<template>
  <div>
    <el-dialog title="选择用户" :close-on-click-modal="false" :visible.sync="visible"
      class="JNPF-dialog JNPF-dialog_center transfer-dialog" lock-scroll append-to-body
      width='800px'>
      <div class="transfer__body" v-loading="allLoading" :style="{height}">
        <div class="transfer-pane">
          <div class="transfer-pane__tools">
            <el-input placeholder="输入关键词进行搜索" v-model="pagination.keyword"
              @keyup.enter.native="search" clearable>
              <el-button slot="append" icon="el-icon-search" @click="search"></el-button>
            </el-input>
          </div>
          <div class="transfer-pane__body left-pane">
            <el-tabs v-model="activeName" class="transfer-pane__body-tab hasSys-tab">
              <el-tab-pane label="部门" name="department">
                <el-tree :data="treeData" :props="props" check-on-click-node
                  :expand-on-click-node="false" @node-click="handleNodeClick"
                  class="JNPF-common-el-tree" node-key="id" v-loading="loading" lazy
                  :load="loadNode" v-if="!this.isAsync">
                  <span class="custom-tree-node" slot-scope="{ node, data }">
                    <i :class="data.icon"></i>
                    <span class="text">{{node.label}}</span>
                  </span>
                </el-tree>
                <div class="single-list" ref="infiniteBody" v-if="this.isAsync"
                  v-loading="loading && pagination.currentPage==1">
                  <template v-if="treeData.length">
                    <div v-for="(item,index) in treeData" :key="index" class="selected-item-user"
                      @click="handleNodeClick(item)">
                      <div class="selected-item-main">
                        <el-avatar :size="36" :src="define.comUrl+item.headIcon"
                          class="selected-item-headIcon">
                        </el-avatar>
                        <div class="selected-item-text">
                          <p class="name">{{item.fullName}}</p>
                          <p class="organize" :title="item.organize">{{item.organize}}</p>
                        </div>
                      </div>
                    </div>
                  </template>
                  <el-empty description="暂无数据" :image-size="120" v-else></el-empty>
                </div>
              </el-tab-pane>
              <el-tab-pane label="角色" name="role" v-if="multiple">
                <el-tree :data="treeData2" :props="props" :expand-on-click-node="false"
                  default-expand-all check-on-click-node @node-click="handleNodeClick"
                  class="JNPF-common-el-tree" node-key="id" v-loading="roleLoading" ref="roleTree"
                  :filter-node-method="filterNode">
                  <span class="custom-tree-node" slot-scope="{ node, data }">
                    <i :class="data.icon"></i>
                    <span class="text">{{node.label}}</span>
                  </span>
                </el-tree>
              </el-tab-pane>
              <el-tab-pane label="岗位" name="position" v-if="multiple">
                <el-tree :data="treeData3" :props="props" :expand-on-click-node="false"
                  default-expand-all check-on-click-node @node-click="handleNodeClick"
                  class="JNPF-common-el-tree" node-key="id" v-loading="positionLoading"
                  ref="positionTree" :filter-node-method="filterNode">
                  <span class="custom-tree-node" slot-scope="{ node, data }">
                    <i :class="data.icon"></i>
                    <span class="text">{{node.label}}</span>
                  </span>
                </el-tree>
              </el-tab-pane>
              <el-tab-pane label="分组" name="group" v-if="multiple">
                <el-tree :data="treeData4" :props="props" :expand-on-click-node="false"
                  default-expand-all check-on-click-node @node-click="handleNodeClick"
                  class="JNPF-common-el-tree" node-key="id" v-loading="groupLoading" ref="groupTree"
                  :filter-node-method="filterNode">
                  <span class="custom-tree-node" slot-scope="{ node, data }">
                    <i :class="data.icon"></i>
                    <span class="text">{{node.label}}</span>
                  </span>
                </el-tree>
              </el-tab-pane>
            </el-tabs>
          </div>
        </div>
        <div class="transfer-pane">
          <div class="transfer-pane__tools">
            <span>已选</span>
            <el-button @click="removeAll" type="text" class="removeAllBtn">清空列表</el-button>
          </div>
          <div class="transfer-pane__body shadow right-pane">
            <template v-if="selectedList.length">
