/*-
 * ============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=========================================================
 * Modifications copyright (c) 2019 Nokia
 * ================================================================================
 */
package org.openecomp.sdc.be.components.impl;

import fj.data.Either;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;
import org.openecomp.sdc.be.components.impl.exceptions.ByActionStatusComponentException;
import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
import org.openecomp.sdc.be.components.validation.component.ComponentContactIdValidator;
import org.openecomp.sdc.be.components.validation.component.ComponentDescriptionValidator;
import org.openecomp.sdc.be.components.validation.component.ComponentIconValidator;
import org.openecomp.sdc.be.components.validation.component.ComponentNameValidator;
import org.openecomp.sdc.be.components.validation.component.ComponentProjectCodeValidator;
import org.openecomp.sdc.be.components.validation.component.ComponentTagsValidator;
import org.openecomp.sdc.be.components.validation.component.ComponentValidator;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.datamodel.api.CategoryTypeEnum;
import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.model.ComponentInstance;
import org.openecomp.sdc.be.model.LifecycleStateEnum;
import org.openecomp.sdc.be.model.Product;
import org.openecomp.sdc.be.model.User;
import org.openecomp.sdc.be.model.category.CategoryDefinition;
import org.openecomp.sdc.be.model.category.GroupingDefinition;
import org.openecomp.sdc.be.model.category.SubCategoryDefinition;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ArtifactsOperations;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.InterfaceOperation;
import org.openecomp.sdc.be.model.operations.api.IElementOperation;
import org.openecomp.sdc.be.model.operations.api.IGroupInstanceOperation;
import org.openecomp.sdc.be.model.operations.api.IGroupOperation;
import org.openecomp.sdc.be.model.operations.api.IGroupTypeOperation;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.operations.impl.InterfaceLifecycleOperation;
import org.openecomp.sdc.be.model.operations.impl.UniqueIdBuilder;
import org.openecomp.sdc.be.model.operations.utils.ComponentValidationUtils;
import org.openecomp.sdc.be.resources.data.auditing.AuditingActionEnum;
import org.openecomp.sdc.be.ui.model.UiComponentDataTransfer;
import org.openecomp.sdc.be.user.Role;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.common.util.ValidationUtils;
import org.openecomp.sdc.exception.ResponseFormat;
import org.springframework.beans.factory.annotation.Autowired;

@org.springframework.stereotype.Component("productBusinessLogic")
public class ProductBusinessLogic extends ComponentBusinessLogic {

    private static final String PRODUCT_FULL_NAME = "full";
    private static final String PRODUCT_ABBREVIATED_NAME = "abbreviated";
    private static final Logger log = Logger.getLogger(ProductBusinessLogic.class);
    private static final String INITIAL_VERSION = "0.1";
    private static final String CREATE_PRODUCT = "Create Product";
    private static List<Role> creationRoles;
    private static List<Role> updateRoles;
    private static List<Role> contactsRoles;
    private final ComponentInstanceBusinessLogic componentInstanceBusinessLogic;

    @Autowired
    public ProductBusinessLogic(IElementOperation elementDao, IGroupOperation groupOperation, IGroupInstanceOperation groupInstanceOperation,
                                IGroupTypeOperation groupTypeOperation, GroupBusinessLogic groupBusinessLogic, InterfaceOperation interfaceOperation,
                                InterfaceLifecycleOperation interfaceLifecycleTypeOperation, ArtifactsBusinessLogic artifactsBusinessLogic,
                                ComponentInstanceBusinessLogic componentInstanceBusinessLogic, ArtifactsOperations artifactToscaOperation,
                                ComponentContactIdValidator componentContactIdValidator, ComponentNameValidator componentNameValidator,
                                ComponentTagsValidator componentTagsValidator, ComponentValidator componentValidator,
                                ComponentIconValidator componentIconValidator, ComponentProjectCodeValidator componentProjectCodeValidator,
                                ComponentDescriptionValidator componentDescriptionValidator) {
        super(elementDao, groupOperation, groupInstanceOperation, groupTypeOperation, groupBusinessLogic, interfaceOperation,
            interfaceLifecycleTypeOperation, artifactsBusinessLogic, artifactToscaOperation, componentContactIdValidator, componentNameValidator,
            componentTagsValidator, componentValidator, componentIconValidator, componentProjectCodeValidator, componentDescriptionValidator);
        this.componentInstanceBusinessLogic = componentInstanceBusinessLogic;
        creationRoles = new ArrayList<>();
        updateRoles = new ArrayList<>();
        contactsRoles = new ArrayList<>();
        // only PM is allowed to create/update products
        creationRoles.add(Role.PRODUCT_MANAGER);
        updateRoles.add(Role.PRODUCT_MANAGER);
        // Only PM is allowed to be product contacts
        contactsRoles.add(Role.PRODUCT_MANAGER);
    }

