#!/usr/bin/env 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 "CMD_DB_PASSWORD"
	file_env "CMD_OAUTH2_CLIENT_SECRET"
}

main() {
	set -eu

	load_vars
  mkdir "/hedgedoc/.npm" && chown -R 10000:65534 "/hedgedoc/.npm" && chmod "u+rwx" "/hedgedoc/.npm"
}

main

export CMD_DB_URL=postgres://$CMD_DB_USER:$CMD_DB_PASSWORD@$CMD_DB_HOST:5432/$CMD_DB_NAME

# 3wc: `source /docker-entrypoint2.sh -e` to load CMD_DB_URL for CLI scripts
if [ ! "${1-}" == "-e" ]; then
	# 3wc: upstream ENTRYPOINT
	# https://github.com/hedgedoc/container/blob/master/alpine/Dockerfile
	 mkdir -p "/hedgedoc/.npm" && chown -R 10000:65534 "/hedgedoc/.npm"
	/usr/local/bin/docker-entrypoint.sh npm start
fi

set +eu