<template>
  <el-popover class="vertical-baseline" placement="bottom-start" width="446" height="378" trigger="click">
    <div class="dm-store__wrap" style="height: 378px;">
      <div class="dm-store__left">
        <div class="dm-store__state">
          <el-checkbox  v-model="saveParams.isAll" :true-label="1" :false-label="0" @change="handleCheckAllChange">所有门店</el-checkbox>
          <span class="fz13">{{computedLeftCount}}/{{leftTotal}}</span>
        </div>
        <div class="dm-store__search">
          <el-input  v-model="leftParams.searchParam" placeholder="请输入门店名称"  prefix-icon="el-icon-search" @change="initLeftList"></el-input>
        </div>
        <el-checkbox-group v-model="leftCheckList" class="dm-store__list">
          <p v-for="(v,i) in leftList" :key="i" class="dm-store__item dm-store__item--52">
            <el-checkbox :label="v.storeId">
              <p>{{v.storeName}}</p>
              <p class="gray fz13">{{v.storeCode}}</p>
            </el-checkbox>
          </p>
          <p class="dm-store__list--more" v-if="leftMoreShow" :disabled="leftMoreLoading"><el-button type="text" @click="leftLoadMore">{{leftMoreLoading?'加载中...':'加载更多'}}</el-button></p>
          <p class="dm-store__list--more" v-else><el-button class="fz12" type="text" disabled>无更多数据</el-button></p>
        </el-checkbox-group>
      </div>
      <div class="dm-store__center">
        <el-button type="primary" icon="el-icon-arrow-right" circle :disabled="!leftCheckList.length" @click="saveToRight"></el-button>
        <el-button icon="el-icon-close" circle :disabled="!rightCheckList.length" @click="deleteRightItems(false)"></el-button>
      </div>
      <div class="dm-store__right">
        <div class="dm-store__state">
          <span>已选<span class="fz12 gray-color">（{{rightTotal}}个门店）</span></span>
          <el-button type="text" @click="deleteRightAll">全部清除</el-button>
        </div>
        <div class="dm-store__search">
          <el-input v-model="rightParams.search" placeholder="请输入门店名称" prefix-icon="el-icon-search" @change="initRightList"></el-input>
        </div>
        <el-checkbox-group v-model="rightCheckList" class="dm-store__list">
          <p v-for="(v,i) in rightList" :key="i" class="dm-store__item"  @mouseover="rightHoverIndex = i" @mouseout="rightHoverIndex = null">
            <el-checkbox :label="v.id">{{v.name}}</el-checkbox>
            <i class="el-icon-close" v-show="rightHoverIndex !== i"></i>
            <i class="el-icon-circle-close" v-show="rightHoverIndex === i" @click.stop="deleteRightItems(v.id)"></i>
          </p>
          <p class="dm-store__list--more" v-if="rightMoreShow" :disabled="rightMoreLoading"><el-button type="text" @click="rightLoadMore">{{rightMoreLoading?'加载中...':'加载更多'}}</el-button></p>
          <p class="dm-store__list--more" v-else><el-button class="fz12" type="text" disabled>无更多数据</el-button></p>
        </el-checkbox-group>
      </div>
    </div>
    <div class="el-input dm-store__reference w240" slot="reference">
      <div class="el-input__inner dm-store__inputtag">
        <el-tag size="small" v-for="v in rightList" :key="v.id" @close="deleteRightItems(v.id)" closable>{{v.name}}</el-tag>
        <span class="gray-color dm-store__inputtag--tips" v-show="rightList.length === 0">请选择门店</span>
      </div>
      <el-popover placement="top-start" popper-class="select-shop__popper" width="300" trigger="hover">
				<el-tag class="dm-store__total--tag"  v-for="v in rightList" :key="v.id" @close="deleteRightItems(v.id)" closable>
					{{v.name}}
				</el-tag>
				<span slot="reference" class="dm-store__inputtag--total" v-show="rightList.length">共{{rightTotal}}项</span>
			</el-popover>
    </div>
  </el-popover>
</template>
<script>
