/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights
 *                             reserved.
 * ================================================================================
 * 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.clamp.clds.model.properties;

import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.onap.clamp.clds.util.JsonUtils;

/**
 * Parse Policy json properties.
 * Example json:
 * {"Policy_1e33tn8":{"PolicyTest1":[{"name":"pname","value":"PolicyTest1"},{
 * "name":"pid","value":"1"},{"name":"timeout","value":"345"},{
 * "policyConfigurations":[[{"name":"recipe","value":["restart"]},{"name":
 * "maxRetries","value":["3"]},{"name":"retryTimeLimit","value":["180"]},{"name"
 * :"_id","value":["q2JmHD5"]},{"name":"parentPolicy","value":[""]}],[{"name":
 * "recipe","value":["rebuild"]},{"name":"maxRetries","value":["3"]},{"name":
 * "retryTimeLimit","value":["180"]},{"name":"_id","value":["0ZqHdrR"]},{"name":
 * "parentPolicy","value":[""]},{"name":
 * "targetResourceId","value":["Eace933104d443b496b8.nodes.heat.vpg"]}]]}],
 * "PolicyTest2":[{"name":"pname","value":
 * "PolicyTest2"},{"name":"pid","value":"2"},{"name":"timeout","value":"345"},{
 * "policyConfigurations":[[{"name":"recipe","value":["restart"]},{"name":
 * "maxRetries","value":["3"]},{"name":"retryTimeLimit","value":["180"]},{"name"
 * :"_id","value":["q2JmHD5"]},{"name":"parentPolicy","value":[""]}],[{"name":
 * "recipe","value":["rebuild"]},{"name":"maxRetries","value":["3"]},{"name":
 * "retryTimeLimit","value":["180"]},{"name":"_id","value":["0ZqHdrR"]},{"name":
 * "parentPolicy","value":[""]},{"name":
 * "targetResourceId","value":["Eace933104d443b496b8.nodes.heat.vpg"]}]]}]}} f
 *
 */
public class PolicyChain {

    protected static final EELFLogger logger      = EELFManager.getInstance().getLogger(PolicyChain.class);
    protected static final EELFLogger auditLogger = EELFManager.getInstance().getAuditLogger();

    private String                    policyId;
    private Integer                   timeout;
    private List<PolicyItem>          policyItems;
    private String                    policyType;

    /**
     * Constructor.
     * @param node The policy element in JsonElement format
     * @throws IOException The IO Exception
     */
    public PolicyChain(JsonElement node) throws IOException {
        if (node != null && node.isJsonArray() && node.getAsJsonArray().size() > 0) {
            policyId = JsonUtils.getStringValueByName(node, "pid");
            timeout = JsonUtils.getIntValueByName(node, "timeout");
            policyType = JsonUtils.getStringValueByName(node, "policyType");
            JsonArray operationalPolicyParameters = node.getAsJsonArray();

            JsonArray policyConfigurations = operationalPolicyParameters.get(operationalPolicyParameters.size() - 1)
                .getAsJsonObject()
                .get("policyConfigurations")
                .getAsJsonArray();
            Iterator<JsonElement> itr = policyConfigurations.iterator();
            policyItems = new ArrayList<>();
            while (itr.hasNext()) {
                policyItems.add(new PolicyItem(itr.next()));

            }
        }
    }
    /**
     * Get the policy Id.
     * @return the policyId
     */
    public String getPolicyId() {
        return policyId;
    }

    /**
     * Get the time out.
     * @return the timeout
     */
    public Integer getTimeout() {
        return timeout;
    }

    /**
     * Get the policy items.
     * @return the policyItems
     */
    public List<PolicyItem> getPolicyItems() {
        return policyItems;
    }

    /**
     * Get the policy type.
     * @return the policyType
     */
    public String getPolicyType() {
        return policyType;
    }

}