    public Either<Product, ResponseFormat> createProduct(Product product, User user) {
        AuditingActionEnum actionEnum = AuditingActionEnum.CREATE_RESOURCE;
        ComponentTypeEnum typeEnum = ComponentTypeEnum.PRODUCT;
        // validate user - should be first to get the maximum auditing info in

        // case of subsequent failures
        log.debug("get user from DB");
        user = validateUser(user, CREATE_PRODUCT, product, actionEnum, false);
        // validate user role
        validateUserRole(user, product, creationRoles, actionEnum, null);
        if (product == null) {
            log.debug("Invalid product json. Check product servlet log for createProduct entry params");
            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.INVALID_CONTENT);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, typeEnum);
            return Either.right(responseFormat);
        }
        // warn about non-updatable fields
        checkUnupdatableProductFields(product);
        Either<Product, ResponseFormat> validateProductResponse = validateProductBeforeCreate(product, user, actionEnum);
        if (validateProductResponse.isRight()) {
            return Either.right(validateProductResponse.right().value());
        }
        log.debug("send product {} to dao for create", product.getComponentMetadataDefinition().getMetadataDataDefinition().getName());
        Either<Boolean, ResponseFormat> lockResult = lockComponentByName(product.getSystemName(), product, CREATE_PRODUCT);
        if (lockResult.isRight()) {
            ResponseFormat responseFormat = lockResult.right().value();
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        log.debug("Product name locked is {}, status = {}", product.getSystemName(), lockResult);
        try {
            Either<Product, StorageOperationStatus> createProductEither = toscaOperationFacade.createToscaComponent(product);
            if (createProductEither.isRight()) {
                ResponseFormat responseFormat = componentsUtils
                    .getResponseFormatByComponent(componentsUtils.convertFromStorageResponse(createProductEither.right().value()), product, typeEnum);
                componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, typeEnum);
                return Either.right(responseFormat);
            }
            log.debug("Product created successfully");
            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.CREATED);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, typeEnum);
            Product createdProduct = createProductEither.left().value();
            return Either.left(createdProduct);
        } finally {
            graphLockOperation.unlockComponentByName(product.getSystemName(), product.getUniqueId(), NodeTypeEnum.Product);
        }
    }

    private void checkUnupdatableProductFields(Product product) {
        checkComponentFieldsForOverrideAttempt(product);
        if (product.getNormalizedName() != null) {
            log.info("NormalizedName cannot be defined by user. This field will be overridden by the application");
        }
    }

    private Either<Product, ResponseFormat> validateProductBeforeCreate(Product product, User user, AuditingActionEnum actionEnum) {
        Either<Boolean, ResponseFormat> validateProductFields = validateProductFieldsBeforeCreate(user, product, actionEnum);
        if (validateProductFields.isRight()) {
            return Either.right(validateProductFields.right().value());
        }
        if (product.getIsActive() == null) {
            log.debug("no isActive value was provided, setting to default: false");
            product.setIsActive(false);
        }
        product.setCreatorUserId(user.getUserId());
        // enrich object
        log.debug("enrich product with version and state");
        product.setState(LifecycleStateEnum.NOT_CERTIFIED_CHECKOUT);
        product.setVersion(INITIAL_VERSION);
        // Generate invariant UUID - must be here and not in operation since it

        // should stay constant during clone
        String invariantUUID = UniqueIdBuilder.buildInvariantUUID();
        product.setInvariantUUID(invariantUUID);
        return Either.left(product);
    }

    private Either<Boolean, ResponseFormat> validateProductFieldsBeforeCreate(User user, Product product, AuditingActionEnum actionEnum) {
        // To be removed in 1607

        // See below
        String oldName = product.getName();
        Either<Boolean, ResponseFormat> componentNameValidation = validateProductNameAndCleanup(user, product, actionEnum);
        if (componentNameValidation.isRight()) {
            return componentNameValidation;
        }
        try {
            componentNameValidator.validateComponentNameUnique(user, product, actionEnum);
        } catch (ComponentException exp) {
            return Either.right(exp.getResponseFormat());
        }
        // To be removed in 1607 and replaced with generic

