services:

  # ── MQTT Broker ──────────────────────────────────────────────────
  mqtt:
    image: eclipse-mosquitto:2
    container_name: dcim_mqtt
    restart: unless-stopped
    ports:
      - "1883:1883"
    volumes:
      - ./infra/mosquitto/mosquitto.conf:/mosquitto/config/mosquitto.conf:ro
    healthcheck:
      test: ["CMD-SHELL", "mosquitto_sub -t '$$SYS/#' -C 1 -i healthcheck -W 3"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ── PostgreSQL + TimescaleDB ─────────────────────────────────────
  db:
    image: timescale/timescaledb:latest-pg16
    container_name: dcim_db
    restart: unless-stopped
    environment:
      POSTGRES_USER: dcim
      POSTGRES_PASSWORD: dcim_pass
      POSTGRES_DB: dcim
    ports:
      - "5433:5432"   # host 5433 → container 5432 (avoids conflict with existing Postgres)
    volumes:
      - db_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U dcim -d dcim"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ── FastAPI backend ──────────────────────────────────────────────
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: dcim_backend
    restart: unless-stopped
    env_file:
      - ./backend/.env
    environment:
      DATABASE_URL: postgresql+asyncpg://dcim:dcim_pass@db:5432/dcim
      MQTT_HOST: mqtt
      MQTT_PORT: "1883"
    ports:
      - "8000:8000"
    depends_on:
      db:
        condition: service_healthy
      mqtt:
        condition: service_healthy
    volumes:
      - ./backend:/app
    command: uvicorn main:app --host 0.0.0.0 --port 8000 --reload
    healthcheck:
      test: ["CMD-SHELL", "curl -sf http://localhost:8000/api/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 20s

  # ── Simulator bots (seed first, then run bots) ───────────────────
  simulators:
    build:
      context: ./simulators
      dockerfile: Dockerfile
    container_name: dcim_simulators
    restart: unless-stopped
    environment:
      MQTT_HOST: mqtt
      MQTT_PORT: "1883"
      DATABASE_URL: postgresql://dcim:dcim_pass@db:5432/dcim
      SEED_MINUTES: "30"
    depends_on:
      db:
        condition: service_healthy
      mqtt:
        condition: service_healthy
      backend:
        condition: service_healthy
    volumes:
      - ./simulators:/app

  # ── Next.js frontend ─────────────────────────────────────────────
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    container_name: dcim_frontend
    restart: unless-stopped
    env_file:
      - ./frontend/.env.local
    ports:
      - "5646:5646"
    depends_on:
      - backend
    environment:
      PORT: "5646"
      BACKEND_INTERNAL_URL: http://backend:8000

volumes:
  db_data: