/**
 * 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.driver;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.util.Arrays.array;
import static org.assertj.swing.driver.JComboBoxMakeEditableAndSelectItemTask.makeEditableAndSelectIndex;
import static org.assertj.swing.driver.JComboBoxMakeEditableAndSelectItemTask.makeEditableAndSelectItem;
import static org.assertj.swing.driver.JComboBoxSetSelectedIndexTask.setSelectedIndex;
import static org.assertj.swing.edt.GuiActionRunner.execute;

import javax.swing.JComboBox;

import org.assertj.swing.annotation.RunsInEDT;
import org.assertj.swing.cell.JComboBoxCellReader;
import org.assertj.swing.test.core.RobotBasedTestCase;
import org.assertj.swing.test.swing.TestWindow;
import org.assertj.swing.util.Pair;
import org.junit.Test;

/**
 * Tests for {@link JComboBoxSelectionValueQuery#selection(JComboBox, JComboBoxCellReader)}.
 * 
 * @author Alex Ruiz
 */
public class JComboBoxSelectionValueQuery_selection_Test extends RobotBasedTestCase {
  private JComboBox comboBox;
  private JComboBoxCellReader cellReader;

  @Override
  protected void onSetUp() {
    MyWindow window = MyWindow.createNew();
    comboBox = window.comboBox;
    cellReader = new BasicJComboBoxCellReader();
  }

  @Test
  public void should_Return_False_And_Null_If_Not_Editable_JComboBox_Does_Not_Have_Selection() {
    Pair<Boolean, String> selection = JComboBoxSelectionValueQuery.selection(comboBox, cellReader);
    assertThat(selection.first).isFalse();
    assertThat(selection.second).isNull();
  }

  @Test
  public void should_Return_True_And_Text_Of_Selected_Item_In_Not_Editable_JComboBox() {
    setSelectedIndex(comboBox, 0);
    robot.waitForIdle();
    Pair<Boolean, String> selection = JComboBoxSelectionValueQuery.selection(comboBox, cellReader);
    assertThatSelectionIsEqual(selection, "first");
  }

  @Test
  public void should_Return_Text_Of_Selected_Item_In_Editable_JComboBox() {
    makeEditableAndSelectIndex(comboBox, 0);
    robot.waitForIdle();
    Pair<Boolean, String> selection = JComboBoxSelectionValueQuery.selection(comboBox, cellReader);
    assertThatSelectionIsEqual(selection, "first");
  }

  @Test
  public void should_Return_Text_Of_Entered_Item_In_Editable_JComboBox() {
    makeEditableAndSelectItem(comboBox, "Hello");
    robot.waitForIdle();
    Pair<Boolean, String> selection = JComboBoxSelectionValueQuery.selection(comboBox, cellReader);
    assertThatSelectionIsEqual(selection, "Hello");
  }

  private void assertThatSelectionIsEqual(Pair<Boolean, String> selection, String expected) {
    assertThat(selection.first).isTrue();
    assertThat(selection.second).isEqualTo(expected);
  }

  private static class MyWindow extends TestWindow {
    final JComboBox comboBox = new JComboBox(array("first", "second", "third"));

    @RunsInEDT
    static MyWindow createNew() {
      return execute(() -> new MyWindow());
    }

    private MyWindow() {
      super(JComboBoxSelectionValueQuery_selection_Test.class);
      comboBox.setSelectedIndex(-1);
      addComponents(comboBox);
    }
  }
}