import React, { Component } from 'react';
import {getImageUrl} from 'educoder';
import {Modal,Input,Checkbox,Tooltip,Spin} from "antd";
import { DragDropContext,Draggable, Droppable} from 'react-beautiful-dnd';
import Modals from '../../modals/Modals';
import '../ShixunPaths.css';
import axios from 'axios';
const $ = window.$;
const Search = Input.Search;


//a little function to help us with reordering the result
const reorder =  (list, startIndex, endIndex) => {
  // console.log(list)
  // console.log(startIndex)
  // console.log(endIndex)

  let newlist=list;
  const result = Array.from(newlist);
  const [removed] = result.splice(startIndex, 1);
  result.splice(endIndex, 0, removed);

  return result;
};

const getItemStyle = (isDragging, draggableStyle) => ({
  // change background colour if dragging
  background: isDragging ? '#dceeff' : '',
  // styles we need to apply on draggables
   ...draggableStyle,
});


class DetailCardsEditAndEdit extends Component{
  constructor(props){
    super(props);
    this.state={
      selectShixun:false,
      editPanel:true,
      search:"",
      type:0,
      page:1,
      ChooseShixunList:undefined,
      hometypepvisible:true,
      shixuns_listedit:undefined,
      patheditarry:[],
      stage_name:undefined,
      stage_description:undefined,
      stageid:undefined,
      Modalstype:false,
      Modalstopval:'',
      Modalsbottomval:'',
      delectfunvalue:undefined,
      ChooseShixunListshixun_list:undefined,
      stage_nametype:false,
      descriptiontype:false
    }
    this.onDragEnd = this.onDragEnd.bind(this);
  }
  //选择实训弹框
  AddShixunBox = () =>{
    this.setState({
      selectShixun:true,
      patheditarry:[]
    })
    this.changeTag(0,"");
  }
  //关闭选择实训弹框
  cloasShixunBox =()=>{
    this.setState({
      selectShixun:false,
      patheditarry:[]
    })
  }

  searchNameInput=(e)=>{
    this.setState({
      search:e.target.value
    })
  }

  //打开选择实训弹框初始化tag标签和列表
  changeTag(id,search){

    this.setState({
			ChooseShixunListshixun_list:[],
			page:1,
      hometypepvisible:true
    })
    let pathId=this.props.pathid;
    let url='/paths/'+pathId+'/choose_subject_shixun.json?page='+1
    if(search!="" && search!=undefined){
      url+="&search="+search;
    }
    if(id!=0){
      url+="&type="+id;
    }
    axios.get(encodeURI(url)).then((result)=>{
      if(result.status===200){
        this.setState({
          ChooseShixunList:result.data,
          hometypepvisible:false,
          type:id,
          search:search,
          ChooseShixunListshixun_list:result.data.shixun_list
        })
      }
    }).catch((error)=>{
      console.log(error);
    })
  }

  shixunhomeworkedit=(list)=>{

    let newpatheditarry=[];
    for(var i=0; i<list.length;i++){
      newpatheditarry.push(list[i])
    }
    this.setState({
      patheditarry:newpatheditarry
    })

  }

  componentWillReceiveProps(nextProps, nextState) {
    if(nextProps.pathlisteditlist!=undefined){
      let list=[]
      for(var i=0; i<nextProps.pathlisteditlist.shixuns_list.length; i++){
        list.push(nextProps.pathlisteditlist.shixuns_list[i].shixun_id)
      }
      this.setState({
        shixuns_listedit:nextProps.pathlisteditlist.shixuns_list,
        shixuns_listeditlist:list,
        stage_name:nextProps.pathlisteditlist.stage_name,
        stage_description:nextProps.pathlisteditlist.stage_description,
        stageid:nextProps.stageid
      })


    }

  }

  //双向绑定
  updatastage_name=(e)=>{

      this.setState({
        stage_name:e.target.value
      })

  }

  updatastage_description=(e)=>{

    this.setState({
      stage_description:e.target.value
    })

  }

  clickShixunchoose=()=>{

    let{patheditarry,shixuns_listedit,shixuns_listeditlist}=this.state
    let newshixuns_listedit=shixuns_listedit;
    let list=shixuns_listeditlist

    if(patheditarry.length===0){
      this.setState({
        Modalstype:true,
        Modalstopval:'请选择实训',

