#!/bin/bash


ACTION="$1"

EASY_SITE_FILES="/usr/share/lliurex-moodle/easy-site/"
EASY_SITE=$EASY_SITE_FILES"moodle.json"
EASY_SITE_ICON=$EASY_SITE_FILES"moodle.svg"

EASY_SITES_DIR="/var/lib/lliurex-www/links/"
EASY_SITES_DIR_ICON="/usr/share/lliurex-www/srv/icons/"

case $ACTION in
	preInstall)

		if [ ! -d "/etc/dbconfig-common" ]; then
    		 mkdir -p /etc/dbconfig-common   
		fi 
		
	;;	

	postInstall)
		
		echo "Creating folder..."
		if [ ! -d "/var/lib/moodle" ]; then
			mkdir -p /var/lib/moodle
			chown www-data:www-data /var/lib/moodle || true
		fi
		sleep 2

		echo "Testing mysql..."
		sudo mysql_root_passwd -i

		if [ $? -ne 0 ] ; then
			echo "Mysql is not working..."
			exit 1

		fi

		echo "Checking if moodle db exists..."
		lliurex-sgbd --db_is_present lliurex-moodle
		if [ ! -f /tmp/db_is_present ]; then
			echo "Creating moodle db..."
			lliurex-sgbd --install lliurex-moodle
		else
		#zenity --info --text="$MSG_MOODLE_AVISO" &
			echo "Updating moodle db..."
			lliurex-sgbd --upgrade lliurex-moodle
		fi

		echo "Copying lang files..."
		if [ -d "/var/lib/moodle" ]; then
			if [ -d "/usr/share/lliurex-moodle/lang" ]; then
				cp -r /usr/share/lliurex-moodle/lang /var/lib/moodle/
				chown -R www-data:www-data /var/lib/moodle/lang || true
			fi
		fi

		echo "Configuring Apache..."
		a2ensite moodle

		echo "Creating hostname..."
		MAGIC_KEY=$(cat /etc/n4d/key)
		n4d-client -h localhost -k $MAGIC_KEY -m set_internal_dns_entry -c Dnsmasq -a moodle

		echo "Creating Ldadp users..."
		INTERNA=$(n4d-vars getvalues INTERNAL_DOMAIN | cut -d"'" -f2)
		if [ -n $INTERNA ]; then
			/usr/bin/python3 /usr/share/lliurex-moodle/update_moodle_sql.py
			/usr/bin/python3 /usr/share/lliurex-moodle/sync_ldap_users.py
		fi

		echo "Restarting services..."
		a2ensite moodle || true
		service apache2 restart || true
		service dnsmasq restart || true		

		echo "Changing permissions in ..."

		if [ -d "/var/lib/moodle" ]; then
			chown -R www-data:www-data /var/lib/moodle || true

		fi

		echo "Creating easy-site..."
		cp $EASY_SITE $EASY_SITES_DIR
		chown www-data:www-data $EASY_SITES_DIR"moodle.json" || true
		cp $EASY_SITE_ICON $EASY_SITES_DIR_ICON
	;;	

	remove)
	
		apt-get remove -y lliurex-moodle
		TEST=$( dpkg-query -s  lliurex-moodle 2> /dev/null| grep Status | cut -d " " -f 4 )
		if [ "$TEST" == 'installed' ];then
			exit 1
		fi

		echo "Removing easy-site..."
		rm -f $EASY_SITES_DIR"moodle.json"
		rm -f $EASY_SITES_DIR_ICON"moodle.svg"
	;;	

esac
exit 0