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 { useNavigate, useSearchParams } from "react-router-dom";
import { questionaireApi } from "@/api";

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

export default function InformationPage() {
  const navigate = useNavigate();
  const [searchParams, setSearchParams] = useSearchParams();
  const formRef = useRef<FormInstance>(null);
  const [loading, setLoading] = useState(false);
  const [list, setList] = useState<[]>([]);
  const [params, setParams] = useState({
    ...DEFAULT_PARAMS,
    searchKey: searchParams.get("searchKey") || "",
  });
  const [total, setTotal] = useState(0);

  useEffect(() => {
    setSearchParams({
      searchKey: params.searchKey,
    });
  }, [params.searchKey, setSearchParams]);

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

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

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

  const COLUMNS = useMemo(() => {
    return [
      {
        title: "标题",
        dataIndex: "name",
      },
      {
        title: "问题数量",
        dataIndex: "pcsQuestion",
      },
      {
        title: "已收集份数",
        dataIndex: "pcsGather",
      },
      {
        title: "发布日期",
        dataIndex: "publishDate",
      },
      {
        title: "展示状态",
        render: (item: any) => {
          return item.display ? "展示" : "不展示";
        },
      },
      {
        title: "操作",
        render: (item: any) => {
          return (
            <DageTableActions
              onEdit={() => navigate(`/questionnaire/edit/${item.id}`)}
              onDelete={handleDelete.bind(undefined, item.id)}
            />
          );
        },
      },
    ];
  }, [navigate, handleDelete]);

  const handleReset = useCallback(() => {
    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"
        initialValues={params}
        onValuesChange={debounceSearch}
      >
        <Form.Item label="搜索项" name="searchKey">
          <Input
            placeholder="请输入标题，最多10字"
            maxLength={10}
            showCount
            allowClear
          />
        </Form.Item>
        <Form.Item>
          <Button
            type="primary"
            onClick={() => navigate("/questionnaire/create")}
          >
            新增
          </Button>
        </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>
  );
}