import { SFZone } from './Zone';

export type FindPresetProps = {
  bankId: number;
  presetId: number;
  key: number;
  vel: number;
};
export type DecibelCent = number;
export type TimeCent = number;
export enum ch_state {
  attack,
  hold,
  decay,
  releasing,
}
export type GenRange = { lo: number; hi: number };
export type Shdr = {
  name: string;
  start: number;
  end: number;
  startLoop: number;
  endLoop: number;
  sampleRate: number;
  originalPitch: number;
  pitchCorrection: number;
  sampleLink: number;
  sampleType: number;
};
const defaultLFO = {
  delay: 0,
  freq: 1,
  effects: { pitch: 0, filter: 0, volume: 0 },
};
export type LFOParams = typeof defaultLFO;

export enum sf_gen_id {
  startAddrsOffset,
  endAddrsOffset,
  startloopAddrsOffset,
  endloopAddrsOffset,
  startAddrsCoarseOffset,
  modLfoToPitch,
  vibLfoToPitch,
  modEnvToPitch,
  initialFilterFc,
  initialFilterQ,
  modLfoToFilterFc,
  modEnvToFilterFc,
  endAddrsCoarseOffset,
  modLfoToVolume,
  unused1,
  chorusEffectsSend,
  reverbEffectsSend,
  pan,
  unused2,
  unused3,
  unused4,
  delayModLFO,
  freqModLFO,
  delayVibLFO,
  freqVibLFO,
  delayModEnv,
  attackModEnv,
  holdModEnv,
  decayModEnv,
  sustainModEnv,
  releaseModEnv,
  keynumToModEnvHold,
  keynumToModEnvDecay,
  delayVolEnv,
  attackVolEnv,
  holdVolEnv,
  decayVolEnv,
  sustainVolEnv,
  releaseVolEnv,
  keynumToVolEnvHold,
  keynumToVolEnvDecay,
  instrument,
  reserved1,
  keyRange,
  velRange,
  startloopAddrsCoarse,
  keynum,
  velocity,
  initialAttenuation,
  reserved2,
  endloopAddrsCoarse,
  coarseTune,
  fineTune,
  sampleID,
  sampleModes,
  reserved3,
  scaleTuning,
  exclusiveClass,
  overridingRootKey,
  unused5,
  endOper,
}

export enum mergeTypes {
  SET_INST_DEFAULT,
  SET_INST,
  SET_PBAG,
  SET_PBAGDEFAULT,
}
export type centTone = number;
export type centibel = number;
export type centime = number;

export enum LOOPMODES {
  NO_LOOP,
  CONTINUOUS_LOOP,
  NO_LOOP_EQ,
  LOOP_DURATION_PRESS,
}
export type Range = { lo: number; hi: number };

export const generatorNames = `#define SFGEN_startAddrsOffset         0
#define SFGEN_endAddrsOffset           1
#define SFGEN_startloopAddrsOffset     2
#define SFGEN_endloopAddrsOffset       3
#define SFGEN_startAddrsCoarseOffset   4
#define SFGEN_modLfoToPitch            5
#define SFGEN_vibLfoToPitch            6
#define SFGEN_modEnvToPitch            7
#define SFGEN_initialFilterFc          8
#define SFGEN_initialFilterQ           9
#define SFGEN_modLfoToFilterFc         10
#define SFGEN_modEnvToFilterFc         11
#define SFGEN_endAddrsCoarseOffset     12
#define SFGEN_modLfoToVolume           13
#define SFGEN_unused1                  14
#define SFGEN_chorusEffectsSend        15
#define SFGEN_reverbEffectsSend        16
#define SFGEN_pan                      17
#define SFGEN_unused2                  18
#define SFGEN_unused3                  19
#define SFGEN_unused4                  20
#define SFGEN_delayModLFO              21
#define SFGEN_freqModLFO               22
#define SFGEN_delayVibLFO              23
#define SFGEN_freqVibLFO               24
#define SFGEN_delayModEnv              25
#define SFGEN_attackModEnv             26
#define SFGEN_holdModEnv               27
#define SFGEN_decayModEnv              28
#define SFGEN_sustainModEnv            29
#define SFGEN_releaseModEnv            30
#define SFGEN_keynumToModEnvHold       31
#define SFGEN_keynumToModEnvDecay      32
#define SFGEN_delayVolEnv              33
#define SFGEN_attackVolEnv             34
#define SFGEN_holdVolEnv               35
#define SFGEN_decayVolEnv              36
#define SFGEN_sustainVolEnv            37
#define SFGEN_releaseVolEnv            38
#define SFGEN_keynumToVolEnvHold       39
#define SFGEN_keynumToVolEnvDecay      40
#define SFGEN_instrument               41
#define SFGEN_reserved1                42
#define SFGEN_keyRange                 43
#define SFGEN_velRange                 44
#define SFGEN_startloopAddrsCoarse     45
#define SFGEN_keynum                   46
#define SFGEN_velocity                 47
#define SFGEN_initialAttenuation       48
#define SFGEN_reserved2                49
#define SFGEN_endloopAddrsCoarse       50
#define SFGEN_coarseTune               51
#define SFGEN_fineTune                 52
#define SFGEN_sampleID                 53
#define SFGEN_sampleModes              54
#define SFGEN_reserved3                55
#define SFGEN_scaleTuning              56
#define SFGEN_exclusiveClass           57
#define SFGEN_overridingRootKey        58
#define SFGEN_unused5                  59
#define SFGEN_endOper                  60`
  .trim()
  .split('\n')
  .map((line) => line.split(/\s+/)[1])
  .map((token) => token.replace('SFGEN_', ''));

const {
  startAddrsOffset,
  endAddrsOffset,
  startloopAddrsOffset,
  endloopAddrsOffset,
  startAddrsCoarseOffset,
} = sf_gen_id;

export type Phdr = {
  name: string;
  presetId: number;
  bankId: number;
  pbagIndex: number;
  pbags: number[]; // & not *
  defaultBag: number;
  insts: number[];
};
export type Pbag = {
  pgen_id: number;
  pmod_id: number;
  pzone: SFZone;
};
export type IBag = {
  igen_id: number;
  imod_id: number;
  izone: SFZone;
};
export type Mod = {
  src: number;
  dest: number;
  amt: number;
  amtSrc: number;
  transpose: number;
};
export type InstrHeader = {
  name: string;
  iBagIndex: number;
  ibags?: number[];
  defaultIbag?: number;
};