si = require('systeminformation')

window.addEventListener('load', () ->
  # Set the option selector to trigger an info grab on element change
  document.getElementById('diskSelector').addEventListener('change', () ->
    updateDiskInfo(@value)
  )

  # Load GPUs into the selector
  loadDisks()

  # Run the updateGpuInfo function with the default value of 0
  updateDiskInfo()

  # Start running our function to update the drive's temperature
  setDiskTemp()
, false)

loadDisks = () ->
  si.diskLayout()
    .then((data) ->
      i = 0
      while i < data.length
        optionElem = document.createElement('option')
        diskName = data[i].name + ' (' + data[i].device + ')'
        optionElem.innerText = diskName
        optionElem.setAttribute('value', i)
        document.getElementById('diskSelector').appendChild(optionElem)
        i++
    ).catch((error) ->
      console.error(error)
    )

updateDiskInfo = (diskId = 0) ->
  si.diskLayout()
    .then((data) ->
      document.getElementById('diskInfo').innerText = data[diskId].name
      document.getElementById('diskPath').innerText = data[diskId].device
      document.getElementById('diskType').innerText = data[diskId].type
      document.getElementById('diskSize').innerText = formatBytes(data[diskId].size)
      document.getElementById('diskVendor').innerText = data[diskId].vendor
    ).catch((error) ->
      console.error(error)
    )

setDiskTemp = (diskId = -1) ->
  selector = document.getElementById('diskSelector')
  if selector.length < 1
    return

  if (diskId = -1)
    diskId = selector.value

  si.diskLayout()
    .then((data) ->
      if (data[diskId].temperature)
        document.getElementById('diskTemp').innerText = data[diskId].temperature
    ).catch((error) ->
      console.error(error)
    )
  setTimeout(setDiskTemp, 2000)