wmtools/i3bar_temperature.nim

import std/os
import std/re
import std/math
import strutils
import i3bar_base


proc getThermalZones(): seq[string] =
  var zones: seq[string] = @[]
  let dirname = re("thermal_zone[\\d]+")
  for file in walkDir("/sys/class/thermal/"):
    if contains(file.path,dirname):
      let state = readFile(file.path & "/mode")
      if contains(state,re"enabled"):
        zones.add(file.path)
  return zones

proc getTemp(zone: string): int =
  let temp = strip(readFile(zone & "/temp"))
  return parseInt(temp)

proc getAverageTemp(zones: seq[string]): int =
  var temps: int = 0
  for zone in zones:
    let temp = getTemp(zone)
    temps += temp
  let avgtemp = ceil((temps / len(zones))/1000)
  return toInt(round(avgtemp,0))

proc getObject(temp: int): i3barData =
  var icon = ""
  var colour = foreground
  case temp:
    of 40..59:
      colour = yellow
      icon = ""
    of 60.. 200:
      colour = red
      icon = ""
    else:
      colour = green
      icon = ""
  let text = "<span foreground='" & colour & "'>" & icon & "</span> " & $temp & "°C"
  let data = i3barData(
    full_text: text,
    color: foreground,
    border: colour
  )
  return data

proc main() =
  let zones = getThermalZones()
  var last_temp = 0
  while true:
    let temp = getAverageTemp(zones)
    if temp != last_temp:
      let data = getObject(temp)
      outputJSON(data)
      last_temp = temp
    sleep(10000)

main()