<template>
  <a-page-header :title="pageTitle" @back="() => $router.go(-1)">
    <a-card :bordered="false" :body-style="{ padding: '16px' }">
      <ele-pro-table
        ref="tableRef"
        row-key="id"
        :columns="columns"
        :datasource="datasource"
        :customRow="customRow"
        v-model:selection="selection"
        tool-class="ele-toolbar-form"
        class="sys-org-table"
      >
        <template #toolbar>
          <search
            :selection="selection"
            @add="openEdit"
            @remove="removeBatch"
          />
        </template>
        <template #bodyCell="{ column, record }">
          <template v-if="column.key === 'status'">
            <a-tag v-if="record.status === 0" color="green">启用</a-tag>
            <a-tag v-else color="red">禁用</a-tag>
          </template>
          <template v-if="column.key === 'action'">
            <a-space>
              <a @click="openEdit(record)">修改</a>
              <a-divider type="vertical" />
              <a-popconfirm
                title="确定要删除此记录吗？"
                @confirm="remove(record)"
              >
                <a class="ele-text-danger">删除</a>
              </a-popconfirm>
            </a-space>
          </template>
        </template>
      </ele-pro-table>
    </a-card>

    <!-- 编辑弹窗 -->
    <ShopExpressTemplateDetailEdit
      v-model:visible="showEdit"
      :data="current"
      :template-id="templateId"
      :template-type="templateType"
      @done="reload"
    />
  </a-page-header>
</template>

<script lang="ts" setup>
  import { createVNode, ref, computed, onMounted } from 'vue';
  import { useRoute } from 'vue-router';
  import { message, Modal } from 'ant-design-vue';
  import { ExclamationCircleOutlined } from '@ant-design/icons-vue';
  import type { EleProTable } from 'ele-admin-pro';
  import { toDateString } from 'ele-admin-pro';
  import type {
    DatasourceFunction,
    ColumnItem
  } from 'ele-admin-pro/es/ele-pro-table/types';
  import Search from './components/search.vue';
  import { getPageTitle } from '@/utils/common';
  import ShopExpressTemplateDetailEdit from './components/shopExpressTemplateDetailEdit.vue';
  import {
    pageShopExpressTemplateDetail,
    removeShopExpressTemplateDetail,
    removeBatchShopExpressTemplateDetail
  } from '@/api/shop/shopExpressTemplateDetail';
  import type {
    ShopExpressTemplateDetail,
    ShopExpressTemplateDetailParam
  } from '@/api/shop/shopExpressTemplateDetail/model';
  import { getRegionsData } from '@/components/RegionsSelect/load-data';

  const route = useRoute();
  const tableRef = ref<InstanceType<typeof EleProTable> | null>(null);

  // 从路由参数获取模板信息
  const templateId = Number(route.query.templateId) || undefined;
  const templateTitle = (route.query.title as string) || '';
  const templateType = route.query.type !== 'false'; // 默认 true（按件）

  // 页面标题
  const pageTitle = computed(() => {
    return templateTitle
      ? `${templateTitle} - 配送区域`
      : (getPageTitle() as string);
  });

  // 地区ID→名称映射
  const regionMap = ref<Record<string, string>>({});

  // 表格选中数据
  const selection = ref<ShopExpressTemplateDetail[]>([]);
  // 当前编辑数据
  const current = ref<ShopExpressTemplateDetail | null>(null);
  // 是否显示编辑弹窗
  const showEdit = ref(false);

  // 表格数据源（自动按 templateId 过滤）
  const datasource: DatasourceFunction = ({
    page,
    limit,
    where,
    orders,
    filters
  }) => {
    if (filters) {
      where.status = filters.status;
    }
    return pageShopExpressTemplateDetail({
      templateId: templateId,
      ...where,
      ...orders,
      page,
      limit
    });
  };

  // 表格列配置
  const columns = ref<ColumnItem[]>([
    {
      title: '配送地区',
      key: 'region',
      align: 'center',
      width: 150,
      customRender: ({ record }) => {
        const province = record.provinceId
          ? regionMap.value[String(record.provinceId)]
          : '';
        const city = record.cityId
          ? regionMap.value[String(record.cityId)]
          : '';
        if (!province && !city) return '默认全国';
        return city ? `${province} / ${city}` : province;
      }
    },
    {
      title: '首件数量/重量',
      dataIndex: 'firstNum',
      key: 'firstNum',
      align: 'center',
      width: 120
    },
    {
      title: '首件价格',
      dataIndex: 'firstAmount',
      key: 'firstAmount',
      align: 'center',
      width: 100
    },
    {
      title: '续件数量/重量',
      dataIndex: 'extraNum',
      key: 'extraNum',
      align: 'center',
      width: 120
    },
    {
      title: '续件价格',
      dataIndex: 'extraAmount',
      key: 'extraAmount',
      align: 'center',
      width: 100
    },
    {
      title: '状态',
      dataIndex: 'status',
      key: 'status',
      align: 'center',
      width: 80
    },
    {
      title: '排序',
      dataIndex: 'sortNumber',
      key: 'sortNumber',
      align: 'center',
      width: 80,
      sorter: true
    },
    {
      title: '创建时间',
      dataIndex: 'createTime',
      key: 'createTime',
      align: 'center',
      width: 120,
      sorter: true,
      ellipsis: true,
      customRender: ({ text }) => toDateString(text, 'yyyy-MM-dd')
    },
    {
      title: '操作',
      key: 'action',
      width: 140,
      fixed: 'right',
      align: 'center',
      hideInSetting: true
    }
  ]);

  /* 搜索 */
  const reload = (where?: ShopExpressTemplateDetailParam) => {
    selection.value = [];
    tableRef?.value?.reload({ where: where });
  };

  /* 打开编辑弹窗 */
  const openEdit = (row?: ShopExpressTemplateDetail) => {
    current.value = row ?? null;
    showEdit.value = true;
  };

  /* 删除单个 */
  const remove = (row: ShopExpressTemplateDetail) => {
    const hide = message.loading('请求中..', 0);
    removeShopExpressTemplateDetail(row.id)
      .then((msg) => {
        hide();
        message.success(msg);
        reload();
      })
      .catch((e) => {
        hide();
        message.error(e.message);
      });
  };

  /* 批量删除 */
  const removeBatch = () => {
    if (!selection.value.length) {
      message.error('请至少选择一条数据');
      return;
    }
    Modal.confirm({
      title: '提示',
      content: '确定要删除选中的记录吗?',
      icon: createVNode(ExclamationCircleOutlined),
      maskClosable: true,
      onOk: () => {
        const hide = message.loading('请求中..', 0);
        removeBatchShopExpressTemplateDetail(
          selection.value.map((d) => d.id)
        )
          .then((msg) => {
            hide();
            message.success(msg);
            reload();
          })
          .catch((e) => {
            hide();
            message.error(e.message);
          });
      }
    });
  };

  /* 自定义行属性 */
  const customRow = (record: ShopExpressTemplateDetail) => {
    return {
      onDblclick: () => {
        openEdit(record);
      }
    };
  };

  /* 加载地区数据，建立ID→名称映射 */
  onMounted(() => {
    getRegionsData().then((data) => {
      const map: Record<string, string> = {};
      data.forEach((province) => {
        map[province.value] = province.label;
        if (province.children) {
          province.children.forEach((city) => {
            map[city.value] = city.label;
          });
        }
      });
      regionMap.value = map;
    });
  });
</script>

<script lang="ts">
  export default {
    name: 'ShopExpressTemplateDetail'
  };
</script>

<style lang="less" scoped></style>