import qs from 'qs';
import { baseUrl } from '../config';
let rightLoadMoreFlag = false;
export default {
  name:'options-part',
  props:{
    uuid:{
      type:String,
      default:''
    },
    cacheUuid:{
      type:String,
      default:''
    },
    isAdd:{
      type:Boolean,
      default:true
    },
    isCache:{
      type:Boolean,
      default:false
    }
  },
  data() {
    return {
      leftList:[],
      rightList:[],
      leftValue:'',
      leftCheckList:[],
      rightCheckList:[],
      saveParams:{
        selectType:5,	// 是	int	下拉选择项
        key:'',	// 是	string	32位唯一值
        isAll:0,	// 是	int	是否勾选全部 1是 0否
        value:'',	 //否	string	isAll=0时，必填，选中项id，多个逗号分隔
        removeItems:'', //否	string	isAll=1，取消选中项的id，多个逗号分隔
      },
      rightParams:{
        key:this.uuid,
        selectType:5,
        search:'',
        currentPage:1,
        pageSize:20
      },
      leftParams:{
        searchParam:'',
        pageSize:20,
        currentPage:1,
      },
      rightHoverIndex:null,
      rightTotal:0,
      leftTotal:0,
      leftMoreShow:false,
      leftMoreLoading:false,
      rightMoreShow:false,
      rightMoreLoading:false
    }
  },
  created() {
    // 初始化左侧列表
    this.initLeftList();
    // 初始化右侧列表
    this.initRightList();
    if (!this.isAdd) {
      this.copyStoreWidget();
    }
    console.log(this.uuid,this.cacheUuid);
  },
  computed:{
    computedLeftCount() {
      if (this.saveParams.isAll) {
        let minuend = this.leftList.length - this.leftCheckList.length;
        console.log('all'+ minuend)
        return this.leftTotal - minuend;
      } else {
        return this.leftList.map(v => {
          return this.leftCheckList.includes(v.storeId);
        }).filter(v => v).length;
      }
    }
  },
  methods:{
     // 初始化左侧列表
    initLeftList() {
      this.leftParams.currentPage = 1;
      this.getLeftList().then(res => {
        if (this.saveParams.isAll) {
          const unSelecteds = this.leftList.filter(v => {
            return this.leftCheckList.indexOf(v.storeId) < 0;
          }).map(v => v.storeId);
          this.leftCheckList = res.map(v => v.storeId).filter(v => {
            return unSelecteds.indexOf(v) < 0;
          });
        }
        this.leftList = res;
      })
    },
    // 初始化右侧列表
    initRightList() {
      this.rightParams.currentPage = 1;
      this.getRightList().then(res => {
        this.rightList = res;
      })
    },
    // 拉取左侧数据
    getLeftList() {
      return new Promise((resolve,reject) => {
        this.leftMoreLoading = true;
        this.axios.post(baseUrl + '/api-plug/query-store-by-code-name-new?requestProject=gic-web',qs.stringify(this.leftParams)).then(res => {
          this.leftMoreLoading = false;
          if (res.data.errorCode === 0) {
          let list =  (res.data.result && res.data.result.result) || [];
          this.leftTotal = (res.data.result && res.data.result.totalCount) || 0;
           // 没有拉取到数据，说明没有更多数据
            if (list.length < 20) {
              this.leftMoreShow = false;
            } else {
              this.leftMoreShow = true;
            }
            resolve(list);
          } else {
            reject(new Error('获取列表错误'));
          }
        }).catch(err => {
          console.log(err)
          reject(new Error('获取列表错误'));
        })
      })
    },
    // 拉取右侧数据
    getRightList() {
      return new Promise((resolve,reject) => {
        this.rightMoreLoading = true;
        this.rightParams.key = this.isCache ? this.cacheUuid : this.uuid;
        this.axios.post(baseUrl + '/api-plug/list-right-data?requestProject=gic-web',qs.stringify(this.rightParams)).then(res => {
          this.rightMoreLoading = false;
          if (res.data.errorCode === 0) {
