/******************************************************************************
 * Copyright: GPL v3                                                          *
 *                                                                            *
 * This program is free software: you can redistribute it and/or modify       *
 * it under the terms of the GNU General Public License as published by       *
 * the Free Software Foundation, either version 3 of the License, or          *
 * (at your option) any later version.                                        *
 *                                                                            *
 * This program is distributed in the hope that it will be useful,            *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
 * GNU General Public License for more details.                               *
 *                                                                            *
 * You should have received a copy of the GNU General Public License          *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.      *
 ******************************************************************************/

package dbaCore.logging;


import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;

/**
 * This custom formatter formats parts of a log record to a single line
 *
 * @author Andreas Freitag
 */
class MyHtmlFormatter extends Formatter
{
  @Override
  public String format(LogRecord rec)
  {
    StringBuffer buf = new StringBuffer(1000);
    // Bold any levels >= WARNING
    buf.append("<tr>");
    buf.append("<td>");

    if (rec.getLevel().intValue() >= Level.WARNING.intValue())
    {
      buf.append("<b>");
      buf.append(rec.getLevel());
      buf.append("</b>");
    } else
    {
      buf.append(rec.getLevel());
    }
    buf.append("</td>");
    buf.append("<td>");
    buf.append(calcDate(rec.getMillis()));
    buf.append("</td>");
    buf.append("<td>");
    buf.append(formatMessage(rec));
    buf.append("</td>");
    buf.append("<td>");
    String s;
    if(rec.getSourceMethodName().equalsIgnoreCase("<init>")) {
      s = "init";
    } else {
      s = rec.getSourceMethodName();
    }
    buf.append(rec.getSourceClassName() + " <" + s + ">");
    buf.append("</td>");
    buf.append("</tr>\n");
    return buf.toString();
  }

  private String calcDate(long millisecs)
  {
    SimpleDateFormat date_format = new SimpleDateFormat("MMM dd,yyyy HH:mm");
    Date resultdate = new Date(millisecs);
    return date_format.format(resultdate);
  }

  @Override
  public String getHead(Handler h) {
    return "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\n\"http://www.w3.org/TR/html4/strict.dtd\">\n"
+    "<HTML>\n<HEAD>\n" + "<meta charset=\"utf-8\">\n"
      + "\n</HEAD>\n<BODY>" + "<p>" +(new Date())+ "</p>" +"\n<PRE>\n"
      + "<table width=\"100%\" border>\n  "
      + "<tr><th>Level</th>" +
      "<th>Time</th>" +
      "<th>Log Message</th>" + "<th>Class</th>" +
      "</tr>\n";
  }

  @Override
  public String getTail(Handler h)
  {
    return "</table>\n  </PRE></BODY>\n</HTML>\n";
  }
}