#!/bin/bash
#
# Adrian's ISO Mounter

MNT_POINT=/media/isoimage
TITLE="ISO Mounter"

if ! gksudo -u root -k -m "ISO Mounter is preparing to mount or unmount an ISO. Please enter your password." /bin/echo "Attained root access"
then
	zenity --error --title "$TITLE" --text "Unable to mount or unmount without superuser privileges. Please contact your system administrator."
	exit 1
fi

#check first if it's mounted right now
MNT_INFO=$(mount | grep "on $MNT_POINT")

if [ "$MNT_INFO" == "" ]; then #we're mounting it
	#make the directory we're going to mount to
	if [ -d $MNT_POINT ]; then #if the media directory exists already
		if zenity --question --title "$TITLE" --text "The $MNT_POINT directory exists, but is not mounted to anything. Would you like to try to delete it?"
			then
			if sudo rmdir "$MNT_POINT"
			then
				echo "Good removal"
			else
				zenity --error --title "$TITLE" --text "Could not delete the $MNT_POINT folder. Possibly it contains files; please try to delete the folder manually."
				exit 1
			fi
		else
			zenity --error --title "$TITLE" --text "Failed to mount to $MNT_POINT: The folder already exists."
			exit 1
		fi
	fi
	#the directory now does not exist, and we are clear to create afresh and mount.
	sudo mkdir /media/isoimage
	if sudo mount -o loop -t iso9660 "$*" "$MNT_POINT"
		then
        	if zenity --question --title "$TITLE" --text "$* Successfully Mounted. Open Volume?"
        	then
                	nautilus $MNT_POINT --no-desktop
        	fi
        	exit 0
	else
		sudo rmdir "$MNT_POINT"
        	zenity --error --title "$TITLE" --text "Could not mount $*!"
        	exit 1
	fi
else #currently mounted already
	if zenity --question --title "$TITLE" --text "Something is already mounted to the $MNT_POINT directory. Unmount?"
	then
		if sudo umount $MNT_POINT
		then
			sudo rmdir "$MNT_POINT"
			zenity --info --title "$TITLE" --text "Successfully unmounted $MNT_POINT"
			exit 0
		else
			zenity --error --title "$TITLE" --text "Could not unmount from $MNT_POINT!"
			exit 1
		fi
	fi
fi