import { db } from "@/lib/db";
import { requireAdmin } from "@/lib/admin";

export const dynamic = "force-dynamic";

type AdminWithUser = {
  id: string;
  discordId: string;
  user: {
    name?: string | null;
    email?: string | null;
    discordUsername?: string | null;
  } | null;
};

export async function GET() {
  const guard = await requireAdmin();
  if (!guard.ok) return guard.response;

  const admins = await db.admin.findMany({
    orderBy: { createdAt: "desc" },
    include: { user: true },
  });

  const adminUsers = admins as AdminWithUser[];

  return Response.json(
    adminUsers.map((admin) => ({
      id: admin.id,
      discordId: admin.discordId,
      user: admin.user
        ? {
            name: admin.user.name,
            email: admin.user.email,
            discordUsername: admin.user.discordUsername,
          }
        : null,
    }))
  );
}

export async function POST(request: Request) {
  const guard = await requireAdmin();
  if (!guard.ok) return guard.response;

  const body = await request.json();
  const discordId = body?.discordId?.toString().trim();

  if (!discordId) {
    return Response.json({ error: "Discord ID required" }, { status: 400 });
  }

  const user = await db.user.findUnique({ where: { discordId } });
  if (!user) {
    return Response.json({ error: "User not found" }, { status: 404 });
  }

  const admin = await db.admin.upsert({
    where: { discordId },
    update: {},
    create: { discordId, userId: user.id },
  });

  return Response.json({
    id: admin.id,
    discordId: admin.discordId,
    user: {
      name: user.name,
      email: user.email,
      discordUsername: user.discordUsername,
    },
  });
}