<template>
  <JVxeTable
      ref="vTable"
      toolbar
      rowNumber
      rowSelection
      :maxHeight="580"
      :dataSource="dataSource"
      :columns="columns"
      :linkageConfig="linkageConfig"
  />
</template>

<script lang="ts" setup>
import { ref } from 'vue'
import { defHttp } from '/@/utils/http/axios'
import { JVxeTypes, JVxeColumn, JVxeLinkageConfig } from '/@/components/jeecg/JVxeTable/types'

// 联动配置
const linkageConfig = ref<JVxeLinkageConfig[]>([
  { requestData: requestMockData, key: 's1' },
  // 可配置多个联动
  { requestData: requestMenu, key: 'menu1' },
])

const columns = ref<JVxeColumn[]>([
  {
    title: '性别',
    key: 'sex',
    type: JVxeTypes.select,
    dictCode: 'sex',
    width: '180px',
    placeholder: '请选择${title}',
  },
  {
    title: '省/直辖市/自治区',
    key: 's1',
    type: JVxeTypes.select,
    width: '180px',
    placeholder: '请选择${title}',
    // 联动字段（即下一级的字段）
    linkageKey: 's2',
  },
  {
    title: '市',
    key: 's2',
    type: JVxeTypes.select,
    width: '180px',
    placeholder: '请选择${title}',
    // 联动字段（即下一级的字段）
    linkageKey: 's3',
  },
  {
    title: '县/区',
    key: 's3',
    type: JVxeTypes.select,
    width: '180px',
    options: [],
    placeholder: '请选择${title}',
  },
  {
    title: '一级菜单',
    key: 'menu1',
    type: JVxeTypes.select,
    width: '180px',
    placeholder: '请选择${title}',
    // 联动字段（即下一级的字段）
    linkageKey: 'menu2',
  },
  {
    title: '二级菜单',
    key: 'menu2',
    type: JVxeTypes.select,
    width: '180px',
    placeholder: '请选择${title}',
    // 联动字段（即下一级的字段）
    linkageKey: 'menu3',
  },
  {
    title: '三级菜单',
    key: 'menu3',
    type: JVxeTypes.select,
    width: '180px',
    placeholder: '请选择${title}',
  },
])

const dataSource = ref([
  { sex: '1', s1: '110000', s2: '110100', s3: '110101' },
  { sex: '2', s1: '130000', s2: '130300', s3: '130303' },
])

// 模拟数据
const mockData = [
  { text: '北京市', value: '110000', parent: '' },
  { text: '天津市', value: '120000', parent: '' },
  { text: '河北省', value: '130000', parent: '' },
  { text: '上海市', value: '310000', parent: '' },

  { text: '北京市', value: '110100', parent: '110000' },
  { text: '天津市市', value: '120100', parent: '120000' },
  { text: '石家庄市', value: '130100', parent: '130000' },
  { text: '唐山市', value: '130200', parent: '130000' },
  { text: '秦皇岛市', value: '130300', parent: '130000' },
  { text: '上海市', value: '310100', parent: '310000' },

  { text: '东城区', value: '110101', parent: '110100' },
  { text: '西城区', value: '110102', parent: '110100' },
  { text: '朝阳区', value: '110105', parent: '110100' },
  { text: '和平区', value: '120101', parent: '120100' },
  { text: '河东区', value: '120102', parent: '120100' },
  { text: '河西区', value: '120103', parent: '120100' },
  { text: '黄浦区', value: '310101', parent: '310100' },
  { text: '徐汇区', value: '310104', parent: '310100' },
  { text: '长宁区', value: '310105', parent: '310100' },
  { text: '长安区', value: '130102', parent: '130100' },
  { text: '桥西区', value: '130104', parent: '130100' },
  { text: '新华区', value: '130105', parent: '130100' },
  { text: '路南区', value: '130202', parent: '130200' },
  { text: '路北区', value: '130203', parent: '130200' },
  { text: '古冶区', value: '130204', parent: '130200' },
  { text: '海港区', value: '130302', parent: '130300' },
  { text: '山海关区', value: '130303', parent: '130300' },
  { text: '北戴河区', value: '130304', parent: '130300' },
]

/** 模拟从后台查询数据 */
function requestMockData(parent) {
  return new Promise(resolve => {
    let data = mockData.filter(i => i.parent === parent)
    setTimeout(() => resolve(data), 500)
  })
}

/** 查询后台真实数据 */
async function requestMenu(parent) {
  let result
  // 如果parent为空，则查询第一级菜单
  if (parent === '') {
    result = await defHttp.get({
      url: '/sys/permission/getSystemMenuList',
      params: {},
    })
  } else {
    result = await defHttp.get({
      url: '/sys/permission/getSystemSubmenu',
      params: { parentId: parent },
    })
  }
  // 返回的数据里必须包含 value 和 text 字段
  return result.map(item => ({ value: item.id, text: item.name }))
}

</script>