/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * 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.
 */

package com.android.systemui.statusbar.phone;

import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.view.View;

import com.android.systemui.SysuiTestableContext;
import com.android.systemui.SysuiTestCase;
import com.android.systemui.TestableDependency;
import com.android.systemui.statusbar.policy.KeyButtonDrawable;
import com.android.systemui.statusbar.policy.RotationLockController;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;

/** atest NavigationBarRotationContextTest */
@SmallTest
@RunWith(AndroidJUnit4.class)
public class NavigationBarRotationContextTest extends SysuiTestCase {
    static final int RES_UNDEF = 0;
    static final int DEFAULT_ROTATE = 0;

    @Rule
    public final SysuiTestableContext mContext = new SysuiTestableContext(
            InstrumentationRegistry.getContext(), getLeakCheck());
    private final TestableDependency mDependency = new TestableDependency(mContext);
    private RotationContextButton mButton;

    @Before
    public void setup() {
        MockitoAnnotations.initMocks(this);
        mDependency.injectMockDependency(RotationLockController.class);

        final View view = new View(mContext);
        mButton = spy(new RotationContextButton(RES_UNDEF, RES_UNDEF, mContext, RES_UNDEF));
        final KeyButtonDrawable kbd = mock(KeyButtonDrawable.class);
        doReturn(view).when(mButton).getCurrentView();
        doReturn(kbd).when(mButton).getNewDrawable();
    }

    @Test
    public void testOnInvalidRotationProposal() {
        mButton.onRotationProposal(DEFAULT_ROTATE, DEFAULT_ROTATE + 1, false /* isValid */);
        verify(mButton, times(1)).setRotateSuggestionButtonState(false /* visible */);
    }

    @Test
    public void testOnSameRotationProposal() {
        mButton.onRotationProposal(DEFAULT_ROTATE, DEFAULT_ROTATE, true /* isValid */);
        verify(mButton, times(1)).setRotateSuggestionButtonState(false /* visible */);
    }

    @Test
    public void testOnRotationProposalShowButtonShowNav() {
        // No navigation bar should not call to set visibility state
        mButton.onNavigationBarWindowVisibilityChange(false /* showing */);
        verify(mButton, times(0)).setRotateSuggestionButtonState(false /* visible */);
        verify(mButton, times(0)).setRotateSuggestionButtonState(true /* visible */);

        // No navigation bar with rotation change should not call to set visibility state
        mButton.onRotationProposal(DEFAULT_ROTATE, DEFAULT_ROTATE + 1, true /* isValid */);
        verify(mButton, times(0)).setRotateSuggestionButtonState(false /* visible */);
        verify(mButton, times(0)).setRotateSuggestionButtonState(true /* visible */);

        // Since rotation has changed rotation should be pending, show mButton when showing nav bar
        mButton.onNavigationBarWindowVisibilityChange(true /* showing */);
        verify(mButton, times(1)).setRotateSuggestionButtonState(true /* visible */);
    }

    @Test
    public void testOnRotationProposalShowButton() {
        // Navigation bar being visible should not call to set visibility state
        mButton.onNavigationBarWindowVisibilityChange(true /* showing */);
        verify(mButton, times(0)).setRotateSuggestionButtonState(false /* visible */);
        verify(mButton, times(0)).setRotateSuggestionButtonState(true /* visible */);

        // Navigation bar is visible and rotation requested
        mButton.onRotationProposal(DEFAULT_ROTATE, DEFAULT_ROTATE + 1, true /* isValid */);
        verify(mButton, times(1)).setRotateSuggestionButtonState(true /* visible */);
    }
}