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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * 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.openecomp.sdc.be.info;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.config.Configuration.ArtifactTypeConfig;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.impl.ComponentsUtils;
import org.openecomp.sdc.be.model.ArtifactType;
import org.openecomp.sdc.common.api.ArtifactTypeEnum;
import org.openecomp.sdc.exception.ResponseFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.gson.Gson;
import com.google.gson.JsonObject;

import fj.data.Either;

public class ArtifactTemplateInfo {
	public static final String TYPE = "type";
	public static final String FILE_NAME = "fileName";
	public static final String ENV = "env";
	public static final String IS_BASE = "isBase";

	public static final String CSAR_HEAT = "HEAT";
	public static final String CSAR_ARTIFACT = "artifacts";
	public static final String CSAR_NETWORK = "network";
	public static final String CSAR_VOLUME = "volume";
	public static final String CSAR_NESTED = "nested";
	private static final Object DESC = "description";
	private static Logger log = LoggerFactory.getLogger(ArtifactTemplateInfo.class.getName());
	String type;
	String fileName;
	String env;
	boolean isBase;
	String groupName;
	String description;

	List<ArtifactTemplateInfo> relatedArtifactsInfo;
	private static Gson gson = new Gson();

	public ArtifactTemplateInfo() {
		super();
	}

	public ArtifactTemplateInfo(String type, String fileName, String env, List<ArtifactTemplateInfo> relatedArtifactsInfo) {
		super();
		this.type = type;
		this.fileName = fileName;
		this.env = env;
		this.relatedArtifactsInfo = relatedArtifactsInfo;
	}

	public String getType() {
		return type;
	}

	public void setType(String type) {
		this.type = type;
	}

	public String getFileName() {
		return fileName;
	}

	public void setFileName(String fileName) {
		this.fileName = fileName;
	}

	public String getEnv() {
		return env;
	}

	public void setEnv(String env) {
		this.env = env;
	}

	public List<ArtifactTemplateInfo> getRelatedArtifactsInfo() {
		return relatedArtifactsInfo;
	}

	public void setRelatedArtifactsInfo(List<ArtifactTemplateInfo> relatedArtifactsInfo) {
		this.relatedArtifactsInfo = relatedArtifactsInfo;
	}

	public String getGroupName() {
		return groupName;
	}

	public void setGroupName(String groupName) {
		this.groupName = groupName;
	}

	public boolean isBase() {
		return isBase;
	}

	public void setBase(boolean isBase) {
		this.isBase = isBase;
	}

	public String getDescription() {
		return description;
	}

	public void setDescription(String description) {
		this.description = description;
	}

	@Override
	public String toString() {
		return "ArtifactTemplateInfo [type=" + type + ", fileName=" + fileName + ", env=" + env + ", isBase=" + isBase + ", groupName=" + groupName + ", description=" + description + ", relatedArtifactsInfo=" + relatedArtifactsInfo + "]";
	}

	public static Either<ArtifactTemplateInfo, ResponseFormat> createArtifactTemplateInfoFromJson(ComponentsUtils componentsUtils, String type, Map<String, Object> o, List<ArtifactTemplateInfo> createdArtifactTemplateInfoList,
			ArtifactTemplateInfo parentArtifact) {
		String content = gson.toJson(o);
		JsonObject jsonElement = new JsonObject();
		ArtifactTemplateInfo resourceInfo = new ArtifactTemplateInfo();

		jsonElement = gson.fromJson(content, jsonElement.getClass());

