/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.tools.logging.log4j2;
  
  import java.io.File;
  import java.nio.file.Path;
  
  import psiprobe.tools.logging.AbstractLogDestination;
  
  /**
   * The Class Log4J2AppenderAccessor.
   */
  public class Log4J2AppenderAccessor extends AbstractLogDestination {
  
    /** The logger accessor. */
    private Log4J2LoggerConfigAccessor loggerAccessor;
  
    /**
     * Gets the logger accessor.
     *
     * @return the logger accessor
     */
    public Log4J2LoggerConfigAccessor getLoggerAccessor() {
      return loggerAccessor;
    }
  
    /**
     * Sets the logger accessor.
     *
     * @param loggerAccessor the new logger accessor
     */
    public void setLoggerAccessor(Log4J2LoggerConfigAccessor loggerAccessor) {
      this.loggerAccessor = loggerAccessor;
    }
  
    @Override
    public boolean isContext() {
      return getLoggerAccessor().isContext();
    }
  
    @Override
    public boolean isRoot() {
      return getLoggerAccessor().isRoot();
    }
  
    @Override
    public String getName() {
      return getLoggerAccessor().getName();
    }
  
    @Override
    public String getLogType() {
      return "log4j2";
    }
  
    @Override
    public String getIndex() {
      return (String) invokeMethod(getTarget(), "getName", null, null);
    }
  
    @Override
    public String getConversionPattern() {
      Object layout = invokeMethod(getTarget(), "getLayout", null, null);
      if (layout != null && "org.apache.logging.log4j.core.layout.PatternLayout"
          .equals(layout.getClass().getName())) {
        return (String) invokeMethod(layout, "getConversionPattern", null, null);
      }
      return null;
    }
  
    @Override
    public File getFile() {
      String fileName = (String) getProperty(getTarget(), "fileName", null);
      if (fileName != null) {
        return Path.of(fileName).toFile();
      }
      // Check for SMTPAppender information
      File result = null;
      if ("org.apache.logging.log4j.core.appender.SmtpAppender"
          .equals(getTarget().getClass().getName())) {
        Object smtpManager = getProperty(getTarget(), "manager", null, true);
        Object factoryData = getProperty(smtpManager, "data", null, true);
        Object cc = getProperty(factoryData, "cc", null, true);
        Object bcc = getProperty(factoryData, "bcc", null, true);
        Object from = getProperty(factoryData, "from", null, true);
        Object subjectSerializer = getProperty(factoryData, "subject", null, true);
        String subject = null;
        if (subjectSerializer != null) {
          Object[] subjectFormatters =
              (Object[]) getProperty(subjectSerializer, "formatters", null, true);
          if (subjectFormatters != null) {
           Object subjectFormatterConverter =
               getProperty(subjectFormatters[0], "converter", null, true);
           if (subjectFormatterConverter != null) {
             subject = (String) getProperty(subjectFormatterConverter, "literal", null, true);
           }
         }
       }
       result = Path
           .of("mailto:" + getProperty(factoryData, "to", "", true)
               + (from != null ? "&from=" + from : "") + (cc != null ? "&cc=" + cc : "")
               + (bcc != null ? "&bcc=" + bcc : "") + (subject != null ? "&subject=" + subject : ""))
           .toFile();
     } else {
       result = getStdoutFile();
     }
     return result;
   }
 
   @Override
   public String getLevel() {
     return getLoggerAccessor().getLevel();
   }
 
   @Override
   public String[] getValidLevels() {
     return new String[] {"OFF", "FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE", "ALL"};
   }
 
 }