/*

 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.

 * Copyright (C) 2011, 2013-2021 The JavaParser Team.

 *

 * This file is part of JavaParser.

 *

 * JavaParser can be used either under the terms of

 * a) the GNU Lesser General Public License as published by

 *     the Free Software Foundation, either version 3 of the License, or

 *     (at your option) any later version.

 * b) the terms of the Apache License

 *

 * You should have received a copy of both licenses in LICENCE.LGPL and

 * LICENCE.APACHE. Please refer to those files for details.

 *

 * JavaParser is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 */

package com.github.javaparser.printer.lexicalpreservation.changes;

import com.github.javaparser.ast.Node;

import com.github.javaparser.ast.observer.ObservableProperty;

import com.github.javaparser.printer.concretesyntaxmodel.CsmConditional;

import com.github.javaparser.utils.Utils;

/**

 * This represents a change that has happened to a specific Node.

 */

public interface Change {

    default boolean evaluate(CsmConditional csmConditional, Node node) {

        switch (csmConditional.getCondition()) {

            case FLAG:

                return csmConditional.getProperties().stream().anyMatch(p -> (Boolean) getValue(p, node));

            case IS_NOT_EMPTY:

                return !Utils.valueIsNullOrEmpty(getValue(csmConditional.getProperty(), node));

            case IS_EMPTY:

                return Utils.valueIsNullOrEmpty(getValue(csmConditional.getProperty(), node));

            case IS_PRESENT:

                return !Utils.valueIsNullOrEmptyStringOrOptional(getValue(csmConditional.getProperty(), node));

            default:

                throw new UnsupportedOperationException("" + csmConditional.getProperty() + " " + csmConditional.getCondition());

        }

    }

    Object getValue(ObservableProperty property, Node node);

}