#!/usr/bin/env bash

PROXY_SCREEN="proxy"

proxy=false
bungee=false
help=false

for arg in "$@"; do
  case "$arg" in
    "--proxy")
      proxy=true
      if $bungee; then
        echo "--proxy can't be used together with --bungee"
        exit 1
      fi
      ;;
    "--bungee")
      bungee=true
      if $proxy; then
        echo "--bungee can't be used together with --proxy"
        exit 1
      fi
      ;;
    "--help")
      help=true
      ;;
    *)
      echo "Unknown argument. Use --help to see all options"
      exit 1
      ;;
  esac
done

if $help; then
  echo "Create a start loop for the minecraft server, additionally behind a velocity proxy or bungeecord proxy"
  echo "--help    Show help"
  echo "--proxy   Start the server behind a velocity proxy"
  echo "--bungee  Start the server behind a bungeecord proxy"
  exit
fi

if $proxy; then
  ./configure.sh velocity

  # create proxy screen if it doesn't exist yet
  screen -ls | grep -q "$PROXY_SCREEN" || screen -dmS "$PROXY_SCREEN"
  # start the proxy
  screen -S "$PROXY_SCREEN" -X stuff "cd $(pwd)/proxy; ./launch.sh\n"

  echo "The velocity proxy has been started in the screen '$PROXY_SCREEN'"
elif $bungee; then
  ./configure.sh bungeecord

  # create proxy screen if it doesn't exist yet
  screen -ls | grep -q "$PROXY_SCREEN" || screen -dmS "$PROXY_SCREEN"
  # start the proxy
  screen -S "$PROXY_SCREEN" -X stuff "cd $(pwd)/bungee; ./launch.sh\n"

  echo "The bungeecord proxy has been started in the screen '$PROXY_SCREEN'"
else
  ./configure.sh standalone
fi

trap cleanup SIGINT

cleanup() {
  if $proxy || $bungee; then
    # stop the proxy
    screen -S "$PROXY_SCREEN" -X stuff "end\n"
    echo "The proxy has been stopped"
  fi

  exit
}

while true
do
  echo starting server...
  ./launch.sh
  echo sleeping...
  sleep 3
done