/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 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.aai.schemagen.genxsd;

import com.google.common.collect.Multimap;
import org.apache.commons.lang3.StringUtils;
import org.onap.aai.edges.EdgeIngestor;
import org.onap.aai.edges.EdgeRule;
import org.onap.aai.edges.EdgeRuleQuery;
import org.onap.aai.edges.exceptions.EdgeRuleNotFoundException;
import org.onap.aai.nodes.NodeIngestor;
import org.onap.aai.setup.SchemaVersion;
import org.onap.aai.setup.SchemaVersions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.xml.parsers.ParserConfigurationException;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;

public class YAMLfromOXM extends OxmFileProcessor {
    private static final Logger logger = LoggerFactory.getLogger("YAMLfromOXM.class");
    // private static StringBuffer totalPathSbAccumulator = new StringBuffer();
    private static final String root = "../aai-schema/src/main/resources";
    private static final String autoGenRoot = "aai-schema/src/main/resources";
    private static final String generateTypeYAML = "yaml";
    private static final String normalStartDir = "aai-schema-gen";
    private static final String yaml_dir = (((System.getProperty("user.dir") != null)
        && (!System.getProperty("user.dir").contains(normalStartDir))) ? autoGenRoot : root)
        + "/aai_swagger_yaml";
    private final String patchDefinePrefix = "zzzz-patch-";
    private StringBuilder inventoryDefSb = null;

    private String basePath;

    public YAMLfromOXM(String basePath, SchemaVersions schemaVersions, NodeIngestor ni,
        EdgeIngestor ei) {
        super(schemaVersions, ni, ei);
        this.basePath = basePath;
    }

    public void setOxmVersion(File oxmFile, SchemaVersion v) {
        super.setOxmVersion(oxmFile, v);
    }

    public void setXmlVersion(String xml, SchemaVersion v) {
        super.setXmlVersion(xml, v);
    }

    public void setVersion(SchemaVersion v) {
        super.setVersion(v);
    }

    @Override
    public String getDocumentHeader() {
        StringBuffer sb = new StringBuffer();
        sb.append("swagger: \"2.0\"\ninfo:" + LINE_SEPARATOR + "  ");
        sb.append("description: |");
        if (versionSupportsSwaggerDiff(v.toString())) {
            sb.append("\n\n    [Differences versus the previous schema version]("
                + "apidocs/aai_swagger_" + v.toString() + ".diff)");
        }
        sb.append(
            DOUBLE_LINE_SEPARATOR + "    Copyright © 2017-18 AT&T Intellectual Property. All rights reserved." + DOUBLE_LINE_SEPARATOR + "    Licensed under the Creative Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except in compliance with the License.\n\n    You may obtain a copy of the License at\n\n    (https://creativecommons.org/licenses/by/4.0/)\n\n    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." + DOUBLE_LINE_SEPARATOR + "    This document is best viewed with Firefox or Chrome. Nodes can be found by appending /#/definitions/node-type-to-find to the path to this document. Edge definitions can be found with the node definitions." + LINE_SEPARATOR + "  version: \""
                + v.toString() + "\"" + LINE_SEPARATOR );
        sb.append("  title: Active and Available Inventory REST API" + LINE_SEPARATOR);
        sb.append(
            "  license:" + LINE_SEPARATOR + "    name: Apache 2.0\n    url: http://www.apache.org/licenses/LICENSE-2.0.html" + LINE_SEPARATOR);
        sb.append("  contact:" + LINE_SEPARATOR + "    name: n/a" + LINE_SEPARATOR + "    url: n/a" + LINE_SEPARATOR + "    email: n/a" + LINE_SEPARATOR);
        sb.append("host: n/a" + LINE_SEPARATOR + "basePath: " + basePath + "/" + v.toString() + LINE_SEPARATOR);
        sb.append("schemes:" + LINE_SEPARATOR + "  - https\npaths:" + LINE_SEPARATOR);
        return sb.toString();
    }

    protected void init() throws ParserConfigurationException, SAXException, IOException,
        FileNotFoundException, EdgeRuleNotFoundException {
        super.init();
    }

