"""AI Service - FastAPI 애플리케이션"""
import logging
import uvicorn
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from contextlib import asynccontextmanager

from app.config import get_settings
from app.api.v1 import suggestions

# 로깅 설정
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)

settings = get_settings()


@asynccontextmanager
async def lifespan(app: FastAPI):
    """애플리케이션 생명주기 관리"""
    logger.info("=" * 60)
    logger.info(f"AI Service (Python) 시작 - Port: {settings.port}")
    logger.info(f"Claude Model: {settings.claude_model}")
    logger.info(f"Redis: {settings.redis_host}:{settings.redis_port}")
    logger.info("=" * 60)

    # TODO: Event Hub 리스너 시작 (별도 백그라운드 태스크)
    # asyncio.create_task(start_eventhub_listener())

    yield

    logger.info("AI Service 종료")


# FastAPI 애플리케이션
app = FastAPI(
    title=settings.app_name,
    version="1.0.0",
    description="실시간 AI 제안사항 서비스 (Python)",
    lifespan=lifespan
)

# CORS 설정
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# 라우터 등록
app.include_router(
    suggestions.router,
    prefix="/api/v1/ai/suggestions",
    tags=["AI Suggestions"]
)


@app.get("/")
async def root():
    """루트 엔드포인트"""
    return {
        "service": settings.app_name,
        "version": "1.0.0",
        "status": "running",
        "endpoints": {
            "test": "/api/v1/ai/suggestions/test",
            "stream": "/api/v1/ai/suggestions/meetings/{meeting_id}/stream"
        }
    }


@app.get("/health")
async def health_check():
    """헬스 체크"""
    return {
        "status": "healthy",
        "service": settings.app_name
    }


if __name__ == "__main__":
    uvicorn.run(
        "main:app",
        host=settings.host,
        port=settings.port,
        reload=True,  # 개발 모드
        log_level=settings.log_level.lower()
    )