"""User-facing application errors with safe, actionable messages."""

from __future__ import annotations


class UserFacingError(Exception):
    def __init__(
        self,
        message: str,
        *,
        title: str = "Nie można wykonać diagnozy",
        hint: str | None = None,
        code: str = "application_error",
    ) -> None:
        super().__init__(message)
        self.title = title
        self.message = message
        self.hint = hint
        self.code = code


class InputDataError(UserFacingError):
    def __init__(self, message: str, *, hint: str | None = None, code: str = "invalid_input") -> None:
        super().__init__(
            message,
            title="Nieprawidłowe dane wejściowe",
            hint=hint,
            code=code,
        )


class InferenceError(UserFacingError):
    def __init__(self, message: str, *, hint: str | None = None) -> None:
        super().__init__(
            message,
            title="Model nie zakończył diagnozy",
            hint=hint,
            code="inference_failed",
        )