# Copyright 2025 BMO Soluciones, S.A.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Base validator interface and exceptions."""

from __future__ import annotations

from abc import ABC, abstractmethod

from ..domain.payroll_context import PayrollContext
from ..results.validation_result import ValidationResult


class NominaEngineError(Exception):
    """Base exception for payroll engine errors."""

    pass


class ValidationError(NominaEngineError):
    """Exception for validation errors."""

    pass


class CalculationError(NominaEngineError):
    """Exception for calculation errors."""

    pass


class BaseValidator(ABC):
    """Base validator interface."""

    @abstractmethod
    def validate(self, context: PayrollContext) -> ValidationResult:
        """Validate the given context."""
        pass
