# ============================================================
# 可乐平台 异步化架构 · Docker Compose 编排
# ------------------------------------------------------------
# 架构总览（生产形态）:
#   [浏览器] --8080--> [Nginx 前端容器]
#                        ├─ /            → React SPA 静态资源 (build 产物，动静分离)
#                        ├─ /api 等前缀  → 反向代理 → Granian(Django+ADRF) :8000
#                        └─ /ws/         → 反向代理 → Granian(Channels WS) :8000
#   数据层: PostgreSQL 16 (psycopg3 全链路异步 ORM) + Redis 7 (缓存/Session/Celery)
#   开发形态: Vite HMR 开发服务器 :5173，API 走 vite proxy → :8000
# ============================================================

x-backend-env: &backend-env
  DJANGO_SECRET_KEY: ${DJANGO_SECRET_KEY:-docker-dev-only-secret-change-in-production}
  # 默认 True（局域网/开发无 TLS）；生产环境启用 TLS 时显式设 DJANGO_DEBUG=False
  DJANGO_DEBUG: ${DJANGO_DEBUG:-True}
  DJANGO_ALLOWED_HOSTS: "localhost,127.0.0.1,backend,nginx,host.docker.internal,192.168.5.7"
  CORS_ALLOWED_ORIGINS: "http://localhost:8080,http://127.0.0.1:8080,http://localhost:5173,http://127.0.0.1:5173,http://192.168.5.7:18080"
  # --- PostgreSQL（异步 ORM 必备）---
  DB_ENGINE: "django.db.backends.postgresql"
  DB_NAME: "chunyu"
  DB_USER: "chunyu"
  DB_PASSWORD: "${POSTGRES_PASSWORD:-chunyu_pg_pass}"
  DB_HOST: "postgres"
  DB_PORT: "5432"
  # --- Redis ---
  REDIS_HOST: "redis"
  REDIS_PORT: "6379"
  REDIS_PASSWORD: "${REDIS_PASSWORD:-chunyu_redis_pass}"

services:
  # ============================================
  # PostgreSQL 16 —— 全链路异步 ORM 的数据层
  # ============================================
  postgres:
    image: postgres:16-alpine
    container_name: chunyu-postgres
    environment:
      POSTGRES_DB: chunyu
      POSTGRES_USER: chunyu
      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD:-chunyu_pg_pass}"
      TZ: Asia/Shanghai
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - chunyu-net
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U chunyu -d chunyu"]
      interval: 5s
      timeout: 5s
      retries: 10

  # ============================================
  # Redis 7 —— 缓存 / Session / Celery broker / Channels layer
  # ============================================
  redis:
    image: redis:7-alpine
    container_name: chunyu-redis
    command: >
      redis-server
      --requirepass ${REDIS_PASSWORD:-chunyu_redis_pass}
      --maxmemory 256mb
      --maxmemory-policy allkeys-lru
      --appendonly yes
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    networks:
      - chunyu-net
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "redis-cli -a $$REDIS_PASSWORD ping | grep PONG"]
      interval: 5s
      timeout: 5s
      retries: 10
    environment:
      REDIS_PASSWORD: ${REDIS_PASSWORD:-chunyu_redis_pass}

  # ============================================
  # Django Backend —— Granian(Rust) + ADRF 异步视图 + 异步 ORM
  # ============================================
  backend:
    build:
      context: ./chunyu_project
      dockerfile: Dockerfile
    container_name: chunyu-backend
    environment:
      <<: *backend-env
    ports:
      - "8000:8000"
    volumes:
      - backend_media:/app/media
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - chunyu-net
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/', timeout=5)"]
      interval: 15s
      timeout: 10s
      retries: 8
      start_period: 120s

  # ============================================
  # React Frontend —— Nginx 托管 SPA 静态产物 + API 反代
  # ============================================
  frontend:
    build:
      context: ./chunyu_project_react
      dockerfile: Dockerfile
    container_name: chunyu-frontend
    ports:
      - "8080:80"
    volumes:
      - ./nginx-docker.conf:/etc/nginx/conf.d/default.conf:ro
    depends_on:
      backend:
        condition: service_healthy
    networks:
      chunyu-net:
        aliases:
          - nginx
    restart: unless-stopped

  # ============================================
  # Android Emulator (Redroid) —— 仅本地开发需要，profiles: android
  # ============================================
  android:
    image: redroid/redroid:14.0.0-latest
    container_name: chunyu-android
    privileged: true
    profiles:
      - android
    ports:
      - "5555:5555"
      - "5556:5556"
    volumes:
      - android_data:/data
    devices:
      - /dev/kvm
    shm_size: '4gb'
    networks:
      - chunyu-net
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "sh", "-c", "echo 'test'"]
      interval: 30s
      timeout: 10s
      retries: 3

  # ============================================
  # Android Tools (ADB + APK installer) —— 仅本地开发需要，profiles: android
  # ============================================
  android-tools:
    build:
      context: ./android
      dockerfile: Dockerfile.tools
    container_name: chunyu-android-tools
    profiles:
      - android
    depends_on:
      - android
    volumes:
      - ./android/apks:/app/apks:ro
      - ./android/scripts:/app/scripts:ro
    environment:
      - ANDROID_HOST=android
      - ANDROID_PORT=5555
      - APK_PATH=/app/apks/app-debug.apk
      - LAUNCH_ACTIVITY=com.chunyu.app/.MainActivity
    networks:
      - chunyu-net
    restart: "no"

# ============================================
# Volumes
# ============================================
volumes:
  postgres_data:
    driver: local
  redis_data:
    driver: local
  backend_media:
    driver: local
  android_data:
    driver: local

# ============================================
# Networks
# ============================================
networks:
  chunyu-net:
    driver: bridge
    ipam:
      config:
        - subnet: 172.28.0.0/16