"""
***************************************************************************
    r_neighbors.py
    --------
    Date                 : June 2021
    Copyright            : (C) 2021 by Nicolas Godet
    Email                : nicolas dot godet at outlook dot fr
***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************
"""

__author__ = "Nicolas Godet"
__date__ = "June 2021"
__copyright__ = "(C) 2021, Nicolas Godet"

from qgis.PyQt.QtCore import QCoreApplication


def checkParameterValuesBeforeExecuting(alg, parameters, context):
    """Verify if we have the right parameters"""
    # Verifiy that neighborhood size is odd
    if (alg.parameterAsInt(parameters, "size", context) % 2) == 0:
        return False, QCoreApplication.translate(
            "GrassAlgorithmExt", "The neighborhood size must be odd!"
        )

    return True, None
