import { count, desc } from "drizzle-orm";
import { apiJson, pagination } from "@/lib/api";
import { db, WebsiteArticles } from "@/lib/db";

/**
 * GET /api/articles — paginated list of website_articles, newest first.
 * Mirrors the /news page query. Returns list cards (shortStory only, never
 * fullStory) plus pagination metadata.
 */
export async function GET(req: Request) {
	const sp = new URL(req.url).searchParams;
	const { page, perPage, skip, take } = pagination(sp);

	try {
		const [totalRows, articles] = await Promise.all([
			db.select({ total: count() }).from(WebsiteArticles),
			db
				.select({
					id: WebsiteArticles.id,
					title: WebsiteArticles.title,
					slug: WebsiteArticles.slug,
					shortStory: WebsiteArticles.shortStory,
					image: WebsiteArticles.image,
					createdAt: WebsiteArticles.createdAt,
				})
				.from(WebsiteArticles)
				.orderBy(desc(WebsiteArticles.createdAt))
				.limit(take)
				.offset(skip),
		]);
		const total = totalRows[0]?.total ?? 0;

		return apiJson({
			data: articles,
			meta: {
				page,
				perPage,
				total,
				lastPage: Math.max(1, Math.ceil(total / perPage)),
			},
		});
	} catch {
		// DB unavailable — return an empty payload instead of a 500.
		return apiJson(
			{ data: [], meta: { page, perPage, total: 0, lastPage: 1 } },
			{ status: 200 },
		);
	}
}