/**
 *
 * Copyright (c) 2006-2017, Speedment, Inc. 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.
 */
package com.speedment.runtime.core.internal.util;

import com.speedment.common.json.Json;
import com.speedment.common.logger.Logger;
import com.speedment.common.logger.LoggerManager;
import com.speedment.runtime.config.Dbms;
import com.speedment.runtime.config.Project;
import com.speedment.runtime.core.component.InfoComponent;
import com.speedment.runtime.core.component.ProjectComponent;
import com.speedment.runtime.core.internal.util.testing.TestSettings;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

import static java.util.Objects.requireNonNull;
import static java.util.stream.Collectors.toList;

/**
 * Utility class for reporting events to the statistics manager.
 *
 * @author Emil Forslund
 */
public final class Statistics {

    public enum Event {

        GUI_STARTED        ("gui-started"),
        GUI_PROJECT_LOADED ("gui-project-loaded"),
        GENERATE           ("generate"),
        NODE_STARTED       ("node-started"),
        NODE_ALIVE         ("node-alive"),
        NODE_STOPPED       ("node-stopped");

        private final String eventName;

        Event(String eventName) {
            this.eventName = eventName;
        }
    }

    private final static Logger LOGGER   = LoggerManager.getLogger(Statistics.class);
    private final static String PING_URL = "https://api.speedment.com:9020/stats";

    public static void report(final InfoComponent info,
                              final ProjectComponent projects,
                              final Event event) {

        requireNonNull(info);
        requireNonNull(projects);
        requireNonNull(event);

        if (TestSettings.isTestMode()) {
            return;
        }

        final Project project = projects.getProject();
        final Map<String, Object> ping = new HashMap<>();

        ping.put("userId", InternalEmailUtil.getUserId().toString());
        ping.put("appId", project.getAppId());
        ping.put("eventType", event.eventName);
        ping.put("productName", info.getTitle());
        ping.put("productVersion", info.getImplementationVersion());
        ping.put("databases", project.dbmses()
            .map(Dbms::getTypeName)
            .distinct()
            .collect(toList())
        );
        ping.put("emailAddress", InternalEmailUtil.getEmail());
        ping.put("computerName", System.getProperty("user.dir"));
        ping.put("dateStarted", STARTED);

        sendPostRequest(PING_URL, Json.toJson(ping));
    }
    private static void sendPostRequest(final String url, String data) {
        if (!TestSettings.isTestMode()) { // Wolkswagen Pattern

            CompletableFuture.runAsync(() -> {
                try {
                    final HttpURLConnection con = (HttpURLConnection)
                        new URL(url).openConnection();

                    con.setRequestMethod("POST");
                    con.setRequestProperty("Content-Type", "application/json;charset=UTF-8");

                    con.setUseCaches(false);
                    con.setAllowUserInteraction(false);
                    con.setDoOutput(true);

                    con.connect();
                    try (final OutputStream out = con.getOutputStream()) {
                        out.write(data.getBytes(StandardCharsets.UTF_8));
                        out.flush();
                    }

                    int status = getResponseCodeFrom(con);
                    final String text;

                    try (final BufferedReader rd = new BufferedReader(
                        new InputStreamReader(status >= 400
                            ? con.getErrorStream()
                            : con.getInputStream()))) {

                        final StringBuilder sb = new StringBuilder();
                        String line;
                        while ((line = rd.readLine()) != null) {
                            sb.append(line);
                        }

                        text = sb.toString();
                    }

                    LOGGER.debug("Statistics response %d: %s", status, text);
                } catch (final IOException ex) {
                    LOGGER.debug(ex);
                }
            });
        }
    }

    private static int getResponseCodeFrom(final HttpURLConnection conn)
    throws IOException {
        try {
            return conn.getResponseCode();
        } catch (final FileNotFoundException ex) {
            return 404;
        }
    }

    private static final long STARTED =
        Instant.now(Clock.system(ZoneId.of("UTC"))).getEpochSecond();

    /**
     * Utility classes should not be instantiated.
     */
    private Statistics() {
        throw new UnsupportedOperationException();
    }
}

@@ -1135,24 +1135,53 @@
 Connection;%0A
+import java.net.InetAddress;%0A
 import java.
@@ -1189,16 +1189,16 @@
 et.URL;%0A
-
 import j
@@ -1350,24 +1350,51 @@
 a.util.Map;%0A
+import java.util.Optional;%0A
 import java.
@@ -3246,37 +3246,24 @@
 e%22, 
-System.getProperty(%22user.dir%22
+getComputerName(
 ));%0A
@@ -5062,24 +5062,24 @@
           %7D%0A
-
             
@@ -5091,32 +5091,438 @@
        %7D%0A    %7D%0A%0A
+    private static String getComputerName() %7B%0A        try %7B%0A            return InetAddress.getLocalHost().getHostName();%0A        %7D catch (final Exception ex) %7B // Ignore exception.%0A            return Optional.ofNullable(System.getenv(%22COMPUTERNAME%22))%0A                .orElseGet(() -%3E Optional.ofNullable(System.getenv(%22HOSTNAME%22))%0A                    .orElse(%22unknown%22)%0A                );%0A        %7D%0A    %7D%0A%0A
     private stat

Use computer name instead of home path in statistics