#!/bin/sh
# SPDX-License-Identifier: Unlicense

folder="/mnt/video"
player="cvlc"
playerparam="--play-and-exit --quiet --no-osd -A alsa --alsa-audio-device=front:CARD=Device,DEV=0"
pgrepplayer="vlc"

swupgpio=23

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

	fi

else 
	$playerfull "$(find "$folder" -maxdepth 1 -type f |sort -R |head -n1)" &

fi