      })

      return
    }

    let url='/paths/append_to_stage.json'
    axios.post(url,{
      shixun_id:patheditarry
    }).then((response) => {
      let newshixun_lists=response.data.shixun_lists;


      for(var j=0; j<newshixuns_listedit.length; j++){
        for(var a=0; a<newshixun_lists.length; a++){
          if(newshixuns_listedit[j].shixun_id===newshixun_lists[a].shixun_id){
            this.setState({
              Modalstype:true,
              Modalstopval:'请勿重复选择'+newshixun_lists[a].shixun_name+'实训',
            })
            return
          }
        }
      }
      for(var z=0; z<newshixun_lists.length; z++){
        newshixuns_listedit.push(newshixun_lists[z])
      }
      for(var i=0; i<newshixun_lists.length; i++){
        list.push(newshixun_lists[i].shixun_id)
      }
      this.setState({
        shixuns_listedit:newshixuns_listedit,
        shixuns_listeditlist:list,
        patheditarry:[],
        selectShixun:false
      })
    }).catch((error) => {
      console.log(error)
    });

  }

  //保存
  clickShixunsave=()=>{
    let{stage_name,stage_description,stageid,shixuns_listeditlist}=this.state;
    let newstage_descriptions=stage_description;

    if(stage_name===""||stage_name===undefined){

      this.setState({
        stage_nametype:true
      })

      return
    }
    if(newstage_descriptions!=undefined){

      if(newstage_descriptions.length>300){

        this.setState({
          descriptiontype:true
        })

        return
      }
    }else{
      newstage_descriptions=""
    }
    let url;
     if(this.props.ysldetailcards===undefined){
       url='/stages/'+stageid+'.json';
     }else{
       url=`/course_stages/${stageid}.json`;
     }
    axios.put(url, {
      name:stage_name,
      description:newstage_descriptions,
      shixun_id:shixuns_listeditlist
    }).then((response) => {
      // window.location.href = "/paths/" + response.data.subject_id
      this.setState({
        stage_name:undefined,
        stage_description:undefined,
        shixuns_listeditlist:[],
        shixuns_listedit:undefined,
        stage_nametype:false,
        descriptiontype:false
      })
      this.props.updatapathCardsedits()
    }).catch((error) => {
      console.log(error)
    });
  }

  //删除实训
  shixunslisteditdelect=(e)=>{

    this.setState({
      Modalstype:true,
      Modalstopval:'是否删除该实训？',
      Modalsbottomval:'',
      delectfunvalue:e.target.id
    })

  }

  shixunslisteditdelectfun=()=>{
    let{delectfunvalue}=this.state;
    let sum = parseInt(delectfunvalue);
    let {shixuns_listedit,shixuns_listeditlist} =this.state;
    let newshixuns_listedit=shixuns_listedit
    let newshixuns_listeditlist=shixuns_listeditlist
    newshixuns_listedit.splice(sum, 1);
    newshixuns_listeditlist.splice(sum, 1);
    this.setState({
      shixuns_listedit:newshixuns_listedit,
      shixuns_listeditlist:newshixuns_listeditlist,
      Modalstype:false,
      Modalstopval:' ',
      Modalsbottomval:'',
      delectfunvalue:undefined
    })
  }


  cardsModalcancel=()=>{
    this.setState({
      Modalstype:false,
      Modalstopval:'',
      Modalsbottomval:'',
      delectfunvalue:undefined
    })
  }
  cardsModalsave=()=>{
    this.setState({
      Modalstype:false,
      Modalstopval:'',
      Modalsbottomval:''
    })
  }



  onDragStart = () => {
    /*...*/
  };
  onDragUpdate = () => {
    /*...*/
  }


  onDragEnd (result) {

    let {shixuns_listedit,shixuns_listeditlist} =this.state;
    const listedit = reorder(
      shixuns_listedit,
      result.source.index,
      result.destination.index
    );
    const listeditlist = reorder(
      shixuns_listeditlist,
      result.source.index,
      result.destination.index
    );
    this.setState({
      shixuns_listedit:listedit,
      shixuns_listeditlist:listeditlist
    })
  }

  contentViewScrolledit=(e)=>{
    //滑动到底判断
		const {ChooseShixunList}=this.state;
		let newscrollTop=parseInt(e.currentTarget.scrollTop);
		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;