		Map<String, Object> artifactTemplateMap = componentsUtils.parseJsonToObject(jsonElement.toString(), HashMap.class);
		if (artifactTemplateMap.containsKey(TYPE))
			resourceInfo.setType((String) artifactTemplateMap.get(TYPE));
		if (artifactTemplateMap.containsKey(FILE_NAME))
			resourceInfo.setFileName((String) artifactTemplateMap.get(FILE_NAME));
		if (artifactTemplateMap.containsKey(IS_BASE))
			resourceInfo.setBase((Boolean) artifactTemplateMap.get(IS_BASE));
		if (artifactTemplateMap.containsKey(ENV)) {
			Object envObj = artifactTemplateMap.get(ENV);
			String envStr = "";
			if (envObj instanceof String) {
				envStr = (String) envObj;
			} else if (envObj instanceof Map) {
				Map envMap = (Map) envObj;
				if (envMap.containsKey(FILE_NAME)) {
					envStr = (String) envMap.get(FILE_NAME);
				}
			}
			resourceInfo.setEnv(envStr);
		}
		if (artifactTemplateMap.containsKey(DESC)) {
			resourceInfo.setDescription((String) artifactTemplateMap.get(DESC));
		} else {
			resourceInfo.setDescription((String) artifactTemplateMap.get(FILE_NAME));
		}

		boolean artifactTypeExist = false;
		String correctType = type;
		if (type.equalsIgnoreCase(CSAR_NESTED))
			correctType = ArtifactTypeEnum.HEAT_NESTED.getType();
		else if ((type.equalsIgnoreCase(CSAR_VOLUME)))
			correctType = ArtifactTypeEnum.HEAT_VOL.getType();
		else if ((type.equalsIgnoreCase(CSAR_NETWORK)))
			correctType = ArtifactTypeEnum.HEAT_NET.getType();
		else if ((type.equalsIgnoreCase(CSAR_ARTIFACT)))
			correctType = ArtifactTypeEnum.HEAT_ARTIFACT.getType();
		else if ((type.equalsIgnoreCase(CSAR_HEAT)))
			correctType = ArtifactTypeEnum.HEAT.getType();
		else
			correctType = ArtifactTypeEnum.OTHER.getType();
		Either<List<ArtifactType>, ActionStatus> allArtifactTypes = getDeploymentArtifactTypes(NodeTypeEnum.Resource);

		if (allArtifactTypes.isRight()) {
			BeEcompErrorManager.getInstance().logBeInvalidConfigurationError("Artifact Upload / Update", "artifactTypes", allArtifactTypes.right().value().name());
			return Either.right(componentsUtils.getResponseFormat(ActionStatus.FAILED_RETRIVE_ARTIFACTS_TYPES));
		}

		for (ArtifactType artType : allArtifactTypes.left().value()) {

			if (artType.getName().contains(correctType)) {
				resourceInfo.type = artType.getName();
				artifactTypeExist = true;
				break;
			}
		}

		if (!artifactTypeExist) {
			BeEcompErrorManager.getInstance().logBeInvalidTypeError("Artifact", "-Not supported artifact type ", correctType);
			log.debug("Not supported artifact type = {}" , correctType);
			return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_TYPE_NOT_SUPPORTED, correctType));
		}

		Either<Boolean, ResponseFormat> eitherNeedToCreate = validateEnv(componentsUtils, createdArtifactTemplateInfoList, resourceInfo);
		if (eitherNeedToCreate.isRight())
			return Either.right(eitherNeedToCreate.right().value());
		eitherNeedToCreate = validateParentType(componentsUtils, resourceInfo, parentArtifact);
		if (eitherNeedToCreate.isRight())
			return Either.right(eitherNeedToCreate.right().value());
		eitherNeedToCreate = validateIsAlreadyExist(componentsUtils, resourceInfo, createdArtifactTemplateInfoList, parentArtifact);
		if (eitherNeedToCreate.isRight())
			return Either.right(eitherNeedToCreate.right().value());
		Set<String> keys = o.keySet();
		for (String key : keys) {
			if (o.get(key) instanceof List) {
				List<Map<String, Object>> artifList = (List<Map<String, Object>>) o.get(key);
				for (Map<String, Object> relatedArtifactsMap : artifList) {
					Either<ArtifactTemplateInfo, ResponseFormat> relatedArtifact = ArtifactTemplateInfo.createArtifactTemplateInfoFromJson(componentsUtils, key, relatedArtifactsMap, createdArtifactTemplateInfoList, resourceInfo);
					if (relatedArtifact.isRight())
						return relatedArtifact;
					if (resourceInfo.relatedArtifactsInfo == null)
						resourceInfo.relatedArtifactsInfo = new ArrayList<ArtifactTemplateInfo>();
					resourceInfo.relatedArtifactsInfo.add(relatedArtifact.left().value());
				}
			}
		}
		return Either.left(resourceInfo);
	}