    @Override
    public String process() throws ParserConfigurationException, SAXException, IOException,
        FileNotFoundException, EdgeRuleNotFoundException {
        StringBuffer sb = new StringBuffer();
        StringBuffer pathSb = new StringBuffer();
        try {
            init();
        } catch (Exception e) {
            logger.error("Error initializing " + this.getClass(), e);
            throw e;
        }
        pathSb.append(getDocumentHeader());
        StringBuffer definitionsSb = new StringBuffer();
        Element elem;
        String javaTypeName;
        combinedJavaTypes = new HashMap();
        for (int i = 0; i < javaTypeNodes.getLength(); ++i) {
            elem = (Element) javaTypeNodes.item(i);
            javaTypeName = elem.getAttribute("name");
            boolean processInventory = false;
            if (!"Inventory".equals(javaTypeName)) {
                if (generatedJavaType.containsKey(getXmlRootElementName(javaTypeName))) {
                    continue;
                }
                // will combine all matching java-types
                elem = getJavaTypeElementSwagger(javaTypeName);
            } else {
                processInventory = true;
            }

            XSDElement javaTypeElement = new XSDElement(elem);

            if (processInventory) {
                getTopLevelPaths(javaTypeElement);
            }

            if (javaTypeName == null) {
                String msg = "Invalid OXM file: <java-type> has no name attribute in " + oxmFile;
                logger.error(msg);
                throw new SAXException(msg);
            }
            namespaceFilter.add(getXmlRootElementName(javaTypeName));
            processJavaTypeElementSwagger(javaTypeName, javaTypeElement, pathSb, definitionsSb,
                null, null, null, null, null, null);
        }
        sb.append(pathSb);

        sb.append(appendDefinitions());
        PutRelationPathSet prp = new PutRelationPathSet(v);
        prp.generateRelations(ei);
        return sb.toString();
    }

    public String appendDefinitions() {
        return appendDefinitions(null);
    }

    public String appendDefinitions(Set<String> namespaceFilter) {
        // append definitions
        if (inventoryDefSb != null) {
            javaTypeDefinitions.put("inventory", inventoryDefSb.toString());
        }
        StringBuffer sb = new StringBuffer("definitions:\n");
        Map<String, String> sortedJavaTypeDefinitions =
            new TreeMap<String, String>(javaTypeDefinitions);
        for (Map.Entry<String, String> entry : sortedJavaTypeDefinitions.entrySet()) {
            // logger.info("Key: "+entry.getKey()+"Value: "+ entry.getValue());
            if (namespaceFilter != null && entry.getKey().matches("service-capabilities")) {
                for (String tally : namespaceFilter) {
                    logger.debug("Marker: " + tally);
                }
            }
            if (namespaceFilter != null && (!namespaceFilter.contains(entry.getKey()))) {
                continue;
            }
            logger.debug(
                "Key: " + entry.getKey() + "Test: " + (entry.getKey() == "relationship-dict"));
            if (entry.getKey().matches("relationship-dict")) {
                String jb = entry.getValue();
                logger.debug("Value: " + jb);
                int ndx = jb.indexOf("related-to-property:");
                if (ndx > 0) {
                    jb = jb.substring(0, ndx);
                    jb = jb.replaceAll(" +$", "");
                }
                logger.debug("Value-after: " + jb);
                sb.append(jb);
                continue;
            }
            sb.append(entry.getValue());
        }
        return sb.toString();
    }

    private String getDictionary(String resource) {
        StringBuffer dictSb = new StringBuffer();
        dictSb.append("  " + resource + ":\n");
        dictSb.append("    description: |\n");
        dictSb.append("      dictionary of " + resource + "\n");
        dictSb.append("    type: object\n");
        dictSb.append("    properties:\n");
        dictSb.append("      " + resource + ":\n");
        dictSb.append("        type: array\n");
        dictSb.append("        items:\n");
        dictSb.append("          $ref: \"#/definitions/" + resource + "-dict\"\n");
        return dictSb.toString();
    }

    private String processJavaTypeElementSwagger(String javaTypeName, Element javaTypeElement,
        StringBuffer pathSb, StringBuffer definitionsSb, String path, String tag, String opId,
        String getItemName, StringBuffer pathParams, String validEdges) {

        String xmlRootElementName = getXMLRootElementName(javaTypeElement);
        StringBuilder definitionsLocalSb = new StringBuilder(256);
        StringBuilder definitionsLocalPatchSb = new StringBuilder(256);