		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){

			if(ChooseShixunList.shixun_list.length===0){
				return
			}else{
				this.setState({
					hometypepvisible:true
				})
				// console.log("到达底部");

				let {page,type,search,ChooseShixunListshixun_list}=this.state;

				let newpage=page+1;

				let pathId=this.props.pathid;

				let newChooseShixunListshixun_list=ChooseShixunListshixun_list;

				let url='/paths/'+pathId+'/choose_subject_shixun.json?page='+newpage

				if(search!="" && search!=undefined){
					url+="&search="+search;
				}

				if(type!=0){
					url+="&type="+type;
				}
				axios.get(encodeURI(url)).then((result)=>{
					if(result.status===200){

						let list =result.data.shixun_list;

						for(var i=0; i<list.length; i++){
							newChooseShixunListshixun_list.push(list[i])
						}
						this.setState({
							ChooseShixunList:result.data,
							hometypepvisible:false,
							type:type,
							page:newpage,
							search:search,
							ChooseShixunListshixun_list:newChooseShixunListshixun_list
						})
					}
				}).catch((error)=>{
					console.log(error);
				})


			}



    }

  }


  render(){
    let {selectShixun,
      editPanel,
      ChooseShixunList,
      type,
      page,
      search,
      hometypepvisible,
      shixuns_listedit,
      patheditarry,
      stage_name,
      stage_description,
      Modalstype,
      Modalstopval,
      Modalsbottomval,
      delectfunvalue,
      ChooseShixunListshixun_list,
      stage_nametype,
      descriptiontype
    } = this.state

    return(
      <div>
        <Modals
          modalsType={Modalstype}
          modalsTopval={Modalstopval}
          modalsBottomval={Modalsbottomval}
          modalCancel={this.cardsModalcancel}
          modalSave={delectfunvalue===undefined?()=>this.cardsModalsave():()=>this.shixunslisteditdelectfun()}
        >
        </Modals>

        {  this.props.idsum===this.props.keys&&this.props.pathCardsedittype===true?

        <div className="lesson-edit-content mb10">

          <div className="clearfix edu-back-white">
            <p className="clearfix mb30 font-18 font-bd pl25 pr25">
              {/*<a href="javascript:void(0)" className="fl ring-blue mr10 mt2">*/}
                {/*<img src={getImageUrl("/images/educoder/icon/charpter-white.svg")} className="fl ml3 mt3"/>*/}
              {/*</a>*/}

              {/*<a className="fr"><i className="iconfont icon-shanchu color-grey-c font-14 font-n"></i></a>*/}
            </p>
            <div className="pl50 pr20 clearfix">
              {/*<p className="color-grey-6 font-16 mb20">章节名称</p>*/}
              <div className="df mb30">
                <span className="mr30 color-orange pt10">*</span>
                <div className="flex1 mr20">
                  <input maxLength="60"  type="text" style={{width: '670px'}} className={stage_nametype===false?"input-100-45 greyInput":"input-100-45 greyInput bor-red"} name="stage_name" value={stage_name} onInput={this.updatastage_name} placeholder={"请输入第"+(this.props.keys+1)+"阶段名称,最大限制60个字符"}/>
                  <div className={stage_nametype===true?"red":'none'}>名称不能为空</div>
                </div>
                <div style={{"width":"60px"}}><span className="color-orange fl mt8 none" id="stage_name_notice"><i className="iconfont icon-tishi font-14 mr3"></i>必填项</span></div>
              </div>
              <p className="color-grey-6 font-16 mb20">描述</p>
              <div className="width89 mb30 pl35">
                <textarea className={descriptiontype===false?"winput-100-130":"winput-100-130 bor-red"} name="stage_des"
                    value={stage_description}
                    style={{width: '670px'}}
                    onInput={this.updatastage_description}
                    placeholder={"请输入第"+(this.props.keys+1)+"阶段描述"}
                ></textarea>
                <div className={descriptiontype===true?"red":"none"}>描述不能超多最大限制300个字符</div>
              </div>
              <p className="clearfix mb30">
                <a onClick={this.AddShixunBox} className="fl defalutGreyBorder color-grey-6 ml37">
                  <i className="iconfont icon-tianjiafangda fl mr5"></i>选择实训
                </a>
                <span id="sx_notice" className="fl ml20 color-grey-9 mt5">选择下面实训后，可以通过拖拽进行排序调整</span>
              </p>

              {selectShixun===true?<style>
                {
                  `
              body {
							  overflow: hidden !important;
							}
              `
                }
              </style>:""}


