services:
  # ── PostgreSQL + PostGIS ─────────────────────────────────────────────────
  db:
    image: postgis/postgis:15-3.3
    container_name: georesilience_db
    restart: unless-stopped
    environment:
      POSTGRES_DB: ${DB_NAME:-fyp_georesilience}
      POSTGRES_USER: ${DB_USER:-fyp_user}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-fyp_pass}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-fyp_user} -d ${DB_NAME:-fyp_georesilience}"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ── Django Backend ───────────────────────────────────────────────────────
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: georesilience_backend
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy
    environment:
      SECRET_KEY: ${SECRET_KEY}
      DEBUG: ${DEBUG:-False}
      DB_NAME: ${DB_NAME:-fyp_georesilience}
      DB_USER: ${DB_USER:-fyp_user}
      DB_PASSWORD: ${DB_PASSWORD:-fyp_pass}
      DB_HOST: db
      DB_PORT: 5432
      FRONTEND_URL: ${FRONTEND_URL:-http://localhost}
      GROQ_API_KEY: ${GROQ_API_KEY}
    volumes:
      # Persist outputs (graph pickle, logs) across restarts
      - backend_outputs:/app/outputs
    ports:
      - "8000:8000"
    command: >
      sh -c "python manage.py migrate --run-syncdb &&
             gunicorn config.wsgi:application --bind 0.0.0.0:8000 --workers 3 --timeout 120"

  # ── Pipeline Runner ──────────────────────────────────────────────────────
  pipelines:
    build:
      context: ./pipelines
      dockerfile: Dockerfile
    container_name: georesilience_pipelines
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy
    environment:
      DB_NAME: ${DB_NAME:-fyp_georesilience}
      DB_USER: ${DB_USER:-fyp_user}
      DB_PASSWORD: ${DB_PASSWORD:-fyp_pass}
      DB_HOST: db
      DB_PORT: 5432
      GROQ_API_KEY: ${GROQ_API_KEY}
    volumes:
      # Share outputs with backend (graph_baseline.gpickle etc.)
      - backend_outputs:/app/outputs
      # Keep pipeline data files in container
      - ./pipelines/data:/app/data:ro
    # Run scenario simulation; override for other scripts:
    #   docker-compose run pipelines python hazard_model.py
    command: python scenario_simulation.py
    profiles:
      - pipeline  # Only starts when explicitly requested

  # ── React Frontend (Nginx) ───────────────────────────────────────────────
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      args:
        VITE_API_URL: ${VITE_API_URL:-/api}
        VITE_MAPTILER_KEY: ${VITE_MAPTILER_KEY}
        VITE_CESIUM_TOKEN: ${VITE_CESIUM_TOKEN}
    container_name: georesilience_frontend
    restart: unless-stopped
    depends_on:
      - backend
    ports:
      - "80:80"

volumes:
  postgres_data:
  backend_outputs: