#!/bin/bash

source setup.env

if [[ "x-$NETBIRD_DOMAIN" == "x-" ]]
then
  echo NETBIRD_DOMAIN is not set, please update your setup.env file
  exit 1
fi

# local development or tests
if [[ $NETBIRD_DOMAIN == "localhost" || $NETBIRD_DOMAIN == "127.0.0.1" ]]
then
  export NETBIRD_MGMT_API_ENDPOINT=http://$NETBIRD_DOMAIN:$NETBIRD_MGMT_API_PORT
  unset NETBIRD_MGMT_API_CERT_FILE
  unset NETBIRD_MGMT_API_CERT_KEY_FILE
fi

# if not provided, we generate a turn password
if [[ "x-$TURN_PASSWORD" == "x-" ]]
then
  export TURN_PASSWORD=$(openssl rand -base64 32|sed 's/=//g')
fi

MGMT_VOLUMENAME="${VOLUME_PREFIX}${MGMT_VOLUMESUFFIX}"
SIGNAL_VOLUMENAME="${VOLUME_PREFIX}${SIGNAL_VOLUMESUFFIX}"
LETSENCRYPT_VOLUMENAME="${VOLUME_PREFIX}${LETSENCRYPT_VOLUMESUFFIX}"
# if volume with wiretrustee- prefix already exists, use it, else create new with netbird-
OLD_PREFIX='wiretrustee-'
if docker volume ls | grep -q "${OLD_PREFIX}${MGMT_VOLUMESUFFIX}"; then
    MGMT_VOLUMENAME="${OLD_PREFIX}${MGMT_VOLUMESUFFIX}"
fi
if docker volume ls | grep -q "${OLD_PREFIX}${SIGNAL_VOLUMESUFFIX}"; then
    SIGNAL_VOLUMENAME="${OLD_PREFIX}${SIGNAL_VOLUMESUFFIX}"
fi
if docker volume ls | grep -q "${OLD_PREFIX}${LETSENCRYPT_VOLUMESUFFIX}"; then
    LETSENCRYPT_VOLUMENAME="${OLD_PREFIX}${LETSENCRYPT_VOLUMESUFFIX}"
fi

export MGMT_VOLUMENAME
export SIGNAL_VOLUMENAME
export LETSENCRYPT_VOLUMENAME

envsubst < docker-compose.yml.tmpl > docker-compose.yml
envsubst < management.json.tmpl > management.json
envsubst < turnserver.conf.tmpl > turnserver.conf