	private static Either<Boolean, ResponseFormat> validateIsAlreadyExist(ComponentsUtils componentsUtils, ArtifactTemplateInfo resourceInfo, List<ArtifactTemplateInfo> createdArtifactTemplateInfoList, ArtifactTemplateInfo parentArtifact) {

		if (parentArtifact == null) {
			if (createdArtifactTemplateInfoList == null || createdArtifactTemplateInfoList.isEmpty())
				return Either.left(true);
			for (ArtifactTemplateInfo createdArtifact : createdArtifactTemplateInfoList) {
				if (createdArtifact.getType().equalsIgnoreCase(resourceInfo.getType()) && createdArtifact.getFileName().equalsIgnoreCase(resourceInfo.getFileName())) {
					return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_ALRADY_EXIST_IN_MASTER_IN_CSAR, resourceInfo.getFileName(), createdArtifact.type));
				}
			}
			return Either.left(true);
		} else {
			List<ArtifactTemplateInfo> relatedArtifacts = parentArtifact.getRelatedArtifactsInfo();
			if (relatedArtifacts == null || relatedArtifacts.isEmpty())
				return Either.left(true);
			for (ArtifactTemplateInfo relatedArtifact : relatedArtifacts) {
				if (relatedArtifact.getType().equalsIgnoreCase(resourceInfo.getType())) {
					if (relatedArtifact.getFileName().equalsIgnoreCase(resourceInfo.getFileName())) {
						return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_ALRADY_EXIST_IN_MASTER_IN_CSAR, resourceInfo.getFileName(), parentArtifact.getFileName()));
					}
				}
			}
			return Either.left(true);
		}
	}

	private static Either<Boolean, ResponseFormat> validateParentType(ComponentsUtils componentsUtils, ArtifactTemplateInfo resourceInfo, ArtifactTemplateInfo parentArtifact) {

		if (parentArtifact == null)
			return Either.left(true);
		if (resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_ARTIFACT.getType()))
			return Either.left(true);
		if (resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT.getType()) && parentArtifact != null) {
			return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_VALID_IN_MASTER, resourceInfo.getFileName(), resourceInfo.getType(), parentArtifact.getFileName(), parentArtifact.getType()));
		}
		if ((resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_NET.getType()) || resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_VOL.getType()))
				&& !parentArtifact.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT.getType())) {
			return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_VALID_IN_MASTER, resourceInfo.getFileName(), resourceInfo.getType(), parentArtifact.getFileName(), parentArtifact.getType()));
		}
		if (parentArtifact.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_NESTED.getType())) {
			if (resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_ARTIFACT.getType()) || resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_NESTED.getType())) {
				return Either.left(true);
			}
			return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_VALID_IN_MASTER, resourceInfo.getFileName(), resourceInfo.getType(), parentArtifact.getFileName(), parentArtifact.getType()));
		}
		if (parentArtifact.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT.getType()) && resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT.getType())) {
			return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_VALID_IN_MASTER, resourceInfo.getFileName(), resourceInfo.getType(), parentArtifact.getFileName(), parentArtifact.getType()));
		}

		if (parentArtifact.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT.getType())) {
			return Either.left(true);
		}
		return Either.left(true);
	}

	private static Either<Boolean, ResponseFormat> validateEnv(ComponentsUtils componentsUtils, List<ArtifactTemplateInfo> createdArtifactTemplateInfoList, ArtifactTemplateInfo resourceInfo) {

