// Public REST: a single guild (guilds) with its member count
// (guilds_members). AtomCMS JSON API parity. Returns { error } (404) when the
// id is unknown. The owner is the user_id column (accessor userId), surfaced
// here as ownerId.
import { apiJson } from "@/lib/api";
import { prisma } from "@/lib/prisma";

export const dynamic = "force-dynamic";

export async function GET(_req: Request, { params }: { params: Promise<{ id: string }> }) {
  const { id } = await params;

  if (!/^\d+$/.test(id)) {
    return apiJson({ error: "Guild not found" }, { status: 404 });
  }
  const guildId = Number(id);

  try {
    const guild = await prisma.guilds.findUnique({
      where: { id: guildId },
      select: {
        id: true,
        name: true,
        description: true,
        userId: true,
        roomId: true,
        badge: true,
        dateCreated: true,
      },
    });

    if (!guild) {
      return apiJson({ error: "Guild not found" }, { status: 404 });
    }

    // Member count is a separate guarded query (no relation is modelled).
    let memberCount = 0;
    try {
      memberCount = await prisma.guildsMembers.count({
        where: { guildId: guild.id },
      });
    } catch {
      memberCount = 0;
    }

    const { userId, ...rest } = guild;
    return apiJson({ data: { ...rest, ownerId: userId, memberCount } });
  } catch {
    // DB unavailable — treat as not found rather than a 500.
    return apiJson({ error: "Guild not found" }, { status: 200 });
  }
}