/*-
 * ============LICENSE_START=======================================================
 * VID
 * ================================================================================
 * 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.vid.model;

import org.apache.commons.collections.MapUtils;
import org.onap.vid.asdc.beans.tosca.Group;
import org.onap.vid.asdc.beans.tosca.ToscaModel;
import org.onap.vid.properties.VidProperties;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
/**
 * The Class ServiceModel.
 */
@SuppressWarnings("ALL")
public class ServiceModel {

	/** The Constant LOG. */
	private static final EELFLoggerDelegate LOG = EELFLoggerDelegate.getLogger(ServiceModel.class);
	
	/** The Constant dateFormat. */
	static final DateFormat dateFormat = new SimpleDateFormat("HH:mm:ss:SSSS");
	/** The service. */
	private Service service;
	
	/** The vnfs. */
	private Map<String, VNF> vnfs;
	
	/** The networks. */
	private Map<String, Network> networks;

	private Map<String, CR> collectionResource;


	/** Port Mirroring Configuration node templates */
	private Map<String, PortMirroringConfig> configurations;

	/** Service Proxy Nodes */
	private Map<String, ServiceProxy> serviceProxies;

	/**
	 * The vf modules. The VNF also has vfmodules but the vfmodules at the service level may have additional info
	 * that is not present in the VNF, like the vf module customization String 
	 */
	private Map<String, VfModule> vfModules;
	/** 
	 * The volume groups. The VNF also has volume groups but the volume groups will be populated at the service level 
	 * for newer models 
	 */
	private Map<String, VolumeGroup> volumeGroups;

	/** The pnfs. */
	private Map<String, Node> pnfs;
	/**
	 * Instantiates a new service model.
	 */
	public ServiceModel() {}
	
	/**
	 * Gets the service.
	 *
	 * @return the service
	 */
	public Service getService() {
		return service;
	}

	/**
	 * Gets the vnfs.
	 *
	 * @return the vnfs
	 */
	public Map<String, VNF> getVnfs() {
		return vnfs;
	}

	/**
	 * Gets the networks.
	 *
	 * @return the networks
	 */
	public Map<String, Network> getNetworks() {
		return networks;
	}


	/**
	 * Gets the pnfs.
	 *
	 * @return the pnfs
	 */
	public Map<String, Node> getPnfs() {
		return pnfs;
	}


	/**
	 * Gets the Configuration Node Templates
	 *
	 * @return the configuration type node templates
	 */
	public Map<String, PortMirroringConfig> getConfigurations() {
		return configurations;
	}

	/**
	 * Gets the Service Proxy Node Templates
	 *
	 * @return the Service Proxy type node templates
	 */
	public Map<String, ServiceProxy> getServiceProxies() {
		return serviceProxies;
	}

	/**
	 * Sets the service.
	 *
	 * @param service the new service
	 */
	public void setService(Service service) {
		this.service = service;
	}

	/**
	 * Sets the vnfs.
	 *
	 * @param vnfs the vnfs
	 */
	public void setVnfs(Map<String, VNF> vnfs) {
		this.vnfs = vnfs;
	}

	/**
	 * Sets the networks.
	 *
	 * @param networks the networks
	 */
	public void setNetworks(Map<String, Network> networks) {
		this.networks = networks;
	}

	/**
	 * Sets the configuraion node templates.
	 *
	 * @param configurations
	 */
	public void setConfigurations(Map<String, PortMirroringConfig> configurations) {
		this.configurations = configurations;
	}

	/**
	 * Sets the service proxy node templates.
	 *
	 * @param serviceProxies
	 */
	public void setServiceProxies(Map<String, ServiceProxy> serviceProxies) {
		this.serviceProxies = serviceProxies;
	}

	/**
	 * Gets the vf modules.
	 *
	 * @return the vf modules
	 */
	public Map<String, VfModule> getVfModules() {
		return vfModules;
	}


	/**
	 * Gets the volume groups.
	 *
	 * @return the volume groups
	 */
	public Map<String, VolumeGroup> getVolumeGroups() {
		return volumeGroups;
	}
	/**
	 * Sets the vf modules.
	 *
	 * @param vfModules the vf modules
	 */
	public void setVfModules(Map<String, VfModule> vfModules) {
		this.vfModules = vfModules;
	}
	/**
	 * Sets the volume groups.
	 *
	 * @param volumeGroups the volume groups
	 */
	public void setVolumeGroups(Map<String, VolumeGroup> volumeGroups) {
		this.volumeGroups = volumeGroups;
	}
	/**
	 * Sets the pnfs.
	 *
	 * @param pnfs the pnfs
	 */
	public void setPnfs(Map<String,Node> pnfs) {this.pnfs = pnfs;}

	public Map<String, CR> getCollectionResource() {
		return collectionResource;
	}

	public void setCollectionResource(Map<String, CR> collectionResource) {
		this.collectionResource = collectionResource;
	}

