utils/index.ts

export const LENGTHS = [
  { value: 5, label: "00:05" },
  { value: 10, label: "00:10" },
  { value: 15, label: "00:15" },
  { value: 30, label: "00:30" },
];

export const STYLES = [{
  value: "none",
  prompt: "",
  label: "None",
},{
  value: "hiphop",
  prompt: "Hip Hop and Rap track",
  label: "Hip Hop",
  image: "https://images.unsplash.com/photo-1601643157091-ce5c665179ab?q=80&w=2072&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D",
}, {
  value: "classic",
  prompt: "Classic track",
  label: "Classic",
  image: "https://images.unsplash.com/photo-1519139270028-ab664cf42264?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "jazz",
  prompt: "Jazz track",
  label: "Jazz",
  image: "https://images.unsplash.com/photo-1511192336575-5a79af67a629?q=80&w=2064&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "electro",
  prompt: "Electronic and dance track",
  label: "Electro & Dance",
  image: "https://images.unsplash.com/photo-1622386010273-646e12d1c02f?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "rock",
  prompt: "Rock'n'Roll track",
  label: "Rock'N'Roll",
  image: "https://plus.unsplash.com/premium_photo-1681876467464-33495108737c?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "funk",
  prompt: "Funk track",
  label: "Funk",
  image: "https://plus.unsplash.com/premium_photo-1683129651802-1c7ba429a137?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "dubstep",
  prompt: "Dubstep track",
  label: "Dubstep",
  image: "https://images.unsplash.com/photo-1578946956088-940c3b502864?q=80&w=2046&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "afrobeats",
  prompt: "Afrobeats track",
  label: "Afrobeats",
  image: "https://plus.unsplash.com/premium_photo-1702220976033-50f47c7a58a6?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "orchestral",
  prompt: "Orchestral track",
  label: "Orchestral",
  image: "https://plus.unsplash.com/premium_photo-1682098438728-fa774b584c18?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "pop",
  prompt: "Pop track",
  label: "Pop",
  image: "https://images.unsplash.com/photo-1520872024865-3ff2805d8bb3?q=80&w=2104&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "reggae",
  prompt: "Reggae track",
  label: "Reggae",
  image: "https://images.unsplash.com/photo-1538598450935-581f6a5fa7e0?q=80&w=2088&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "metal",
  prompt: "Metal track",
  label: "Metal",
  image: "https://images.unsplash.com/photo-1506091403742-e3aa39518db5?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "country",
  prompt: "Country track",
  label: "Country",
  image: "https://images.unsplash.com/photo-1525814230241-7f78c608c54c?q=80&w=1976&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "blues",
  prompt: "Blues track",
  label: "Blues",
  image: "https://plus.unsplash.com/premium_photo-1661333454734-9184250f7226?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "soul",
  prompt: "Soul track",
  label: "Soul",
  image: "https://images.unsplash.com/photo-1581297848080-c84ac0438210?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "rnb",
  prompt: "R'n'B track",
  label: "R&B",
  image: "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR3D-yMSiaEBtOOoxrKh8InCYzRqjn1UnYVHPhbDGkPrXH32k7i091MRvRTP7Nyts8dMJY&usqp=CAU"
}, {
  value: "disco",
  prompt: "Disco track",
  label: "Disco",
  image: "https://images.unsplash.com/photo-1559424452-eeb3a13ffe2b?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "trap",
  prompt: "Trap track",
  label: "Trap",
  image: "https://images.unsplash.com/photo-1620281428428-bce2bf9ceee4?q=80&w=1970&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "ambient",
  prompt: "Ambient track",
  label: "Ambient",
  image: "https://images.unsplash.com/photo-1616085290694-4b9cc5c97a12?q=80&w=2128&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}, {
  value: "lofi",
  prompt: "Lofi track",
  label: "Lofi",
  image: "https://miro.medium.com/v2/resize:fit:1358/0*FjF2hZ8cJQN9aBxk.jpg"
}, {
  value: "chill",
  prompt: "Chill track",
  label: "Chill",
  image: "https://images.unsplash.com/photo-1531574373289-ad0d66e39ba9?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D"
}]

