/**
 * 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.core;

import static java.awt.event.InputEvent.CTRL_MASK;
import static java.awt.event.InputEvent.SHIFT_MASK;
import static java.awt.event.KeyEvent.KEY_PRESSED;
import static java.awt.event.KeyEvent.KEY_RELEASED;
import static java.awt.event.KeyEvent.VK_C;
import static java.awt.event.KeyEvent.VK_CONTROL;
import static java.awt.event.KeyEvent.VK_SHIFT;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.util.Lists.newArrayList;

import java.awt.Component;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.List;

import javax.annotation.Nonnull;
import javax.swing.JTextField;

import org.junit.Test;

/**
 * Tests for {@link BasicRobot#pressAndReleaseKey(int, int...)}.
 * 
 * @author Yvonne Wang
 * @author Alex Ruiz
 */
public class BasicRobot_pressAndReleaseKeyWithModifiers_Test extends BasicRobot_TestCase {
  @Test
  public void should_Press_Key_And_Modifiers() {
    JTextField textField = window().textField();
    robot().focusAndWaitForFocusGain(textField);
    KeyPressRecorder recorder = KeyPressRecorder.attachTo(textField);
    robot().pressAndReleaseKey(VK_C, new int[] { CTRL_MASK, SHIFT_MASK });
    robot().waitForIdle();
    List<KeyAction> actions = recorder.actions;
    assertThat(actions).containsOnly(KeyAction.action(KEY_PRESSED, VK_SHIFT),
        KeyAction.action(KEY_PRESSED, VK_CONTROL), KeyAction.action(KEY_PRESSED, VK_C),
        KeyAction.action(KEY_RELEASED, VK_C), KeyAction.action(KEY_RELEASED, VK_CONTROL),
        KeyAction.action(KEY_RELEASED, VK_SHIFT));
  }

  private static class KeyPressRecorder extends KeyAdapter {
    final List<KeyAction> actions = newArrayList();

    static KeyPressRecorder attachTo(@Nonnull Component c) {
      KeyPressRecorder recorder = new KeyPressRecorder();
      c.addKeyListener(recorder);
      return recorder;
    }

    @Override
    public void keyPressed(KeyEvent e) {
      actions.add(KeyAction.action(KEY_PRESSED, e.getKeyCode()));
    }

    @Override
    public void keyReleased(KeyEvent e) {
      actions.add(KeyAction.action(KEY_RELEASED, e.getKeyCode()));
    }
  }

  private static class KeyAction {
    final int type;
    final int keyCode;

    static @Nonnull KeyAction action(int type, int keyCode) {
      return new KeyAction(type, keyCode);
    }

    private KeyAction(int type, int keyCode) {
      this.type = type;
      this.keyCode = keyCode;
    }

    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj == null) {
        return false;
      }
      if (getClass() != obj.getClass()) {
        return false;
      }
      final KeyAction other = (KeyAction) obj;
      if (type != other.type) {
        return false;
      }
      return keyCode == other.keyCode;
    }

    @Override
    public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + type;
      result = prime * result + keyCode;
      return result;
    }

    @Override
    public @Nonnull String toString() {
      StringBuilder b = new StringBuilder();
      b.append("[type=").append(type).append(", ");
      b.append("keyCode=").append(keyCode).append("]");
      return b.toString();
    }
  }
}