package nl.astraeus.midi.message

import nl.astraeus.tba.DataType
import nl.astraeus.tba.MutableByteArrayHandler
import nl.astraeus.tba.SlicedByteArray
import nl.astraeus.tba.Type
import nl.astraeus.tba.TypedByteArray
import nl.astraeus.tba.blob
import nl.astraeus.tba.double
import nl.astraeus.tba.long

open class MidiMessage(
  vararg types: Type
) : TypedByteArray(
  Type("type", DataType.LONG),
  *types,
) {
  var type by long("type")

  init {
    this.type = MidiMessageTypes.MIDI_DATA.typeId
  }

  constructor(data: ByteArray): this() {
    this.data = MutableByteArrayHandler(buffer = data)
  }
}

class MidiDataMessage() : MidiMessage(
  Type("midi", DataType.BLOB, 48),
) {
  var midi by blob("data")

  init {
    this.type = MidiMessageTypes.MIDI_DATA.typeId
  }

  constructor(data: ByteArray): this() {
    check(data.size == definition.size) {
      "Invalid data size: ${data.size} != ${definition.size}"
    }

    this.data = MutableByteArrayHandler(data)
  }

}

class TimedMidiMessage() : MidiMessage(
  Type("timeToPlay", DataType.DOUBLE),
  Type("midi", DataType.BLOB, 48),
) {
  var timeToPlay by double("timeToPlay")
  var midi by blob("data")

  init {
    this.type = MidiMessageTypes.MIDI_DATA.typeId
  }

  constructor(data: ByteArray): this() {
    check(data.size == definition.size) {
      "Invalid data size: ${data.size} != ${definition.size}"
    }

    this.data = MutableByteArrayHandler(data)
  }

  constructor(
    timeToPlay: Double,
    vararg data: Byte
  ): this() {
    this.timeToPlay = timeToPlay
    this.midi = SlicedByteArray(data)
  }

}