/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.core.testUtil;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;

import ch.qos.logback.core.util.CoreTestConstants;

public class EnvUtilForTests {

    static public boolean isWindows() {
        return System.getProperty("os.name").indexOf("Windows") != -1;
    }

    static public boolean isMac() {
        return System.getProperty("os.name").indexOf("Mac") != -1;
    }

    static public boolean isLinux() {
        return System.getProperty("os.name").indexOf("Linux") != -1;
    }

    static public boolean isRunningOnSlowJenkins() {
        return System.getProperty(CoreTestConstants.SLOW_JENKINS) != null;
    }

    static public String getLocalHostName() {
        InetAddress localhostIA;
        try {
            localhostIA = InetAddress.getLocalHost();
            return localhostIA.getHostName();
        } catch (UnknownHostException e) {
            return null;
        }
    }

    static public boolean isLocalHostNameInList(String[] hostList) {
        String localHostName = getLocalHostName();
        if (localHostName == null) {
            return false;
        }
        for (String host : hostList) {
            if (host.equalsIgnoreCase(localHostName)) {
                return true;
            }
        }
        return false;
    }

    public static String getPathToBash() {
        if (EnvUtilForTests.isLinux()) {
            return CoreTestConstants.BASH_PATH_ON_LINUX;
        }
        if (EnvUtilForTests.isLocalHostNameInList(new String[] { "hetz", "het" })) {
            return CoreTestConstants.BASH_PATH_ON_CYGWIN;
        }
        return null;
    }
}