import { amsynth } from "./modules/instruments/amsynth.js"
import { duosynth } from "./modules/instruments/duosynth.js"
import { monosynth } from "./modules/instruments/monosynth.js"
import { plucksynth } from "./modules/instruments/plucksynth.js"

let FILTER_FREQ = 400
let REV_RANGE = 12
let REV = Math.random() * REV_RANGE

let NOTES = ["A3", "A2", "C4", "C3", "F3", "F2"]
let NOTE = NOTES[ Math.floor(Math.random() * NOTES.length)]

let SPACING = ["7h", "8h", "9h", "10h"]
let SPACE = SPACING[Math.floor(Math.random() * SPACING.length)]

Tone.Transport.bpm.value = 60;

let INSTRUMENTS = [amsynth, monosynth, plucksynth]
let INSTRUMENT = INSTRUMENTS[Math.floor(Math.random() * INSTRUMENTS.length)]

const channel = new Tone.Channel();
const freeverb = new Tone.Freeverb({ roomSize: 0.98, wet : 0.4 })
const filter = new Tone.Filter({type:"lowpass", frequency:800})

channel.chain(freeverb, filter, Tone.Master)

for (let inst of INSTRUMENTS) {
  inst.connect(channel)
}

const play = () => {
  let r = Math.random()
  if (r > 0.7) {
    const a = new Tone.Loop((time) => {
      INSTRUMENT.triggerAttackRelease(NOTE, "16n")
    }, SPACE).start(0)
  } else if (r > 0.3) {
    const a = new Tone.Loop((time) => {
      amsynth.triggerAttack(NOTE, "16n")
    }, SPACE).start(0)
    
  } else {
    freeverb.wet.value = 0.0
    const bassPart = new Tone.Sequence(((time, note) => {
			plucksynth.triggerAttack(note);
		}), ["C7", "C8", "C7", "C5", "C#8"], "8n").start(0);

		bassPart.probability = 0.6;    
  }
}

let ac_x = document.getElementById("ac_x")
let ac_y = document.getElementById("ac_y")
let ac_z = document.getElementById("ac_z")

if (window.DeviceOrientationEvent) {
  window.addEventListener(
    "deviceorientation",
    (event) => {
      const rotateDegrees = event.alpha; // alpha: rotation around z-axis
      const leftToRight = event.gamma; // gamma: left to right
      const frontToBack = event.beta; // beta: front back motion

      // ac_x.innerHTML = rotateDegrees
      ac_y.innerHTML = leftToRight
      // ac_z.innerHTML = frontToBack

      filter.frequency.value = (180 + leftToRight) * 6

      ac_x.innerHTML = filter.frequency.value
    },
    true,
  );
}

(function() {
  document.getElementById('start').addEventListener('click', function() {
    Tone.context.resume().then(() => {
      Tone.start()
      Tone.Transport.start()

      play()
    })
  })
})()