import type { AblTrack } from '../../transformers/ableton';
import { koEnvRangeToSeconds } from './utils';

export type PadSoundState = {
  amp: number;
  pitch: number;
  playMode: AblTrack['playMode'];
  pan: number;
  trimStart: number;
  trimEnd: number;
  envelope: {
    attack: number;
    release: number;
  };
  time: {
    mode: AblTrack['timeStretch'];
    bpm: number;
    bars: number;
  };
  rootNote: number;
  soundLength: number;
};

export type PadEnvelopeState = {
  classicAttackMs: number;
  classicReleaseMs: number;
  oneShotFadeInMs: number;
  oneShotFadeOutMs: number;
};

export function getPadSoundState(track: AblTrack): PadSoundState {
  return {
    amp: track.volume,
    pitch: track.pitch,
    playMode: track.playMode,
    pan: track.pan,
    trimStart: track.trimLeft,
    trimEnd: track.trimRight,
    envelope: {
      attack: track.attack,
      release: track.release,
    },
    time: {
      mode: track.timeStretch,
      bpm: track.timeStretchBpm,
      bars: track.timeStretchBars,
    },
    rootNote: track.rootNote,
    soundLength: track.soundLength,
  };
}

export function getPadEnvelopeState(sound: PadSoundState): PadEnvelopeState {
  return {
    classicAttackMs:
      koEnvRangeToSeconds(sound.envelope.attack, sound.soundLength) * 1000,
    classicReleaseMs:
      koEnvRangeToSeconds(sound.envelope.release, sound.soundLength) * 1000,
    oneShotFadeInMs: 0,
    oneShotFadeOutMs: 5,
  };
}