import { performAction, sellPlane } from '@/lib/game/actions';

// POST /api/market/sell-plane (v0.8.0) — body { planeId: string }. Sells a grounded
// plane for 50% of its catalog price and deletes the row. 400 missing/non-string
// planeId or unknown fields; 404 unknown id; 409 if the plane is flying or it is
// the last remaining plane. On success returns the full state snapshot.

export async function POST(req: Request) {
  let body: unknown;
  try {
    const text = await req.text();
    body = text ? JSON.parse(text) : {};
  } catch {
    return Response.json({ error: 'invalid JSON body' }, { status: 400 });
  }
  if (typeof body !== 'object' || body === null || Array.isArray(body)) {
    return Response.json({ error: 'body must be a JSON object' }, { status: 400 });
  }
  const input = body as Record<string, unknown>;
  for (const key of Object.keys(input)) {
    if (key !== 'planeId') {
      return Response.json({ error: `unknown field "${key}"` }, { status: 400 });
    }
  }
  if (typeof input.planeId !== 'string' || input.planeId.length === 0) {
    return Response.json({ error: 'planeId must be a non-empty string' }, { status: 400 });
  }

  const planeId = input.planeId;
  return performAction(req, (inst, playerId) => sellPlane(inst, planeId, playerId));
}