// Public REST: hotel guilds (guilds). AtomCMS JSON API parity — read-only,
// paginated list ordered newest first (by id), exposing the basic public
// fields. The owner is stored as the user_id column (accessor userId), surfaced
// here as ownerId for API clarity.
import { count, desc } from "drizzle-orm";
import { apiJson, pagination } from "@/lib/api";
import { db, Guilds } from "@/lib/db";

export async function GET(req: Request) {
	const sp = new URL(req.url).searchParams;
	const { page, perPage, skip, take } = pagination(sp);

	try {
		const [totalRows, rows] = await Promise.all([
			db.select({ total: count() }).from(Guilds),
			db
				.select({
					id: Guilds.id,
					name: Guilds.name,
					description: Guilds.description,
					userId: Guilds.userId,
				})
				.from(Guilds)
				.orderBy(desc(Guilds.id))
				.limit(take)
				.offset(skip),
		]);
		const total = totalRows[0]?.total ?? 0;

		// Rename userId → ownerId for the public payload.
		const data = rows.map(({ userId, ...rest }) => ({
			...rest,
			ownerId: userId,
		}));

		return apiJson({
			data,
			meta: {
				page,
				perPage,
				total,
				lastPage: Math.max(1, Math.ceil(total / perPage)),
			},
		});
	} catch {
		// DB unreachable — never 500; return an empty, well-formed payload.
		return apiJson(
			{ data: [], meta: { page, perPage, total: 0, lastPage: 1 } },
			{ status: 200 },
		);
	}
}