# ============================================================
# Office Translator - Local Docker Compose (Mac Testing)
# ============================================================
# Usage:  ./deploy.sh start      (or: docker compose -f docker-compose.local.yml --env-file .env.docker up -d)
# Access: http://localhost (Nginx) | http://localhost:8000 (Backend direct) | http://localhost:3000 (Frontend direct)
#
# Services: PostgreSQL 16, Redis 7, Backend (FastAPI), Frontend (Next.js), Nginx (HTTP reverse proxy)
# ============================================================

services:
  # ===========================================
  # PostgreSQL Database
  # ===========================================
  postgres:
    image: postgres:16-alpine
    container_name: translate-postgres
    restart: unless-stopped
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-translate}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-translate_local_2026}
      POSTGRES_DB: ${POSTGRES_DB:-translate_db}
      PGDATA: /var/lib/postgresql/data/pgdata
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    networks:
      - translate-network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-translate} -d ${POSTGRES_DB:-translate_db}"]
      interval: 5s
      timeout: 5s
      retries: 10
      start_period: 10s

  # ===========================================
  # Redis (Caching, Sessions, Rate Limiting)
  # ===========================================
  redis:
    image: redis:7-alpine
    container_name: translate-redis
    restart: unless-stopped
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru --loglevel warning
    volumes:
      - redis_data:/data
    ports:
      - "6379:6379"
    networks:
      - translate-network
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 5s
      retries: 5
      start_period: 5s

  # ===========================================
  # Backend API (FastAPI) - Production build
  # ===========================================
  backend:
    build:
      context: .
      dockerfile: docker/backend/Dockerfile
      target: production
    container_name: translate-backend
    restart: unless-stopped
    extra_hosts:
      - "host.docker.internal:host-gateway"
    env_file:
      - .env.docker
    environment:
      # Override DB URL to use Docker service name
      DATABASE_URL: postgresql+asyncpg://${POSTGRES_USER:-translate}:${POSTGRES_PASSWORD:-translate_local_2026}@postgres:5432/${POSTGRES_DB:-translate_db}
      REDIS_URL: redis://redis:6379/0
      ENV: production
      PORT: "8000"
      WORKERS: "2"
    volumes:
      - uploads_data:/app/uploads
      - outputs_data:/app/outputs
      - logs_data:/app/logs
      - ./data:/app/data
    ports:
      - "8000:8000"
    networks:
      - translate-network
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 15s
      timeout: 10s
      retries: 5
      start_period: 30s

  # ===========================================
  # Frontend (Next.js) - Production build
  # ===========================================
  frontend:
    build:
      context: .
      dockerfile: docker/frontend/Dockerfile
      target: production
      args:
        NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-}
        BACKEND_URL: http://backend:8000
    container_name: translate-frontend
    restart: unless-stopped
    environment:
      NODE_ENV: production
      PORT: "3000"
      HOSTNAME: "0.0.0.0"
      # Server-side proxy: backend accessible via Docker network
      BACKEND_URL: http://backend:8000
    ports:
      - "${FRONTEND_PORT:-3010}:3000"
    networks:
      - translate-network
    depends_on:
      backend:
        condition: service_healthy
    healthcheck:
      test: ["CMD-SHELL", "node -e \"fetch('http://localhost:3000/').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))\""]
      interval: 15s
      timeout: 10s
      retries: 3
      start_period: 15s

  # ===========================================
  # Nginx Reverse Proxy (HTTP only for local)
  # ===========================================
  nginx:
    image: nginx:alpine
    container_name: translate-nginx
    restart: unless-stopped
    ports:
      - "${HTTP_PORT:-80}:80"
    volumes:
      - ./docker/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./docker/nginx/conf.d/local.conf:/etc/nginx/conf.d/default.conf:ro
      - nginx_cache:/var/cache/nginx
    networks:
      - translate-network
    depends_on:
      backend:
        condition: service_healthy
      frontend:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "nginx", "-t"]
      interval: 30s
      timeout: 10s
      retries: 3

# ===========================================
# Networks
# ===========================================
networks:
  translate-network:
    driver: bridge

# ===========================================
# Volumes
# ===========================================
volumes:
  postgres_data:
    driver: local
  redis_data:
    driver: local
  uploads_data:
    driver: local
  outputs_data:
    driver: local
  logs_data:
    driver: local
  nginx_cache:
    driver: local