#!/bin/sh
set -eu

: "${GAMEPLAY_DISPLAY:=:98}"
: "${GAMEPLAY_WIDTH:=1280}"
: "${GAMEPLAY_HEIGHT:=720}"
: "${OSU_EXE:=/data/osu/osu!.exe}"
: "${TOSU_BIN:=/data/tosu/tosu}"

if [ ! -f "$OSU_EXE" ]; then
  echo "Missing $OSU_EXE. Mount a dedicated osu! stable installation at /data/osu." >&2
  exit 1
fi

Xvfb "$GAMEPLAY_DISPLAY" -screen 0 "${GAMEPLAY_WIDTH}x$((GAMEPLAY_HEIGHT + 220))x24" -nolisten tcp &
export DISPLAY="$GAMEPLAY_DISPLAY"
sleep 2

if [ -n "${VNC_PASSWORD:-}" ]; then
  x11vnc -storepasswd "$VNC_PASSWORD" /tmp/vash-vnc.pass >/dev/null
  x11vnc -display "$GAMEPLAY_DISPLAY" -rfbauth /tmp/vash-vnc.pass -rfbport 5900 -forever -shared -quiet &
  websockify --web=/usr/share/novnc 0.0.0.0:6080 127.0.0.1:5900 &
fi

pulseaudio --start --exit-idle-time=-1
pactl load-module module-null-sink sink_name=vash >/dev/null
export PULSE_SINK=vash

# On first use, run osu! normally in the VNC screen, sign in with Remember
# Username/Password, then restart without OSU_SETUP. The agent writes
# tournament.cfg only after this setup run has ended.
if [ "${OSU_SETUP:-0}" = 1 ]; then
  if [ -f "$(dirname "$OSU_EXE")/tournament.cfg" ]; then
    echo "OSU_SETUP needs a fresh installation without tournament.cfg." >&2
    exit 1
  fi
  if [ "${OSU_DOTNET:-0}" = 1 ]; then
    winetricks -q dotnet48
  fi
  cd "$(dirname "$OSU_EXE")"
  exec wine "$OSU_EXE"
fi

if [ ! -x "$TOSU_BIN" ]; then
  echo "Missing executable $TOSU_BIN. Mount the tosu Linux build at /data/tosu/tosu." >&2
  exit 1
fi
if [ -z "${VASH_SERVER:-}" ] || [ -z "${VASH_CHANNEL:-}" ] || [ -z "${VASH_TOKEN:-}" ]; then
  echo "Set VASH_SERVER, VASH_CHANNEL and VASH_TOKEN." >&2
  exit 1
fi

export TOSU_OSU_PATH="$(dirname "$OSU_EXE")"
(
  while :; do
    "$TOSU_BIN" || true
    echo "tosu stopped; restarting in 3 seconds" >&2
    sleep 3
  done
) &
(
  while :; do
    AUTO_JOIN=1 vash-agent --server "$VASH_SERVER" --channel "$VASH_CHANNEL" --token "$VASH_TOKEN" --osu-exe "$OSU_EXE" --auto-join || true
    echo "Vash agent stopped; restarting in 3 seconds" >&2
    sleep 3
  done
) &
exec vash-tv