version: '3.8'

# HDH Deployment Docker Compose
# Comprehensive deployment setup for HDH library examples
# Special thanks to Maria Gragera Garces for the HDH library!

services:
  # Main HDH deployment service
  hdh-deployment:
    build:
      context: .
      dockerfile: Dockerfile
      args:
        BUILD_DATE: ${BUILD_DATE:-$(date -u +'%Y-%m-%dT%H:%M:%SZ')}
        VERSION: ${VERSION:-1.0.0}
    container_name: hdh-deployment
    restart: unless-stopped
    environment:
      - HDH_OUTPUT_DIR=/app/hdh_results
      - HDH_LOG_LEVEL=${HDH_LOG_LEVEL:-INFO}
      - PYTHONPATH=/app
      - MPLBACKEND=Agg
    volumes:
      - hdh_results:/app/hdh_results
      - benchmark_results:/app/benchmark_results
      - logs:/app/logs
      - ./config.yaml:/app/config.yaml:ro
      # Mount additional QASM files if available
      - ${QASM_DIR:-./qasm_examples}:/app/qasm_examples:ro
    command: ["python", "main.py", "--demo-mode", "--output-dir", "/app/hdh_results"]
    networks:
      - hdh-network
    labels:
      - "hdh.service=deployment"
      - "hdh.description=Main HDH deployment service"
      - "hdh.credits=Thanks to Maria Gragera Garces"

  # Benchmarking service
  hdh-benchmark:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: hdh-benchmark
    restart: "no"  # Run once
    environment:
      - HDH_OUTPUT_DIR=/app/benchmark_results
      - HDH_LOG_LEVEL=${HDH_LOG_LEVEL:-INFO}
      - PYTHONPATH=/app
      - MPLBACKEND=Agg
    volumes:
      - benchmark_results:/app/benchmark_results
      - logs:/app/logs
      - ./config.yaml:/app/config.yaml:ro
    command: [
      "python", "benchmark.py", 
      "--suite", "all", 
      "--repetitions", "${BENCHMARK_REPETITIONS:-3}",
      "--output-dir", "/app/benchmark_results"
    ]
    networks:
      - hdh-network
    labels:
      - "hdh.service=benchmark"
      - "hdh.description=HDH performance benchmarking"
    profiles:
      - benchmark

  # Circuit examples generator
  hdh-examples:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: hdh-examples
    restart: "no"  # Run once
    environment:
      - PYTHONPATH=/app
    volumes:
      - qasm_examples:/app/qasm_examples
      - logs:/app/logs
    command: ["python", "circuit_examples.py"]
    networks:
      - hdh-network
    labels:
      - "hdh.service=examples"
      - "hdh.description=Generate quantum circuit examples"
    profiles:
      - examples

  # Jupyter notebook service (optional)
  hdh-jupyter:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: hdh-jupyter
    restart: unless-stopped
    environment:
      - JUPYTER_ENABLE_LAB=yes
      - JUPYTER_TOKEN=${JUPYTER_TOKEN:-hdh-token}
      - PYTHONPATH=/app
    volumes:
      - hdh_results:/app/hdh_results
      - benchmark_results:/app/benchmark_results
      - ./notebooks:/app/notebooks
      - ./config.yaml:/app/config.yaml:ro
    ports:
      - "${JUPYTER_PORT:-8888}:8888"
    command: [
      "jupyter", "lab", 
      "--ip=0.0.0.0", 
      "--port=8888", 
      "--no-browser", 
      "--allow-root",
      "--notebook-dir=/app"
    ]
    networks:
      - hdh-network
    labels:
      - "hdh.service=jupyter"
      - "hdh.description=Jupyter Lab for interactive HDH analysis"
    profiles:
      - jupyter

  # Web dashboard (placeholder for future development)
  hdh-dashboard:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: hdh-dashboard
    restart: unless-stopped
    environment:
      - FLASK_APP=dashboard.py
      - FLASK_ENV=${FLASK_ENV:-production}
      - HDH_RESULTS_DIR=/app/hdh_results
    volumes:
      - hdh_results:/app/hdh_results:ro
      - benchmark_results:/app/benchmark_results:ro
    ports:
      - "${DASHBOARD_PORT:-8080}:8080"
    command: ["python", "-c", "print('Dashboard service placeholder - to be implemented')"]
    networks:
      - hdh-network
    labels:
      - "hdh.service=dashboard"
      - "hdh.description=Web dashboard for HDH results"
    profiles:
      - dashboard

# Named volumes for persistent storage
volumes:
  hdh_results:
    driver: local
    labels:
      - "hdh.volume=results"
      - "hdh.description=HDH processing results"
  
  benchmark_results:
    driver: local
    labels:
      - "hdh.volume=benchmarks"
      - "hdh.description=Performance benchmark results"
  
  qasm_examples:
    driver: local
    labels:
      - "hdh.volume=examples"
      - "hdh.description=Generated QASM examples"
  
  logs:
    driver: local
    labels:
      - "hdh.volume=logs"
      - "hdh.description=Application logs"

# Custom network
networks:
  hdh-network:
    driver: bridge
    labels:
      - "hdh.network=main"
      - "hdh.description=HDH deployment network"

# Environment variables with defaults
# Create a .env file to override these values:
#
# HDH_LOG_LEVEL=DEBUG
# BENCHMARK_REPETITIONS=5
# JUPYTER_TOKEN=your-secure-token
# JUPYTER_PORT=8888
# DASHBOARD_PORT=8080
# QASM_DIR=./qasm_files
# BUILD_DATE=2024-01-01T00:00:00Z
# VERSION=1.0.0