#!/bin/sh

folder="/mnt/video"
player="cvlc"
playerparam="--play-and-exit --quiet --no-osd"
pgrepplayer="vlc"

swupgpio=23
swdowngpio=25

swupstat=$($(command -v gpio) read $swupgpio)

if [ $# -eq 0 ]; then
        echo "Parameter fehlt"
	exit 1
fi

if [ $# -gt 1 ]; then
	echo "Zu viele Parameter"
	exit 1
fi

if [ $swupstat -eq 1 ]; then
	exit 1
fi

if [ "buzzer" != "$1" ] && [ "cron" != "$1" ]; then
	echo "Parameter muss \"buzzer\" oder \"cron\" sein"
	exit 1
fi

if $(command -v pgrep) "$pgrepplayer" > /dev/null; then
	if [ "$1" = "buzzer" ]; then
		$(command -v pkill) "$pgrepplayer"
	
	elif [ "$1" = "cron" ]; then
		exit 1

	fi

else 
	$(command -v "$player") $playerparam "$(find "$folder" -maxdepth 1 -type f |sort -R |head -n1)" &

fi