types.ts

export enum Difficulty {
  BEGINNER = 'Beginner',
  INTERMEDIATE = 'Intermediate',
  ADVANCED = 'Advanced',
  GOD_MODE = 'God Mode'
}

export enum Genre {
  METAL = 'Metal',
  ROCK = 'Rock',
  BLUES = 'Blues',
  JAZZ = 'Jazz',
  FUNK = 'Funk',
  NEO_SOUL = 'Neo-Soul',
  DJENT = 'Djent'
}

export enum GuitarKey {
  A = 'A',
  C = 'C',
  D = 'D',
  E = 'E',
  G = 'G',
  Em = 'Em',
  Am = 'Am',
  Dm = 'Dm',
  FsharpMin = 'F#m'
}

export enum Instrument {
  ELECTRIC_GUITAR = 'Electric Guitar',
  ACOUSTIC_GUITAR = 'Acoustic Guitar',
  BASS = 'Bass'
}

export interface RiffRequest {
  genre: Genre;
  difficulty: Difficulty;
  key: GuitarKey;
  tempo: number; // BPM
  type: 'riff' | 'solo';
  instrument: Instrument;
}

export interface NoteEvent {
  string_index: number; // 1 = High E (or G for bass), 6 = Low E (or 4 = E for bass)
  fret: number;
  start_beat: number; // Start time in beats (e.g. 0, 0.5, 1.0)
  duration: number; // Duration in beats
}

export interface GeneratedRiff {
  title: string;
  tablature: string;
  audio_sequence: NoteEvent[];
  description: string;
  tips: string;
  bpm: number;
  instrument?: Instrument;
}