#!/bin/bash

DATETIME=`date +"%d %b(%A) %H:%M"`

get_cpu_load() {
  read cpu a b c previdle rest < /proc/stat
  prevtotal=$((a+b+c+previdle))
  sleep 0.5
  read cpu a b c idle rest < /proc/stat
  total=$((a+b+c+idle))
  cpu=$((100*( (total-prevtotal) - (idle-previdle) ) / (total-prevtotal) ))
  echo -e "CPU: $cpu%"
}

get_cpu_temp() {
    CEL=$'\xc2\xb0C'
    temp=$( cat /sys/devices/virtual/thermal/thermal_zone0/temp )
    temp=`expr $temp / 1000`
    echo "TEMP: " $temp$CEL
}

get_disk_usage() {
	root=$(df -h / | awk 'NR==2 {print $4 "/" $2}')
	home=$(df -h /home | awk 'NR==2 {print $4 "/" $2}')
	echo "ROOT:" $root " %{B-}" "%{B#E6739F} HOME:" $home "  "
}

get_mem_usage() {
	mem=$(free -m | grep Mem: | awk '{print$3 / $2 * 100}')
	printf "MEM: %.0f %%" $mem
}

get_mute_status() {
	vol=$(pamixer --get-volume-human)
	if [ $vol == "muted" ]
	then
		echo "muted"
	else
		echo "not muted"
	fi
}

while : 
do
	echo "%{B#FD3A69}%{F#232627} " $(get_disk_usage) "%{B-}  %{B#FECD1A} " $(get_cpu_load) "%{B-}  %{B#03C4A1}" $(get_cpu_temp) "%{B-}  %{B#FA26A0}" $(get_mem_usage) "%{B-}%{F-}%{r}%{B#6F4A8E}" $(get_mute_status) "%{B-}  %{B#892CDC}%{F#FCFCFC}  " ${DATETIME} " %{F-}%{B-}"
	sleep 5
done