package nl.astraeus.vst

import org.khronos.webgl.Float32Array
import org.w3c.dom.MessagePort

enum class AutomationRate(
  val rate: String
) {
  A_RATE("a-rate"),
  K_RATE("k-rate")
}

interface AudioParam {
  var value: Double
  var automationRate: AutomationRate
  val defaultValue: Double
  val minValue: Double
  val maxValue: Double
}

interface AudioParamMap {
  operator fun get(name: String): AudioParam
}

abstract external class AudioWorkletProcessor {
  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorkletNode/parameters) */
  //val parameters: AudioParamMap;
  /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorkletNode/port) */
  @JsName("port")
  val port: MessagePort

  @JsName("process")
  open fun process (
    inputs: Array<Array<Float32Array>>,
    outputs: Array<Array<Float32Array>>,
    parameters: dynamic
  ) : Boolean { definedExternally }

}

external fun registerProcessor(name: String, processorCtor: JsClass<*>)
external val sampleRate: Int
external val currentTime: Double