#!/bin/bash
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#
#  ▓▓▓▓▓▓▓▓▓▓
# ░▓ author ▓ xero <x@xero.style>
# ░▓ code   ▓ https://code.x-e.ro/dotfiles
# ░▓ mirror ▓ https://git.io/.files
# ░▓▓▓▓▓▓▓▓▓▓
# ░░░░░░░░░░
#
#-----------------------------------------------------------------------// vars
FULL=━
EMPTY=┄
C0="#000000"
C1="#222222"
C2="#8FBCBB"
C3="#B3291C"
C4="#685742"
C5="#d7c483"
C6="#C9A554"
C7="#78824b"
C8="#B36D43"
#---------------------------------------------------------------// progress bar
draw() {
	perc=$1
	size=$2
	inc=$((perc * size / 125))
	out=
	for v in $(seq 0 $((size - 1))); do
		[[ "$v" -le "$inc" ]] &&
			out="${out}#[fg=$C1]${FULL}" ||
			out="${out}#[fg=$C6]${EMPTY}"
	done
	printf "%s" "$out"
}
#--------------------------------------------------------------------// compute
FRONT="#[bg=$C7]#[fg=0]▓▒░"
D1=$(df -h | grep '/$' | tr -s ' ' | cut -d ' ' -f5 | sed 's/%//')
D2=$(df -h | grep 'x0' | tr -s ' ' | cut -d ' ' -f5 | sed 's/%//')
BAT=$({
	BATPATH=$(find /sys/class/power_supply -name 'status' -printf "%h\n" | head -1)
	BATPATH=$(find /tmp/power_supply -name 'status' -printf "%h\n" | head -1)
	if [[ -n "$BATPATH" ]]; then
		bf="$(< "$BATPATH/charge_full")"
		bn="$(< "$BATPATH/charge_now")"
		bp=$((100 * bn / bf))
		case "$(< "$BATPATH/status")" in
		Discharging)
			if [[ "$bp" -gt 90 ]]; then
				: "󱊣"
			elif [[ "$bp" -gt 50 ]]; then
				: "󱊢"
			elif [[ "$bp" -gt 20 ]]; then
				: "󱊡"
			else
				: "#[fg=$C3]󰂎#[fg=$C0]"
			fi
			;;
		Charging) : "󰂄" ;;
		*) : "󰁹" ;;
		esac
		st="$_"
		printf "#[fg=$C0]%s %s%s" "$st" "$bp" "%"
	fi
})
RAM=$(free | awk '/Mem:/ {print int($3/$2 * 100.0)}')
CPU=$(printf "%.0f" "$(grep 'cpu ' /proc/stat |
	awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage}')")
TIME=$({
	printf "#[bg=%s]#[fg=%s]░▒#[bg=%s]#[fg=%s]▓\
		#[fg=%s]#[bg=%s] %s #[fg=%s]%s#[fg=%s]%s #[bg=0]#[fg=%s]▒░" \
		"$C9" "$C4" "$C9" "$C9" "$C5" "$C4" \
		"$(date +'%H:%M')" "$C6" "$(date +'%Y-%m-')" "$C5" "$(date +'%d')" "$C4"
})
#---------------------------------------------------------------------// render
echo "$FRONT" \
	"#[fg=$C0] ${RAM}%" "$(draw "$RAM" 4)" \
	"#[fg=$C0] ${CPU}%" "$(draw "$CPU" 4)" \
	"#[fg=$C0]󰽄 ${D1}%" "$(draw "$D1" 4)" \
	"#[fg=$C0]󰖟 ${D2}%" "$(draw "$D2" 4)" \
	"$BAT" \
	"$TIME"