#!/bin/sh

vars="/home/pi/birdcam/vars"

mountpoint="$(cat $vars | grep mountpoint | cut -d'=' -f2)"
mountoptions="$(cat $vars | grep mountoptions | cut -d'=' -f2)"
device="$(cat $vars | grep usbdevice | cut -d'=' -f2)"
playersh="$(cat $vars | grep randomsh | cut -d'=' -f2)"
playerproc="$(cat $vars | grep playerproc | cut -d'=' -f2)"

if [ ! -d "$mountpoint" ]; then
	sudo mkdir $mountpoint
fi

while true; do
	
	dev_plug_state="$(lsblk | grep $device)"
	dev_mount_state="$(mount | grep $device)"

	if [ -n "$dev_plug_state" ] && [ -z "$dev_mount_state" ]; then
		echo "Mount /dev/$device on $mountpoint with options $mountoptions"
		sudo mount /dev/$device $mountpoint -o $mountoptions
		echo "Done!"

	elif [ -n "$dev_plug_state" ] && [ -n "$dev_mount_state" ]; then
		echo "/dev/$device is already mounted on $mountpoint"

	elif [ -z "$dev_plug_state" ] && [ -z "$dev_mount_state" ]; then
		echo "/dev/$device not plugged in and is not mounted!"

	elif [ -z "$dev_plug_state" ] && [ -n "$dev_mount_state" ]; then
		echo "/dev/$device is not plugged in and is mounted on $mountpoint"
		
		playershstat="$(pgrep $playersh)"
		if [ -n "$playershstat" ]; then
			echo "Terminating $playersh"
			pkill $playersh
			echo "Done!"

			playerprocstat="$(pgrep $playerproc)"
			if [ -n "$playerprocstat" ]; then
				echo "Terminating $playerproc"
				pkill $playerproc
				echo "Done!"
			fi

		fi

		echo "Umounting $mountpoint"
		sudo umount $mountpoint
		echo "Done!"

	fi

	sleep 1
done