import { resolve } from "path";
import { generateClip, fileExists } from "./generateTTS";

const LABEL_CLIPS: Record<string, string> = {
  A_1: "[calm] A,",
  A_2: "[calm] A,",
  A_3: "[thoughtful] A,",
  A_4: "[measured] A,",

  B_1: "[calm] B,",
  B_2: "[thoughtful] B,",
  B_3: "[calm] B,",
  B_4: "[measured] B,",

  C_1: "[thoughtful] C,",
  C_2: "[calm] C,",
  C_3: "[measured] C,",
  C_4: "[calm] C,",

  D_1: "[measured] D.",
  D_2: "[calm] D.",
  D_3: "[thoughtful] D.",
  D_4: "[measured] D.",
};

const VOICE_SETTINGS = { stability: 0.3, similarity_boost: 0.75 };

const TRANSITION_TEXT = "[thoughtful] Let's look at this a different way...";

const CORRECT_CLIPS: Record<string, string> = {
  correct_1: "Exactly right.",
  correct_2: "That's it.",
  correct_3: "Spot on.",
  correct_4: "Perfect.",
};

export async function generateLabels() {
  const config = useRuntimeConfig();
  const apiKey = config.elevenlabsApiKey;
  const voiceId = config.elevenlabsVoiceId;

  if (!apiKey) {
    console.warn("[labels] ELEVENLABS_API_KEY not set — skipping label generation");
    return;
  }

  const labelsDir = resolve(process.cwd(), "public/audio/labels");

  for (const [key, text] of Object.entries(LABEL_CLIPS)) {
    const outPath = `${labelsDir}/${key}.mp3`;

    if (await fileExists(outPath)) continue;

    console.log(`[labels] generating ${key}.mp3…`);
    await generateClip(text, outPath, apiKey, voiceId, {
      model: "eleven_v3",
      voice_settings: VOICE_SETTINGS,
    });
  }

  // branch transition clip
  const transitionPath = resolve(process.cwd(), "public/audio/branch-transition.mp3");
  if (!(await fileExists(transitionPath))) {
    console.log("[labels] generating branch-transition.mp3…");
    await generateClip(TRANSITION_TEXT, transitionPath, apiKey, voiceId, {
      model: "eleven_v3",
      voice_settings: VOICE_SETTINGS,
    });
  }

  // correct affirmation clips
  const audioDir = resolve(process.cwd(), "public/audio");
  for (const [key, text] of Object.entries(CORRECT_CLIPS)) {
    const outPath = `${audioDir}/${key}.mp3`;
    if (await fileExists(outPath)) continue;
    console.log(`[labels] generating ${key}.mp3…`);
    await generateClip(text, outPath, apiKey, voiceId, {
      model: "eleven_v3",
      voice_settings: { stability: 0.35, similarity_boost: 0.8 },
    });
  }

  console.log("[labels] all label clips ready");
}