              <div v-for="(item,index) in selectedList" :key="index"
                class="selected-item-user-multiple">
                <template v-if="item.children.length">
                  <p class="selected-item-title">
                    <i :class="item.icon"></i><span>{{item.fullName}}</span>
                  </p>
                  <div class="selected-item-main" v-for="(child,i) in item.children" :key="i">
                    <el-avatar :size="36" :src="define.comUrl+child.headIcon"
                      class="selected-item-headIcon" v-if="child.type==='user'">
                    </el-avatar>
                    <div class="selected-item-icon" v-else>{{child.fullName.substring(0,1)}}</div>
                    <div class="selected-item-text">
                      <p class="name">{{child.fullName}}</p>
                      <p class="organize" :title="child.organize">{{child.organize}}</p>
                    </div>
                    <i class="el-icon-delete delete" @click="removeData(child.id)"></i>
                  </div>
                </template>
              </div>
            </template>
            <el-empty description="暂无数据" :image-size="120" v-else></el-empty>
          </div>
        </div>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="visible=false">{{$t('common.cancelButton')}}</el-button>
        <el-button type="primary" :loading="btnLoading"
          @click="confirm">{{$t('common.confirmButton')}}</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
import { getImUserSelector, getSelectedList } from '@/api/permission/user'
import { getPositionSelector } from '@/api/permission/position'
import { getRoleSelector } from '@/api/permission/role'
import { getGroupSelector } from '@/api/permission/group'
import { getPermissionMember, savePermissionMember } from '@/api/permission/authorize'
const defaultSelectedList = [
  {
    id: "department",
    type: "department",
    fullName: "部门",
    icon: "icon-ym icon-ym-tree-department1",
    children: []
  },
  {
    id: "position",
    type: "position",
    fullName: "岗位",
    icon: "icon-ym icon-ym-tree-position1",
    children: []
  },
  {
    id: "user",
    type: "user",
    fullName: "用户",
    icon: "icon-ym icon-ym-tree-user2",
    children: []
  },
  {
    id: "group",
    type: "group",
    fullName: "分组",
    icon: "icon-ym icon-ym-generator-group1",
    children: []
  },
  {
    id: "role",
    type: "role",
    fullName: "角色",
    icon: "icon-ym icon-ym-generator-role",
    children: []
  }
]
export default {
  name: 'JNPF-userTransfer',
  data() {
    return {
      allLoading: false,
      loading: false,
      roleLoading: true,
      positionLoading: true,
      groupLoading: true,
      activeName: '',
      treeData: [],
      treeData2: [],
      treeData3: [],
      treeData4: [],
      selectedData: [],
      props: {
        children: 'children',
        label: 'fullName',
        isLeaf: 'isLeaf'
      },
      nodeId: '0',
      ids: [],
      total: 0,
      isAsync: false,
      finish: false,
      pagination: {
        keyword: '',
        currentPage: 1,
        pageSize: 20,
      },
      permissionData: [],
      visible: false,
      btnLoading: false,
      selectedList: defaultSelectedList
    }
  },
  props: {
    height: {
      type: String,
      default: "400px"
    },
    // allLoading: {
    //   type: Boolean,
    //   default: false
    // },
    permissionGroupId: {
      type: String,
      default: ""
    },
    value: {
      type: Array,
      default: () => []
    },
    multiple: {
      type: Boolean,
      default: false
    },
  },
  watch: {
    activeName(val) {
      this.pagination.keyword = ''
      this.isAsync = false
      if (!val) return
      this.nodeId = '0'
      this.treeData = []
      this.getData()
    },
    selectedData(val) {
      if (!this.multiple) return
      this.selectedList = JSON.parse(JSON.stringify(defaultSelectedList))
      for (let i = 0; i < this.selectedData.length; i++) {
        const item = this.selectedData[i];
        const type = item.type == 'company' ? 'department' : item.type
        this.selectedList.map(res => {
          if (res.type == type) {
            const obj = {
              fullName: item.fullName,
              type: type,
              headIcon: item.headIcon,
              organize: item.organize,
              id: item.id
            }
            res.children.push(obj)
          }
        })
      }
    }
  },
  methods: {
    init() {
      this.visible = true
      this.getOtherData()
      this.selectedData = []
      this.ids = []
      this.pagination.keyword = ''
      this.activeName = ''
      this.nodeId = '0'
      this.isAsync = false
      this.finish = false
      this.$nextTick(() => {
        this.activeName = 'department'