        // validateTagsListAndRemoveDuplicates()

        // See comments on the validateTagsListAndRemoveDuplicates(user,

        // product, oldName, actionEnum) function
        Either<Boolean, ResponseFormat> tagsValidation = validateTagsListAndRemoveDuplicates(user, product, oldName, actionEnum);
        if (tagsValidation.isRight()) {
            return tagsValidation;
        }
        componentTagsValidator.validateAndCorrectField(user, product, actionEnum);
        try {
            componentProjectCodeValidator.validateAndCorrectField(user, product, actionEnum);
        } catch (ComponentException exp) {
            return Either.right(exp.getResponseFormat());
        }
        Either<Boolean, ResponseFormat> categoryValidation = validateGrouping(user, product, actionEnum);
        if (categoryValidation.isRight()) {
            return categoryValidation;
        }
        Either<Boolean, ResponseFormat> contactsListValidation = validateAndUpdateProductContactsList(user, product, actionEnum);
        if (contactsListValidation.isRight()) {
            return contactsListValidation;
        }
        Either<Boolean, ResponseFormat> productFullNameValidation = validateProductFullNameAndCleanup(user, product, actionEnum);
        if (productFullNameValidation.isRight()) {
            return productFullNameValidation;
        }
        componentDescriptionValidator.validateAndCorrectField(user, product, actionEnum);
        return Either.left(true);
    }

    public Either<Map<String, Boolean>, ResponseFormat> validateProductNameExists(String productName, String userId) {
        validateUserExists(userId);
        Either<Boolean, StorageOperationStatus> dataModelResponse = toscaOperationFacade
            .validateComponentNameUniqueness(productName, null, ComponentTypeEnum.PRODUCT);
        // DE242223
        janusGraphDao.commit();
        if (dataModelResponse.isLeft()) {
            Map<String, Boolean> result = new HashMap<>();
            result.put("isValid", dataModelResponse.left().value());
            log.debug("validation was successfully performed.");
            return Either.left(result);
        }
        ResponseFormat responseFormat = componentsUtils
            .getResponseFormat(componentsUtils.convertFromStorageResponse(dataModelResponse.right().value()));
        return Either.right(responseFormat);
    }

    private Either<Boolean, ResponseFormat> validateAndUpdateProductContactsList(User user, Product product, AuditingActionEnum actionEnum) {
        List<String> contacts = product.getContacts();
        if (!ValidationUtils.validateListNotEmpty(contacts)) {
            log.debug("Contacts list cannot be empty for product {}", product.getName());
            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.EMPTY_PRODUCT_CONTACTS_LIST);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        boolean isProductCreatorInContacts = false;
        String modifierUserId = user.getUserId();
        for (String contact : contacts) {
            if (contact.equals(modifierUserId)) {
                log.trace("modifier userId found in product contacts");
                isProductCreatorInContacts = true;
                // No need to validate for this userId - it's modifier's
                continue;
            }
            if (!ValidationUtils.validateContactId(contact)) {
                log.debug("Product contacts has invalid userId {} for product {}", contact, product.getName());
                ResponseFormat responseFormat = componentsUtils
                    .getResponseFormat(ActionStatus.COMPONENT_INVALID_CONTACT, ComponentTypeEnum.PRODUCT.getValue());
                componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                return Either.right(responseFormat);
            }
            User contactUser;
            try {
                contactUser = validateUserExists(contact);
                validateUserRole(contactUser, contactsRoles);
            } catch (ByActionStatusComponentException e) {
                log.debug("Cannot set contact with userId {} as product contact, error: {}", contact, e.getActionStatus());
                ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.INVALID_PRODUCT_CONTACT, contact);
                componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                throw new ByActionStatusComponentException(e.getActionStatus(), e.getParams());
            }
        }
        if (!isProductCreatorInContacts) {
            log.debug("modifier userId {} not found in product contacts - adding it", modifierUserId);
            contacts.add(modifierUserId);
        }
        // passed - setting all contacts userIds to lowercase
        List<String> tempContacts = contacts.stream().map(String::toLowerCase).collect(Collectors.toList());
        ValidationUtils.removeDuplicateFromList(tempContacts);
        product.setContacts(tempContacts);
        return Either.left(true);
    }

    private Either<Boolean, ResponseFormat> validateGrouping(User user, Product product, AuditingActionEnum actionEnum) {
        List<CategoryDefinition> categories = product.getCategories();
        if (categories == null || categories.isEmpty()) {
            log.debug("Grouping list is empty for product: {}", product.getName());
            return Either.left(true);
        }
        Map<String, Map<String, Set<String>>> nonDuplicatedCategories = new HashMap<>();
        // remove duplicated entries
        for (CategoryDefinition cat : categories) {
            String catName = cat.getName();
            if (StringUtils.isEmpty(catName)) {
                // error missing cat name
                log.debug("Missing category name for product: {}", product.getName());
                ResponseFormat responseFormat = componentsUtils
                    .getResponseFormat(ActionStatus.COMPONENT_MISSING_CATEGORY, ComponentTypeEnum.PRODUCT.getValue());
                componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                return Either.right(responseFormat);
            }
            Map<String, Set<String>> catEntry = nonDuplicatedCategories.get(catName);
            if (catEntry == null) {
                catEntry = new HashMap<>();
                nonDuplicatedCategories.put(catName, catEntry);
            }
            List<SubCategoryDefinition> subcategories = cat.getSubcategories();
            if (subcategories == null || subcategories.isEmpty()) {
                // error missing subcat for cat
                log.debug("Missing sub-categories for category {} in product {}", catName, product.getName());
                ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.COMPONENT_MISSING_SUBCATEGORY);
                componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                return Either.right(responseFormat);
            }
            for (SubCategoryDefinition subcat : subcategories) {
                String subCatName = subcat.getName();
                if (StringUtils.isEmpty(subCatName)) {
                    // error missing sub cat name for cat
                    log.debug("Missing or empty sub-category for category {} in product {}", catName, product.getName());
                    ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.COMPONENT_MISSING_SUBCATEGORY);
                    componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                    return Either.right(responseFormat);
                }
                Set<String> subcatEntry = catEntry.get(subCatName);
                if (subcatEntry == null) {
                    subcatEntry = new HashSet<>();
                    catEntry.put(subCatName, subcatEntry);
                }
                List<GroupingDefinition> groupings = subcat.getGroupings();
                for (GroupingDefinition group : groupings) {
                    String groupName = group.getName();
                    if (StringUtils.isEmpty(groupName)) {
                        // error missing grouping for sub cat name and cat
                        log.debug("Missing or empty groupng name for sub-category: {} for categor: {} in product: {}", subCatName, catName,
                            product.getName());
                        ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.COMPONENT_MISSING_SUBCATEGORY);
                        componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                        return Either.right(responseFormat);
                    }
                    if (!subcatEntry.contains(groupName)) {
                        subcatEntry.add(groupName);
                    } else {
                        log.debug("Grouping: {}, already exist for category: {} and subcategory: {}", groupName, catName, subCatName);
                    }
                }
            }
        } // for end of checking duplicated

        // validate existence
        Either<List<CategoryDefinition>, ActionStatus> allProductCategories = elementDao.getAllProductCategories();
        if (allProductCategories.isRight()) {
            log.debug("No product categories {}", allProductCategories.right().value());
            ResponseFormat responseFormat = componentsUtils.getResponseFormat(allProductCategories.right().value());
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        boolean catExist;
        // convert non-duplicated to data modeling format and update in the

        // input object
        List<CategoryDefinition> newCatList = new ArrayList<>();
        // over all categories from request
        for (Map.Entry<String, Map<String, Set<String>>> entry : nonDuplicatedCategories.entrySet()) {
            catExist = false;
            CategoryDefinition categoryDefinition = null;
            // over all categories from JanusGraph
            List<CategoryDefinition> categoriesList = allProductCategories.left().value();
            if (categoriesList != null) {
                for (CategoryDefinition catInDb : categoriesList) {
                    if (entry.getKey().equals(catInDb.getName())) {
                        catExist = true;
                        boolean subcatExist;
                        // copy data
                        categoryDefinition = new CategoryDefinition(catInDb);
                        SubCategoryDefinition subCategory = null;
                        Map<String, Set<String>> subcats = entry.getValue();
                        for (Map.Entry<String, Set<String>> subcat : subcats.entrySet()) {
                            subcatExist = false;
                            List<SubCategoryDefinition> subcategoriesList = catInDb.getSubcategories();
                            if (subcategoriesList != null) {
                                for (SubCategoryDefinition subcatInDb : subcategoriesList) {
                                    if (subcatInDb.getName().equals(subcat.getKey())) {
                                        // copy data
                                        subCategory = new SubCategoryDefinition(subcatInDb);
                                        subcatExist = true;
                                        Set<String> grouping = subcat.getValue();
                                        boolean groupExist;
                                        GroupingDefinition groupingDefinition = null;
                                        for (String group : grouping) {
                                            groupExist = false;
                                            List<GroupingDefinition> groupings = subcatInDb.getGroupings();
                                            if (groupings != null) {
                                                for (GroupingDefinition groupInDb : groupings) {
                                                    if (groupInDb.getName().equals(group)) {
                                                        groupExist = true;
                                                        groupingDefinition = new GroupingDefinition(groupInDb);
                                                    }
                                                }
                                            }
                                            if (!groupExist) {
                                                // error grouping isn't defined

