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local wibox = require("wibox")
local awful = require("awful")
local naughty = require("naughty")

function showBatteryWidgetPopup()
  local save_offset = offset
  naughty.notify({
    text = awful.util.pread("acpi | cut -d, -f 2,3"),
    title = "Battery status",
    timeout = 2, hover_timeout = 0.5,
    width = 160,
  })
end

function showBatteryWidgetIcon()
    local charge = tonumber(awful.util.pread("acpi | cut -d, -f 2 | egrep -o '[0-9]{1,3}'"))
    local batteryType   

    if (charge >= 0 and charge < 20) then batteryType=20
      elseif (charge >= 20 and charge < 40) then batteryType=40
      elseif (charge >= 40 and charge < 60) then batteryType=60
      elseif (charge >= 60 and charge < 80) then batteryType=80
      elseif (charge >= 80 and charge < 100) then batteryType=100
    end

    batteryIcon:set_image("/home/pashik/.config/awesome/battery-icons/" .. batteryType .. ".png")
end

batteryIcon = wibox.widget.imagebox()
showBatteryWidgetIcon()
batteryIcon:connect_signal("mouse::enter",
  function()
    showBatteryWidgetPopup()
  end
)

-- timer to refresh battery icon
batteryWidgetTimer = timer({ timeout = 5 })  
batteryWidgetTimer:connect_signal("timeout",  
  function()
  showBatteryWidgetIcon()
  end  
)

batteryWidgetTimer:start()