/*
 * Copyright 2020 Red Hat, Inc. and/or its affiliates.
 *
 * 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.
 */

package org.optaplanner.core.config.heuristic.selector.value.chained;

import java.util.function.Consumer;

import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlType;

import org.optaplanner.core.config.heuristic.selector.SelectorConfig;
import org.optaplanner.core.config.heuristic.selector.value.ValueSelectorConfig;
import org.optaplanner.core.config.util.ConfigUtils;

@XmlType(propOrder = {
        "valueSelectorConfig",
        "minimumSubChainSize",
        "maximumSubChainSize"
})
public class SubChainSelectorConfig extends SelectorConfig<SubChainSelectorConfig> {

    @XmlElement(name = "valueSelector")
    protected ValueSelectorConfig valueSelectorConfig = null;

    protected Integer minimumSubChainSize = null;
    protected Integer maximumSubChainSize = null;

    public ValueSelectorConfig getValueSelectorConfig() {
        return valueSelectorConfig;
    }

    public void setValueSelectorConfig(ValueSelectorConfig valueSelectorConfig) {
        this.valueSelectorConfig = valueSelectorConfig;
    }

    /**
     * @return sometimes null
     */
    public Integer getMinimumSubChainSize() {
        return minimumSubChainSize;
    }

    public void setMinimumSubChainSize(Integer minimumSubChainSize) {
        this.minimumSubChainSize = minimumSubChainSize;
    }

    public Integer getMaximumSubChainSize() {
        return maximumSubChainSize;
    }

    public void setMaximumSubChainSize(Integer maximumSubChainSize) {
        this.maximumSubChainSize = maximumSubChainSize;
    }

    @Override
    public SubChainSelectorConfig inherit(SubChainSelectorConfig inheritedConfig) {
        valueSelectorConfig = ConfigUtils.inheritConfig(valueSelectorConfig, inheritedConfig.getValueSelectorConfig());
        minimumSubChainSize = ConfigUtils.inheritOverwritableProperty(minimumSubChainSize,
                inheritedConfig.getMinimumSubChainSize());
        maximumSubChainSize = ConfigUtils.inheritOverwritableProperty(maximumSubChainSize,
                inheritedConfig.getMaximumSubChainSize());
        return this;
    }

    @Override
    public SubChainSelectorConfig copyConfig() {
        return new SubChainSelectorConfig().inherit(this);
    }

    @Override
    public void visitReferencedClasses(Consumer<Class<?>> classVisitor) {
        if (valueSelectorConfig != null) {
            valueSelectorConfig.visitReferencedClasses(classVisitor);
        }
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() + "(" + valueSelectorConfig + ")";
    }

}
