services:
  # PostgreSQL Database
  db:
    image: postgres:16-alpine
    container_name: iot_db
    environment:
      POSTGRES_DB: iot
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    volumes:
      - db_data:/var/lib/postgresql/data
      - ./backend/scripts/init-db.sh:/docker-entrypoint-initdb.d/init-db.sh:ro
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres -d iot"]
      interval: 30s
      timeout: 10s
      retries: 5
    restart: unless-stopped
    networks:
      - iot_net

  # Redis Cache & Session Store
  redis:
    image: redis:7-alpine
    container_name: iot_redis
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis_data:/data
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 30s
      timeout: 10s
      retries: 5
    restart: unless-stopped
    networks:
      - iot_net

  # MQTT Broker
  mqtt:
    image: eclipse-mosquitto:2
    container_name: iot_mqtt
    volumes:
      - ./docker/mosquitto/mosquitto.conf:/mosquitto/config/mosquitto.conf:ro
      - mqtt_data:/mosquitto/data
      - mqtt_logs:/mosquitto/log
    ports:
      - "1883:1883"   # MQTT
      - "9001:9001"   # WebSocket
    healthcheck:
      test: ["CMD", "mosquitto_pub", "-h", "localhost", "-t", "test", "-m", "test"]
      interval: 30s
      timeout: 10s
      retries: 5
    restart: unless-stopped
    networks:
      - iot_net

  # Django Backend API
  api:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: iot_api
    environment:
      DJANGO_SETTINGS_MODULE: core.settings
      DATABASE_URL: postgres://postgres:postgres@db:5432/iot
      REDIS_URL: redis://redis:6379/0
      MQTT_BROKER_URL: mqtt
      MQTT_BROKER_PORT: 1883
      ALLOWED_HOSTS: "*"
      DJANGO_DEBUG: 1
      CORS_ALLOWED_ORIGINS: http://localhost:5173,http://localhost:3000,http://web:5173,http://0.0.0.0:5173
      DJANGO_SUPERUSER_EMAIL: admin@example.com
      DJANGO_SUPERUSER_PASSWORD: admin123
      CELERY_BROKER_URL: redis://redis:6379/1
      CELERY_RESULT_BACKEND: redis://redis:6379/1
    volumes:
      - ./backend:/app
      - static_volume:/app/staticfiles
      - media_volume:/app/media
    ports:
      - "8000:8000"
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy
      mqtt:
        condition: service_healthy
    restart: unless-stopped
    networks:
      - iot_net

  # Celery Worker for Background Tasks
  celery:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: iot_celery
    environment:
      DJANGO_SETTINGS_MODULE: core.settings
      DATABASE_URL: postgres://postgres:postgres@db:5432/iot
      REDIS_URL: redis://redis:6379/0
      MQTT_BROKER_URL: mqtt
      MQTT_BROKER_PORT: 1883
      CELERY_BROKER_URL: redis://redis:6379/1
      CELERY_RESULT_BACKEND: redis://redis:6379/1
    volumes:
      - ./backend:/app
    command: sh -c "python -m celery -A core worker -l info"
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy
      api:
        condition: service_started
    healthcheck:
      test: ["CMD", "python", "-m", "celery", "-A", "core", "inspect", "ping"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 10s
    restart: unless-stopped
    networks:
      - iot_net

  # React Frontend (Development)
  web:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      target: development
    container_name: iot_web
    environment:
      VITE_API_BASE: http://localhost:8000
      VITE_WS_BASE: ws://localhost:8000
      VITE_MQTT_WS_URL: ws://localhost:9001
    volumes:
      - ./frontend:/usr/src/app
      - /usr/src/app/node_modules
    ports:
      - "5173:5173"
    depends_on:
      - api
    restart: unless-stopped
    networks:
      - iot_net

  # Nginx Reverse Proxy (Production)
  nginx:
    image: nginx:alpine
    container_name: iot_nginx
    volumes:
      - ./docker/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./docker/nginx/sites-available:/etc/nginx/sites-available:ro
      - static_volume:/app/staticfiles:ro
      - media_volume:/app/media:ro
    ports:
      - "80:80"
      - "443:443"
    depends_on:
      - api
      - web
    restart: unless-stopped
    networks:
      - iot_net
    profiles:
      - production

volumes:
  db_data:
  redis_data:
  mqtt_data:
  mqtt_logs:
  static_volume:
  media_volume:

networks:
  iot_net:
    driver: bridge