                                                // in JanusGraph
                                                ResponseFormat responseFormat = componentsUtils
                                                    .getResponseFormat(ActionStatus.INVALID_GROUP_ASSOCIATION, CategoryTypeEnum.GROUPING.getValue(),
                                                        group);
                                                componentsUtils
                                                    .auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                                                return Either.right(responseFormat);
                                            }
                                            subCategory.addGrouping(groupingDefinition);
                                        }
                                    }
                                }
                            }
                            if (!subcatExist) {
                                // error sub category isn't defined in JanusGraph
                                ResponseFormat responseFormat = componentsUtils
                                    .getResponseFormat(ActionStatus.INVALID_GROUP_ASSOCIATION, CategoryTypeEnum.SUBCATEGORY.getValue(),
                                        subcat.getKey());
                                componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                                return Either.right(responseFormat);
                            }
                            categoryDefinition.addSubCategory(subCategory);
                        }
                    }
                }
            }
            if (!catExist) {
                // error category isn't defined in JanusGraph
                ResponseFormat responseFormat = componentsUtils
                    .getResponseFormat(ActionStatus.INVALID_GROUP_ASSOCIATION, CategoryTypeEnum.CATEGORY.getValue(), entry.getKey());
                componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
                return Either.right(responseFormat);
            }
            newCatList.add(categoryDefinition);
        }
        product.setCategories(newCatList);
        return Either.left(true);
    }

    public Either<Product, ResponseFormat> getProduct(String productId, User user) {
        String ecompErrorContext = "Get product";
        validateUserNotEmpty(user, ecompErrorContext);
        validateUserExists(user);
        Either<Product, StorageOperationStatus> storageStatus = toscaOperationFacade.getToscaElement(productId);
        if (storageStatus.isRight()) {
            log.debug("failed to get resource by id {}", productId);
            if (storageStatus.right().value() == StorageOperationStatus.NOT_FOUND) {
                // TODO check error
                return Either.right(componentsUtils.getResponseFormat(ActionStatus.PRODUCT_NOT_FOUND, ComponentTypeEnum.PRODUCT.getValue()));
            } else {
                return Either.right(
                    componentsUtils.getResponseFormatByResource(componentsUtils.convertFromStorageResponse(storageStatus.right().value()), ""));
            }
        }
        return Either.left(storageStatus.left().value());
    }

    public Either<Product, ResponseFormat> deleteProduct(String productId, User user) {
        String ecompErrorContext = "Delete product";
        validateUserNotEmpty(user, ecompErrorContext);
        validateUserExists(user);
        Either<Product, StorageOperationStatus> storageStatus = toscaOperationFacade.deleteToscaComponent(productId);
        if (storageStatus.isRight()) {
            log.debug("failed to delete resource by id {}", productId);
            return Either
                .right(componentsUtils.getResponseFormatByResource(componentsUtils.convertFromStorageResponse(storageStatus.right().value()), ""));
        }
        return Either.left(storageStatus.left().value());
    }

    private Either<Boolean, ResponseFormat> validateProductFullNameAndCleanup(User user, Product product, AuditingActionEnum actionEnum) {
        String fullName = product.getFullName();
        if (StringUtils.isEmpty(fullName)) {
            ResponseFormat errorResponse = componentsUtils
                .getResponseFormat(ActionStatus.MISSING_ONE_OF_COMPONENT_NAMES, ComponentTypeEnum.PRODUCT.getValue(), PRODUCT_FULL_NAME);
            componentsUtils.auditComponentAdmin(errorResponse, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(errorResponse);
        }
        fullName = ValidationUtils.removeNoneUtf8Chars(fullName);
        fullName = ValidationUtils.removeHtmlTags(fullName);
        fullName = ValidationUtils.normaliseWhitespace(fullName);
        fullName = ValidationUtils.stripOctets(fullName);
        if (!ValidationUtils.validateProductFullNameLength(fullName)) {
            ResponseFormat responseFormat = componentsUtils
                .getResponseFormat(ActionStatus.COMPONENT_ELEMENT_INVALID_NAME_LENGTH, ComponentTypeEnum.PRODUCT.getValue(), PRODUCT_FULL_NAME);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        if (!ValidationUtils.validateIsEnglish(fullName)) {
            ResponseFormat responseFormat = componentsUtils
                .getResponseFormat(ActionStatus.COMPONENT_ELEMENT_INVALID_NAME_FORMAT, ComponentTypeEnum.PRODUCT.getValue(), PRODUCT_FULL_NAME);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        product.setFullName(fullName);
        return Either.left(true);
    }

