import type { PhaseMapSpec } from './phasemap'

/** A mono clip at a given sample rate. */
export type Source = {
  name: string
  fs: number
  samples: Float32Array
}

export type RenderRequest = {
  id: number
  samples: Float32Array
  fs: number
  sigmaMs: number
  map: PhaseMapSpec
  /** upper frequency for all plots */
  fmax: number
  maxCols: number
  maxRows: number
  /** number of points in the response and map curves */
  curvePoints: number
}

export type Curve = { f: Float32Array; y: Float32Array }

export type SpectrogramData = {
  /** rows x cols in dB relative to a shared maximum; row 0 is 0 Hz */
  db: Float32Array
  rows: number
  cols: number
  durationSec: number
  fmax: number
}

export type RenderResult = {
  id: number
  /** the phase-rotated sound, unscaled */
  y: Float32Array
  /** shared playback gain for A and B */
  gain: number
  /** ||y - x|| / ||x|| */
  relDiff: number
  bands: number
  sigmaF: number
  /** the requested map at the band centers, wrapped to (-pi, pi] */
  map: Curve
  /** magnitude of the effective filter in dB */
  magDb: Curve
  /** group delay of the effective filter in ms */
  groupDelayMs: Curve
  /** largest |group delay| in ms over the plotted range */
  maxGroupDelayMs: number
  /** largest |magnitude response| in dB over the plotted range; large values mean the map is too rough for the window */
  maxMagDeviationDb: number
  specA: SpectrogramData
  specB: SpectrogramData
  elapsedMs: number
}