#!/bin/bash
set -e

# Start Xvfb for headless QT rendering
Xvfb :99 -screen 0 1280x720x24 -ac +extension GLX +render -noreset &
XVFB_PID=$!

# Wait for Xvfb to be ready
while ! xdpyinfo -display :99 >/dev/null 2>&1; do
    sleep 0.1
done
echo "Xvfb ready on :99"

# Optional VNC server for visual debugging
if [ "${ENABLE_VNC:-0}" = "1" ]; then
    x11vnc -display :99 -forever -nopw -shared -rfbport 5900 &
    echo "VNC server on :5900"
fi

# Enable ControlPort if requested (Phase 2: Thrift integration)
if [ "${ENABLE_CONTROLPORT:-0}" = "1" ]; then
    mkdir -p ~/.gnuradio
    cat > ~/.gnuradio/config.conf << EOF
[ControlPort]
on = True
edges_list = True

[thrift]
port = ${CONTROLPORT_PORT:-9090}

[PerfCounters]
on = ${ENABLE_PERF_COUNTERS:-True}
export = True
EOF
    echo "ControlPort enabled on port ${CONTROLPORT_PORT:-9090}"
    if [ "${ENABLE_PERF_COUNTERS:-True}" = "True" ]; then
        echo "Performance counters enabled"
    fi
fi

# Run the flowgraph (passed as CMD arguments)
exec "$@"