              <Modal
                keyboard={false}
                title="选择实训"
                visible={selectShixun}
                closable={false}
                footer={null}
                width="840px"
                destroyOnClose={true}
              >
								<Spin spinning={hometypepvisible}  size="large" style={{marginTop:'15%'}}>
                <div className="newupload_conbox">
                  <div className="clearfix mb20 shixun_work_div newshixun_tab_div cdefault" style={{"marginRight":"4px"}} id="shixun_tab_div">
                    <li className="fl mr5 mt5"> <a onClick={()=>this.changeTag(0,`${search}`)} className={ parseInt(type)===0 ? "active edu-filter-cir-grey font-12":"edu-filter-cir-grey font-12"}>全部</a></li>
                    {
                      ChooseShixunList && ChooseShixunList.tags.map((item,key)=>{
                        return(
                          <li className="fl mr5 mt5" key={key}> 
                            <a onClick={()=>this.changeTag(`${item.tag_id}`,`${search}`)} className={ parseInt(type) === parseInt(item.tag_id) ? "active edu-filter-cir-grey font-12":"edu-filter-cir-grey font-12"}>{item.tag_name}</a>
                          </li>
                        )
                      })
                    }
                    

                  </div>
                  <div className="clearfix mb20" id="shixun_search_form_div">
                    <span className="fl color-grey-9 font-16 mt3">
                      <span>共</span>
                      <span className="color-orange-tip">{ChooseShixunList && ChooseShixunList.shixuns_count}</span>
                      <span>个实训</span>
                    </span>
                    <div className="fr search-new mb0">
                      <Search 
                        placeholder="请输入创建者或者实训名称进行搜索"
                        onInput={this.searchNameInput}
                        onSearch={()=>this.changeTag(`${type}`,`${search}`)}
												style={{width: '115%'}}
                      ></Search>
                    </div>
                  </div>
                  <ul className="clearfix greybackHead edu-txt-center" style={{marginBottom: '0px'}}>
                    <li className="fl with40 paddingleft22">实训名称</li>
                    <li className="fl with30 edu-txt-left">使用院校</li>
                    <li className="fl with10">使用人数</li>
                    <li className="fl with10">评价等级</li>
                    <li className="fl with10"></li>
                  </ul>

                  <style>
                    {
                      `
                      .over180{min-height: 180px;max-height: 180px;overflow-y: auto}
                      `
                    }
                  </style>
									{ChooseShixunListshixun_list && ChooseShixunListshixun_list.length===0?"":<div className="over180 pl20 pr20"
                       onScroll={this.contentViewScrolledit}
                     >
                    <Checkbox.Group style={{ width: '100%' }}   onChange={this.shixunhomeworkedit}>
                      {
                        ChooseShixunListshixun_list && ChooseShixunListshixun_list.map((item,key)=>{
                          return(
                            <div className="clearfix edu-txt-center lineh-40 bor-bottom-greyE" key={key}>
                              <li className="fl with40">
                                <Checkbox
                                  id={"shixun_input_"+item.shixun_id}
																	value={item.shixun_id}
																	key={item.shixun_id}
                                  className="fl task-hide edu-txt-left"
                                  style={{"width":"298px"}}
                                  name="shixun_homework[]"
                                >
                                  <label style={{"textAlign":"left","color":"#05101A"}} className="task-hide color-grey-name" title={item.shixun_name}>{item.shixun_name}</label>
                                </Checkbox>
                              </li>
                              <li className="fl with30 edu-txt-left task-hide paddingl5">{item.school_users}</li>
                              <li className="fl with10 paddingl10">{item.myshixuns_count}</li>
                              <li className="fl with10 color-orange-tip paddingl10">{item.preference}</li>
                              <li className="fl with10"><a className="color-blue" href={"/shixuns/"+item.identifier+"/challenges"} target="_blank">详情</a></li>
                            </div>
                          )
                        })
                      }
                    </Checkbox.Group>
                  </div>}
                  <div className="mt20 marginauto clearfix edu-txt-center">
                    <a className="pop_close task-btn mr30 margin-tp26" onClick={this.cloasShixunBox}>取消</a>
                    <a className="task-btn task-btn-orange margin-tp26" id="submit_send_shixun" onClick={this.clickShixunchoose}>确定</a>
                  </div>
                </div>
									</Spin>
              </Modal>
            </div>

