/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright (c) 2019 Samsung
 * ================================================================================
 * 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.so.apihandler.common;

import java.io.IOException;
import javax.xml.bind.DatatypeConverter;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CamundaTaskClient extends RequestClient {
    private static Logger logger = LoggerFactory.getLogger(CamundaTaskClient.class);

    public CamundaTaskClient() {
        super(CommonConstants.CAMUNDATASK);
    }

    @Override
    public HttpResponse post(String jsonReq) throws IOException {
        HttpPost post = new HttpPost(url);
        logger.debug("Camunda Task url is: {}", url);

        StringEntity input = new StringEntity(jsonReq);
        input.setContentType(CommonConstants.CONTENT_TYPE_JSON);

        String encryptedCredentials;
        if (props != null) {
            encryptedCredentials = props.getProperty(CommonConstants.CAMUNDA_AUTH);
            if (encryptedCredentials != null) {
                String userCredentials = getEncryptedPropValue(encryptedCredentials, CommonConstants.DEFAULT_BPEL_AUTH,
                        props.getProperty(CommonConstants.ENCRYPTION_KEY_PROP));
                if (userCredentials != null) {
                    post.addHeader("Authorization",
                            "Basic " + DatatypeConverter.printBase64Binary(userCredentials.getBytes()));
                }
            }
        }

        post.setEntity(input);
        return client.execute(post);
    }

    @Override
    public HttpResponse post(String camundaReqXML, String requestId, String requestTimeout, String schemaVersion,
            String serviceInstanceId, String action) {
        throw new UnsupportedOperationException("Method not supported.");
    }

    @Override
    public HttpResponse post(RequestClientParameter params) {
        throw new UnsupportedOperationException("Method not supported.");
    }

    @Override
    public HttpResponse get() throws IOException {
        HttpGet get = new HttpGet(url);
        logger.debug("Camunda Task url is: {}", url);
        String encryptedCredentials;
        if (props != null) {
            encryptedCredentials = props.getProperty(CommonConstants.CAMUNDA_AUTH);
            if (encryptedCredentials != null) {
                String userCredentials = getEncryptedPropValue(encryptedCredentials, CommonConstants.DEFAULT_BPEL_AUTH,
                        props.getProperty(CommonConstants.ENCRYPTION_KEY_PROP));
                if (userCredentials != null) {
                    get.addHeader("Authorization",
                            "Basic " + new String(DatatypeConverter.printBase64Binary(userCredentials.getBytes())));
                }
            }
        }
        return client.execute(get);
    }

}