/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright © 2018 IBM.
 * ================================================================================
 * 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 org.apache.commons.lang3.StringUtils;
import org.onap.aai.setup.SchemaVersion;
import org.onap.aai.schemagen.GenerateXsd;

public class PutOperation {
    public static final String RELATIONSHIP = "relationship";
    private String useOpId;
    private String xmlRootElementName;
    private String tag;
    private String path;
    private String pathParams;
    private SchemaVersion version;
    private String basePath;

        public PutOperation(String useOpId, String xmlRootElementName, String tag, String path, 
        		String pathParams, SchemaVersion v, String basePath) {
            super();
            this.useOpId = useOpId;
            this.xmlRootElementName = xmlRootElementName;
            this.tag = tag;
            this.path = path;
            this.pathParams = pathParams;
            this.version = v;
            this.basePath = basePath;
        }

        @Override
        public String toString() {
            //a valid tag is necessary
            if ( StringUtils.isEmpty(tag) ) {
                return "";
            }
            //All Put operation paths end with "relationship"
            //or there is a parameter at the end of the path
            //and there is a parameter in the path
            if ( path.contains("/"+RELATIONSHIP+"/") ) { // filter paths with relationship-list
                return "";
            }
            if ( path.endsWith("/"+RELATIONSHIP+"-list")) {
                return "";
            }
            if ( !path.endsWith("/"+RELATIONSHIP)  &&  !path.endsWith("}") ) {
                return "";
            }
            if ( path.startsWith("/search")) {
                return "";
            }
            StringBuffer pathSb = new StringBuffer();
            StringBuffer relationshipExamplesSb = new StringBuffer();
            if ( path.endsWith("/"+RELATIONSHIP) ) {
                pathSb.append("  " + path + ":\n" );
            }
            pathSb.append("    put:\n");
            pathSb.append("      tags:\n");
            pathSb.append("        - " + tag + "\n");

            if ( path.endsWith("/"+RELATIONSHIP) ) {
                pathSb.append("      summary: see node definition for valid relationships\n");
            } else {
                pathSb.append("      summary: create or update an existing " + xmlRootElementName + "\n");
                pathSb.append("      description: |\n        Create or update an existing " + xmlRootElementName + ".\n        #\n        Note! This PUT method has a corresponding PATCH method that can be used to update just a few of the fields of an existing object, rather than a full object replacement.  An example can be found in the [PATCH section] below\n");
            }
            relationshipExamplesSb.append("[Valid relationship examples shown here](apidocs" + basePath + "/relations/"+version.toString()+"/"+useOpId.replace("RelationshipListRelationship", "")+".json)");
            pathSb.append("      operationId: createOrUpdate" + useOpId + "\n");
            pathSb.append("      consumes:\n");
            pathSb.append("        - application/json\n");
            pathSb.append("        - application/xml\n");
            pathSb.append("      produces:\n");
            pathSb.append("        - application/json\n");
            pathSb.append("        - application/xml\n");
            pathSb.append("      responses:\n");
            pathSb.append("        \"default\":\n");
            pathSb.append("          " + GenerateXsd.getResponsesUrl());

            pathSb.append("      parameters:\n");
            pathSb.append(pathParams); // for nesting
            pathSb.append("        - name: body\n");
            pathSb.append("          in: body\n");
            pathSb.append("          description: " + xmlRootElementName + " object that needs to be created or updated. "+relationshipExamplesSb.toString()+"\n");
            pathSb.append("          required: true\n");
            pathSb.append("          schema:\n");
            String useElement = xmlRootElementName;
            if ( xmlRootElementName.equals("relationship")) {
            	useElement += "-dict";
            }
            pathSb.append("            $ref: \"#/definitions/" + useElement + "\"\n");
            this.tagRelationshipPathMapEntry();
            return pathSb.toString();
        }

        public String tagRelationshipPathMapEntry() {
            if ( path.endsWith("/"+RELATIONSHIP) ) {
                PutRelationPathSet.add(useOpId, path);
            }
            return "";
        }

    }