#!/bin/sh
NORMAL=''
RED=''
GREEN=''

msglog() {
	case "${1}" in
                green)
                        TEXT_COLOR="${GREEN}"
                        ;;
                red)
                        TEXT_COLOR="${RED}"
                        ;;
                normal)
                        TEXT_COLOR="${NORMAL}"
                        ;;
        esac
	DATE=$(date '+%Y %b %d %H:%M:%S')
	echo ${DATE} ${TEXT_COLOR}${2}${NORMAL}
}

waiting_for_db() {
while ! mysqlshow -h db -uroot -p${MYSQL_ROOT_PASSWORD} 2>&1 | grep "^| ${MYSQL_DATABASE}" > /dev/null 2>&1 ; do
	msglog red "Waiting for mysql database initilization..."
	sleep 5
done
}

updatephpini() {
	variable=$1
	value=$2
	file="/etc/php7/php.ini"

	if [ ! -z "${value}" ] ; then
		msglog green "Updating $variable to $value in $file"
		if grep "^${variable}" "${file}" > /dev/null 2<&1 ; then
			sed -i "s@^\(${variable}\s*=\).*@\1 ${value}@g" "${file}"
		else
			echo ${variable} = ${value} >> ${file}
		fi
	fi
}

updatephpini memory_limit ${PHP_MEMORY_LIMIT}
updatephpini upload_max_filesize ${PHP_UPLOAD_MAX_FILESIZE}
updatephpini post_max_size ${PHP_POST_MAX_SIZE}
updatephpini date.timezone ${PHP_DATE_TIMEZONE}

mkdir -p /var/www/glpi
if [ ! -e "/etc/glpi/config_db.php" ] ; then
	waiting_for_db
	msglog red "Initialazing ${GLPI_TARBALL}..."
	cd /root
	cp -r /root/glpi_template/etc/. /etc/glpi/.
	cp -r /root/glpi_template/files/. /var/lib/glpi/.
	mysql --host=db --user=root --password=${MYSQL_ROOT_PASSWORD} << EOF
use mysql;
GRANT SELECT ON time_zone_name TO '${MYSQL_USER}'@'%';
EOF
	cd /var/www/glpi
	php bin/console db:install --config-dir=${GLPI_CONFIG_DIR} -L fr_FR -H db -d ${MYSQL_DATABASE} -u ${MYSQL_USER} -p ${MYSQL_PASSWORD} -n
	php bin/console glpi:plugin:install -u glpi fusioninventory -n
	php bin/console glpi:plugin:activate fusioninventory -n
	rm install/install.php
	chown -R apache:apache /var/www/glpi /etc/glpi /var/lib/glpi /var/log/glpi
	patch -Np0 -i /root/glpi_ticket.class.php.patch
	echo "${GLPI_VERSION}" > /etc/glpi/glpi_actual_version
	echo "${FUSIONINVENTORY_VERSION}" > /etc/glpi/fusioninventory_actual_version
	echo "${FIELDS_VERSION}" > /etc/glpi/fields_actual_version
	echo "${DATAINJECTION_VERSION}" > /etc/glpi/datainjection_version
	msglog green "Initialazing complete..."
else
	msglog green "GLPI is already initialized"
	GLPI_ACTUAL_VERSION=$(cat /etc/glpi/glpi_actual_version)
	FUSIONINVENTORY_ACTUAL_VERSION=$(cat /etc/glpi/fusioninventory_actual_version)
	FIELDS_ACTUAL_VERSION=$(cat /etc/glpi/fields_actual_version)
	DATAINJECTION_ACTUAL_VERSION=$(cat /etc/glpi/datainjection_version)
	if [ "${GLPI_ACTUAL_VERSION}" = "${GLPI_VERSION}" -a "${FUSIONINVENTORY_ACTUAL_VERSION}" = "${FUSIONINVENTORY_VERSION}" -a "${FIELDS_ACTUAL_VERSION}" = "${FIELDS_VERSION}" -a "${DATAINJECTION_ACTUAL_VERSION}" = "${DATAINJECTION_VERSION}" ] ; then
		msglog green "GLPI already up2date"
		exit
	fi
	msglog red "Updating GLPI from ${GLPI_ACTUAL_VERSION} to ${GLPI_VERSION}"
	waiting_for_db
	cd /var/www/glpi
	php bin/console glpi:maintenance:enable -n
	php bin/console glpi:plugin:deactivate --all -n
	rm /var/www/glpi/install/install.php
	php bin/console db:update --config-dir=${GLPI_CONFIG_DIR} -n && \
	       ( echo "${GLPI_VERSION}" > /etc/glpi/glpi_actual_version ; \
	       echo "${FUSIONINVENTORY_VERSION}" > /etc/glpi/fusioninventory_actual_version ; \
	       echo "${FIELDS_VERSION}" > /etc/glpi/fields_actual_version ; \
	       echo "${DATAINJECTION_VERSION}" > /etc/glpi/datainjection_actual_version )
	php bin/console glpi:maintenance:disable -n
	chown -R apache:apache /var/www/glpi /etc/glpi /var/lib/glpi /var/log/glpi
fi