#!/bin/sh
set -eu

Xvfb :99 -screen 0 "${SCREEN_SIZE:-1920x1080x24}" -nolisten tcp -ac &
xvfb_pid=$!
i=0
while [ "$i" -lt 300 ]; do
  [ -S /tmp/.X11-unix/X99 ] && break
  kill -0 "$xvfb_pid" 2>/dev/null || exit 1
  i=$((i + 1))
  sleep 0.1
done
[ -S /tmp/.X11-unix/X99 ] || {
  echo "Xvfb did not become ready" >&2
  exit 1
}
export DISPLAY=:99
x11vnc -display :99 -listen "$(hostname -i)" -rfbport 5900 -forever -nopw -nevershared -dontdisconnect -noclipboard -nosetclipboard -noprimary -nosetprimary -quiet &
rfb_pid=$!
kill -0 "$rfb_pid" 2>/dev/null || {
  echo "RFB service did not start" >&2
  exit 1
}
remote_debugging_port=${REMOTE_DEBUGGING_PORT:-9222}
case "$remote_debugging_port" in
'' | *[!0-9]*)
  echo "REMOTE_DEBUGGING_PORT must be numeric" >&2
  exit 2
  ;;
esac
socat "TCP-LISTEN:${remote_debugging_port},fork,reuseaddr,bind=$(hostname -i)" "TCP:127.0.0.1:${remote_debugging_port}" &
exec /opt/chromium/chrome --disable-dev-shm-usage --no-sandbox --no-default-browser-check --no-first-run --remote-debugging-port="$remote_debugging_port" --user-data-dir=/data "$@"