export interface RoastResponse {
  text: string;
}

/**
 * Client calls a server-side endpoint.
 * IMPORTANT: Do not put model API keys in the browser bundle.
 * Codex/server should implement POST /api/roast.
 */
export const generateRoast = async (content: string): Promise<string> => {
  const resp = await fetch('/api/roast', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ content })
  });

  if (!resp.ok) {
    return 'Roast endpoint unavailable. (Server has not implemented /api/roast yet.)';
  }

  const data = (await resp.json().catch(() => null)) as RoastResponse | null;
  if (!data?.text) return 'No output returned.';
  return data.text;
};