    private Either<Boolean, ResponseFormat> validateProductNameAndCleanup(User user, Product product, AuditingActionEnum actionEnum) {
        String name = product.getName();
        if (StringUtils.isEmpty(name)) {
            ResponseFormat responseFormat = componentsUtils
                .getResponseFormat(ActionStatus.MISSING_ONE_OF_COMPONENT_NAMES, ComponentTypeEnum.PRODUCT.getValue(), PRODUCT_ABBREVIATED_NAME);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        // Product name is required to have same validation and normalization as

        // category
        if (!ValidationUtils.validateCategoryDisplayNameFormat(name)) {
            ResponseFormat responseFormat = componentsUtils
                .getResponseFormat(ActionStatus.COMPONENT_ELEMENT_INVALID_NAME_FORMAT, ComponentTypeEnum.PRODUCT.getValue(),
                    PRODUCT_ABBREVIATED_NAME);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        String normalizedName4Display = ValidationUtils.normalizeCategoryName4Display(name);
        if (!ValidationUtils.validateCategoryDisplayNameLength(normalizedName4Display)) {
            ResponseFormat responseFormat = componentsUtils
                .getResponseFormat(ActionStatus.COMPONENT_ELEMENT_INVALID_NAME_LENGTH, ComponentTypeEnum.PRODUCT.getValue(),
                    PRODUCT_ABBREVIATED_NAME);
            componentsUtils.auditComponentAdmin(responseFormat, user, product, actionEnum, ComponentTypeEnum.PRODUCT);
            return Either.right(responseFormat);
        }
        product.setName(normalizedName4Display);
        String normalizedName4Uniqueness = ValidationUtils.normaliseComponentName(normalizedName4Display);
        product.setNormalizedName(normalizedName4Uniqueness);
        return Either.left(true);
    }
    // This is a workaround for a current tag--->product name behaviour, which

    // will be changed in 1607.

    // It was agreed with Ella on 23/2/16 that the tag validation of product

    // will be made against the old product name (before normalization),

    // and in 1607 US will be defined where UI will no longer pass tag of

    // component name, and BE will add it by itself after all needed

    // normalizations.
    private Either<Boolean, ResponseFormat> validateTagsListAndRemoveDuplicates(User user, Product product, String oldProductName,
                                                                                AuditingActionEnum actionEnum) {
        componentTagsValidator.validateAndCorrectField(user, product, actionEnum);
        return Either.left(true);
    }

    @Override
    public void setDeploymentArtifactsPlaceHolder(org.openecomp.sdc.be.model.Component component, User user) {
    }