	/**
	 * Extract service.
	 *
	 * @param serviceToscaModel the service tosca model
	 * @param asdcServiceMetadata the asdc service metadata
	 * @return the service
	 */
	public static Service extractService(ToscaModel serviceToscaModel, org.onap.vid.asdc.beans.Service asdcServiceMetadata) {
		
		final Service service = new Service();
		
		service.setCategory(serviceToscaModel.getMetadata().getCategory());
		service.setInvariantUuid(serviceToscaModel.getMetadata().getInvariantUUID());
		service.setName(serviceToscaModel.getMetadata().getName());
		service.setUuid(serviceToscaModel.getMetadata().getUUID());
		service.setDescription(serviceToscaModel.getMetadata().getDescription());
		service.setServiceEcompNaming(serviceToscaModel.getMetadata().getServiceEcompNaming());
		service.setInputs(serviceToscaModel.gettopology_template().getInputs());
		//FIXME: SDC is not sending the Version with the Tosca Model for 1610 - they should send it in 1702
		//THIS IS A TEMPORARY FIX, AT SOME POINT UNCOMMENT ME
		//service.setVersion(serviceToscaModel.getMetadata().getVersion());
		service.setVersion(asdcServiceMetadata.getVersion());

		return service;
	}
	public static void extractGroups (ToscaModel serviceToscaModel,ServiceModel serviceModel) {
		// Get the groups. The groups may duplicate the groups that are in the VNF model and have
		// additional data like the VF module customization String>
		
		final Map<String, VfModule> vfModules = new HashMap<> ();
		final Map<String, VolumeGroup> volumeGroups = new HashMap<> ();
		
		String asdcModelNamespace = VidProperties.getAsdcModelNamespace();
    	String vfModuleTag = asdcModelNamespace + ModelConstants.VF_MODULE;
    	
		for (Entry<String, Group> component : serviceToscaModel.gettopology_template().getGroups().entrySet()) {
			final Group group = component.getValue();
			final String type = group.getType();
			final String customizationName = component.getKey();
			
			if (type.startsWith(vfModuleTag)) {
				VfModule vfMod = VfModule.extractVfModule(customizationName, group);
				vfModules.put(customizationName, vfMod);
				if ( vfMod.isVolumeGroupAllowed() ) {
					//volume groups have the same customization name as the vf module
					volumeGroups.put(customizationName, VolumeGroup.extractVolumeGroup(customizationName,group));
				}
			}
		}
		// add this point vfModules and volume groups are disconnected from VNF
		serviceModel.setVfModules (vfModules);
		serviceModel.setVolumeGroups (volumeGroups);
		
	}
	/**
	 * Populate the vf modules and volume groups that we may have under the service level under each VNF.
	 */
	public void associateGroups() {
		String methodName = "associateGroups()";
        LOG.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + methodName + " start");
		// go through the vnfs, get the vnf normalized name and look for a vf module with a customization name that starts
		// with vnf + ".."
		String vnfCustomizationName = null;
		String normalizedVnfCustomizationName = null;
		String vfModuleCustomizationName = null;

		if (!MapUtils.isEmpty(getVnfs())) {
			for (Entry<String, VNF> vnfComponent : getVnfs().entrySet()) {
				vnfCustomizationName = vnfComponent.getValue().getModelCustomizationName();
				normalizedVnfCustomizationName = VNF.normalizeName(vnfCustomizationName);

				LOG.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + methodName + 
						" VNF customizationName=" + vnfCustomizationName + "normalized customization name=" + normalizedVnfCustomizationName);
				
				// now check to see if there is a vf module with customization name that starts with normalizedVnfCustomizationName

				if (!MapUtils.isEmpty(getVolumeGroups())) {
					for (Entry<String, VfModule> vfModuleComponent : getVfModules().entrySet()) {
						vfModuleCustomizationName = vfModuleComponent.getValue().getModelCustomizationName();
						
						LOG.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + methodName + 
								" VF Module customizationName=" + vfModuleCustomizationName );
						if ( vfModuleCustomizationName.startsWith(normalizedVnfCustomizationName + ".." )) {
							handleCustomizationName(methodName, vnfCustomizationName, vfModuleCustomizationName, vnfComponent, vfModuleComponent);
						}
					}
				}
			}
		}
		
	}



	private void handleCustomizationName(String methodName, String vnfCustomizationName, String vfModuleCustomizationName, Entry<String, VNF> vnfComponent, Entry<String, VfModule> vfModuleComponent) {
		VNF tmpVnf;// this vf module belongs to the VNF
		tmpVnf = vnfComponent.getValue();
		(tmpVnf.getVfModules()).put(vfModuleComponent.getKey(), vfModuleComponent.getValue());

		LOG.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + methodName +
                " Associated VF Module customizationName=" + vfModuleComponent.getKey() + " with VNF customization name=" + vnfCustomizationName);

		// now find if this vf module has volume groups, if so, find the volume group with the same customization name and put it under the VNF
		if ( vfModuleComponent.getValue().isVolumeGroupAllowed() ) {
            if (isVolumeGroupsContainsVfModuleCustomName(vfModuleCustomizationName)) {
                    (vnfComponent.getValue().getVolumeGroups()).put(vfModuleCustomizationName, (getVolumeGroups()).get(vfModuleCustomizationName));
            }
        }
	}

	private boolean isVolumeGroupsContainsVfModuleCustomName(String vfModuleCustomizationName) {
		return (!MapUtils.isEmpty(getVolumeGroups())) && (getVolumeGroups().containsKey((vfModuleCustomizationName)));
	}


}