/*-
 * ============LICENSE_START=======================================================
 * policy-yaml
 * ================================================================================
 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Modifications Copyright (C) 2019 Nordix Foundation.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.controlloop.policy.guard;

import java.util.LinkedList;
import java.util.List;


public class MatchParameters {
    private String controlLoopName;
    private String actor;
    private String recipe;
    private List<String> targets;

    public MatchParameters() {
        // Do Nothing Empty Constructor.
    }   
    
    public MatchParameters(String actor, String recipe) {
        this.actor = actor;
        this.recipe = recipe;
    }

    /**
     * Constructor.
     * 
     * @param actor actor
     * @param recipe recipe
     * @param targets targets
     */
    public MatchParameters(String actor, String recipe, List<String> targets) {
        this(actor, recipe);
        if (targets != null) {
            this.targets = new LinkedList<>(targets);
        }
    }

    public MatchParameters(String controlLoopName, String actor, String recipe, List<String> targets) {
        this(actor, recipe, targets);
        this.controlLoopName = controlLoopName;
    }

    /**
     * Constructor.
     * 
     * @param matchParameters match parameters
     */
    public MatchParameters(MatchParameters matchParameters) {

        this.controlLoopName = matchParameters.controlLoopName;
        this.actor = matchParameters.actor;
        this.recipe = matchParameters.recipe;
        if (matchParameters.targets != null) {
            this.targets = new LinkedList<>(matchParameters.targets);
        }
    }

    public String getControlLoopName() {
        return controlLoopName;
    }

    public void setControlLoopName(String controlLoopName) {
        this.controlLoopName = controlLoopName;
    }

    public String getActor() {
        return actor;
    }

    public void setActor(String actor) {
        this.actor = actor;
    }

    public String getRecipe() {
        return recipe;
    }

    public void setRecipe(String recipe) {
        this.recipe = recipe;
    }

    public List<String> getTargets() {
        return targets;
    }

    public void setTargets(List<String> targets) {
        this.targets = targets;
    }

    @Override
    public String toString() {
        return "MatchParameters [controlLoopName=" + controlLoopName + ", actor=" + actor + ", recipe=" + recipe
                + ", targets=" + targets + "]";
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((actor == null) ? 0 : actor.hashCode());
        result = prime * result + ((controlLoopName == null) ? 0 : controlLoopName.hashCode());
        result = prime * result + ((recipe == null) ? 0 : recipe.hashCode());
        result = prime * result + ((targets == null) ? 0 : targets.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        MatchParameters other = (MatchParameters) obj;
        
        return equalsMayBeNull(actor, other.actor)
                && equalsMayBeNull(controlLoopName, other.controlLoopName)
                && equalsMayBeNull(recipe, other.recipe)
                && equalsMayBeNull(targets, other.targets);
    }
    
    private boolean equalsMayBeNull(final Object obj1, final Object obj2) {
        if (obj1 == null) {
            return obj2 == null;
        }
        return obj1.equals(obj2);
    }
}