import { NextRequest, NextResponse } from "next/server";
import { getDb } from "@/lib/db";
import { withLogoUrl } from "@/lib/logo";

export async function GET(_req: NextRequest, { params }: { params: Promise<{ id: string }> }) {
  const { id } = await params;
  const numId = Number(id);
  if (!Number.isInteger(numId)) return NextResponse.json({ error: "not found" }, { status: 404 });
  const db = getDb();
  const v = await db.voucher.findUnique({ where: { id: numId }, include: { contacts: { include: { contact: true } } } });
  if (!v) return NextResponse.json({ error: "not found" }, { status: 404 });
  return NextResponse.json(await withLogoUrl(v));
}

export async function POST(req: NextRequest, { params }: { params: Promise<{ id: string }> }) {
  const { id } = await params;
  const numId = Number(id);
  if (!Number.isInteger(numId)) return NextResponse.json({ error: "not found" }, { status: 404 });
  const body = await req.json().catch(() => ({}));
  if (body.action !== "redeem") return NextResponse.json({ error: "unknown action" }, { status: 400 });
  const db = getDb();
  const v = await db.voucher.findUnique({ where: { id: numId } });
  if (!v) return NextResponse.json({ error: "not found" }, { status: 404 });
  const updated = await db.voucher.update({ where: { id: v.id }, data: { status: "eingeloest", restCents: 0 } });
  return NextResponse.json(updated);
}