from fastapi import HTTPException, status


class AppException(Exception):
    def __init__(self, message: str, status_code: int = status.HTTP_400_BAD_REQUEST):
        self.message = message
        self.status_code = status_code


class NotFoundError(AppException):
    def __init__(self, message: str):
        super().__init__(message, status.HTTP_404_NOT_FOUND)


class ValidationError(AppException):
    def __init__(self, message: str):
        super().__init__(message, status.HTTP_422_UNPROCESSABLE_ENTITY)


class InsufficientStockError(AppException):
    def __init__(self, message: str):
        super().__init__(message, status.HTTP_409_CONFLICT)


class InsufficientBankBalanceError(AppException):
    def __init__(self, message: str):
        super().__init__(message, status.HTTP_409_CONFLICT)


class PaymentExceedsBalanceError(AppException):
    def __init__(self, message: str):
        super().__init__(message, status.HTTP_409_CONFLICT)


class DuplicateEntryError(AppException):
    def __init__(self, message: str):
        super().__init__(message, status.HTTP_409_CONFLICT)


class ConflictError(AppException):
    def __init__(self, message: str):
        super().__init__(message, status.HTTP_409_CONFLICT)


class UnauthorizedError(AppException):
    def __init__(self, message: str = "Unauthorized"):
        super().__init__(message, status.HTTP_401_UNAUTHORIZED)


class ForbiddenError(AppException):
    def __init__(self, message: str = "Forbidden"):
        super().__init__(message, status.HTTP_403_FORBIDDEN)


def http_exception_from_app_error(exc: AppException) -> HTTPException:
    return HTTPException(status_code=exc.status_code, detail=exc.message)