#!/bin/bash
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#
#  ▓▓▓▓▓▓▓▓▓▓
# ░▓ author ▓ xero <x@xero.style>
# ░▓ code   ▓ https://code.x-e.ro/dotfiles
# ░▓ mirror ▓ https://git.io/.files
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FULL=━
EMPTY=┄
EOL=▒
SIZE=7
C0="#000000"
C1="#222222"
C2="#8FBCBB"
C3="#B3291C"
C4="#685742"
C5="#d7c483"
C6="#C9A554"
C7="#78824b"
C8="#B36D43"

draw(){
	perc=$1
	SIZE=$2
	inc=$(( perc * SIZE / 100 ))
	out=
	for v in $(seq 0 $(( SIZE - 1 ))); do
		test "$v" -le "$inc"   \
		&& out="${out}#[fg=$C1]${FULL}" \
		|| out="${out}#[fg=$C6]${EMPTY}"
	done
	echo "$out"
}
temp(){
	builtin type -P "sensors" &> /dev/null || exit

	t=$(sensors | awk '/Core\ 0/ {gsub(/\+/,"",$3); gsub(/\..+/,"",$3)    ; print $3}')
	tc=$C0
	if [ $((t <= 50)) ]; then
			tc=$C2
		elif [ $((t >= 75)) ]; then
			tc=$C3
		fi
	echo " #[fg=$tc]$t°c"
}
bat(){
	BATPATH=/sys/class/power_supply/BAT0
	STATUS=$BATPATH/status
	BAT_FULL=$BATPATH/charge_full
	BAT_NOW=$BATPATH/charge_now
	bf=$(cat $BAT_FULL)
	bn=$(cat $BAT_NOW)
	bp=$(( 100 * bn / bf ))
	stat=$(cat $STATUS)
	case $stat in
		Full)
			st="="
			;;
		Discharging)
			st="-"
			;;
		Charging)
			st="+"
			;;
	esac
	test "$bp" -lt 10  \
		&& bc=$C3 \
		|| bc=$C1
	echo "$st#[fg=$bc]$bp""%"
}
cpu(){
	CPU_USE=$(grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage}')
	printf "%.0f" "$CPU_USE"
}
ram(){
	free | awk '/Mem:/ {print int($3/$2 * 100.0)}'
}
vpn(){
	pgrep 'vpn/|openvpn/|openconnect' >/dev/null 2>&1 && echo "#[bg=$C8]#[fg=$C7]▓▒░#[fg=0]" || echo "#[bg=$C8]#[fg=$C7]▓▒░#[fg=0]"
}
clock(){
	mtime=$(date +'%H:%M')
	myear=$(date +'%Y-%m-')
	mday=$(date +'%d')
	echo "#[fg=$C5]#[bg=$C4] $mtime #[fg=$C6]$myear#[fg=$C5]$mday #[fg=$C6]$EOL"
}
front(){
	echo "#[bg=$C7]#[fg=0]▓▒░"
}
separator(){
	echo "#[bg=$C9]#[fg=$C4]░▒#[bg=$C9]#[fg=$C9]▓"
}
CPU_INFO=$(cpu)
RAM_INFO=$(ram)
echo "$(front)""$(temp)" "#[fg=0] ${RAM_INFO}%" "$(draw "$RAM_INFO" 5)" "#[fg=0] ${CPU_INFO}%" "$(draw "$CPU_INFO" 5)" "$(vpn)" "$(separator)""$(clock)"