#!/usr/bin/env sh

# usage: file_env VAR [DEFAULT]
#    ie: file_env 'XYZ_DB_PASSWORD' 'example'
# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
#  "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
# https://git.chihiro.org.cn/GitHub/nextcloud-docker/commit/530edd68aa6bc3bc493dd7c96f673239edeef130
file_env() {
    var="$1"
    fileVar="${var}_FILE"
    def="${2:-}"
    varValue=$(env | grep -E "^${var}=" | sed -E -e "s/^${var}=//")
    fileVarValue=$(env | grep -E "^${fileVar}=" | sed -E -e "s/^${fileVar}=//")
    if [ -n "${varValue}" ] && [ -n "${fileVarValue}" ]; then
        echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
        exit 1
    fi
    if [ -n "${varValue}" ]; then
        export "$var"="${varValue}"
    elif [ -n "${fileVarValue}" ]; then
        export "$var"="$(cat "${fileVarValue}")"
    elif [ -n "${def}" ]; then
        export "$var"="$def"
    fi
    unset "$fileVar"
}

load_vars() {
	file_env "POSTGRES_PASSWORD"
	file_env "EMAIL_SERVER_PASSWORD"
	file_env "NEXTAUTH_SECRET"
	file_env "CALENDSO_ENCRYPTION_KEY"

	file_env "GOOGLE_API_CREDENTIALS"
	file_env "MS_GRAPH_CLIENT_SECRET"
	file_env "ZOOM_CLIENT_SECRET"
  file_env "OIDCDB_PASSWORD"

	export "DATABASE_URL=postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@$POSTGRES_HOST:5432/$POSTGRES_DB"
  export "SAML_DATABASE_URL=postgresql://$OIDCDB_USER:$OIDCDB_PASSWORD@$OIDCDB_HOST:5432/$OIDC_DB"
}

main() {
	set -eu

	load_vars
}

main

# 3wc: upstream CMD
# https://github.com/calendso/docker/blob/main/Dockerfile
/calcom/scripts/start.sh