    public Either<Product, ResponseFormat> updateProductMetadata(String productId, Product updatedProduct, User user) {
        ComponentTypeEnum typeEnum = ComponentTypeEnum.PRODUCT;
        user = validateUser(user, "Update Product", updatedProduct, null, false);
        // validate user role
        validateUserRole(user, updatedProduct, updateRoles, null, null);
        if (updatedProduct == null) {
            log.debug("Invalid product json. Check product servlet log for updateProduct entry params");
            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.INVALID_CONTENT);
            return Either.right(responseFormat);
        }
        Either<Product, StorageOperationStatus> storageStatus = toscaOperationFacade.getToscaElement(productId);
        if (storageStatus.isRight()) {
            if (storageStatus.right().value() == StorageOperationStatus.NOT_FOUND) {
                return Either
                    .right(componentsUtils.getResponseFormat(ActionStatus.PRODUCT_NOT_FOUND, ComponentTypeEnum.PRODUCT.name().toLowerCase()));
            }
            return Either
                .right(componentsUtils.getResponseFormat(componentsUtils.convertFromStorageResponse(storageStatus.right().value(), typeEnum), ""));
        }
        Product currentProduct = storageStatus.left().value();
        if (!ComponentValidationUtils.canWorkOnComponent(productId, toscaOperationFacade, user.getUserId())) {
            log.info("Restricted operation for user: {}, on product: {}", user.getUserId(), currentProduct.getCreatorUserId());
            return Either.right(componentsUtils.getResponseFormat(ActionStatus.RESTRICTED_OPERATION));
        }
        Either<Product, ResponseFormat> validationRsponse = validateAndUpdateProductMetadata(user, currentProduct, updatedProduct);
        if (validationRsponse.isRight()) {
            log.info("product update metadata: validations field.");
            return validationRsponse;
        }
        Product productToUpdate = validationRsponse.left().value();
        // lock resource
        lockComponent(currentProduct.getUniqueId(), currentProduct, "Update Product Metadata");
        try {
            Either<Product, StorageOperationStatus> updateResponse = toscaOperationFacade.updateToscaElement(productToUpdate);
            if (updateResponse.isRight()) {
                toscaOperationFacade.rollback();
                log.debug("failed to update product {}", productToUpdate.getUniqueId());
                return Either.right(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
            }
            toscaOperationFacade.commit();
            return Either.left(updateResponse.left().value());
        } finally {
            graphLockOperation.unlockComponent(productId, NodeTypeEnum.Product);
        }
    }

    private Either<Product, ResponseFormat> validateAndUpdateProductMetadata(User user, Product currentProduct, Product updatedProduct) {
        boolean hasBeenCertified = ValidationUtils.hasBeenCertified(currentProduct.getVersion());
        Either<Boolean, ResponseFormat> response = validateAndUpdateProductName(user, currentProduct, updatedProduct);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        response = validateAndUpdateFullName(user, currentProduct, updatedProduct);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        response = validateAndUpdateDescription(user, currentProduct, updatedProduct, null);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        response = validateAndUpdateCategory(user, currentProduct, updatedProduct);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        response = validateAndUpdateContactList(user, currentProduct, updatedProduct);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        response = validateAndUpdateTags(user, currentProduct, updatedProduct);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        response = validateAndUpdateProjectCode(user, currentProduct, updatedProduct);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        if (updatedProduct.getIsActive() != null) {
            currentProduct.setIsActive(updatedProduct.getIsActive());
        }
        response = validateAndUpdateIcon(user, currentProduct, updatedProduct, hasBeenCertified);
        if (response.isRight()) {
            ResponseFormat errorResponse = response.right().value();
            return Either.right(errorResponse);
        }
        String currentInvariantUuid = currentProduct.getInvariantUUID();
        String updatedInvariantUuid = updatedProduct.getInvariantUUID();
        if ((updatedInvariantUuid != null) && (!updatedInvariantUuid.equals(currentInvariantUuid))) {
            log.warn("Product invariant UUID is automatically set and cannot be updated");
            updatedProduct.setInvariantUUID(currentInvariantUuid);
        }
        return Either.left(currentProduct);
    }

    private Either<Boolean, ResponseFormat> validateAndUpdateProductName(User user, Product currentProduct, Product updatedProduct) {
        String updatedProductName = updatedProduct.getName();
        String tags;
        String currentProductName = currentProduct.getName();
        if (updatedProductName != null) {
            Either<Boolean, ResponseFormat> validatProductNameResponse = validateProductNameAndCleanup(user, updatedProduct, null);
            if (validatProductNameResponse.isRight()) {
                ResponseFormat errorRespons = validatProductNameResponse.right().value();
                return Either.right(errorRespons);
            }
            updatedProductName = updatedProduct.getName();
            if (!currentProductName.equals(updatedProductName)) {
                try {
                    componentNameValidator.validateComponentNameUnique(user, updatedProduct, null);
                } catch (ComponentException exp) {
                    return Either.right(exp.getResponseFormat());
                }
                currentProduct.setName(updatedProductName);
                tags = updatedProductName;
                updatedProductName = ValidationUtils.normalizeCategoryName4Display(updatedProductName);
                currentProduct.getComponentMetadataDefinition().getMetadataDataDefinition()
                    .setNormalizedName(ValidationUtils.normaliseComponentName(updatedProductName));
                List<String> updatedTags = updatedProduct.getTags();
                // As discussed with Ella currently (1604) we are not removing

