},isLoading: false,isToken: false);
    if(dict!=null){
      setState(() {
        _dataArray = dict['data']['resultList'];
      });
    }
  }

  Future<void> _loadMoreData() async{
    _page++;
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/AirTour/list',parameter: {'category':6,'pageNo':_page,'pageSize':10},isLoading: false,isToken: false);
    if(dict!=null){
      setState(() {
        _dataArray.addAll(dict['data']['resultList']);
      });
    }
  }
}