<template>
  <!-- 搜索框 -->
  <div class="search-box">
    <a-form layout="inline">
      <a-space>
        <a-form-item label="订单号">
          <a-input-search
              style="width: 200px"
              placeholder="请输入订单号"
              enter-button
              @search="handleSearch"
              v-model:value="searchOrderNumber"
              class="custom-search"
          />
        </a-form-item>

        <a-form-item label="订单状态">
          <a-select
              style="width: 120px"
              placeholder="请选择"
              v-model:value="searchOrderStatus"
              @change="handleSearch"
          >
            <a-select-option value="">全部</a-select-option>
            <a-select-option value="交易关闭">交易关闭</a-select-option>
            <a-select-option value="交易成功">交易成功</a-select-option>
            <a-select-option value="待支付">待支付</a-select-option>
            <a-select-option value="已退款">已退款</a-select-option>
          </a-select>
        </a-form-item>

        <a-button class="custom-button" @click="reset">重置搜索</a-button>
        <a-button
            class="custom-button danger"
            :disabled="selectedRowKeys.length === 0"
            @click="showDeleteConfirm"
        >
          批量删除
        </a-button>
      </a-space>
    </a-form>
  </div>

  <!--  数据-->
  <a-table
      :columns="columns"
      :data-source="tableData"
      :scroll="{ x: 2000, y: 550 }"
      :loading="loading"
      :pagination="pagination"
      :row-selection="rowSelection"
      bordered
      rowKey="id"
      @change="handleTableChange"
  >
    <template #bodyCell="{ column, record }">
      <!-- 课程图片 -->
      <template v-if="column.key === 'image'">
        <a-avatar :src="downLoadImage+record.image" shape="square" :size="64"/>
      </template>

      <!-- 金额字段 -->
      <template v-if="column.key === 'originPrice'">
        {{ record.originPrice }}￥
      </template>

      <template v-if="column.key === 'discountPrice'">
        {{ record.discountPrice }}￥
      </template>

      <template v-if="column.key === 'totalAmount'">
        {{ record.totalAmount }}￥
      </template>

      <!-- 订单状态 -->
      <template v-if="column.key === 'orderStatus'">
        <a-tag
            :color="getStatusColor(record.orderStatus)"
        >
          {{ record.orderStatus }}
        </a-tag>
      </template>

      <!-- 操作列 -->
      <template v-if="column.key === 'action'">
        <a-space :size="8">
          <a-button
              size="small"
              danger
              @click="deleteOrder(record.id)"
          >
            删除
          </a-button>
          <a-button
              size="small"
              primary

          >
            退款
          </a-button>
        </a-space>
      </template>
    </template>
  </a-table>
</template>

<script lang="ts" setup>
import { onMounted, ref } from "vue";
import myAxios from "../../api/myAxios.ts";
import { message, Modal } from "ant-design-vue";
import {downLoadImage} from "../../api/ImageUrl.ts";

const loading = ref(false);
const selectedRowKeys = ref<number[]>([]); // 存储选中的行ID

// 搜索参数
const searchOrderNumber = ref("");
const searchOrderStatus = ref("");

// 分页查询参数
const searchParams = ref({
  current: 1,
  pageSize: 10,
  sortField: "id",
  sortOrder: "ascend",
  orderNumber: "",
  orderStatus: ""
});

// 行选择配置
const rowSelection = ref({
  selectedRowKeys: selectedRowKeys,
  onChange: (selectedKeys: number[]) => {
    selectedRowKeys.value = selectedKeys;
  }
});

// 订单表格列定义
const columns = [
  {
    title: '订单ID',
    dataIndex: 'id',
    width: 85,
    key: 'id',
    fixed: 'left',
    align: 'center',
    sorter: true,
    sortDirections: ['ascend', 'descend']
  },
  {
    title: '订单号',
    dataIndex: 'orderNumber',
    width: 200,
    key: 'orderNumber',
    fixed: 'left',
    align: 'center'
  },
  {
    title: '课程图片',
    dataIndex: 'image',
    key: 'image',
    width: 75,
    align: 'center'
  },
  {
    title: '用户ID',
    dataIndex: 'userId',
    width: 90,
    key: 'userId',
    align: 'center'
  },{
    title: '课程ID',
    dataIndex: 'courseId',
    width: 90,
    key: 'courseId',
    align: 'center'
  },
  {
    title: '课程名称',
    dataIndex: 'name',
    width: 140,
    key: 'name',
    align: 'center'
  },
  {
    title: '课程类别',
    dataIndex: 'type',
    width: 75,
    key: 'type',
    align: 'center'
  },
  {
    title: '课程原价',
    dataIndex: 'originPrice',
    width: 95,
    key: 'originPrice',
    align: 'center',
    sorter: true,
    sortDirections: ['ascend', 'descend']
  },
  {
    title: '折扣价格',
    dataIndex: 'discountPrice',
    key: 'discountPrice',
    width: 95,
    align: 'center',
    sorter: true,
    sortDirections: ['ascend', 'descend']
  },
  {
    title: '订单金额',
    dataIndex: 'totalAmount',
    key: 'totalAmount',
    width: 95,
    align: 'center',
    sorter: true,
    sortDirections: ['ascend', 'descend']
  },
  {
    title: '交易号',
    dataIndex: 'transactionNumber',
    key: 'transactionNumber',
    width: 150,
    align: 'center'
  },
  {
    title: '订单状态',
    dataIndex: 'orderStatus',
    key: 'orderStatus',
    width: 75,
    align: 'center'
  },
  {
    title: '创建时间',
    dataIndex: 'createTime',
    key: 'createTime',
    width: 150,
    align: 'center',
    sorter: true,
    sortDirections: ['ascend', 'descend']
  },
  {
    title: '更新时间',
    dataIndex: 'updateTime',
    key: 'updateTime',
    width: 150,
    align: 'center',
    sorter: true,
    sortDirections: ['ascend', 'descend']
  },
  {
    title: '操作',
    key: 'action',
    fixed: 'right',
    width: 130,
    align: 'center'
  }
];