            this.rightTotal = (res.data.result && res.data.result.totalCount) || 0;
            let list = (res.data.result && res.data.result.result) || [];
            // 没有拉取到数据，说明没有更多数据
            if (list.length < 20) {
              this.rightMoreShow = false;
            } else {
              this.rightMoreShow = true;
            }
            resolve(list);
          } else {
            reject(new Error('获取列表错误'));
          }
        }).catch(err => {
          reject(new Error('获取列表错误'));
        });
      })
    },
    // 右侧加载更多
    rightLoadMore() {
      this.rightParams.currentPage += 1;
      this.getRightList().then(res => {
        if (res instanceof Array) {
          res.map(v => {
            this.rightList.push(v);
          })
        }
      })
    },
    // 左侧侧加载更多
    leftLoadMore() {
      this.leftParams.currentPage += 1;
      this.getLeftList().then(res => {
        if (res instanceof Array) {
          res.map(v => {
            this.leftList.push(v);
            if (this.saveParams.isAll) {
              this.leftCheckList.push(v.storeId);
            }
          })
        }
      })
    },
    // 左侧数据移动到右侧
    saveToRight() {
      this.saveParams.key = this.isAdd ? this.uuid: this.cacheUuid;
      if (this.saveParams.isAll) {
        this.saveParams.removeItems = this.leftList.filter(v => {
          return this.leftCheckList.indexOf(v.storeId) < 0;
        }).map(v => v.storeId).join(',');
      } else {
        this.saveParams.value = this.leftCheckList.join(',');
        if (!this.saveParams.value) {
          this.$message({type:"warning",message:"门店选择不能为空"});
          return;
        }
      }
      this.axios.post(baseUrl + '/api-plug/save-store-widget?requestProject=gic-web',qs.stringify(this.saveParams)).then(res => {
        this.rightParams.currentPage = 1;
        if (!this.isAdd) {
          this.$emit('update:isCache',true);
        }
        this.$nextTick(_ => {
          this.getRightList().then(res => {
            this.rightList = res;
          })
        })
      }).catch(err => {
        console.log(err)
      })
    },
    // 删除右侧全部
    deleteRightAll() {
      this.axios.get(baseUrl + '/api-plug/remove-allitems?requestProject=gic-web&key=' + (this.isAdd ? this.uuid: this.cacheUuid)).then(res => {
        if (res.data.errorCode === 0) {
          if (!this.isAdd) {
            this.$emit('update:isCache',true);
          }
          this.$nextTick(_ => {
            this.initRightList();
          })
        } else {
          this.$message({type:'error',message:'清除全部失败'});
        }
      }).catch(err => {
        console.log(err)
      })
    },
    // 删除右侧单选或者多选数据
    deleteRightItems(item) {
      let params = {
        key:this.isAdd ? this.uuid: this.cacheUuid,
        removeItems:item || this.rightCheckList.join(',')
      }
      this.saveParams.value = this.leftCheckList.join(',');
      this.axios.post(baseUrl + '/api-plug/remove-items?requestProject=gic-web',qs.stringify(params)).then(res => {
        this.rightParams.currentPage = 1;
        if (!this.isAdd) {
          this.$emit('update:isCache',true);
        }
        this.$nextTick(_ => {
          this.initRightList();
          this.rightCheckList = [];
        })
      }).catch(err => {
        console.log(err)
      })
    },
    // 选中所有数据
    handleCheckAllChange(val) {
      this.leftCheckList = val ? this.leftList.map(v => v.storeId) : [];
    },
    // 把老数据拷贝到新的临时id上
    copyStoreWidget() {
      this.axios.get(baseUrl + '/api-plug/copy-store-widget?requestProject=gic-web&oldKey='+this.uuid+'&newKey='+this.cacheUuid).then(res => {
        if(res.data.errorCode === 0) {
          console.log('拷贝成功');
        }
      })
    }
  }
}
</script>

