#!/bin/sh

if [ -n "$DISPLAY" ]; then
  if [ -x /usr/bin/atari800-x11 ] ; then
    exec /usr/bin/atari800-x11
  elif [ -x /usr/bin/atari800-sdl ] ; then
    exec /usr/bin/atari800-sdl
  elif [ -x /usr/bin/atari800-ncurses ] ; then
    echo "atari800-x11 and atari800-sdl not found, trying atari800-ncurses..."
    exec /usr/bin/atari800-ncurses
  else
    echo "Cannot run Atari800 - executable not found."
    echo "Install atari800-x11, atari800-sdl or atari800-ncurses package."
  fi
else
  if [ -x /usr/bin/atari800-ncurses ] ; then
    exec /usr/bin/atari800-ncurses
  else
    if [ -x /usr/bin/atari800-x11 -o -x /usr/bin/atari800-sdl ] ; then
      echo "Cannot run Atari800 - DISPLAY not found."
      echo "atari800-x11 and atari800-sdl need X-server running and DISPLAY variable set."
      echo "Install atari800-ncurses package for use without X."
    else
      echo "Cannot run Atari800 - executable not found."
      echo "Install atari800-x11, atari800-sdl or atari800-ncurses package."
    fi
  fi
fi