#!/bin/bash

file_env() {
	# 3wc: Load $VAR_FILE into $VAR - useful for secrets. See
	# 	https://medium.com/@adrian.gheorghe.dev/using-docker-secrets-in-your-environment-variables-7a0609659aab
	local var="$1"
	local fileVar="${var}_FILE"
	local def="${2:-}"

	if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
		echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
		exit 1
	fi
	local val="$def"
	if [ "${!var:-}" ]; then
		val="${!var}"
	elif [ "${!fileVar:-}" ]; then
		val="$(< "${!fileVar}")"
	fi
	export "$var"="$val"
	unset "$fileVar"
}

load_vars() {
	file_env "DB_PASSWORD"
	file_env "ADMIN_PASSWORD"
	file_env "SESSION_KEY"
}

install_adapt() {
	echo "No 'conf' dir found, running 'node install...'"
	# 3wc: use `yes` to skip the dbPass and dbAuthSource prompts
	yes "" | node install --install Y \
   	--authoringToolRepository https://github.com/adaptlearning/adapt_authoring.git \
		--frameworkRepository https://github.com/adaptlearning/adapt_framework.git \
		--frameworkRevision tags/v5.7.0 \
		--serverPort "${PORT}" --serverName "${DOMAIN}" \
		--dbHost "${DB_HOST}" --dbName "${DB_NAME}" --dbPort 27017 \
		--dbUser "${DB_USER}" \
		--useConnectionUri false \
		--dataRoot data \
		--sessionSecret "${SESSION_KEY}" --useffmpeg Y \
		--useSmtp true --smtpService dummy \
		--smtpConnectionUrl smtp://postfix_relay_app \
		--fromAddress "${FROM_EMAIL}" \
		--masterTenantName main --masterTenantDisplayName Main \
		--suEmail "${ADMIN_EMAIL}" --suPassword "${ADMIN_PASSWORD}" \
		--suRetypePassword "${ADMIN_PASSWORD}"
		#--dbPass "$DB_PASSWORD" --dbAuthSource ""
		#--smtpUsername "${SMTP_USERNAME}" --smtpPassword "${SMTP_PASSWORD}" \
}

main() {
	set -eu

	load_vars

	if [ ! -d conf ]; then
		install_adapt
	fi
}

main

exec "$@"