/**
 * ============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 org.apache.commons.lang3.StringUtils;
import org.onap.aai.schemagen.GenerateXsd;

import java.util.*;

public class NodeGetOperation {
	static Map<String, Vector<String>> containers = new HashMap<String, Vector<String>>();
	static ArrayList<String> checklist = createChecklist();
    private static ArrayList<String> createChecklist()
    {
    	ArrayList<String> list = new ArrayList<String>();
    	return list;
    }
	public static void addContainerProps(String container, Vector<String> containerProps) {
		containers.put(container, containerProps);
	}
	public static void resetContainers() {
		containers = new HashMap<String, Vector<String>>();
		checklist = createChecklist();
	}
	private String useOpId;
	private String xmlRootElementName;
	private String tag;
	private String path;
	private String CRUDpath;
	private String pathParams;
	private String queryParams;

		public NodeGetOperation(String useOpId, String xmlRootElementName, String tag, String path, String pathParams) {
			super();
			this.useOpId = useOpId;
			this.xmlRootElementName = xmlRootElementName;
			this.tag = tag;
			this.CRUDpath = path;
			this.path = nodePath();
			this.pathParams = pathParams;
			StringBuilder p = new StringBuilder();

			if(containers.get(xmlRootElementName) == null) {
				this.queryParams = "";
			} else {
				this.queryParams= String.join("", containers.get(xmlRootElementName));
				for(String param : containers.get(xmlRootElementName)) {
					p.append(param);
				}
				this.queryParams = p.toString();
			}
		}
		String nodePath() {
			String path = null;
			int loc = CRUDpath.indexOf(xmlRootElementName);
			if(loc > 0) {
				path = "/nodes/"+CRUDpath.substring(loc);
			}
			return path;
		}
		@Override
		public String toString() {
			StringTokenizer st;
			st = new StringTokenizer(CRUDpath, "/");
			//Path has to be longer than one element
			/*
			if ( st.countTokens() <= 1) {
				return "";
			}
			*/
			//a valid tag is necessary
			if ( StringUtils.isEmpty(tag) ) {
				return "";
			}
			if ( CRUDpath.endsWith("/relationship") ) {
				return "";
			}
			if ( CRUDpath.contains("/relationship/") ) { // filter paths with relationship-list
				return "";
			}
			if ( CRUDpath.endsWith("/relationship-list")) {
				return "";
			}
			if ( CRUDpath.startsWith("/search")) {
				return "";
			}
			if ( CRUDpath.startsWith("/actions")) {
				return "";
			}
			if ( CRUDpath.startsWith("/nodes")) {
				return "";
			}
			if (checklist.contains(xmlRootElementName)) {
				return "";
			}
			StringBuffer pathSb = new StringBuffer();
			if(path.indexOf('{') == -1) {
				path += "?parameter=value[&parameter2=value2]";
			}
			pathSb.append("  " + path + ":\n" );
			pathSb.append("    get:\n");
			pathSb.append("      tags:\n");
			pathSb.append("        - Operations" + "\n");
			pathSb.append("      summary: returns " + xmlRootElementName + "\n");

			pathSb.append("      description: returns " + xmlRootElementName + "\n");
			pathSb.append("      operationId: get" + useOpId + "\n");
			pathSb.append("      produces:\n");
			pathSb.append("        - application/json\n");
			pathSb.append("        - application/xml\n");

			pathSb.append("      responses:\n");
			pathSb.append("        \"200\":\n");
			pathSb.append("          description: successful operation\n");
			pathSb.append("          schema:\n");
			pathSb.append("              $ref: \"#/definitions/" + xmlRootElementName + "\"\n");
			pathSb.append("        \"default\":\n");
			pathSb.append("          " + GenerateXsd.getResponsesUrl());
			if ( StringUtils.isNotEmpty(pathParams) || StringUtils.isNotEmpty(queryParams)) {
				pathSb.append("\n      parameters:\n");
			}
			if ( StringUtils.isNotEmpty(pathParams)) {
				pathSb.append(pathParams);
			}
			if ( StringUtils.isNotEmpty(pathParams) && StringUtils.isNotEmpty(queryParams)) {
				pathSb.append("\n");
			}
			if ( StringUtils.isNotEmpty(queryParams)) {
				pathSb.append(queryParams);
			}
			checklist.add(xmlRootElementName);
			return pathSb.toString();
		}
	}