#!/bin/bash
set -e

cd $(dirname $0)/..

# load .env
if [ -f .env ]
then
  # exclude WELCOME_MESSAGE && WELCOME_FOOTER because it may contain invalid characters
  export $(cat .env | sed 's/#.*//g' | grep -v "WELCOME_FOOTER" | grep -v "WELCOME_MESSAGE" | 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" ]; then
    echo "ERROR: coturn requires the https proxy for certificate retrival."
    echo "you must also set ENABLE_HTTPS_PROXY=true"
    exit 1
  fi
  if [ "$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




docker run  \
    --rm  \
    -v $(pwd)/docker-compose.tmpl.yml:/docker-compose.tmpl.yml \
    -e DEV_MODE=${DEV_MODE:-false} \
    -e ENABLE_RECORDING=${ENABLE_RECORDING:-false} \
    -e ENABLE_HTTPS_PROXY=${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} \
    jwilder/dockerize -template /docker-compose.tmpl.yml \
    > docker-compose.yml