# DOSBox-X MCP Docker Compose
#
# Usage:
#   docker compose up -d          # Start DOSBox-X
#   docker compose logs -f        # View logs
#   docker compose down           # Stop
#
# For GUI (X11 forwarding):
#   xhost +local:docker           # Allow Docker X11 access
#   docker compose up -d

services:
  dosbox:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: dosbox-mcp

    # Ports (remotedebug fork exposes these when built with --enable-remotedebug)
    ports:
      - "${GDB_PORT:-1234}:1234"     # GDB server (standard GDB remote protocol)
      - "${QMP_PORT:-4444}:4444"     # QMP server (QEMU Machine Protocol)
      - "5555:5555"                   # Serial nullmodem for RIPscrip input

    # X11 forwarding for display
    environment:
      - DISPLAY=${DISPLAY:-:0}
    volumes:
      - /tmp/.X11-unix:/tmp/.X11-unix:rw
      - ${XDG_RUNTIME_DIR:-/run/user/1000}:${XDG_RUNTIME_DIR:-/run/user/1000}:rw

      # DOS files directory
      - ${DOS_DIR:-./dos}:/dos:rw

      # Custom config (optional)
      - ${CONFIG_FILE:-./config/dosbox.conf}:/config/dosbox.conf:ro

    # Audio (PulseAudio)
    devices:
      - /dev/snd:/dev/snd

    # For PulseAudio sound
    # Uncomment if you want sound support:
    # - ${XDG_RUNTIME_DIR}/pulse:/run/user/1000/pulse:rw

    # Run options
    stdin_open: true
    tty: true

    # Resource limits
    deploy:
      resources:
        limits:
          cpus: '2'
          memory: 1G

    # Healthcheck - verify GDB port is listening
    healthcheck:
      test: ["CMD-SHELL", "nc -z localhost 1234 || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 30s

    # Restart policy
    restart: unless-stopped

# Optional: Separate container for headless operation
  dosbox-headless:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: dosbox-mcp-headless
    profiles:
      - headless

    ports:
      - "${GDB_PORT_HEADLESS:-1235}:1234"   # GDB server
      - "${QMP_PORT_HEADLESS:-4445}:4444"   # QMP server

    environment:
      # Use virtual framebuffer for headless
      - SDL_VIDEODRIVER=dummy
      - SDL_AUDIODRIVER=dummy

    volumes:
      - ${DOS_DIR:-./dos}:/dos:rw
      - ${CONFIG_FILE:-./config/dosbox.conf}:/config/dosbox.conf:ro

    stdin_open: true
    tty: true

    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M