create_symlinks() {
	mkdir -p $DEPLOY_DIR/shared
	cd $DEPLOY_DIR/current
	if [ "$LINKED_DIRS" != "" ] || [ "$LINKED_FILES" != "" ]; then
		title 'remote: shared symlinks'
	fi
	if [ "$LINKED_DIRS" != "" ]; then
			LINK_DIRS=$(echo "$LINKED_DIRS" | cut -d";" -f1)
			for i in $LINK_DIRS; do
				BASEDIR=$(dirname $i)
				mkdir -p $DEPLOY_DIR/current/$BASEDIR
				mkdir -p $DEPLOY_DIR/shared/$i
				printf "Creating symlink $i -> $DEPLOY_DIR/shared/$i ... "
				ln -sf $DEPLOY_DIR/shared/$i $i
				success "done"
			done
	fi
	if [ "$LINKED_FILES" != "" ]; then
			LINK_FILES=$(echo "$LINKED_FILES" | cut -d";" -f1)
			for j in $LINK_FILES; do
				cd $DEPLOY_DIR/shared
				DIR=$(dirname $j)
				mkdir -p $DIR
				cd $DEPLOY_DIR/current
				printf "Creating symlink $j -> $DEPLOY_DIR/shared/$j ... "
				ln -s $DEPLOY_DIR/shared/$j $j
				success "done"
				if [ ! -f $DEPLOY_DIR/shared/$j ]; then
					warning "Shared file $j does not exist. Please create it manually."
				fi
			done
	fi
}

exec_post_deploy() {
	if [ ! -f $DEPLOY_DIR/current/deploy/scripts/post_deploy.sh ]; then
		return
	fi

	cd $DEPLOY_DIR/current
	title 'remote: post deploy script'
	sh deploy/scripts/post_deploy.sh
}

post_startup() {
	if [ ! -f $DEPLOY_DIR/current/deploy/scripts/post_startup.sh ]; then
		return
	fi

	cd $DEPLOY_DIR/current
	title 'remote: post startup script'
	sh deploy/scripts/post_startup.sh
}

delete_old_releases() {
	cd $WORK_TREE/../

	if [ "$RELEASE_COUNT" = "" ]; then
		RELEASE_COUNT=5
	fi

	printf "Deleting releases older than last $RELEASE_COUNT ... "

	ls -t1 | tail -n +$RELEASE_COUNT | xargs rm -rf

	success "done"

	cd $DEPLOY_DIR/current
}

create_deploy_dir() {
	if [ ! -d $DEPLOY_DIR ]; then
			echo "Creating $DEPLOY_DIR"
			mkdir -p $DEPLOY_DIR
	fi

	if [ ! -d $DEPLOY_DIR ]; then
		error "Failed to create $DEPLOY_DIR"
	fi

	echo "Creating deployment directory $WORK_TREE"
	mkdir -p $WORK_TREE
}

update_symlinks() {
	echo "Updating current symlink to $WORK_TREE"
	if [ -L "$DEPLOY_DIR/current" ]; then
		rm $DEPLOY_DIR/current
	fi
	cd $DEPLOY_DIR && ln -sf $WORK_TREE current

	# create shared resources links
	create_symlinks

	delete_old_releases

	exec_post_deploy
}

restart_application() {
	cd $DEPLOY_DIR/current
	. ./"$DS_DIR/config.sh"
	if [ "$RESTART_COMMAND" != "" ]; then
		title 'remote: starting application'
		echo "Restarting application"
		sh -c "$RESTART_COMMAND"
	fi
}

dockerize() {
	cd $DEPLOY_DIR/current
	if [ ! -f "docker-compose.yml" ]; then
		error "No docker-compose.yml found. Docker image management is currently only supported through docker-compose"
	fi
	if [ ! -f "Dockerfile" ]; then
		error "No Dockerfile supplied"
	fi
	title 'remote: dockerizing'
	docker-compose up --build -d
}