/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */
package org.openoffice;

import helper.ClParser;

import java.util.Enumeration;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;

import lib.TestParameters;
import util.DynamicClassLoader;
import base.TestBase;

/**
 * The main class, will call ClParser and CfgParser to <br>
 * fill the TestParameters.<br>
 * Will then call the appropriate Testbase to run the tests.
 */
public class Runner
{

    private static String beautifyTime(long _nTime)
    {
        long sec = (_nTime / 1000) % 60;
        long min = (_nTime / (60 * 1000)) % 60;
        long hour = _nTime / (60 * 60 * 1000);
        StringBuffer aTime = new StringBuffer();
        aTime.append(helper.StringHelper.createValueString((int) hour, 2)).
                append(':').
                append(helper.StringHelper.createValueString((int) min, 2)).
                append(':').
                append(helper.StringHelper.createValueString((int) sec, 2));
        return aTime.toString();
    }

    /**
     * Helper to check if there are problems with Cygwin Path variables.
     */
    private static boolean checkVariableForCygwin(String _sVariable)
    {
        if (_sVariable == null)
        {
            return false;
        }
        return _sVariable.startsWith("/cygdrive");
    }

    private static boolean checkPathVariable(String _sPath, String delim)
    {
        String sPath = System.getProperty(_sPath);
        if (sPath != null)
        {
            StringTokenizer aTokenEnum = new StringTokenizer(sPath, delim);
            while (aTokenEnum.hasMoreElements())
            {
                String sToken = (String) aTokenEnum.nextElement();
                if (checkVariableForCygwin(sToken))
                {
                    System.err.println("ERROR: OOoRunner detect cygwin path in '" + _sPath + "'");
                    return true;
                }
            }
        }
        return false;
    }

    private static void checkAllVariablesForCygwinPath(TestParameters _aParams)
    {
        // ----- check all System.getProperty(key) variables -----
        String sOsName = System.getProperty("os.name");
        if (!sOsName.toLowerCase().startsWith("windows"))
        {
            // we need to check only on windows
            return;
        }

        Properties aProps = System.getProperties();
        Enumeration<?> aEnum = aProps.propertyNames();
        // Enumeration aEnum = aProps.elements();        // these are only the values
        boolean bEmergencyStop = false;

        while (aEnum.hasMoreElements())
        {
            String sKey = (String) aEnum.nextElement();
            String sValue = System.getProperty(sKey);

            if (checkVariableForCygwin(sValue))
            {
                System.err.println("ERROR: OOoRunner detect cygwin path in '" + sKey + ":=" + sValue + "'");
                bEmergencyStop = true;
            }
        }

        // ----- check path variables separately -----
        String sDelim = System.getProperty("path.separator");
        bEmergencyStop |= checkPathVariable("java.library.path", sDelim);
        bEmergencyStop |= checkPathVariable("java.class.path", sDelim);
        bEmergencyStop |= checkPathVariable("sun.boot.class.path", sDelim);

        // ----- check all TestParameters -----
        for (Map.Entry<String, Object> entry : _aParams.entrySet())
        {
            String sKey = entry.getKey();
            if (entry.getValue() instanceof String)
            {
                String sValue = (String) entry.getValue();

                if (checkVariableForCygwin(sValue))
                {
                    System.err.println("ERROR: OOoRunner detect cygwin path in '" + sKey + ":=" + sValue + "'");
                    bEmergencyStop = true;
                }
            }
        }

        if (bEmergencyStop)
        {
            System.exit(-1);
        }
    }

    public static boolean run(String... args) throws Exception
    {
        System.out.println("OOoRunner Main() version from 20101118 (yyyymmdd)");

        final long nStartTime = System.currentTimeMillis();

        DynamicClassLoader dcl = new DynamicClassLoader();

        // get a class for test parameters
        TestParameters param = new TestParameters();

        ClParser cli = new ClParser();

        //parse the commandline arguments
        // TODO: no right error message, if no parameter given!
        cli.getCommandLineParameter(param, args);

        Object tj = param.get("TestJob");

        if (tj == null)
        {
            System.out.println("==========================================================================");
            System.out.println("No TestJob given, please make sure that you ");
            System.out.println("a.) called the OOoRunner with the parameter -o <job> or -sce <scenarioFile>");
            System.out.println("or");
            System.out.println("b.) have an entry called TestJob in your used properties file");
            System.out.println("==========================================================================");
            System.exit(-1);
        }

        System.out.println("TestJob: " + tj);
        String sName = "base." + (String) param.get("TestBase");
        TestBase toExecute = (TestBase) dcl.getInstance(sName);

        checkAllVariablesForCygwinPath(param);

        boolean worked = toExecute.executeTest(param);
        final long nTime = System.currentTimeMillis() - nStartTime;
        final String sBeautifyTime = beautifyTime(nTime);

        System.out.println("Job run took: " + nTime + "ms " + " [" + sBeautifyTime + "]");

        if (!worked)
        {
            System.out.println("Job " + param.get("TestJob") + " failed");
        }
        else
        {
            System.out.println("Job " + param.get("TestJob") + " done");
        }
        return worked;
    }

    public static void main(String[] args) throws Exception
    {
        System.exit(run(args) ? 0 : -1);
    }
}