<template>
  <el-dialog
    :title="title"
    :visible.sync="visible"
    v-if="visible"
    :before-close="handleClose"
    :close-on-click-modal="false"
    :close-on-press-escape="false"
    append-to-body
    width="75%"
  >

    <!-- 选择产品分类 -->
    <el-card shadow="never">
      <ProductSearch @search="reload" ref="searchRef" />

      <ele-split-layout
        width="244px"
        allow-collapse
        :right-style="{ overflow: 'hidden' }"
      >
        <div class="ele-border-lighter split-layout-right-content">
          <el-tree
            :data="treeList"
            :props="defaultProps"
            ref="treeRef"
            :default-expanded-keys="current && current.id ? [current.id] : []"
            :highlight-current="true"
            node-key="id"
            @node-click="handleNodeClick"
          ></el-tree>
        </div>
        <!-- 表格 -->
        <template v-slot:content>
          <ele-pro-table
            ref="table"
            :columns="columns"
            :datasource="datasource"
            :selection.sync="selection"
            row-key="id"
            height="calc(100vh - 350px)"
            class="dict-table"
          >
          </ele-pro-table>
        </template>
      </ele-split-layout>
    </el-card>
    <div class="btns">
      <el-button type="primary" size="small" @click="selected">选择</el-button>
      <el-button size="small" @click="handleClose">关闭</el-button>
    </div>
  </el-dialog>
</template>

<script>
  import ProductSearch from '@/components/select/bom/product-search.vue';
  import { getMaterialList } from '@/api/material/list.js';
  import { sourceBomVersion } from '@/api/material/BOM';
  import { getTreeByGroup } from '@/api/classifyManage';
  export default {
    components: { ProductSearch },
    data() {
      return {
        visible: false,
        type: 1,
        selection: [],
        // 表格列配置
        columns: [
          {
            columnKey: 'selection',
            type: 'selection',
            width: 45,
            align: 'center',
            selectable: (row, index) => {
              return !this.selectList.some((it) => row.id == it.id);
            },
            reserveSelection: true,
          },
          {
            columnKey: 'index',
            type: 'index',
            width: 45,
            align: 'center',
            reserveSelection: true
          },
          {
            prop: 'code',
            label: '编码'
          },
          {
            prop: 'name',
            label: '名称',
            showOverflowTooltip: true
          },
          {
            prop: 'brandNum',
            label: '牌号'
          },

          {
            prop: 'modelType',
            label: '型号',
            align: 'center',
            showOverflowTooltip: true
          },
          {
            prop: 'specification',
            label: '规格',
            align: 'center',
            showOverflowTooltip: true
          },
          {
            prop: 'measuringUnit',
            label: '计量单位',
            showOverflowTooltip: true,
            minWidth: 90
          },

          {
            prop: 'weightUnit',
            label: '重量单位',
            showOverflowTooltip: true,
            minWidth: 90
          },

          {
            prop: 'roughWeight',
            label: '毛重',
            showOverflowTooltip: true,
            minWidth: 90
          },

          {
            prop: 'netWeight',
            label: '净重',
            showOverflowTooltip: true,
            minWidth: 90
          },

          {
            prop: 'packingUnit',
            align: 'center',
            label: '包装单位',
            showOverflowTooltip: true
          },
          {
            prop: 'categoryLevelPath',
            label: '分类',
            align: 'center',
            showOverflowTooltip: true
          },

          {
            action: 'action',
            slot: 'action',
            align: 'center',
            label: '选择'
          }
        ],
        title: null,
        categoryLevelId: null,
        radio: null,
        idx: null,

        isCategory: true,

        current: {},

        treeList: [],
        treeLoading: false,

        defaultProps: {
          children: 'children',
          label: 'name'
        }
      };
    },

    watch: {},
    methods: {
      /* 表格数据源 */
      datasource({ page, where, limit }) {
        return getMaterialList({
          ...where,
          pageNum: page,
          size: limit,
          categoryLevelId: this.isCategory ? this.categoryLevelId : null
        });
      },
      handleNodeClick(data) {
        this.isCategory = true;
        this.categoryLevelId = data.id;
        this.$refs.table.reload({ pageNum: 1, where: {} });
        this.$refs.searchRef.reset2();
      },
      /* 刷新表格 */
      reload(where) {
        this.isCategory = false;
        this.$refs.table.reload({ pageNum: 1, where: where });
      },
      open(list) {
        this.selectList = list;
        this.getTreeData();
        this.visible = true;
      },

      async getTreeData() {
        try {
          this.treeLoading = true;

          const res = await  getTreeByGroup({ type: 1 });
          this.treeLoading = false;
          if (res?.code === '0') {
            this.treeList = res.data;

            this.$nextTick(() => {
              // 默认高亮第一级树节点
              if (this.treeList[0]) {
                this.rootTreeId = this.treeList[0].id;
                this.$nextTick(() => {
                  this.$refs.treeRef.setCurrentKey(this.treeList[0].id);
                });
              }
            });
            return this.treeList;
          }
        } catch (error) {}
        this.treeLoading = false;
      },
      handleClose() {
        this.visible = false;
        this.current = null;
        this.radio = '';
      },

      selected() {
        if (this.selection.length <= 0) {
          return this.$message.warning('请至少选择一条数据');
        }
        this.$emit('selection',this.selection);
        this.handleClose();
      }
    }
  };
</script>

<style lang="scss" scoped>
  .tree_col {
    border: 1px solid #eee;
    padding: 10px 0;
    box-sizing: border-box;
    height: 500px;
    overflow: auto;
  }

  .table_col {
    padding-left: 10px;

    ::v-deep .el-table th.el-table__cell {
      background: #f2f2f2;
    }
  }

  .pagination {
    text-align: right;
    padding: 10px 0;
  }

  .btns {
    text-align: center;
    padding: 10px 0;
  }

  .topsearch {
    margin-bottom: 15px;
  }
</style>
