/*
 * Copyright 2013-present Facebook, Inc.
 *
 * 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.facebook.buck.android;

import com.android.common.utils.ILogger;
import com.facebook.buck.event.BuckEventBus;
import com.facebook.buck.event.ConsoleEvent;
import com.facebook.buck.event.ThrowableConsoleEvent;
import com.google.common.base.Strings;

import javax.annotation.Nullable;

/**
 * Implementation of {@link ILogger} which posts to an {@link BuckEventBus}
 */
public class BuckEventAndroidLogger implements ILogger {

  private final BuckEventBus eventBus;

  public BuckEventAndroidLogger(BuckEventBus eventBus) {
    this.eventBus = eventBus;
  }

  @Override
  public void error(@Nullable Throwable throwable, @Nullable String errorFormat, Object... args) {
    String message = Strings.nullToEmpty(errorFormat);
    if (throwable == null) {
      eventBus.post(ConsoleEvent.severe(message, args));
    } else {
      eventBus.post(ThrowableConsoleEvent.create(throwable, message, args));
    }
  }

  @Override
  public void warning(String msgFormat, Object... args) {
    eventBus.post(ConsoleEvent.warning(msgFormat, args));
  }

  @Override
  public void info(String msgFormat, Object... args) {
    eventBus.post(ConsoleEvent.info(msgFormat, args));
  }

  @Override
  public void verbose(String msgFormat, Object... args) {
    eventBus.post(ConsoleEvent.info(msgFormat, args));
  }
}