        String useTag = null;
        String useOpId = null;
        logger.debug("tag=" + tag);
        if (tag != null) {
         // set ignore to true to skip Actions and Search
            boolean topCheck = checkTopLevel(tag, true);
            if (!topCheck) {
                return null;
            }
        }

        if (!javaTypeName.equals("Inventory")) {
            if (javaTypeName.equals("AaiInternal")) {
                return null;
            }
            if (opId == null) {
                useOpId = javaTypeName;
            } else {
                useOpId = opId + javaTypeName;
            }
            if (tag == null) {
                useTag = javaTypeName;
            }
        }
        path = xmlRootElementName.equals("inventory") ? ""
            : (path == null) ? "/" + xmlRootElementName : path + "/" + xmlRootElementName;
        XSDJavaType javaType = new XSDJavaType(javaTypeElement);
        if (getItemName != null) {
            if (getItemName.equals("array")) {
                return javaType.getArrayType();
            } else {
                return javaType.getItemName();
            }
        }

        NodeList parentNodes = javaTypeElement.getElementsByTagName("java-attributes");
        if (parentNodes.getLength() == 0) {
            logger.debug("no java-attributes for java-type " + javaTypeName);
            return "";
        }

        String pathDescriptionProperty = javaType.getPathDescriptionProperty();
        String container = javaType.getContainerProperty();
        Vector<String> indexedProps = javaType.getIndexedProps();
        Vector<String> containerProps = new Vector<String>();
        if (container != null) {
            logger.debug("javaTypeName " + javaTypeName + " container:" + container
                + " indexedProps:" + indexedProps);
        }

        Element parentElement = (Element) parentNodes.item(0);
        NodeList xmlElementNodes = parentElement.getElementsByTagName("xml-element");

        StringBuffer sbParameters = new StringBuffer();
        StringBuffer sbPathParameters = new StringBuffer(); // separate naming path parameters from name of parameter in the schema
        StringBuffer sbRequired = new StringBuffer();
        
        int requiredCnt = 0;
        int propertyCnt = 0;
        StringBuffer sbProperties = new StringBuffer();
        int patchPropertyCnt = 0; // manage payload properties separately for patch
        StringBuffer sbPropertiesPatch = new StringBuffer();

        if (appliedPaths.containsKey(path)) {
            return null;
        }

        StringTokenizer st = new StringTokenizer(path, "/");
        logger.debug("path: " + path + " st? " + st.toString());
        if (st.countTokens() > 1 && getItemName == null) {
            logger.debug("appliedPaths: " + appliedPaths + " containsKey? "
                + appliedPaths.containsKey(path));
            appliedPaths.put(path, xmlRootElementName);
        }
        
        Vector<String> addTypeV = null;
        String modifiedName;
        String replaceDescription;
        for (int i = 0; i < xmlElementNodes.getLength(); ++i) {
            XSDElement xmlElementElement = new XSDElement((Element) xmlElementNodes.item(i));
            if (!xmlElementElement.getParentNode().isSameNode(parentElement)) {
                continue;
            }
            String elementDescription = xmlElementElement.getPathDescriptionProperty();
            if (getItemName == null) {
                addTypeV = xmlElementElement.getAddTypes(v.toString());
            }
            // use alternate name for parameter if already in the path string 
            modifiedName = "/{" + xmlElementElement.getAttribute("name") + "}";
            if ( path.contains(modifiedName)) {
            	modifiedName = path.substring(path.lastIndexOf('/')+1) + "." + xmlElementElement.getAttribute("name");
            } else {
            	modifiedName = xmlElementElement.getAttribute("name");
            }
            if ("true".equals(xmlElementElement.getAttribute("xml-key"))) {
                path += "/{" + modifiedName + "}";
            }
            logger.debug("path: " + path);
            logger.debug("xmlElementElement.getAttribute(required):"
                + xmlElementElement.getAttribute("required"));

