from fastapi import Request, status
from fastapi.responses import JSONResponse
from fastapi.exceptions import RequestValidationError
from starlette.exceptions import HTTPException as StarletteHTTPException
import logging

logger = logging.getLogger(__name__)


async def validation_exception_handler(request: Request, exc: RequestValidationError):
    """Обработчик ошибок валидации"""
    return JSONResponse(
        status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
        content={
            "detail": exc.errors(),
            "body": exc.body
        }
    )


async def http_exception_handler(request: Request, exc: StarletteHTTPException):
    """Обработчик HTTP исключений"""
    return JSONResponse(
        status_code=exc.status_code,
        content={"detail": exc.detail}
    )


async def general_exception_handler(request: Request, exc: Exception):
    """Обработчик общих исключений"""
    logger.error(f"Unhandled exception: {str(exc)}", exc_info=True)
    return JSONResponse(
        status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
        content={"detail": "Internal server error"}
    )