<template>
  <slot name="tableTitle" v-if="$slots.tableTitle"></slot>

  <TableTitle :helpMessage="titleHelpMessage" :title="title" v-if="!$slots.tableTitle && title" />

  <div :class="`${prefixCls}__toolbar`">
    <slot name="toolbar"></slot>
    <Divider type="vertical" v-if="$slots.toolbar && showTableSetting" />
    <TableSetting
      :setting="tableSetting"
      v-if="showTableSetting"
      @columns-change="handleColumnChange"
    />
  </div>
</template>
<script lang="ts">
  import type { TableSetting, ColumnChangeParam } from '../types/table';
  import type { PropType } from 'vue';
  import { defineComponent } from 'vue';
  import { Divider } from 'ant-design-vue';
  import TableSettingComponent from './settings/index.vue';
  import TableTitle from './TableTitle.vue';
  import { useDesign } from '/@/hooks/web/useDesign';

  export default defineComponent({
    name: 'BasicTableHeader',
    components: {
      Divider,
      TableTitle,
      TableSetting: TableSettingComponent,
    },
    props: {
      title: {
        type: [Function, String] as PropType<string | ((data: Recordable) => string)>,
      },
      tableSetting: {
        type: Object as PropType<TableSetting>,
      },
      showTableSetting: {
        type: Boolean,
      },
      titleHelpMessage: {
        type: [String, Array] as PropType<string | string[]>,
        default: '',
      },
    },
    emits: ['columns-change'],
    setup(_, { emit }) {
      const { prefixCls } = useDesign('basic-table-header');
      function handleColumnChange(data: ColumnChangeParam[]) {
        emit('columns-change', data);
      }
      return { prefixCls, handleColumnChange };
    },
  });
</script>
<style lang="less">
  @prefix-cls: ~'@{namespace}-basic-table-header';

  .@{prefix-cls} {
    &__toolbar {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: flex-end;

      > * {
        margin-right: 8px;
      }
    }
  }
</style>
