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/*-
 * ============LICENSE_START=======================================================
 * org.openecomp.aai
 * ================================================================================
 * 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.aai.util;

import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;

import javax.ws.rs.core.UriBuilder;

import org.openecomp.aai.exceptions.AAIException;

public class Request<T> {

	public static final String V2 = "v2";
	public static final String V3 = "v3";
	public static final String V4 = "v4";
	public static final String V5 = "v5";
	public final String fromAppId;
	public final String transactionId;
	public final String path;
	public final RestObject<T> restObj;
	public final boolean oldServer;
	public final String apiVersion;
	
	
	/**
	 * Instantiates a new request.
	 *
	 * @param builder the builder
	 */
	public Request(RequestBuilder<T> builder) {
		
		fromAppId = builder.fromAppId;
		transactionId = builder.transactionId;
		restObj = builder.restObj;
		oldServer = builder.oldServer;
		apiVersion = builder.apiVersion;
		
		if (!oldServer) {
			path = apiVersion + "/" + builder.path;
		} else {
			path = builder.path;
		}
		
		
	}
	
	public static class RequestBuilder<T> {
		private String fromAppId;
		private String transactionId;
		private String path;
		private RestObject<T> restObj;
		private boolean oldServer;
		private String apiVersion = Request.V4;
		

		/**
		 * Sets the from app id.
		 *
		 * @param fromAppId the from app id
		 * @return the request builder
		 */
		public RequestBuilder<T> setFromAppId(String fromAppId) {
			this.fromAppId = fromAppId;
			return this;
		}
		
		/**
		 * Sets the transaction id.
		 *
		 * @param transactionId the transaction id
		 * @return the request builder
		 */
		public RequestBuilder<T> setTransactionId(String transactionId) {
			this.transactionId = transactionId;
			return this;

		}
		
		/**
		 * Sets the path.
		 *
		 * @param path the path
		 * @return the request builder
		 */
		public RequestBuilder<T> setPath(String path) {
			
			this.path = path;
			return this;

		}
		
		/**
		 * Sets the rest obj.
		 *
		 * @param restObj the rest obj
		 * @return the request builder
		 */
		public RequestBuilder<T> setRestObj(RestObject<T> restObj) {
			this.restObj = restObj;
			return this;

		}
		
		/**
		 * Sets the old server.
		 *
		 * @param oldServer the old server
		 * @return the request builder
		 */
		public RequestBuilder<T> setOldServer(boolean oldServer) {
			this.oldServer = oldServer;
			return this;

		}
		
		/**
		 * Sets the api version.
		 *
		 * @param apiVersion the api version
		 * @return the request builder
		 */
		public RequestBuilder<T> setApiVersion(String apiVersion) {
			this.apiVersion = apiVersion;
			return this;
		}
		
		/**
		 * Builds the.
		 *
		 * @return the request
		 */
		public Request<T> build() {
			return new Request<T>(this);
		}
		
	}
	
}