# app/main.py

import logging
from fastapi import FastAPI, Request
from fastapi.responses import JSONResponse
from fastapi.middleware.cors import CORSMiddleware
from app.api import routes
from app.core.config import settings
from app.core.cache import cache
import uvicorn

# Настройка логирования
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

app = FastAPI(
    title="Toxicity Assessment API",
    description="API для оценки токсичности текста",
    version="1.0"
)

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

app.include_router(routes.router)

@app.on_event("startup")
async def startup_event():
    logger.info("Toxicity Assessment API запущен и готов к работе.")
    logger.info(f"MODEL_CHECKPOINT: {settings.MODEL_CHECKPOINT}")
    logger.info(f"USE_CUDA: {settings.USE_CUDA}")
    await cache.connect()

@app.on_event("shutdown")
async def shutdown_event():
    await cache.disconnect()

@app.exception_handler(Exception)
async def global_exception_handler(request: Request, exc: Exception):
    logger.error(f"Ошибка: {exc}")
    return JSONResponse(
        status_code=500,
        content={"detail": "Внутренняя ошибка сервера."},
    )


if __name__ == "__main__":
    uvicorn.run(
        "app.main:app",
        loop="uvloop"
    )