#!/bin/bash
# RustDesk VPS Headless Client Startup Script
# Starts Xvfb :99, waits for display, then launches RustDesk client via DBus

set -e

# Kill old Xvfb
pkill -9 Xvfb 2>/dev/null || true
sleep 1

# Start Xvfb
/usr/bin/Xvfb :99 -screen 0 1920x1080x24 -ac -nolisten tcp -nolisten unix &
XVFB_PID=$!
sleep 2

# Wait for display to be ready
for i in $(seq 1 30); do
    if xdpyinfo -display :99 > /dev/null 2>&1; then
        break
    fi
    sleep 1
done

# Verify display is up
if ! xdpyinfo -display :99 > /dev/null 2>&1; then
    echo "ERROR: Xvfb failed to start on :99"
    kill $XVFB_PID 2>/dev/null || true
    exit 1
fi

export DISPLAY=:99

# Start RustDesk client inside DBus session (required for headless GUI apps)
exec /usr/bin/dbus-run-session -- /usr/share/rustdesk/rustdesk --server