import * as React from 'react';
import { type Metadata } from 'next';
import { Shell } from '@/components/shell';
import { DataTableSkeleton } from '@/components/data-table/data-table-skeleton';
import { type SearchParams } from '@/types/table';
import { getValidFilters } from '@/lib/data-table';

import { getApprovalLineList } from '@/lib/approval-line/service';
import { SearchParamsApprovalLineCache } from '@/lib/approval-line/validations';
import { ApprovalLineTable } from '@/lib/approval-line/table/approval-line-table';

import { useTranslation } from "@/i18n";

export const metadata: Metadata = {
  title: '결재선 관리',
  description: '결재용 결재선을 관리합니다.',
};

interface PageProps {
  params: Promise<{ lng: string }>;
  searchParams: Promise<SearchParams>;
}

export default async function ApprovalLinePage(props: PageProps) {
  const { lng } = await props.params
  const { t } = await useTranslation(lng, 'menu')
  const searchParams = await props.searchParams;
  const search = SearchParamsApprovalLineCache.parse(searchParams);
  // getValidFilters 반환값이 undefined 인 경우 폴백
  const validFilters = getValidFilters(search.filters) ?? [];

  const promises = Promise.all([
    getApprovalLineList({
      ...search,
      filters: validFilters,
    }),
  ]);

  return (
    <Shell className="gap-2">
      <div className="flex items-center justify-between space-y-2">
        <div className="flex items-center justify-between space-y-2">
          <div>
            <div className="flex items-center gap-2">
              <h2 className="text-2xl font-bold tracking-tight">{t('menu.information_system.approval_line')}</h2>
            </div>
          </div>
        </div>
      </div>

      {/* 테이블 */}
      <React.Suspense
        fallback={
          <DataTableSkeleton
            columnCount={7}
            searchableColumnCount={1}
            filterableColumnCount={2}
            cellWidths={[
              '10rem',
              '20rem',
              '12rem',
              '30rem',
              '12rem',
              '12rem',
              '8rem',
            ]}
            shrinkZero
          />
        }
      >
        <ApprovalLineTable promises={promises} />
      </React.Suspense>
    </Shell>
  );
}