#!/bin/sh

prop() {
    grep "${1}" bot.properties | cut -d'=' -f2
}

_term() {
  echo "Caught SIGTERM/SIGINT signal, graceful shutdown of bot.."
  if [ -z "$pid" ]; then
    echo "Bot isn't running, exiting."
    exit 0
  else
    /usr/bin/curl --no-progress-meter http://localhost:"$API_PORT"/actions/shutdown
    echo "Waiting 2 seconds for bot shutdown"
    sleep 2
  fi
}

trap _term TERM
trap _term INT

if [ ! -f /usr/bin/nc ]; then
    echo "nc not found. Exiting."
    exit 1
fi

if [ -z "$API_PORT" ]; then
  API_PORT=9000;
fi

if [ -z "$MYSQL_HOST" ]; then
  MYSQL_HOST="$(prop 'MYSQL_HOST')"
fi

if [ -z "$MYSQL_PORT" ]; then
  MYSQL_PORT=$(prop 'MYSQL_PORT')
fi

echo "Waiting 10 seconds for database to start.."
sleep 10

echo "Checking if MySQL / MariaDB is started.."
if /usr/bin/nc -z "$MYSQL_HOST" "$MYSQL_PORT"; then
  echo "Database OK. Starting bot..";
  /opt/java/openjdk/bin/java -jar /app/netneutrality-jar-with-dependencies.jar &

  pid=$!
  wait "$pid"
else
  echo "No connection to database, shutting down.."
  exit 1
fi