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const generateButton = document.querySelector('#generate-tone > button:nth-of-type(1)')
const playButton = document.querySelector('#generate-tone > button:nth-of-type(2)')
const stopButton = document.querySelector('#generate-tone > button:nth-of-type(3)')
const toneDisplay = document.querySelector('#generate-tone dd')
const minInput = document.querySelector('#generate-tone input:nth-of-type(1)')
const maxInput = document.querySelector('#generate-tone input:nth-of-type(2)')
const synth = new Tone.Synth().toDestination()
let newTone
let lowest = 'a0'
let highest = 'c8'
minInput.setAttribute('placeholder', lowest)
maxInput.setAttribute('placeholder', highest)
generateButton.addEventListener('click', () => {
Tone.start()
const minFreq = teoria.note(lowest).fq()
const maxFreq = teoria.note(highest).fq()
newTone = (Math.random() * (maxFreq - minFreq)) + minFreq
toneDisplay.innerHTML = newTone
})
playButton.addEventListener('click', ()=>{
synth.triggerAttack(newTone)
})
stopButton.addEventListener('click', ()=>{
synth.triggerRelease()
})
minInput.addEventListener('change', ()=>{
lowest = minInput.value
})
maxInput.addEventListener('change', ()=>{
highest = maxInput.value
})