package jalview.util;

import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;

import jalview.gui.JvOptionPane;

import java.awt.Button;
import java.awt.Event;
import java.awt.event.MouseEvent;

import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

public class PlatformTest
{

  @BeforeClass(alwaysRun = true)
  public void setUpJvOptionPane()
  {
    JvOptionPane.setInteractiveMode(false);
    JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
  }

  Button b = new Button();

  /**
   * isControlDown for Mac should answer true for Meta-down, but not for right
   * mouse (popup trigger)
   */
  @Test(groups = "Functional")
  public void testIsControlDown_mac()
  {
    int clickCount = 1;
    boolean isPopupTrigger = false;
    int buttonNo = MouseEvent.BUTTON1;
    boolean mac = true;

    int mods = 0;
    // not concerned with MouseEvent id, when, x, y, xAbs, yAbs values
    assertFalse(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));

    mods = Event.CTRL_MASK;
    assertFalse(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));

    mods = Event.META_MASK;
    assertTrue(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));

    isPopupTrigger = true;
    assertFalse(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));

    isPopupTrigger = false;
    buttonNo = MouseEvent.BUTTON2;
    mods = 0;
    assertFalse(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));
  }

  /**
   * If not a Mac, we only care whether CTRL_MASK modifier is set on the mouse
   * event
   */
  @Test(groups = "Functional")
  public void testIsControlDown_notMac()
  {
    int clickCount = 1;
    boolean isPopupTrigger = false;
    int buttonNo = MouseEvent.BUTTON1;
    boolean mac = false;

    int mods = 0;
    // not concerned with MouseEvent id, when, x, y, xAbs, yAbs values
    assertFalse(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));

    mods = Event.CTRL_MASK;
    assertTrue(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));

    mods = Event.CTRL_MASK | Event.SHIFT_MASK | Event.ALT_MASK;
    clickCount = 2;
    buttonNo = 2;
    isPopupTrigger = true;
    assertTrue(Platform.isControlDown(new MouseEvent(b, 0, 0L, mods, 0, 0,
            0, 0, clickCount, isPopupTrigger, buttonNo), mac));
  }
}