		if (createdArtifactTemplateInfoList == null || createdArtifactTemplateInfoList.isEmpty())
			return Either.left(true);
		if (resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_NESTED.getType()) || resourceInfo.getType().equalsIgnoreCase(ArtifactTypeEnum.HEAT_ARTIFACT.getType()))
			return Either.left(true);
		for (ArtifactTemplateInfo createdArtifactTemplateInfo : createdArtifactTemplateInfoList) {
			// check if artifact with this name already parsed. If parsed check
			// env name. it must be the same.
			if (resourceInfo.getFileName().equalsIgnoreCase(createdArtifactTemplateInfo.getFileName())) {
				if ((resourceInfo.getEnv() == null || resourceInfo.getEnv().isEmpty()) && (createdArtifactTemplateInfo.getEnv() != null && !createdArtifactTemplateInfo.getEnv().isEmpty())) {
					log.debug("Artifact  file with name {} type{}  already parsed but with env {}", resourceInfo.getFileName(), resourceInfo.getType(), createdArtifactTemplateInfo.getEnv());
					return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_VALID_ENV, resourceInfo.getFileName(), resourceInfo.getType(), resourceInfo.getEnv(), createdArtifactTemplateInfo.getEnv()));
				}
				if (resourceInfo.getEnv() != null && !resourceInfo.getEnv().isEmpty() && createdArtifactTemplateInfo.getEnv() != null && !createdArtifactTemplateInfo.getEnv().isEmpty()
						&& !createdArtifactTemplateInfo.getEnv().equalsIgnoreCase(resourceInfo.getEnv())) {
					log.debug("Artifact  file with name {} type{} env {} already parsed but with env {}", resourceInfo.getFileName(), resourceInfo.getType(), resourceInfo.getEnv(), createdArtifactTemplateInfo.getEnv());
					return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_VALID_ENV, resourceInfo.getFileName(), resourceInfo.getType(), resourceInfo.getEnv(), createdArtifactTemplateInfo.getEnv()));
				}
				if ((resourceInfo.getEnv() != null && !resourceInfo.getEnv().isEmpty()) && (createdArtifactTemplateInfo.getEnv() == null || createdArtifactTemplateInfo.getEnv().isEmpty())) {
					log.debug("Artifact  file with name {} type{} env {} already parsed but with env {}", resourceInfo.getFileName(), resourceInfo.getType(), resourceInfo.getEnv(), createdArtifactTemplateInfo.getEnv());
					return Either.right(componentsUtils.getResponseFormat(ActionStatus.ARTIFACT_NOT_VALID_ENV, resourceInfo.getFileName(), resourceInfo.getType(), resourceInfo.getEnv(), createdArtifactTemplateInfo.getEnv()));
				}
			}
			List<ArtifactTemplateInfo> relatedArtifacts = createdArtifactTemplateInfo.getRelatedArtifactsInfo();
			Either<Boolean, ResponseFormat> status = validateEnv(componentsUtils, relatedArtifacts, resourceInfo);
			if (status.isRight())
				return status;
		}
		return Either.left(true);
	}

	private static Either<List<ArtifactType>, ActionStatus> getDeploymentArtifactTypes(NodeTypeEnum parentType) {

		Map<String, ArtifactTypeConfig> deploymentArtifacts = null;
		List<ArtifactType> artifactTypes = new ArrayList<ArtifactType>();

		if (parentType.equals(NodeTypeEnum.Service)) {
			deploymentArtifacts = ConfigurationManager.getConfigurationManager().getConfiguration().getServiceDeploymentArtifacts();
		} else {
			deploymentArtifacts = ConfigurationManager.getConfigurationManager().getConfiguration().getResourceDeploymentArtifacts();
		}
		if (deploymentArtifacts != null) {
			for (String artifactType : deploymentArtifacts.keySet()) {
				ArtifactType artifactT = new ArtifactType();
				artifactT.setName(artifactType);
				artifactTypes.add(artifactT);
			}
			return Either.left(artifactTypes);
		} else {
			return Either.right(ActionStatus.GENERAL_ERROR);
		}

	}

	public static int compareByGroupName(ArtifactTemplateInfo art1, ArtifactTemplateInfo art2) {
		return art1.isBase ? (art2.isBase ? 0 : -1) : (art2.isBase ? 1 : 0);
	}

}