export const MOODS = [{
  value: "none",
  label: "None",
  prompt: "",
  emoji: ""
},{
  value: "happy",
  label: "Happy",
  prompt: "with an happy vibe",
  emoji: "😊"
}, {
  value: "sad",
  label: "Sad",
  prompt: "with a sad vibe",
  emoji: "😢"
}, {
  value: "angry",
  label: "Angry",
  prompt: "with an angry vibe",
  emoji: "😡"
}, {
  value: "chill",
  label: "Chill",
  prompt: "with a chill vibe",
  emoji: "😌"
}, {
  value: "romantic",
  label: "Romantic",
  prompt: "with a romantic vibe",
  emoji: "😍"
}, {
  value: "epic",
  label: "Epic",
  prompt: "with an epic vibe",
  emoji: "🚀"
}, {
  value: "energetic",
  label: "Energetic",
  prompt: "with an energetic vibe",
  emoji: "🔥"
}, {
  value: "dreamy",
  label: "Dreamy",
  prompt: "with a dreamy vibe",
  emoji: "🌌"
}, {
  value: "mysterious",
  label: "Mysterious",
  prompt: "with a mysterious vibe",
  emoji: "🕵️"
}, {
  value: "relaxing",
  label: "Relaxing",
  prompt: "with a relaxing vibe",
  emoji: "😴"
}, {
  value: "dark",
  label: "Dark",
  prompt: "with a dark vibe",
  emoji: "🖤"
}, {
  value: "upbeat",
  label: "Upbeat",
  prompt: "with an upbeat vibe",
  emoji: "🎉"
}, {
  value: "motivational",
  label: "Motivational",
  prompt: "with a motivational vibe",
  emoji: "💪"
}, {
  value: "inspiring",
  label: "Inspiring",
  prompt: "with an inspiring vibe",
  emoji: "🌟"
}, {
  value: "nostalgic",
  label: "Nostalgic",
  prompt: "with a nostalgic vibe",
  emoji: "📼"
}, {
  value: "groovy",
  label: "Groovy",
  prompt: "with a groovy vibe",
  emoji: "🕺"
}, {
  value: "melancholic",
  label: "Melancholic",
  prompt: "with a melancholic vibe",
  emoji: "😔"
}, {
  value: "hopeful",
  label: "Hopeful",
  prompt: "with a hopeful vibe",
  emoji: "🌈"
}]

export const MUSIC_PROMPTS = [
  '80s pop track with bassy drums and synth',
  '90s rock song with loud guitars and heavy drums',
  'a light and cheerly EDM track, with syncopated drums, aery pads, and strong emotions bpm: 130',
  'A cheerful country song with acoustic guitars',
  'lofi slow bpm electro chill with organic samples',
]


export function encodeWAV(samples: any[], sampleRate = 16000) {
  let offset = 44;
  const buffer = new ArrayBuffer(offset + samples.length * 4);
  const view = new DataView(buffer);

  /* RIFF identifier */
  writeString(view, 0, 'RIFF')
  /* RIFF chunk length */
  view.setUint32(4, 36 + samples.length * 4, true)
  /* RIFF type */
  writeString(view, 8, 'WAVE')
  /* format chunk identifier */
  writeString(view, 12, 'fmt ')
  /* format chunk length */
  view.setUint32(16, 16, true)
  /* sample format (raw) */
  view.setUint16(20, 3, true)
  /* channel count */
  view.setUint16(22, 1, true)
  /* sample rate */
  view.setUint32(24, sampleRate, true)
  /* byte rate (sample rate * block align) */
  view.setUint32(28, sampleRate * 4, true)
  /* block align (channel count * bytes per sample) */
  view.setUint16(32, 4, true)
  /* bits per sample */
  view.setUint16(34, 32, true)
  /* data chunk identifier */
  writeString(view, 36, 'data')
  /* data chunk length */
  view.setUint32(40, samples.length * 4, true)

  for (let i = 0; i < samples.length; ++i, offset += 4) {
      view.setFloat32(offset, samples[i], true)
  }

  return buffer
}
function writeString(view: any, offset: number, string: string) {
  for (let i = 0; i < string.length; ++i) {
      view.setUint8(offset + i, string.charCodeAt(i))
  }
}

export const MODEL_ID = 'Xenova/musicgen-small';

export async function share(body: any, settings: Record<string, any>, results: Record<string, any>) {
  const response = await fetch('https://huggingface.co/uploads', { method: 'POST', body });
  if (!response.ok) throw new Error(`Failed to upload audio: ${response.statusText}`);
  const url = await response.text();

  const params = new URLSearchParams({
      title: `🎵 ${results.title}`,
      description: `<audio controls src="${url}"></audio>\n${JSON.stringify(settings, null, 2)}`,
  });

  const shareURL = `https://huggingface.co/spaces/enzostvs/ai-jukebox/discussions/new?${params.toString()}`;
  window.open(shareURL, '_blank');
}