#!/bin/sh

# Avalaible functions
function usage {
	echo "Usage:"
	echo " ./bootPanel.sh set newPanel.pdf"
	echo " ./bootPanel.sh reset"
}

# Check sript usage
if [ $# == 0 ]; then
	usage
	exit -1
elif [ $# == 1 ]; then
	if [ $1 != "reset" ]; then
		usage
		exit -1
	fi
elif [ $# == 2 ]; then
	if [ $1 != "set" ]; then
		usage
		exit -1
	fi
elif [ $# > 2 ]; then
	usage
	exit -1
fi

# Then we have to check for existing backup
if [ -e /Library/Application\ Support/macMorph/BootPanel.pdf ]; then
	echo "Backup file found"
else
	echo "Backup file NOT found"
	echo "macMorph will create a backup file right now"
	echo "Creating backup directory in /Library/Application\ Support/macMorph"
	echo "Executing 'sudo mkdir /Library/Application\ Support/macMorph'"
	#sudo mkdir /Library/Application\ Support/macMorph
	echo "Copying backup file"
	echo "Executing 'sudo cp /System/Library/CoreServices/SystemStarter/QuartzDisplay.bundle/Resources/BootPanel.pdf /Library/Application\ Support/macMorph/BootPanel.pdf'"
	#sudo cp /System/Library/CoreServices/SystemStarter/QuartzDisplay.bundle/Resources/BootPanel.pdf /Library/Application\ Support/macMorph/BootPanel.pdf
fi

# Now we can do the user's will
if [ $1 == "set" ]; then
	#######################################################
	# WARNING: file control needed on the second argument #
	# (at least a working one... :)                       #
	#######################################################
	FLAG=0
	for i in $(file $2); do
		if [ $i == "PDF" ]; then
			FLAG=1
		fi
	done
	
	if [ $FLAG == 1 ]; then
		# We have to set a new bot panel
		echo "Setting the new boot panel"
		echo "Executing 'sudo cp "$2" /System/Library/CoreServices/SystemStarter/QuartzDisplay.bundle/Resources/BootPanel.pdf'"
		#sudo cp $2 /System/Library/CoreServices/SystemStarter/QuartzDisplay.bundle/Resources/BootPanel.pdf
		exit 0
	else
		echo "WARNING!"
		echo "--> "$2
		echo "Selected file is not a .pdf file"
		exit -1
	fi
elif [ $1 == "reset" ]; then
	# We have to reset the old boot panel
	echo "Resetting the old boot panel"
	echo "Executing 'sudo cp /Library/Application\ Support/macMorph/BootPanel.pdf /System/Library/CoreServices/SystemStarter/QuartzDisplay.bundle/Resources/BootPanel.pdf'"
	#sudo cp /Library/Application\ Support/macMorph/BootPanel.pdf /System/Library/CoreServices/SystemStarter/QuartzDisplay.bundle/Resources/BootPanel.pdf
	exit 0
fi