import { getArticlesPaginated } from '@/lib/feature/article/article.external';
import { ArticleListPagination } from '@/ui/components/internal/article-list-pagination';
import { DeleteArticleButton } from '@/ui/components/internal/article/delete-article-button';
import { Button } from '@/ui/components/shadcn/button';
import {
    Table,
    TableBody,
    TableCell,
    TableHead,
    TableHeader,
    TableRow,
} from '@/ui/components/shadcn/table';
import { FileTextIcon, PencilIcon } from 'lucide-react';
import Link from 'next/link';

type AdminArticleListProps = {
    searchParams: Promise<{ page?: string; pageSize?: string }>;
    defaultPageSize: number;
};

const formatDate = (date: Date) =>
    new Intl.DateTimeFormat('en-US', {
        year: 'numeric',
        month: 'short',
        day: 'numeric',
    }).format(date);

export const AdminArticleList = async ({
    searchParams,
    defaultPageSize,
}: AdminArticleListProps) => {
    const { page: pageParam, pageSize: pageSizeParam } = await searchParams;
    const page = Math.max(1, Number(pageParam) || 1);
    const pageSize = Number(pageSizeParam) || defaultPageSize;

    const paginationResult = await getArticlesPaginated(page, pageSize);

    if (!paginationResult.ok) {
        return (
            <div className='flex min-h-64 flex-col items-center justify-center gap-3 rounded-xl border border-dashed border-border text-center'>
                <FileTextIcon className='size-10 text-muted-foreground/40' />
                <p className='text-muted-foreground'>
                    Failed to load articles. Please try again later.
                </p>
            </div>
        );
    }

    const {
        data: articles,
        totalPages,
        total,
        page: currentPage,
    } = paginationResult.value;

    if (articles.length === 0) {
        return (
            <div className='flex min-h-64 flex-col items-center justify-center gap-3 rounded-xl border border-dashed border-border text-center'>
                <FileTextIcon className='size-10 text-muted-foreground/40' />
                <p className='text-muted-foreground'>No articles yet.</p>
            </div>
        );
    }

    return (
        <>
            <p className='mb-4 text-sm text-muted-foreground'>
                {total} article{total === 1 ? '' : 's'} published
            </p>

            <div className='rounded-lg border border-border'>
                <Table>
                    <TableHeader>
                        <TableRow className='hover:bg-transparent'>
                            <TableHead className='w-16'>Cover</TableHead>
                            <TableHead className='w-56'>Title</TableHead>
                            <TableHead>Description</TableHead>
                            <TableHead className='w-32'>Published</TableHead>
                            <TableHead className='w-32 text-right'>
                                Actions
                            </TableHead>
                        </TableRow>
                    </TableHeader>
                    <TableBody>
                        {articles.map((article) => (
                            <TableRow key={article.externalId}>
                                <TableCell>
                                    <div className='size-12 shrink-0 overflow-hidden rounded-md bg-muted'>
                                        {article.coverImageUrl ? (
                                            // eslint-disable-next-line @next/next/no-img-element
                                            <img
                                                src={article.coverImageUrl}
                                                alt=''
                                                className='h-full w-full object-cover'
                                            />
                                        ) : (
                                            <div className='flex h-full items-center justify-center'>
                                                <span className='font-mono text-xs font-bold text-muted-foreground/30'>
                                                    {'{}'}
                                                </span>
                                            </div>
                                        )}
                                    </div>
                                </TableCell>

                                <TableCell className='whitespace-normal'>
                                    <Link
                                        href={`/article/${article.slug}`}
                                        className='font-medium leading-snug hover:text-primary hover:underline underline-offset-4'
                                    >
                                        {article.title}
                                    </Link>
                                    <p className='mt-0.5 text-xs text-muted-foreground'>
                                        /{article.slug}
                                    </p>
                                </TableCell>

                                <TableCell className='whitespace-normal'>
                                    <p className='line-clamp-2 text-sm text-muted-foreground'>
                                        {article.description}
                                    </p>
                                </TableCell>

                                <TableCell className='text-sm text-muted-foreground'>
                                    <time
                                        dateTime={article.createdAt.toISOString()}
                                    >
                                        {formatDate(article.createdAt)}
                                    </time>
                                </TableCell>

                                <TableCell>
                                    <div className='flex items-center justify-end gap-2'>
                                        <Button
                                            asChild
                                            variant='outline'
                                            size='sm'
                                        >
                                            <Link
                                                href={`/admin/article/${article.externalId}`}
                                            >
                                                <PencilIcon className='size-3.5' />
                                                Edit
                                            </Link>
                                        </Button>
                                        <DeleteArticleButton
                                            externalID={article.externalId}
                                            title={article.title}
                                        />
                                    </div>
                                </TableCell>
                            </TableRow>
                        ))}
                    </TableBody>
                </Table>
            </div>

            {totalPages > 1 && (
                <div className='mt-6 flex items-center justify-between gap-4'>
                    <p className='text-sm text-muted-foreground'>
                        Page {currentPage} of {totalPages}
                    </p>
                    <ArticleListPagination
                        currentPage={currentPage}
                        totalPages={totalPages}
                        baseUrl='/admin'
                    />
                </div>
            )}
        </>
    );
};