/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * 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=========================================================
 */

package org.onap.so.client.policy;

import java.util.List;

import org.onap.so.client.RestClient;
import org.onap.so.client.RestPropertiesLoader;
import org.onap.so.client.defaultproperties.PolicyRestPropertiesImpl;
import org.onap.so.client.policy.entities.AllowedTreatments;
import org.onap.so.client.policy.entities.Bbid;
import org.onap.so.client.policy.entities.DecisionAttributes;
import org.onap.so.client.policy.entities.DictionaryData;
import org.onap.so.client.policy.entities.DictionaryItemsRequest;
import org.onap.so.client.policy.entities.DictionaryJson;
import org.onap.so.client.policy.entities.PolicyDecision;
import org.onap.so.client.policy.entities.PolicyDecisionRequest;
import org.onap.so.client.policy.entities.PolicyServiceType;
import org.onap.so.client.policy.entities.Workstep;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class PolicyClientImpl implements PolicyClient {

	private static Logger logger = LoggerFactory.getLogger(PolicyClientImpl.class);
	private PolicyRestProperties props;
	public PolicyClientImpl() {
		props = RestPropertiesLoader.getInstance().getNewImpl(PolicyRestProperties.class);
		if (props == null) {
			logger.error("No RestProperty.PolicyRestProperties implementation found on classpath");
			props = new PolicyRestPropertiesImpl();
		}
	}
	public PolicyDecision getDecision(String serviceType, String vnfType, String bbID, String workStep,
			String errorCode) {
		DecisionAttributes decisionAttributes = new DecisionAttributes();
		decisionAttributes.setServiceType(serviceType);
		decisionAttributes.setvNFType(vnfType);
		decisionAttributes.setBbID(bbID);
		decisionAttributes.setWorkStep(workStep);
		decisionAttributes.setErrorCode(errorCode);

		return this.getDecision(decisionAttributes);
	}

	protected PolicyDecision getDecision(DecisionAttributes decisionAttributes) {
		PolicyRestClient client = new PolicyRestClient(this.props, PolicyServiceType.GET_DECISION);
		PolicyDecisionRequest decisionRequest = new PolicyDecisionRequest();
		decisionRequest.setDecisionAttributes(decisionAttributes);
		decisionRequest.setEcompcomponentName(RestClient.ECOMP_COMPONENT_NAME);
		
		return client.post(decisionRequest, PolicyDecision.class);
	}
	
	public DictionaryData getAllowedTreatments(String bbID, String workStep)
	{
		PolicyRestClient client = new PolicyRestClient(this.props, PolicyServiceType.GET_DICTIONARY_ITEMS);
		DictionaryItemsRequest dictionaryItemsRequest = new DictionaryItemsRequest();
		dictionaryItemsRequest.setDictionaryType("Decision");
		dictionaryItemsRequest.setDictionary("RainyDayTreatments");
		final AllowedTreatments response = client.post(dictionaryItemsRequest, AllowedTreatments.class);
		final DictionaryJson dictionaryJson = response.getDictionaryJson();
		final List<DictionaryData> dictionaryDataList = dictionaryJson.getDictionaryDatas();
		for(DictionaryData dictData : dictionaryDataList){
			Bbid bBid = dictData.getBbid();
			Workstep workstep = dictData.getWorkstep();
			String bBidString = bBid.getString();
			String workstepString = workstep.getString();
			if(bbID.equals(bBidString) && workStep.equals(workstepString)){
				return dictData;
			}
		}
		logger.error("There is no AllowedTreatments with that specified parameter set");
		return null;
	}

}