            if ("true".equals(xmlElementElement.getAttribute("xml-key"))) {
                sbParameters.append(xmlElementElement.getPathParamYAML(elementDescription));
                sbPathParameters.append(xmlElementElement.getPathParamYAML(elementDescription, modifiedName));
            }
            if (("true").equals(xmlElementElement.getAttribute("required"))) {
                if (requiredCnt == 0) {
                    sbRequired.append("    required:\n");
                }
                ++requiredCnt;
                if (addTypeV == null || addTypeV.isEmpty()) {
                    sbRequired.append("    - " + xmlElementElement.getAttribute("name") + "\n");
                } else {
                    for (int k = 0; k < addTypeV.size(); ++k) {
                        sbRequired.append(
                            "    - " + getXmlRootElementName(addTypeV.elementAt(k)) + ":\n");
                    }
                }
            }
            if (indexedProps != null
                && indexedProps.contains(xmlElementElement.getAttribute("name"))) {
                containerProps.add(xmlElementElement.getQueryParamYAML());
                GetOperation.addContainerProps(container, containerProps);
            }
            if (xmlElementElement.isStandardType()) {
                sbProperties.append(xmlElementElement.getTypePropertyYAML());
                if ( !"resource-version".equals(xmlElementElement.getAttribute("name"))) {
                	sbPropertiesPatch.append(xmlElementElement.getTypePropertyYAML());
                	++patchPropertyCnt;
                }
                ++propertyCnt;
            }

            StringBuffer newPathParams = new StringBuffer(
                (pathParams == null ? "" : pathParams.toString()) + sbPathParameters.toString());
            String useName;
            for (int k = 0; addTypeV != null && k < addTypeV.size(); ++k) {
                String addType = addTypeV.elementAt(k);
                namespaceFilter.add(getXmlRootElementName(addType));
                logger.debug("addType: " + addType);

                if (opId == null || !opId.contains(addType)) {
                    processJavaTypeElementSwagger(addType, getJavaTypeElementSwagger(addType),
                        pathSb, definitionsSb, path, tag == null ? useTag : tag, useOpId, null,
                        newPathParams, validEdges);
                }
                // need item name of array
                String itemName = processJavaTypeElementSwagger(addType,
                    getJavaTypeElementSwagger(addType), pathSb, definitionsSb, path,
                    tag == null ? useTag : tag, useOpId, "array", null, null);

                if (itemName != null) {
                    if (addType.equals("AaiInternal")) {
                        logger.debug("addType AaiInternal, skip properties");

                    } else if (getItemName == null) {
                        ++propertyCnt;
                        sbProperties.append("      " + getXmlRootElementName(addType) + ":\n");
                        if ( "RelationshipList".equals(addType)) {
                            sbProperties.append("        type: object\n");
                            sbProperties.append("        $ref: \"#/definitions/"
                                + itemName + "\"\n");
                            sbPropertiesPatch.append("      " + getXmlRootElementName(addType) + ":\n");
                            sbPropertiesPatch.append("        type: object\n");
                            sbPropertiesPatch.append("        $ref: \"#/definitions/"
                                + itemName + "\"\n");
                            ++patchPropertyCnt;
                        } else {
                        	if ( "relationship".equals(itemName) ) {
                        		System.out.println(v + "-relationship added as array for getItemName null");
                        	}
                        	sbProperties.append("        type: array\n        items:\n");
                        	sbProperties.append("          $ref: \"#/definitions/"
                            + (itemName == "" ? "inventory-item-data" : itemName) + "\"\n");
                        }
                        if (StringUtils.isNotEmpty(elementDescription)) {
                            sbProperties
                                .append("        description: " + elementDescription + "\n");
                        }
                    }
                } else {
                    if (("java.util.ArrayList")
                        .equals(xmlElementElement.getAttribute("container-type"))) {
                        // need properties for getXmlRootElementName(addType)
                        namespaceFilter.add(getXmlRootElementName(addType));
                        newPathParams =
                            new StringBuffer((pathParams == null ? "" : pathParams.toString())
                                + sbParameters.toString());
                        processJavaTypeElementSwagger(addType, getJavaTypeElementSwagger(addType),
                            pathSb, definitionsSb, path, tag == null ? useTag : tag, useOpId, null,
                            newPathParams, validEdges);
                        useName = getXmlRootElementName(addType);
                        sbProperties.append("      " + useName + ":\n");
                        if ( "relationship".equals(useName)) {
                            sbProperties.append("        type: object\n");
                            sbProperties.append("        $ref: \"#/definitions/relationship\"\n");
                            sbPropertiesPatch.append("        type: object\n");
                            sbPropertiesPatch.append("        $ref: \"#/definitions/relationship\"\n");
                            ++patchPropertyCnt;
                        } else {
		                    sbProperties.append("        type: array\n        items:          \n");
		                    sbProperties.append("          $ref: \"#/definitions/"
		                        + getXmlRootElementName(addType) + "\"\n");
		                    if (StringUtils.isNotEmpty(elementDescription)) {
		                        sbProperties
		                            .append("        description: " + elementDescription + "\n");
		                    }
                        }

