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from fastapi import HTTPException, status


class PrepMindException(HTTPException):
    """Base exception for PrepMind"""
    pass


class AuthenticationException(PrepMindException):
    def __init__(self, detail: str = "Could not validate credentials"):
        super().__init__(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail=detail,
            headers={"WWW-Authenticate": "Bearer"},
        )


class NotFoundException(PrepMindException):
    def __init__(self, detail: str = "Resource not found"):
        super().__init__(
            status_code=status.HTTP_404_NOT_FOUND,
            detail=detail,
        )


class BadRequestException(PrepMindException):
    def __init__(self, detail: str = "Bad request"):
        super().__init__(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail=detail,
        )


class ForbiddenException(PrepMindException):
    def __init__(self, detail: str = "Access forbidden"):
        super().__init__(
            status_code=status.HTTP_403_FORBIDDEN,
            detail=detail,
        )


class ConflictException(PrepMindException):
    def __init__(self, detail: str = "Resource already exists"):
        super().__init__(
            status_code=status.HTTP_409_CONFLICT,
            detail=detail,
        )