/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2017 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============================================
 * ===================================================================
 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 */

package org.onap.clamp.clds.client.req;

import java.io.IOException;
import java.util.List;

import org.onap.clamp.clds.model.prop.Global;
import org.onap.clamp.clds.model.prop.ModelProperties;
import org.onap.clamp.clds.model.prop.StringMatch;
import org.onap.clamp.clds.model.refprop.RefProp;

import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.node.ObjectNode;

/**
 * Construct a DCAE request given CLDS objects.
 */
public class DcaeReq {
    protected static final EELFLogger logger        = EELFManager.getInstance().getLogger(DcaeReq.class);
    protected static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();

    /**
     * Format DCAE request.
     *
     * @param refProp
     * @param prop
     * @return
     * @throws IOException
     * @throws JsonMappingException
     * @throws JsonParseException
     */
    public static String format(RefProp refProp, ModelProperties prop) throws IOException {
        Global globalProp = prop.getGlobal();

        StringMatch smProp = prop.getType(StringMatch.class);
        prop.setCurrentModelElementId(smProp.getId());

        ObjectNode rootNode = (ObjectNode) refProp.getJsonTemplate("dcae.template");

        // "properties":{
        ObjectNode properties = rootNode.with("properties");
        // "service_name":
        properties.put("service_name", globalProp.getService());
        // "service_ids":[
        List<String> serviceIds = refProp.decodeToList("dcae.decode.service_ids", globalProp.getService());
        JsonUtil.addArrayField(properties, "service_ids", serviceIds);
        // "vnf_ids":[
        JsonUtil.addArrayField(properties, "vnf_ids", globalProp.getResourceVf());
        // "location_ids":[
        JsonUtil.addArrayField(properties, "location_ids", globalProp.getLocation());

        // "template":{
        ObjectNode template = rootNode.with("template");
        // "string_matching":{
        ObjectNode stringMatching = template.with("string_matching");
        // "dcae":{
        ObjectNode dcae = stringMatching.with("dcae");

        dcae.put("inputTopic", smProp.getTopicSubscribes());
        dcae.put("outputTopic", smProp.getTopicPublishes());
        dcae.put("closedLoopControlName", prop.getControlName());
        dcae.put("policyName", prop.getCurrentPolicyScopeAndPolicyName());

        // "serviceConfigurations":[
        StringMatchPolicyReq.appendServiceConfigurations(refProp, globalProp.getService(), dcae, smProp, prop);

        String dcaeReq = rootNode.toString();
        logger.info("dcaeReq=" + dcaeReq);
        return dcaeReq;
    }

}