// 订单搜索方法
const handleSearch = async () => {
  searchParams.value.orderNumber = searchOrderNumber.value;
  searchParams.value.orderStatus = searchOrderStatus.value;
  searchParams.value.current = 1; // 重置到第一页
  await getOrderList();
};

// 订单分页查询
const getOrderList = async () => {
  loading.value = true;
  try {
    const storedToken = localStorage.getItem('token');
    if (!storedToken) throw new Error('未找到登录信息');

    const res: any = await myAxios.post("/courseOrder/page", searchParams.value,
        { headers: { Authorization: storedToken } }
    );
    console.log(res)
    if (res.code === 1 && res.data && Array.isArray(res.data.records)) {
      tableData.value = res.data.records;
      // 同步总条数到分页组件
      pagination.value.total = res.data.total;
    } else {
      message.error(res.message || '请求失败');
    }
  } catch (error) {
    console.error("请求失败:", error);
    message.error('获取数据失败');
  } finally {
    loading.value = false;
  }
};

onMounted(getOrderList);

// 分页配置
const pagination = ref({
  current: 1,
  pageSize: 10,
  total: 0,
  showSizeChanger: true,
  showQuickJumper: true,
  showTotal: (total: number) => `共 ${total} 条`,
  pageSizeOptions: ['10', '20', '50', '100']
});

// 处理分页和排序变化
const handleTableChange = (pag: any, _filters: any, sorter: any) => {
  searchParams.value.current = pag.current;
  searchParams.value.pageSize = pag.pageSize;

  // 处理排序
  if (sorter && sorter.field) {
    const sortField = sorter.field;

    const sortOrder = sorter.order ? sorter.order : '';

    searchParams.value.sortField = sortField;
    searchParams.value.sortOrder = sortOrder;
  } else {

    searchParams.value.sortField = "id";
    searchParams.value.sortOrder = "ascend";
  }

  // 同步到分页组件
  pagination.value.current = pag.current;
  pagination.value.pageSize = pag.pageSize;

  getOrderList();
};

// 订单接口定义
interface Order {
  id: number;
  orderNumber: string;
  name: string;
  type: string;
  image: string;
  originprice: number;
  discountprice: number;
  totalAmount: number;
  transactionNumber: string | null;
  orderStatus: string;
  createtime: string;
  updateTime: string;
}

const tableData = ref<Order[]>([]);

// 获取状态颜色
const getStatusColor = (status: string) => {
  switch (status) {
    case '交易成功':
      return 'green';
    case '待支付':
      return 'orange';
    case '交易关闭':
      return 'red';
    case '已退款':
      return 'blue';
    default:
      return 'gray';
  }
};

// 删除订单
const deleteOrder = (id: number) => {
  Modal.confirm({
    title: '确认删除',
    content: '确定要删除该订单吗？删除后数据将无法恢复！',
    okText: '确认',
    cancelText: '取消',
    onOk: async () => {
      try {
        const storedToken = localStorage.getItem('token');
        const res: any = await myAxios.post(
            "/courseOrder/delete",
            { id },
            { headers: { Authorization: storedToken } }
        );

        if (res.code === 1) {
          message.success('删除成功');
          await getOrderList();
        } else {
          message.error(res.message || '删除失败');
        }
      } catch (error) {
        console.error('删除失败:', error);
        message.error('删除操作失败');
      }
    }
  });
};

// 批量删除确认弹窗
const showDeleteConfirm = () => {
  if (selectedRowKeys.value.length === 0) {
    message.warning('请至少选择一个订单');
    return;
  }

  Modal.confirm({
    title: '确认批量删除',
    content: `确定要删除选中的 ${selectedRowKeys.value.length} 个订单吗？删除后数据将无法恢复！`,
    okText: '确认',
    cancelText: '取消',
    onOk: deleteBatchOrders
  });
};

// 批量删除方法
const deleteBatchOrders = async () => {
  try {
    const storedToken = localStorage.getItem('token');
    const res: any = await myAxios.post(
        "/courseOrder/delBatch",
        { ids: selectedRowKeys.value },
        { headers: { Authorization: storedToken } }
    );

    if (res.code === 1) {
      message.success(`成功删除 ${selectedRowKeys.value.length} 个订单`);
      selectedRowKeys.value = []; // 清空选择
      await getOrderList(); // 刷新列表
    } else {
      message.error(res.message || '批量删除失败');
    }
  } catch (error) {
    console.error('批量删除失败:', error);
    message.error('批量删除操作失败');
  }
};

// 重置搜索条件
const reset = () => {
  searchOrderNumber.value = "";
  searchOrderStatus.value = "";
  selectedRowKeys.value = [];

  searchParams.value = {
    current: 1,
    pageSize: 10,
    sortField: "id",
    sortOrder: "ascend",
    orderNumber: "",
    orderStatus: ""
  };

  getOrderList();
};

</script>

<style scoped>
.search-box {
  margin-bottom: 10px;
}

.danger {
  background-color: #ff4d4f !important;
  border-color: #ff4d4f !important;
}

.custom-button {
  background-color: #ffa940;
  border-color: #ffa940;
  color: #fff;
}

.custom-search :deep(.ant-input-search-button) {
  background-color: #ffa940;
  border-color: #ffa940;
}
</style>