print_config_title 'CHECK AUTO-BACKUP'

# Check if auto-backup script is present
echo "Check if auto-update script is present"
if [[ -f "${BACKUP_SCRIPT}" ]]
then
	echo -e "${GREEN}The auto-backup script is present : check OK${NC}\n"
	
	# Check the script (content)
	echo "Check the script (content)"
	grep -q 'borg prune -v backup@loth.grifon.fr' ${BACKUP_SCRIPT}
	RCa=${?} # First Return Code
	grep -q 'borg create --info .* backup@loth.grifon.fr:$(hostname -s)::$(date +%F)' ${BACKUP_SCRIPT}
	RCb=${?} # Second Return Code
	if [[ ${RCa} -ne 0 ]] || [[ ${RCb} -ne 0 ]]
	then
		AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" Auto-backup script ${BACKUP_SCRIPT} does NOT CONTAIN valid 'borg prune' OR 'borg create', check manually;"
		echo -e "${RED}Auto-backup script does NOT CONTAIN valid 'borg prune' OR 'borg create' : check KO${NC}\n"
	# Service started without error
	else
		echo -e "${GREEN}Auto-backup script seems contain valid 'borg prune' and 'borg create' : check OK${NC}\n"
	fi


	# Check if the script is executable
	echo "Check if the script is executable"
	if [[ -x "${BACKUP_SCRIPT}" ]]
	then
		echo -e "${GREEN}The auto-backup script is executable : check OK${NC}\n"
	else
		AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The auto-backup script is NOT executable;"
		echo -e "${RED}The auto-backup script is NOT executable: check KO${NC}\n"
	fi

	# Check the ssh connection to the backup server
	echo "Check the ssh connection to the backup server"
	ssh -q ${BACKUP_REMOTE_USER}@${BACKUP_REMOTE_SERVER} exit
	if [[ ${?} -ne 0 ]]
	then
		AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The SSH connection to the backup server failed, check manually;"
		echo -e "${RED}SSH Connection to the backup server does NOT WORK : check KO${NC}\n"
	# Service started without error
	else
		echo -e "${GREEN}SSH Connection to the backup server works : check OK${NC}\n"
	fi

	# Check if the remote repertory exist and is writable
	echo "Check if the remote repertory exist and is writable"
	ssh ${BACKUP_REMOTE_USER}@${BACKUP_REMOTE_SERVER} "test -w ${BACKUP_REMOTE_REPERTORY}/$(hostname -s)" &>/dev/null 
	if [[ ${?} -ne 0 ]]
	then
		AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The remote backup repertory ${BACKUP_REMOTE_REPERTORY}/$(hostname -s) does not exit, create it;"
		echo -e "${RED}The remote backup repertory DOES NOT exit : check KO${NC}\n"
	# Service started without error
	else
		echo -e "${GREEN}The remote backup repertory exist : check OK${NC}\n"
	fi

	# Check if the remote link exist and is writable : when a backup is done, the script set the destination : ~/$(hostname -s) which is a link to ${BACKUP_REMOTE_REPERTORY}/$(hostname -s)
	echo "Check if the remote link exist and is writable"
	ssh ${BACKUP_REMOTE_USER}@${BACKUP_REMOTE_SERVER} "test -w $(hostname -s)" &>/dev/null 
	if [[ ${?} -ne 0 ]]
	then
		AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The remote backup symbolic link ~/$(hostname -s) does not exit, create it;"
		echo -e "${RED}The remote backup symbolic link does not exist : check KO${NC}\n"
	# Service started without error
	else
		echo -e "${GREEN}The remote backup symbolic link exist : check OK${NC}\n"
	fi

	# Check if the cron task is configured
	echo "Check if the cron task is configured"
	crontab -l 2>/dev/null | grep -q "${BACKUP_SCRIPT}"
	RCa=${?} # First Return Code
	grep -q "${BACKUP_SCRIPT}" /etc/cron.d/*
	RCb=${?} # Second Return Code
	grep -q "${BACKUP_SCRIPT}" /etc/crontab
	RCc=${?} # Third Return Code
	if [[ ${RCa} -ne 0 ]] && [[ ${RCb} -ne 0 ]] && [[ ${RCc} -ne 0 ]]
	then
		AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" No cron entry for auto-backup, configure it;"
		echo -e "${RED}NO cron entry for auto-backup : check KO${NC}\n"
	# Service started without error
	else
		echo -e "${GREEN}Cron entry for auto-backup  exist: check OK${NC}\n"
	fi

else
        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The auto-backup script is NOT on the system;"
	echo -e "${RED}The auto-backup is NOT on the system : check KO${NC}\n"
fi