                    } else {
                        // Make sure certain types added to the filter don't appear
                        if (nodeFilter.contains(getXmlRootElementName(addType))) {
                            ;
                        } else {
                            sbProperties.append("      " + getXmlRootElementName(addType) + ":\n");
                            sbProperties.append("        type: object\n");
                            sbProperties.append("        $ref: \"#/definitions/"
                                + getXmlRootElementName(addType) + "\"\n");
                        }
                    }
                    if (StringUtils.isNotEmpty(elementDescription)) {
                        sbProperties.append("        description: " + elementDescription + "\n");
                    }
                    ++propertyCnt;
                }
            }
        }

        if (sbParameters.toString().length() > 0) {
            if (pathParams == null) {
                pathParams = new StringBuffer();
            }
            pathParams.append(sbPathParameters);
        }
        GetOperation get = new GetOperation(useOpId, xmlRootElementName, tag, path,
            pathParams == null ? "" : pathParams.toString());
        pathSb.append(get.toString());
        logger.debug("opId vs useOpId:" + opId + " vs " + useOpId + " PathParams=" + pathParams);
        // add PUT
        PutOperation put = new PutOperation(useOpId, xmlRootElementName, tag, path,
            pathParams == null ? "" : pathParams.toString(), this.v);
        pathSb.append(put.toString());
        // add PATCH
        PatchOperation patch = new PatchOperation(useOpId, xmlRootElementName, tag, path,
            pathParams == null ? "" : pathParams.toString());
        patch.setPrefixForPatchRef(patchDefinePrefix);
        pathSb.append(patch.toString());
        // add DELETE
        DeleteOperation del = new DeleteOperation(useOpId, xmlRootElementName, tag, path,
            pathParams == null ? "" : pathParams.toString());
        pathSb.append(del.toString());
        if (generatedJavaType.containsKey(xmlRootElementName)) {
            logger.debug("xmlRootElementName(1)=" + xmlRootElementName);
            return null;
        }