                // the old name from tags.
                if (updatedTags == null) {
                    updatedTags = currentProduct.getTags();
                }
                updatedTags.add(tags);
            }
        }
        return Either.left(true);
    }

    private Either<Boolean, ResponseFormat> validateAndUpdateFullName(User user, Product currentProduct, Product updatedProduct) {
        String updatedProductName = updatedProduct.getFullName();
        String currentProductName = currentProduct.getFullName();
        if (updatedProductName != null && !currentProductName.equals(updatedProductName)) {
            Either<Boolean, ResponseFormat> validatProductNameResponse = validateProductFullNameAndCleanup(user, updatedProduct, null);
            if (validatProductNameResponse.isRight()) {
                ResponseFormat errorRespons = validatProductNameResponse.right().value();
                return Either.right(errorRespons);
            }
            currentProduct.setFullName(updatedProduct.getFullName());
        }
        return Either.left(true);
    }

    private Either<Boolean, ResponseFormat> validateAndUpdateCategory(User user, Product currentProduct, Product updatedProduct) {
        Either<Boolean, ResponseFormat> validateCategoryResponse = validateGrouping(user, updatedProduct, null);
        if (validateCategoryResponse.isRight()) {
            ResponseFormat errorResponse = validateCategoryResponse.right().value();
            return Either.right(errorResponse);
        }
        List<CategoryDefinition> categoryUpdated = updatedProduct.getCategories();
        if (categoryUpdated != null) {
            currentProduct.setCategories(categoryUpdated);
        }
        return Either.left(true);
    }

    private Either<Boolean, ResponseFormat> validateAndUpdateContactList(User user, Product currentProduct, Product updatedProduct) {
        List<String> updatedContacts = updatedProduct.getContacts();
        List<String> currentContacts = currentProduct.getContacts();
        if (updatedContacts != null) {
            if (!(currentContacts.containsAll(updatedContacts) && updatedContacts.containsAll(currentContacts))) {
                Either<Boolean, ResponseFormat> validatResponse = validateAndUpdateProductContactsList(user, updatedProduct, null);
                if (validatResponse.isRight()) {
                    ResponseFormat errorRespons = validatResponse.right().value();
                    return Either.right(errorRespons);
                }
                currentProduct.setContacts(updatedProduct.getContacts());
            }
        }
        return Either.left(true);
    }

    private Either<Boolean, ResponseFormat> validateAndUpdateTags(User user, Product currentProduct, Product updatedProduct) {
        List<String> tagsUpdated = updatedProduct.getTags();
        List<String> tagsCurrent = currentProduct.getTags();
        if (tagsUpdated != null) {
            if (!(tagsCurrent.containsAll(tagsUpdated) && tagsUpdated.containsAll(tagsCurrent))) {
                Either<Boolean, ResponseFormat> validatResponse = validateTagsListAndRemoveDuplicates(user, updatedProduct, currentProduct.getName(),
                    null);
                if (validatResponse.isRight()) {
                    ResponseFormat errorRespons = validatResponse.right().value();
                    return Either.right(errorRespons);
                }
                currentProduct.setTags(updatedProduct.getTags());
            }
        }
        return Either.left(true);
    }

    @Override
    public Either<List<String>, ResponseFormat> deleteMarkedComponents() {
        // markAsDeleted isnt implemented yet
        return Either.left(new ArrayList<>());
    }

    public Either<Product, ResponseFormat> getProductByNameAndVersion(String productName, String productVersion, String userId) {
        validateUserExists(userId);
        Either<Product, StorageOperationStatus> storageStatus = toscaOperationFacade
            .getComponentByNameAndVersion(ComponentTypeEnum.PRODUCT, productName, productVersion);
        if (storageStatus.isRight()) {
            log.debug("failed to get service by name {} and version {}", productName, productVersion);
            return Either.right(componentsUtils
                .getResponseFormat(componentsUtils.convertFromStorageResponse(storageStatus.right().value(), ComponentTypeEnum.PRODUCT),
                    productName));
        }
        Product product = storageStatus.left().value();
        return Either.left(product);
    }

    @Override
    public ComponentInstanceBusinessLogic getComponentInstanceBL() {
        return componentInstanceBusinessLogic;
    }

    @Override
    public Either<List<ComponentInstance>, ResponseFormat> getComponentInstancesFilteredByPropertiesAndInputs(String componentId, String userId) {
        return null;
    }

    @Override
    public Either<UiComponentDataTransfer, ResponseFormat> getUiComponentDataTransferByComponentId(String componentId,
                                                                                                   List<String> dataParamsToReturn) {
        // TODO Auto-generated method stub
        return null;
    }
}