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package org.mozc.android.inputmethod.japanese;

import org.mozc.android.inputmethod.japanese.InOutAnimatedFrameLayout.VisibilityChangeListener;
import org.mozc.android.inputmethod.japanese.testing.InstrumentationTestCaseWithMock;
import org.mozc.android.inputmethod.japanese.testing.Parameter;

import android.test.suitebuilder.annotation.SmallTest;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;

/**
 */
public class InOutAnimatedFrameLayoutTest extends InstrumentationTestCaseWithMock {
  private static class TestData extends Parameter {
    final Animation animation;
    final int visibility;
    final boolean expectAnimation;
    final int expectedVisibility;

    TestData(Animation animation, int visibility, boolean expectAnimation, int expectedVisibility) {
      this.animation = animation;
      this.visibility = visibility;
      this.expectAnimation = expectAnimation;
      this.expectedVisibility = expectedVisibility;
    }
  }

  private InOutAnimatedFrameLayout view;

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    view = new InOutAnimatedFrameLayout(getInstrumentation().getTargetContext()) {};
  }

  @Override
  protected void tearDown() throws Exception {
    view.clearAnimation();
    view = null;
    super.tearDown();
  }

  @SmallTest
  public void testInAnimation() {
    TestData[] testDataList = {
        // If view is hidden, in animation should be started.
        new TestData(new AlphaAnimation(0, 0), View.GONE, true, View.VISIBLE),
        new TestData(new AlphaAnimation(0, 0), View.INVISIBLE, true, View.VISIBLE),

        // If view has been already shown, in animation should not be started.
        new TestData(new AlphaAnimation(0, 0), View.VISIBLE, false, View.VISIBLE),

        // If animation is not loaded, the visibility should be just updated.
        new TestData(null, View.VISIBLE, false, View.VISIBLE),
        new TestData(null, View.INVISIBLE, false, View.VISIBLE),
        new TestData(null, View.GONE, false, View.VISIBLE),
    };

    for (TestData testData : testDataList) {
      view.setInAnimation(testData.animation);
      view.clearAnimation();
      view.setVisibility(testData.visibility);

      Animation inAnimation = view.inAnimation;
      if (testData.animation == null) {
        assertNull(testData.toString(), inAnimation);
      } else {
        assertNotNull(testData.toString(), inAnimation);
      }

      view.startInAnimation();

      if (testData.expectAnimation) {
        assertSame(testData.toString(), inAnimation, view.getAnimation());
      } else {
        assertNull(testData.toString(), view.getAnimation());
      }
      assertEquals(testData.toString(), testData.expectedVisibility, view.getVisibility());
    }
  }

  @SmallTest
  public void testOutAnimation() {
    TestData[] testDataList = {
        // If view is shown, out animation should be started.
        // For animation, we need to keep visibility VISIBLE.
        new TestData(new AlphaAnimation(0, 0), View.VISIBLE, true, View.VISIBLE),

        // If view is hidden, out animation should not be started.
        new TestData(new AlphaAnimation(0, 0), View.INVISIBLE, false, View.INVISIBLE),
        new TestData(new AlphaAnimation(0, 0), View.GONE, false, View.GONE),

        // If animation is not loaded, the visibility should be just updated.
        new TestData(null, View.VISIBLE, false, View.GONE),
        new TestData(null, View.INVISIBLE, false, View.INVISIBLE),
        new TestData(null, View.GONE, false, View.GONE),
    };

    for (TestData testData : testDataList) {
      view.setOutAnimation(testData.animation);
      view.clearAnimation();
      view.setVisibility(testData.visibility);

      Animation outAnimation = view.outAnimation;
      if (testData.animation == null) {
        assertNull(testData.toString(), outAnimation);
      } else {
        assertNotNull(testData.toString(), outAnimation);
      }

      view.startOutAnimation();

      if (testData.expectAnimation) {
        assertSame(testData.toString(), outAnimation, view.getAnimation());
      } else {
        assertNull(testData.toString(), view.getAnimation());
      }

      assertEquals(testData.toString(), testData.expectedVisibility, view.getVisibility());
    }
  }

  @SmallTest
  public void testOnVisibilityChangeListener() {
    VisibilityChangeListener onVisibilityChangeListener =
        createMock(VisibilityChangeListener.class);
    view.setVisibility(View.GONE);
    view.setOnVisibilityChangeListener(onVisibilityChangeListener);

    int[] nextVisibilities = {View.VISIBLE, View.INVISIBLE, View.GONE};
    for (int nextVisibility : nextVisibilities) {
      resetAll();
      onVisibilityChangeListener.onVisibilityChange();
      replayAll();

      view.setVisibility(nextVisibility);
      verifyAll();
    }
  }
}