/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed 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 com.intellij.testFramework;

import com.intellij.openapi.Disposable;
import com.intellij.openapi.diagnostic.DefaultLogger;
import com.intellij.openapi.util.Disposer;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;

public class LoggedErrorProcessor {
  private static final LoggedErrorProcessor DEFAULT = new LoggedErrorProcessor();

  private static LoggedErrorProcessor ourInstance = DEFAULT;
  private boolean myMirrorToStderr = true;

  @NotNull
  public static LoggedErrorProcessor getInstance() {
    return ourInstance;
  }

  public static void setNewInstance(@NotNull LoggedErrorProcessor newInstance) {
    ourInstance = newInstance;
  }

  public static void restoreDefaultProcessor() {
    ourInstance = DEFAULT;
  }

  public void processWarn(String message, Throwable t, @NotNull Logger logger) {
    logger.warn(message, t);
  }

  @SuppressWarnings("UseOfSystemOutOrSystemErr")
  public void processError(String message, Throwable t, String[] details, @NotNull Logger logger) {
    message += DefaultLogger.attachmentsToString(t);
    logger.info(message, t);

    if (myMirrorToStderr) {
      System.err.println("ERROR: " + message);
      if (t != null) t.printStackTrace(System.err);
      if (details != null && details.length > 0) {
        System.out.println("details: ");
        for (String detail : details) {
          System.out.println(detail);
        }
      }
    }

    throw new AssertionError(message, t);
  }

  public void disableStderrDumping(@NotNull Disposable parentDisposable) {
    boolean prev = myMirrorToStderr;
    myMirrorToStderr = false;
    Disposer.register(parentDisposable, () -> myMirrorToStderr = prev);
  }
}
