/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.clerezza.integrationtest.web.performance;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import org.apache.commons.codec.binary.Base64;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.clerezza.integrationtest.web.framework.WebTestCase;

/**
 * This test uses the HTTP PUT method in each iteration to generate a resource on the tested
 * instance and uses the HTTP GET method to retrieve and check that resource.
 * 
 * @scr.component
 * @scr.service 
 *              interface="org.apache.clerezza.integrationtest.web.framework.WebTestCase"
 * 
 * @author daniel
 * 
 * @since version 0.1
 */
public class PutAndGetBinaryContent implements WebTestCase {


    /**
     * Service property
     * 
     * @scr.property type="Integer" value="10" description=
     *                 "Specifies the number of threads to execute the run method. 
     *                 NOTE: This test creates two HTTP connections per iteration)"
     */
    public static final String THREAD_COUNT = "threadCount";

    /**
     * Service property
     * 
     * @scr.property value="admin" description=
     *               "Specifies the user name used in the authorization header."
     */
    public static final String USER_NAME = "user";
    private String username;

    /**
     * Service property
     * 
     * @scr.property value="admin" description=
     *               "Specifies the user password used in the authorization header."
     */
    public static final String USER_PASSWORD = "password";
    private String password;

    private static final int CONTENT_LENGTH = 1024;
    private static final byte[] content = new byte[CONTENT_LENGTH];
    private static final String CONTENT_TYPE = "application/x-clerezza-test";
    
    private String requestUri;
    private static final String RESOURCE_PATH = "/putandgetbinarycontenttest-";

    final Logger logger = LoggerFactory.getLogger(PutAndGetBinaryContent.class);

    protected void activate(ComponentContext componentContext) {
        username = (String) componentContext.getProperties().get(USER_NAME);
        password = (String) componentContext.getProperties().get(USER_PASSWORD);
    }

    @Override
    public void init(String testSubjectUriPrefix) {
        logger.info("Init " + getClass().getName());

        for (int i = 0; i < CONTENT_LENGTH; ++i) {
            content[i] = 1;
        }

        requestUri = testSubjectUriPrefix;

    }

    private void put() {
        try {
            URL url = new URL(requestUri + RESOURCE_PATH
                    + Thread.currentThread().getName());
            HttpURLConnection con = (HttpURLConnection) url.openConnection();
            try {
                con.setRequestMethod("PUT");
                con.setRequestProperty("Accept", "*/*");
                con.setRequestProperty("Content-Type", CONTENT_TYPE);
                con.setRequestProperty("Authorization", "Basic "
                        + new String(Base64
                                .encodeBase64((username + ":" + password)
                                        .getBytes())));
                con.setDoOutput(true);
                OutputStream os = con.getOutputStream();
                try {
                    os.write(content);
                } finally {
                    os.close();
                }

                int responseCode = con.getResponseCode();
                if (responseCode != 201 && responseCode != 202) {
                    throw new RuntimeException(getClass().getSimpleName()
                            + ": unexpected " + "response code: "
                            + responseCode);
                }
            } finally {
                con.disconnect();
            }
        } catch (MalformedURLException me) {
            throw new RuntimeException(me);
        } catch (IOException ioe) {
            throw new RuntimeException(ioe);
        }
    }

    private void get() {
        try {
            URL url = new URL(requestUri + RESOURCE_PATH
                    + Thread.currentThread().getName());
            HttpURLConnection con = (HttpURLConnection) url.openConnection();
            try {
                con.setRequestMethod("GET");
                con.setRequestProperty("Accept", "*/*");
                con.setRequestProperty("Content-Type", CONTENT_TYPE);
                con.setRequestProperty("Authorization", "Basic "
                        + new String(Base64
                                .encodeBase64((username + ":" + password)
                                        .getBytes())));
                con.setDoInput(true);

                int responseCode = con.getResponseCode();
                if (responseCode != 200) {
                    throw new RuntimeException(getClass().getSimpleName()
                            + ": unexpected " + "response code: "
                            + responseCode);
                }

                InputStream inputStream = con.getInputStream();
                try {
                    int byteData;
                    int ctr = 0;
                    while ((byteData = inputStream.read()) != -1) {
                        if (byteData != 1) {
                            throw new RuntimeException(getClass()
                                    .getSimpleName()
                                    + ": Read data does not match input data.");
                        }
                        ++ctr;
                    }
                    if (ctr != CONTENT_LENGTH) {
                        throw new RuntimeException(getClass().getSimpleName()
                                + ": Content length does not match.");
                    }
                } finally {
                    inputStream.close();
                }
            } finally {
                con.disconnect();
            }
        } catch (MalformedURLException me) {
            me.printStackTrace();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }

    @Override
    public void run() {
        put();
        get();
    }

    @Override
    public boolean multiThreadingCapable() {
        return true;
    }
}