        this.initData()
      })
    },
    bindScroll() {
      let _this = this,
        vBody = _this.$refs.infiniteBody;
      vBody.addEventListener("scroll", function () {
        if (vBody.scrollHeight - vBody.clientHeight - vBody.scrollTop <= 200 && !_this.loading && !_this.finish) {
          _this.pagination.currentPage += 1
          _this.getList()
        }
      });
    },
    confirm() {
      this.btnLoading = true
      let query = {
        ids: this.ids,
        id: this.permissionGroupId
      }
      savePermissionMember(query).then(res => {
        this.$message({
          message: res.msg,
          type: 'success',
          duration: 1500,
          onClose: () => {
            this.$emit('confirm', true)
            this.visible = false
            this.btnLoading = false
          }
        })
      }).catch()
    },
    getData() {
      if (this.activeName === 'department') {
        this.getList()
      } else if (['role', 'position', 'group'].includes(this.activeName)) {
        this.$refs[this.activeName + 'Tree'] && this.$refs[this.activeName + 'Tree'].filter(this.pagination.keyword)
      } else {
        this.loading = false
      }
    },
    getSelectList() {
      this.allLoading = true
      if (!this.permissionData.length) return this.allLoading = false
      getSelectedList(this.permissionData).then(res => {
        this.selectedData = res.data.list.map(o => ({ ...o, id: o.type ? o.id + '--' + o.type : o.id }))
        this.ids = this.selectedData.map(o => o.id)
        this.allLoading = false
      })
    },
    initData() {
      getPermissionMember(this.permissionGroupId).then(res => {
        let list = res.data.list || []
        console.log(res.data.list)
        this.permissionData = list.map(res => {
          return res.id + '--' + res.type
        })
        this.getSelectList()
      }).catch(() => { })
    },
    getOtherData() {
      this.roleLoading = true
      this.positionLoading = true
      this.groupLoading = true
      getRoleSelector().then(res => {
        this.treeData2 = res.data.list
        this.roleLoading = false
      })
      getPositionSelector().then(res => {
        this.treeData3 = res.data.list
        this.positionLoading = false
      })
      getGroupSelector().then(res => {
        this.treeData4 = res.data
        this.groupLoading = false
      })
    },
    search() {
      this.nodeId = '0'
      this.treeData = []
      this.pagination.currentPage = 1
      this.isAsync = !!this.pagination.keyword
      this.finish = false
      if (this.isAsync && this.activeName === 'department') {
        this.$nextTick(() => {
          this.bindScroll()
        })
      }
      this.getData()
    },
    filterNode(value, data) {
      if (!value) return true;
      return data[this.props.label].indexOf(value) !== -1;
    },
    getList() {
      this.loading = true
      if (this.pagination.keyword) this.nodeId = '0'
      getImUserSelector(this.nodeId, this.pagination).then(res => {
        if (this.pagination.keyword) {
          if (res.data.list.length < this.pagination.pageSize) {
            this.finish = true
          }
          this.treeData = [...this.treeData, ...res.data.list]
          this.total = res.data.pagination.total
        } else {
          this.treeData = res.data.list
        }
        this.loading = false
      })
    },
    loadNode(node, resolve) {
      if (node.level === 0) {
        this.nodeId = '0'
        return resolve(this.treeData)
      }
      this.nodeId = node.data.id
      getImUserSelector(this.nodeId).then(res => {
        resolve(res.data.list)
      })
    },
    handleNodeClick(data) {
      const usableList = this.multiple ? ['company', 'department', 'role', 'position', 'group', 'user'] : ['user']
      if (!usableList.includes(data.type)) return
      const boo = this.selectedData.some(o => o.id === data.id + '--' + data.type)
      let item = JSON.parse(JSON.stringify(data))
      item.id += '--' + item.type
      if (boo) return
      this.multiple ? this.selectedData.push(item) : this.selectedData = [item]
      this.multiple ? this.ids.push(item.id) : this.ids = [item.id]
      this.$emit('input', this.ids)
      this.$emit('getValue', this.ids, this.selectedData)
    },
    removeAll() {
      this.selectedData = []
      this.ids = []
      this.$emit('input', this.ids)
      this.$emit('getValue', this.ids, this.selectedData)
    },
    removeData(id) {
      const index = this.selectedData.findIndex((item) => {
        return item.id == id
      })
      if (index != -1) {
        this.selectedData.splice(index, 1)
        this.ids.splice(index, 1)
      }
      this.$emit('input', this.ids)
      this.$emit('getValue', this.ids, this.selectedData)
    },
  }
};
</script>