            {/* 可拖拽选择实训列表*/}
            {shixuns_listedit===undefined?'':

            <DragDropContext onDragEnd={this.onDragEnd}>
              <Droppable
                droppableId={'ids1'}
              >
                {(provided, snapshot) => (
                  <div
                    ref={provided.innerRef}
                    {...provided.droppableProps}
                  >
              {shixuns_listedit.map((item,key)=>{
              return(
                <Draggable
                  key={'id'+key}
                  draggableId={'id'+key}
                  index={key}
                >
                  {(provided, snapshot) => (
                  <div className="clearfix paragraph lineh-30"
                       key={key}
                       ref={provided.innerRef}
                       {...provided.draggableProps}
                       style={getItemStyle(
                         snapshot.isDragging,
                         provided.draggableProps.style
                       )}
                       {...provided.dragHandleProps}
                  >

                    <li className="fl li-width63">

                  <span className="progressRing mr10">
                      <i className="iconfont icon-bofang progressRing-part font-18 mt10"></i>
                  </span>

                      <a className={ "paragraph_name paragraph_nameid"}
                         href={/shixuns/+item.shixun_identifier}
                      >

                     <span className="subject_stage_shixun_index">

                       <span className="subject_stage_shixun_index">{this.props.idsum+1}</span>-{key+1}&nbsp;&nbsp;{item.shixun_name}

                     </span>

                      </a>

                    </li>

                    <li className="fr status_li">
                      <Tooltip placement="bottom" title="删除">
                        <i className="iconfont icon-shanchu color-grey-c font-14 font-n cursor" id={key} onClick={this.shixunslisteditdelect}></i>
                      </Tooltip>
                    </li>
                    {provided.placeholder}
                  </div>
                  )}
                </Draggable>
              )})}
              </div>
              )}
              </Droppable>
            </DragDropContext>
            }

            {/*<div className="adding-stage-item clearfix" id="sortable">*/}
              {/*<div className="square-Item smallSquare">*/}
                {/*<a href="javascript:void(0)" className="ring-grey font-16 color-white colseThispart">×</a>*/}
                {/*<img alt="Shixun0" className="partimg" src={getImageUrl("/images/educoder/index/shixun/shixun0.jpg?1546937140")}/>*/}
                {/*<div className="square-main">*/}
                  {/*<p className="task-hide"><a href="/shixuns/9374npmg" className="justify color-grey-name" target="_blank">frerere</a></p>*/}
                {/*</div>*/}
              {/*</div>*/}
            {/*</div>*/}


            {/*<p className="clearfix pl50 mb40 mt20">*/}
              {/*<a className="color-grey-c mr30 fl mt5" onClick={this.props.updatapathCardsedits}>取消</a>*/}
              {/*<a className="fl task-btn task-btn-orange" onClick={this.clickShixunsave}>保存</a>*/}
            {/*</p>*/}

            <p className="fr clearfix mt30">
              <div className="clearfix ">
                <a className="defalutCancelbtn fl mr30" onClick={this.props.updatapathCardsedits}>取消</a>
                <a className="defalutSubmitbtn fl mr20"  onClick={this.clickShixunsave}>保存</a>
              </div>
            </p>


          </div>
        </div>
          :''}
      </div>
    )
  }
}
export default DetailCardsEditAndEdit;





// {
//   shixuns_listedit===undefined?'':shixuns_listedit.map((item,key)=>{
//     return(
//       <div className="clearfix paragraph lineh-30" key={key}>
//
//         <li className="fl li-width63">
//
//                         <span className="progressRing mr10">
//                             <i className="iconfont icon-bofang progressRing-part font-18 mt10"></i>
//                         </span>
//
//           <a className={ "paragraph_name paragraph_nameid"}
//              href={/shixuns/+item.shixun_identifier}
//           >
//
//                            <span className="subject_stage_shixun_index">
//
//                              <span className="subject_stage_shixun_index">{this.props.idsum+1}</span>-{key+1}&nbsp;&nbsp;{item.shixun_name}
//
//                            </span>
//
//           </a>
//
//         </li>
//
//         <li className="fr status_li">
//           <Tooltip placement="bottom" title="删除">
//             <i className="iconfont icon-shanchu color-grey-c font-14 font-n cursor" key={key} onClick={this.shixunslisteditdelect}></i>
//           </Tooltip>
//         </li>
//
//       </div>
//     )
//   })
// }