import { setLyraVoiceId, isAllowedLyraVoiceId } from "../../../db/profile";

/**
 * PATCH /api/profile/me/lyra-voice
 *
 * Legend-only. Setzt die ElevenLabs-Voice-ID für Lyra-TTS.
 *
 * Body: { lyraVoiceId: string | null }
 *   null       → Default-Voice (kdmDKE6EkgrWrrykO9Qt, Alexandra)
 *   iFSsEDGbm0FiEd2IVH4w → Voice 1
 *   Gt7OshJCH7MuzX96wFHi → Voice 2
 *
 * Plan-Downgrade-Verhalten: DB-Wert wird NICHT gelöscht. speak.post.ts
 * prüft plan zur Laufzeit — non-legend User erhalten Default-Voice.
 */
export default defineEventHandler(async (event) => {
  const user = await requireUser(event);

  const db = usePrisma();
  const profile = await db.profile.findUnique({
    where: { id: user.id },
    select: { plan: true },
  });

  if (!profile) {
    throw createError({ statusCode: 404, statusMessage: "profile_not_found" });
  }

  if ((profile.plan ?? "free").toLowerCase() !== "legend") {
    throw createError({ statusCode: 403, statusMessage: "legend_only" });
  }

  const body = await readBody(event);
  const { lyraVoiceId } = body as { lyraVoiceId?: unknown };

  if (!isAllowedLyraVoiceId(lyraVoiceId)) {
    throw createError({ statusCode: 400, statusMessage: "invalid_voice_id" });
  }

  await setLyraVoiceId(user.id, lyraVoiceId);

  return { success: true, data: { lyraVoiceId } };
});