/**
 * 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.
 *
 * Copyright 2012-2015 the original author or authors.
 */
package org.assertj.swing.monitor;

import static org.assertj.swing.edt.GuiActionRunner.execute;
import static org.assertj.swing.monitor.TestContexts.newMockContext;
import static org.assertj.swing.monitor.TestWindows.newWindowsMock;
import static org.assertj.swing.test.awt.Toolkits.newToolkitStub;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.awt.Frame;
import java.awt.Window;

import org.assertj.swing.annotation.RunsInEDT;
import org.assertj.swing.test.awt.ToolkitStub;
import org.assertj.swing.test.core.SequentialEDTSafeTestCase;
import org.assertj.swing.test.swing.TestWindow;

/**
 * Base test case for {@link WindowMonitor}.
 * 
 * @author Alex Ruiz
 */
public abstract class WindowMonitor_TestCase extends SequentialEDTSafeTestCase {
  WindowMonitor monitor;

  ToolkitStub toolkit;
  Windows windows;
  Context context;
  WindowStatus windowStatus;
  TestWindow frame;

  @Override
  protected final void onSetUp() {
    toolkit = newToolkitStub();
    windows = newWindowsMock();
    context = newMockContext();
    windowStatus = mock(WindowStatus.class);
    frame = TestWindow.createNewWindow(getClass());
    createWindowMonitor();
  }

  private void createWindowMonitor() {
    when(windowStatus.windows()).thenReturn(windows);
    monitor = execute(() -> new WindowMonitor(toolkit, context, windowStatus));
    for (Frame f : Frame.getFrames()) {
      verifyWasExamined(f);
    }
    reset(context, windows, windowStatus);
  }

  private void verifyWasExamined(Window w) {
    verify(windows).markExisting(w);
    verify(context).addContextFor(w);
    verify(windows).attachNewWindowVisibilityMonitor(w);
    for (Window owned : ownedWindowsOf(w)) {
      verifyWasExamined(owned);
    }
  }

  @RunsInEDT
  private static Window[] ownedWindowsOf(final Window w) {
    return execute(() -> w.getOwnedWindows());
  }

  @Override
  protected final void onTearDown() {
    frame.destroy();
  }
}