#!/bin/bash -e

baseDir() {
	# see https://stackoverflow.com/questions/59895
	SOURCE=${BASH_SOURCE[0]}
	while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
		DIR=$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )
		SOURCE=$(readlink "$SOURCE")
		[[ $SOURCE != /* ]] && SOURCE=$DIR/$SOURCE # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
	done
	DIR=$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )
	echo $DIR
}

BASE=$(baseDir)
cd $BASE

source ./lib/functions.sh

ACTION=$1
export PROJECT=$2

if [[ -z $1 || -z $2 ]]; then
	printUsage
	exit 1
fi

case "$PROJECT" in
	ccp)
		#nothing extra to do
		;;
	bbmri)
		#nothing extra to do
		;;
	minimal)
		#nothing extra to do
		;;
	*)
		printUsage
		exit 1
		;;
esac

loadVars() {
	# Load variables from /etc/bridgehead and /srv/docker/bridgehead
	set -a
	source /etc/bridgehead/$PROJECT.conf || fail_and_report 1 "/etc/bridgehead/$PROJECT.conf not found"
	if [ -e /etc/bridgehead/$PROJECT.local.conf ]; then
		log INFO "Applying /etc/bridgehead/$PROJECT.local.conf"
		source /etc/bridgehead/$PROJECT.local.conf || fail_and_report 1 "Found /etc/bridgehead/$PROJECT.local.conf but failed to import"
	fi
	fetchVarsFromVaultByFile /etc/bridgehead/$PROJECT.conf || fail_and_report 1 "Unable to fetchVarsFromVaultByFile"
	[ -e ./$PROJECT/vars ] && source ./$PROJECT/vars
	set +a

	OVERRIDE=${OVERRIDE:=""}
	# minimal contains shared components, so potential overrides must be applied in every project
	if [ -f "minimal/docker-compose.override.yml" ]; then
		log INFO "Applying Bridgehead common components override (minimal/docker-compose.override.yml)"
		OVERRIDE+=" -f ./minimal/docker-compose.override.yml"
	fi
	if [ -f "$PROJECT/docker-compose.override.yml" ]; then
		log INFO "Applying $PROJECT/docker-compose.override.yml"
		OVERRIDE+=" -f ./$PROJECT/docker-compose.override.yml"
	fi
	detectCompose
	setHostname
}

case "$ACTION" in
	start)
		loadVars
		hc_send log "Bridgehead $PROJECT startup: Checking requirements ..."
		checkRequirements
		hc_send log "Bridgehead $PROJECT startup: Requirements checked out. Now starting bridgehead ..."
		export LDM_LOGIN=$(getLdmPassword)
		exec $COMPOSE -p $PROJECT -f ./minimal/docker-compose.yml -f ./$PROJECT/docker-compose.yml $OVERRIDE up --abort-on-container-exit
		;;
	stop)
		loadVars
		# HACK: This is temporarily to properly shut down false bridgehead instances (bridgehead-ccp instead ccp)
		$COMPOSE -p bridgehead-$PROJECT -f ./minimal/docker-compose.yml -f ./$PROJECT/docker-compose.yml $OVERRIDE down
		exec $COMPOSE -p $PROJECT -f ./minimal/docker-compose.yml -f ./$PROJECT/docker-compose.yml $OVERRIDE down
		;;
	is-running)
		bk_is_running
		exit $?
		;;
	update)
		loadVars
		exec ./lib/update-bridgehead.sh $PROJECT
		;;
	install)
		source ./lib/prepare-system.sh NODEV
		loadVars
		exec ./lib/install-bridgehead.sh $PROJECT
		;;
	dev-install)
		exec ./lib/prepare-system.sh DEV
		loadVars
		exec ./lib/install-bridgehead.sh $PROJECT
		;;
	uninstall)
		exec ./lib/uninstall-bridgehead.sh $PROJECT
		;;
	enroll)
		loadVars

		MANUAL_PROXY_ID="${3:-$PROXY_ID}"
		if [ -z "$MANUAL_PROXY_ID" ]; then
			log ERROR "No Proxy ID set"
			exit 1
		else
			log INFO "Enrolling Beam Proxy Id $MANUAL_PROXY_ID"
		fi

		if [ -z "$SUPPORT_EMAIL" ]; then
			EMAIL_PARAM=""
		else
			EMAIL_PARAM="--admin-email $SUPPORT_EMAIL"
		fi
			
		docker run --rm -ti -v /etc/bridgehead/pki:/etc/bridgehead/pki samply/beam-enroll:latest --output-file $PRIVATEKEYFILENAME --proxy-id $MANUAL_PROXY_ID $EMAIL_PARAM
		chmod 600 $PRIVATEKEYFILENAME
		;;
	preRun | preUpdate)
		fixPermissions
		;;
	postRun | postUpdate)
		;;
	*)
		printUsage
		exit 1
		;;
esac

exit 0