/********************************************************************************
 * CruiseControl, a Continuous Integration Toolkit
 * Copyright (c) 2001, ThoughtWorks, Inc.
 * 200 E. Randolph, 25th Floor
 * Chicago, IL 60601 USA
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 *     + Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     + Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *
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 *       names of its contributors may be used to endorse or promote
 *       products derived from this software without specific prior
 *       written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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package net.sourceforge.cruisecontrol.publishers;

import net.sourceforge.cruisecontrol.CruiseControlException;
import net.sourceforge.cruisecontrol.util.XMLLogHelper;
import org.apache.log4j.Logger;

import java.io.File;

/**
 *  Concrete implementation of the <code>EmailPublisher</code> abstract class.  This class handles the simplest
 *  implementation where the message body is just a link to a web page detailing the build.
 *
 *  @author alden almagro, ThoughtWorks, Inc. 2002
 */
public class LinkEmailPublisher extends EmailPublisher {

    private static final Logger LOG = Logger.getLogger(LinkEmailPublisher.class);

    /**
     *  Creates the email message body.  This implementation of <code>EmailPublisher</code> just creates a message
     *  that is a link to a web page with the details of the build.
     *
     *  @return <code>String</code> the link that makes up the body of the email message
     */
    protected String createMessage(XMLLogHelper logHelper) {
        String logFileName = "";
        try {
            logFileName = logHelper.getLogFileName();
        } catch (CruiseControlException e) {
            LOG.error("", e);
        }
        String baseLogFileName =
            logFileName.substring(
                logFileName.lastIndexOf(File.separator) + 1,
                logFileName.lastIndexOf("."));

        StringBuffer message = new StringBuffer();
        message.append("View results here -> ");

        String buildResultsURL = getBuildResultsURL();
        message.append(buildResultsURL);

        // New dashboard uses a different URL format
        if (buildResultsURL.indexOf("dashboard") == -1) {
            if (buildResultsURL.indexOf("?") == -1) {
                message.append("?");
            } else {
                message.append("&");
            }

            message.append("log=");
            message.append(baseLogFileName);
        } else {
            message.append("/");
            if (baseLogFileName.indexOf("log") == 0) {
                String temp = baseLogFileName.substring(3);
                int n;
                for (n = 0; n < temp.length(); n++) {
                    if (!Character.isDigit(temp.charAt(n))) {
                        temp = temp.substring(0, n);
                        break;
                    }
                }
                message.append(temp);
            } else {
                message.append(baseLogFileName);
            }
        }

        return message.toString();
    }
}