        boolean processingInventoryDef = false;
        String dict = null;
        if (xmlRootElementName.equals("inventory")) {
            // inventory properties for each oxm to be concatenated
            processingInventoryDef = true;
            if (inventoryDefSb == null) {
                inventoryDefSb = new StringBuilder();
                definitionsSb.append("  " + xmlRootElementName + ":\n");
                definitionsLocalSb.append("  " + xmlRootElementName + ":\n");
                definitionsLocalSb.append("    properties:\n");
            }
        } else if (xmlRootElementName.equals("relationship")) {
            definitionsSb.append("  " + "relationship-dict" + ":\n");
            definitionsLocalSb.append("  " + "relationship-dict" + ":\n");
            dict = getDictionary(xmlRootElementName);
        } else {
            definitionsSb.append("  " + xmlRootElementName + ":\n");
            definitionsLocalSb.append("  " + xmlRootElementName + ":\n");
        }
        // Collection<EdgeDescription> edges = edgeRuleSet.getEdgeRules(xmlRootElementName );
        DeleteFootnoteSet footnotes = new DeleteFootnoteSet(xmlRootElementName);
        StringBuffer sbEdge = new StringBuffer();
        LinkedHashSet<String> preventDelete = new LinkedHashSet<String>();
        String prevent = null;
        String nodeCaption = new String("      ###### Related Nodes\n");
        try {
            EdgeRuleQuery q =
                new EdgeRuleQuery.Builder(xmlRootElementName).version(v).fromOnly().build();
            Multimap<String, EdgeRule> results = ei.getRules(q);
            SortedSet<String> ss = new TreeSet<String>(results.keySet());
            sbEdge.append(nodeCaption);
            nodeCaption = "";
            for (String key : ss) {
                results.get(key).stream()
                    .filter((i) -> (i.getFrom().equals(xmlRootElementName) && (!i.isPrivateEdge())))
                    .forEach((i) -> {
                        logger.info(new String(new StringBuffer("      - TO ").append(i.getTo())
                            .append(i.getDirection().toString()).append(i.getContains())));
                    });
                results.get(key).stream()
                    .filter((i) -> (i.getFrom().equals(xmlRootElementName) && (!i.isPrivateEdge())))
                    .forEach((i) -> {
                        sbEdge.append("      - TO " + i.getTo());
                        EdgeDescription ed = new EdgeDescription(i);
                        String footnote = ed.getAlsoDeleteFootnote(xmlRootElementName);
                        sbEdge.append(ed.getRelationshipDescription("TO", xmlRootElementName)
                            + footnote + "\n");
                        if (StringUtils.isNotEmpty(footnote)) {
                            footnotes.add(footnote);
                        }
                    });
                results.get(key).stream()
                    .filter((i) -> (i.getFrom().equals(xmlRootElementName)
                        && (!i.isPrivateEdge() && i.getPreventDelete().equals("OUT"))))
                    .forEach((i) -> {
                        preventDelete.add(i.getTo().toUpperCase());
                    });
            }
        } catch (Exception e) {
            logger.debug("xmlRootElementName: " + xmlRootElementName + " from edge exception\n", e);
        }
        try {
            EdgeRuleQuery q1 =
                new EdgeRuleQuery.Builder(xmlRootElementName).version(v).toOnly().build();
            Multimap<String, EdgeRule> results = ei.getRules(q1);
            SortedSet<String> ss = new TreeSet<String>(results.keySet());
            sbEdge.append(nodeCaption);
            for (String key : ss) {
                results.get(key).stream()
                    .filter((i) -> (i.getTo().equals(xmlRootElementName) && (!i.isPrivateEdge())))
                    .forEach((i) -> {
                        sbEdge.append("      - FROM " + i.getFrom());
                        EdgeDescription ed = new EdgeDescription(i);
                        String footnote = ed.getAlsoDeleteFootnote(xmlRootElementName);
                        sbEdge.append(ed.getRelationshipDescription("FROM", xmlRootElementName)
                            + footnote + "\n");
                        if (StringUtils.isNotEmpty(footnote)) {
                            footnotes.add(footnote);
                        }
                    });
                results.get(key).stream()
                    .filter((i) -> (i.getTo().equals(xmlRootElementName) && (!i.isPrivateEdge())))
                    .forEach((i) -> {
                        logger.info(new String(new StringBuffer("      - FROM ").append(i.getFrom())
                            .append(i.getDirection().toString()).append(i.getContains())));
                    });
                results.get(key).stream()
                    .filter((i) -> (i.getTo().equals(xmlRootElementName)
                        && (!i.isPrivateEdge() && i.getPreventDelete().equals("IN"))))
                    .forEach((i) -> {
                        preventDelete.add(i.getFrom().toUpperCase());
                    });
            }
        } catch (Exception e) {
            logger.debug("xmlRootElementName: " + xmlRootElementName + " to edge exception\n", e);
        }
        if (preventDelete.size() > 0) {
            prevent = xmlRootElementName.toUpperCase() + " cannot be deleted if related to "
                + String.join(",", preventDelete);
            logger.debug(prevent);
        }

        if (StringUtils.isNotEmpty(prevent)) {
            footnotes.add(prevent);
        }
        if (footnotes.footnotes.size() > 0) {
            sbEdge.append(footnotes.toString());
        }
        validEdges = sbEdge.toString();

