import { Button, Form, FormInstance, Input, Table } from "antd";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { debounce } from "lodash";
import { DageTableActions } from "@dage/pc-components";
import { messageApi } from "@/api";

const DEFAULT_PARAMS = {
  pageNum: 1,
  pageSize: 20,
  searchKey: "",
};

export default function MessagePage() {
  const formRef = useRef<FormInstance>(null);
  const [loading, setLoading] = useState(false);
  const [list, setList] = useState<[]>([]);
  const [params, setParams] = useState({
    ...DEFAULT_PARAMS,
  });
  const [total, setTotal] = useState(0);

  const getList = useCallback(async () => {
    setLoading(true);
    try {
      const data = await messageApi.getList(params);
      setList(data.records);
      setTotal(data.total);
    } finally {
      setLoading(false);
    }
  }, [params]);

  useEffect(() => {
    getList();
  }, [getList]);

  const handleDelete = useCallback(
    async (id: number) => {
      await messageApi.delete(id);
      getList();
    },
    [getList]
  );

  const COLUMNS = useMemo(() => {
    return [
      {
        title: "留言时间",
        dataIndex: "updateTime",
      },
      {
        title: "称号",
        dataIndex: "name",
      },
      {
        title: "联系方式",
        dataIndex: "phone",
      },
      {
        title: "正文",
        dataIndex: "content",
      },
      {
        title: "操作",
        render: (item: any) => {
          return (
            <DageTableActions
              showEdit={false}
              onDelete={handleDelete.bind(undefined, item.id)}
            />
          );
        },
      },
    ];
  }, [handleDelete]);

  const handleReset = useCallback(() => {
    setParams({ ...DEFAULT_PARAMS });
    setTimeout(() => {
      formRef.current?.resetFields();
    });
  }, [formRef]);

  const debounceSearch = useMemo(
    () =>
      debounce((changedVal: unknown, vals: any) => {
        setParams({ ...params, ...vals });
      }, 500),
    [params]
  );

  const paginationChange = useCallback(
    () => (pageNum: number, pageSize: number) => {
      setParams({ ...params, pageNum, pageSize });
    },
    [params]
  );

  return (
    <div className="information">
      <Form ref={formRef} layout="inline" onValuesChange={debounceSearch}>
        <Form.Item label="搜索项" name="searchKey">
          <Input placeholder="请输入" maxLength={10} showCount allowClear />
        </Form.Item>
        <Form.Item>
          <Button onClick={handleReset}>重置</Button>
        </Form.Item>
      </Form>

      <Table
        loading={loading}
        className="page-table"
        dataSource={list}
        columns={COLUMNS}
        rowKey="id"
        pagination={{
          showQuickJumper: true,
          position: ["bottomCenter"],
          showSizeChanger: true,
          current: params.pageNum,
          pageSize: params.pageSize,
          total,
          onChange: paginationChange(),
        }}
      />
    </div>
  );
}
