from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from contextlib import asynccontextmanager
import uvicorn
from datetime import datetime

from app.api.endpoints import router
from app.core.config import settings

@asynccontextmanager
async def lifespan(app: FastAPI):
    # 시작 시
    print("Images service starting...")
    yield
    # 종료 시
    print("Images service stopping...")

app = FastAPI(
    title="Images Service",
    description="이미지 업로드, 프록시 및 캐싱 서비스",
    version="2.0.0",
    lifespan=lifespan
)

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

# 라우터 등록
app.include_router(router, prefix="/api/v1")

@app.get("/")
async def root():
    return {
        "service": "Images Service",
        "version": "2.0.0",
        "timestamp": datetime.now().isoformat(),
        "endpoints": {
            "proxy": "/api/v1/image?url=<image_url>&size=<optional_size>",
            "upload": "/api/v1/upload",
            "stats": "/api/v1/stats",
            "cleanup": "/api/v1/cleanup"
        }
    }

@app.get("/health")
async def health_check():
    return {
        "status": "healthy",
        "service": "images",
        "timestamp": datetime.now().isoformat()
    }

if __name__ == "__main__":
    uvicorn.run(
        "main:app",
        host="0.0.0.0",
        port=8000,
        reload=True
    )