#!/bin/bash
set -e

cd $(dirname $0)/..

# load .env
if [ -f .env ]
then
  # exclude WELCOME_MESSAGE && WELCOME_FOOTER && CLIENT_TITLE because it may contain invalid characters
  export $(cat .env | sed 's/#.*//g' | grep -v "WELCOME_FOOTER" | grep -v "WELCOME_MESSAGE" | grep -v "CLIENT_TITLE" | xargs)
fi

# check for non-optional environment variables,
# which got introduced later and may miss in existing
# .env files during upgrades
if [ -z "$EXTERNAL_IPv4" ]; then
    echo "ERROR: EXTERNAL_IPv4 is not set in .env"
    echo "BBB won't work without it."
    exit 1
fi

if [ "$ENABLE_COTURN" == true ]; then
  if [ -z "$ENABLE_HTTPS_PROXY" ] && [ -z "$COTURN_TLS_CERT_PATH" ]; then
    echo "ERROR: coturn requires TLS certificates."
    echo "Either enable the https proxy for certificate retrival"
    echo "or provide a path to your certificates in .env file."
    exit 1
  fi
  if [ -z "$ENABLE_HTTPS_PROXY" ] && [ "$DEV_MODE" == true ]; then
    echo "ERROR: the https proxy can't get a certificate if ran locally and therefor coturn will never start"
    echo "you should disable coturn in .env"
    exit 1
  fi
fi

export $(cat tags.env | sed 's/#.*//g' | xargs)

docker run  \
    --rm  \
    -v $(pwd)/docker-compose.tmpl.yml:/docker-compose.tmpl.yml \
    -e BBB_BUILD_TAG=${BBB_BUILD_TAG} \
    -e TAG_COMMON_MESSAGE=${TAG_COMMON_MESSAGE} \
    -e TAG_APPS_AKKA=${TAG_APPS_AKKA} \
    -e TAG_FSESL_AKKA=${TAG_FSESL_AKKA} \
    -e TAG_BBB_WEB=${TAG_BBB_WEB} \
    -e TAG_HTML5=${TAG_HTML5} \
    -e TAG_FS_CONFIG=${TAG_FS_CONFIG} \
    -e TAG_LEARNING_DASHBOARD=${TAG_LEARNING_DASHBOARD} \
    -e TAG_RECORDINGS=${TAG_RECORDINGS} \
    -e TAG_WEBRTC_SFU=${TAG_WEBRTC_SFU} \
    -e TAG_WEBHOOKS=${TAG_WEBHOOKS} \
    -e TAG_PLAYBACK=${TAG_PLAYBACK} \
    -e TAG_PADS=${TAG_PADS} \
    -e DEV_MODE=${DEV_MODE:-false} \
    -e EXTERNAL_IPv6=${EXTERNAL_IPv6:-} \
    -e ENABLE_RECORDING=${ENABLE_RECORDING:-false} \
    -e REMOVE_OLD_RECORDING=${REMOVE_OLD_RECORDING:-false} \
    -e RECORDING_MAX_AGE_DAYS=${RECORDING_MAX_AGE_DAYS:-14} \
    -e ENABLE_HTTPS_PROXY=${ENABLE_HTTPS_PROXY:-false} \
    -e ENABLE_WEBHOOKS=${ENABLE_WEBHOOKS:-false} \
    -e ENABLE_COTURN=${ENABLE_COTURN:-false} \
    -e ENABLE_GREENLIGHT=${ENABLE_GREENLIGHT:-false} \
    -e ENABLE_PROMETHEUS_EXPORTER=${ENABLE_PROMETHEUS_EXPORTER:-false} \
    -e ENABLE_PROMETHEUS_EXPORTER_OPTIMIZATION=${ENABLE_PROMETHEUS_EXPORTER_OPTIMIZATION:-false} \
    -e NUMBER_OF_BACKEND_NODEJS_PROCESSES=${NUMBER_OF_BACKEND_NODEJS_PROCESSES:-1} \
    -e NUMBER_OF_FRONTEND_NODEJS_PROCESSES=${NUMBER_OF_FRONTEND_NODEJS_PROCESSES:-1} \
    jwilder/dockerize -template /docker-compose.tmpl.yml \
    > docker-compose.yml