#!/usr/bin/env sh

# xwin-sfxd v0.1
# plays sfx when certain system events occur

# prevents chatty udev output from spamming sfx
debounce() {
	[ $(ps -aux | grep -c 'sfx-play') -gt 1 ]
}

# randomly pitched startup sound
# likely to play at xinit startup
rand=$(( ($(tr -cd '0-9' < /dev/random | dd bs=1 count=1 2>/dev/null) % 10) * 100))
sfx-play -c btn14 | sox - -t wav - pitch -$rand | aplay -q &
#sfx-play -c othr07 | sox - -t wav - pitch -$rand | aplay -q &

udevadm monitor --udev --subsystem-match=usb \
	--subsystem-match=power_supply | while read -r line; do
	debounce && continue
	case "$line" in
		*"add"*"usb"*)
			echo "$line" | notify-send -t 1.2
			sfx-play othr01;;
		*"remove"*"usb"*)
			echo "$line" | notify-send -t 1.2
			sfx-play othr02;;
		*"change"*"power_supply/AC"*)
			if grep -q '1' /sys/class/power_supply/AC/online; then
				notify-send -t 1.2 '↯ Battery discharging.'
				sfx-play btn11
			else
				notify-send -t 1.2 '🔌 Connected to power supply.'
				sfx-play btn12
			fi;;
	esac
done