/*
 * 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
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package org.apache.geode.internal.logging.log4j.custom;

import static org.assertj.core.api.Assertions.assertThat;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;

import org.apache.commons.io.IOUtils;
import org.apache.logging.log4j.Level;

public class CustomConfiguration {

  public static final String CONFIG_FILE_NAME = "log4j2-custom.xml";
  public static final String CONFIG_LAYOUT_PREFIX = "CUSTOM";

  protected CustomConfiguration() {}

  public static URL openConfigResource() {
    return new CustomConfiguration().getClass().getResource(CONFIG_FILE_NAME);
  }

  public static File createConfigFileIn(final File targetFolder)
      throws IOException, URISyntaxException {
    URL resource = openConfigResource();
    File targetFile = new File(targetFolder, CONFIG_FILE_NAME);
    IOUtils.copy(resource.openStream(), new FileOutputStream(targetFile));
    assertThat(targetFile).hasSameContentAs(new File(resource.toURI()));
    return targetFile;
  }

  private static final String DATE =
      "((?:19|20)\\\\d\\\\d)/(0?[1-9]|1[012])/([12][0-9]|3[01]|0?[1-9])";

  private static final String TIME = "\\b(?<!')([xXzZ])(?!')\\b";

  public static String defineLogStatementRegex(final Level level, final String message) {
    // CUSTOM: level=%level time=%date{yyyy/MM/dd HH:mm:ss.SSS z}
    // message=%message%nthrowable=%throwable%n
    return CONFIG_LAYOUT_PREFIX + ": level=" + level.toString() + " time=" + ".*" + " message="
        + message + "\nthrowable=\n";
  }

  public static String defineLogStatementRegex(final Level level, final String message,
      final String throwable) {
    // CUSTOM: level=%level time=%date{yyyy/MM/dd HH:mm:ss.SSS z}
    // message=%message%nthrowable=%throwable%n
    return CONFIG_LAYOUT_PREFIX + ": level=" + level.toString() + " time=" + ".*" + " message="
        + message + "\nthrowable=" + throwable + "\n";
  }

}