/*******************************************************************************
 *  ============LICENSE_START=======================================================
 *  org.onap.dmaap
 *  ================================================================================
 *  Copyright © 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=========================================================
 *
 *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
 *
 *******************************************************************************/
package org.onap.dmaap.mr.client.impl;

import java.util.Properties;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.apache.connector.ApacheConnectorProvider;
import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.client.ClientProperties;
import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;

public class DmaapClientUtil {

	private static final String MR_AUTH_CONSTANT = "X-CambriaAuth";
	private static final String MR_DATE_CONSTANT = "X-CambriaDate";
	private static final String[] httpClientProperties = { ClientProperties.CONNECT_TIMEOUT,
			ClientProperties.READ_TIMEOUT, ClientProperties.PROXY_USERNAME, ClientProperties.PROXY_PASSWORD,
			ClientProperties.PROXY_URI };

	public static ClientConfig getClientConfig(Properties properties) {
		ClientConfig config = new ClientConfig();
		if (properties != null && !properties.isEmpty()) {
			setHttpClientProperties(config, properties);
		}
		return config;
	}

	private static void setHttpClientProperties(ClientConfig config, Properties properties) {
		for (int i = 0; i < httpClientProperties.length; i++) {
			if ((properties.getProperty(httpClientProperties[i]) != null)) {
				config.property(httpClientProperties[i], properties.getProperty(httpClientProperties[i]));
			}
		}
		if ((properties.getProperty(ClientProperties.PROXY_URI) != null) &&
		        !(properties.getProperty(ClientProperties.PROXY_URI).isEmpty())) {
		    config.connectorProvider(new ApacheConnectorProvider());
		} // else the default connectorProvider (HttpConnectorProvider) will be used

	}

	public static WebTarget getTarget(ClientConfig config, final String path, final String username,
			final String password) {
		Client client = null;
		if (config != null) {
			client = ClientBuilder.newClient(config);
		} else {
			client = ClientBuilder.newClient();
		}
		HttpAuthenticationFeature feature = HttpAuthenticationFeature.universal(username, password);
		client.register(feature);

		return client.target(path);
	}

	public static WebTarget getTarget(ClientConfig config, final String path) {

		Client client = null;
		if (config != null&&config.getProperties().size()>0) {
			client = ClientBuilder.newClient(config);
		} else {
			client = ClientBuilder.newClient();
		}
		return client.target(path);
	}

	public static Response getResponsewtCambriaAuth(WebTarget target, String username, String password) {
		return target.request().header(MR_AUTH_CONSTANT, username).header(MR_DATE_CONSTANT, password).get();

	}

	public static Response postResponsewtCambriaAuth(WebTarget target, String username, String password, byte[] data,
			String contentType) {
		return target.request().header(MR_AUTH_CONSTANT, username).header(MR_DATE_CONSTANT, password)
				.post(Entity.entity(data, contentType));

	}

	public static Response getResponsewtBasicAuth(WebTarget target, String authHeader) {

		return target.request().header("Authorization", "Basic " + authHeader).get();

	}

	public static Response postResponsewtBasicAuth(WebTarget target, String authHeader, byte[] data,
			String contentType) {

		return target.request().header("Authorization", "Basic " + authHeader).post(Entity.entity(data, contentType));

	}

	public static Response getResponsewtNoAuth(WebTarget target) {

		return target.request().get();

	}

	public static Response postResponsewtNoAuth(WebTarget target, byte[] data, String contentType) {
		return target.request().post(Entity.entity(data, contentType));

	}

}