import { withUser, parseBody, json } from "@/lib/api";
import { usePrompt } from "@/lib/prompts/service";
import { promptUseSchema } from "@/lib/prompts/schemas";

export const dynamic = "force-dynamic";

type P = { id: string };

/**
 * POST /api/prompts/:id/use { variables?: Record<string, string> }
 * → { prompt, kind, rendered, text, systemPrompt, schema, defaultModelKey, missing, defaulted }
 * Increments `uses`, stamps `lastUsedAt` and renders `{{variables}}` (values → declared defaults → "").
 */
export const POST = withUser<P>(async ({ req, user }, { id }) => {
  const body = await parseBody(req, promptUseSchema);
  return json(await usePrompt(user.id, id, body.variables ?? {}));
});