"""Custom application exceptions, mapped to HTTP responses in main.py."""


class AppError(Exception):
    """Base class for application errors."""

    status_code: int = 500
    detail: str = "Internal server error"

    def __init__(self, detail: str | None = None) -> None:
        super().__init__(detail or self.detail)
        if detail:
            self.detail = detail


class NotFoundError(AppError):
    status_code = 404
    detail = "Resource not found"


class ConflictError(AppError):
    status_code = 409
    detail = "Resource conflict"


class UnauthorizedError(AppError):
    status_code = 401
    detail = "Authentication required"


class ForbiddenError(AppError):
    status_code = 403
    detail = "Permission denied"


class InvalidTokenError(UnauthorizedError):
    detail = "Token is invalid or expired"


class CredentialDecryptionError(AppError):
    status_code = 500
    detail = "Stored credential cannot be decrypted"


class ConnectionTestError(AppError):
    status_code = 502
    detail = "Connection test failed"


class WinRMError(AppError):
    status_code = 502
    detail = "WinRM operation failed"


class SSHError(AppError):
    status_code = 502
    detail = "SSH operation failed"


class CAUError(AppError):
    status_code = 502
    detail = "Cluster-Aware Updating operation failed"


class ValidationError(AppError):
    status_code = 422
    detail = "Validation failed"


class JobNotCancellableError(ConflictError):
    detail = "Job cannot be cancelled in its current state"