        // Handle description property. Might have a description OR valid edges OR both OR neither.
        // Only put a description: tag if there is at least one.
        if (StringUtils.isNotEmpty(pathDescriptionProperty) || StringUtils.isNotEmpty(validEdges)) {
            definitionsSb.append("    description: |\n");
            definitionsLocalSb.append("    description: |\n");

            if (pathDescriptionProperty != null) {
                definitionsSb.append("      " + pathDescriptionProperty + "\n");
                definitionsLocalSb.append("      " + pathDescriptionProperty + "\n");    
            }
            if (StringUtils.isNotEmpty(validEdges) ) {
	            definitionsSb.append(validEdges);
	            definitionsLocalSb.append(validEdges);
            }
        }
        if ( patchPropertyCnt > 0 ) {
        	definitionsLocalPatchSb.append("  " + patchDefinePrefix + xmlRootElementName + ":\n");
        	if (StringUtils.isNotEmpty(pathDescriptionProperty) || StringUtils.isNotEmpty(validEdges)) {
        		definitionsLocalPatchSb.append("    description: |\n");
        	}
        	if (pathDescriptionProperty != null) {
        		definitionsLocalPatchSb.append("      " + pathDescriptionProperty + "\n");
        	}
        	if (StringUtils.isNotEmpty(validEdges) ) {
        		definitionsLocalPatchSb.append(validEdges);
        	}
            definitionsLocalPatchSb.append("    properties:\n");
        }

        if (requiredCnt > 0) {
            definitionsSb.append(sbRequired);
            definitionsLocalSb.append(sbRequired);
        }

        if (propertyCnt > 0) {
            definitionsSb.append("    properties:\n");
            definitionsSb.append(sbProperties);
            if (!processingInventoryDef) {
                definitionsLocalSb.append("    properties:\n");
            }
            definitionsLocalSb.append(sbProperties);
            definitionsLocalPatchSb.append(sbPropertiesPatch);
        }
        try {
            namespaceFilter.add(xmlRootElementName);
            if (xmlRootElementName.equals("inventory")) {
                // will add to javaTypeDefinitions at end
                inventoryDefSb.append(definitionsLocalSb.toString());
            } else if (xmlRootElementName.equals("relationship")) {
                javaTypeDefinitions.put(xmlRootElementName, dict);
                javaTypeDefinitions.put(xmlRootElementName + "-dict",
                    definitionsLocalSb.toString());
            } else {
                javaTypeDefinitions.put(xmlRootElementName, definitionsLocalSb.toString());
                if ( !"relationship-list".equals(xmlRootElementName)) {
                	javaTypeDefinitions.put(patchDefinePrefix + xmlRootElementName, definitionsLocalPatchSb.toString());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            logger.error("Exception adding in javaTypeDefinitions", e);
        }
        if (xmlRootElementName.equals("inventory")) {
            logger.trace("skip xmlRootElementName(2)=" + xmlRootElementName);
            return null;
        }
        generatedJavaType.put(xmlRootElementName, null);
        /*
         * if( validTag(javaTypeName) && javaTypeName == useTag && tag == null) {
         * String nameSpaceResult =
         * getDocumentHeader()+pathSb.toString()+appendDefinitions(namespaceFilter);
         * writeYAMLfile(javaTypeName, nameSpaceResult);
         * totalPathSbAccumulator.append(pathSb);
         * pathSb.delete(0, pathSb.length());
         * namespaceFilter.clear();
         * }
         */
        logger.trace("xmlRootElementName(2)=" + xmlRootElementName);
        return null;
    }

    private void writeYAMLfile(String outfileName, String fileContent) {
        outfileName = (StringUtils.isEmpty(outfileName)) ? "aai_swagger" : outfileName;
        outfileName = (outfileName.lastIndexOf(File.separator) == -1)
            ? yaml_dir + File.separator + outfileName + "_" + v.toString() + "." + generateTypeYAML
            : outfileName;
        File outfile = new File(outfileName);
        File parentDir = outfile.getParentFile();
        if (parentDir != null && !parentDir.exists()) {
            parentDir.mkdirs();
        }
        try {
            outfile.createNewFile();
        } catch (IOException e) {
            logger.error("Exception creating output file " + outfileName);
            e.printStackTrace();
        }
        try {
            Charset charset = Charset.forName("UTF-8");
            Path path = Paths.get(outfileName);
            try (BufferedWriter bw = Files.newBufferedWriter(path, charset)) {
                bw.write(fileContent);
            }
        } catch (IOException e) {
            logger.error("Exception writing output file " + outfileName);
            e.printStackTrace();
        }
    }

    public boolean validTag(String tag) {
        if (tag != null) {
            // set ignore to true to skip Actions and Search
            boolean topCheck = checkTopLevel(tag, true);
            if (topCheck) {
                return true;
            }
        }
        return false;
    }

}