/*
 * Copyright (C) 2017 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.doze;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.clearInvocations;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import android.app.AlarmManager;
import android.hardware.Sensor;
import android.hardware.display.AmbientDisplayConfiguration;
import android.os.Handler;
import android.os.Looper;
import android.testing.AndroidTestingRunner;
import android.testing.TestableLooper.RunWithLooper;

import androidx.test.filters.SmallTest;

import com.android.systemui.SysuiTestCase;
import com.android.systemui.dock.DockManager;
import com.android.systemui.statusbar.phone.DozeParameters;
import com.android.systemui.util.wakelock.WakeLock;
import com.android.systemui.util.wakelock.WakeLockFake;
import com.android.systemui.utils.hardware.FakeSensorManager;

import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;

@SmallTest
@RunWith(AndroidTestingRunner.class)
@RunWithLooper(setAsMainLooper = true)
public class DozeTriggersTest extends SysuiTestCase {
    private DozeTriggers mTriggers;
    private DozeMachine mMachine;
    private DozeHostFake mHost;
    private AmbientDisplayConfiguration mConfig;
    private DozeParameters mParameters;
    private FakeSensorManager mSensors;
    private Sensor mTapSensor;
    private WakeLock mWakeLock;
    private AlarmManager mAlarmManager;
    private DockManager mDockManagerFake;

    @BeforeClass
    public static void setupSuite() {
        // We can't use KeyguardUpdateMonitor from tests.
        DozeLog.setRegisterKeyguardCallback(false);
    }

    @Before
    public void setUp() throws Exception {
        mMachine = mock(DozeMachine.class);
        mAlarmManager = mock(AlarmManager.class);
        mHost = spy(new DozeHostFake());
        mConfig = DozeConfigurationUtil.createMockConfig();
        mParameters = DozeConfigurationUtil.createMockParameters();
        mSensors = spy(new FakeSensorManager(mContext));
        mTapSensor = mSensors.getFakeTapSensor().getSensor();
        mWakeLock = new WakeLockFake();
        mDockManagerFake = mock(DockManager.class);

        mTriggers = new DozeTriggers(mContext, mMachine, mHost, mAlarmManager, mConfig, mParameters,
                mSensors, Handler.createAsync(Looper.myLooper()), mWakeLock, true,
                mDockManagerFake);
    }

    @Test
    public void testOnNotification_stillWorksAfterOneFailedProxCheck() throws Exception {
        when(mMachine.getState()).thenReturn(DozeMachine.State.DOZE);

        mTriggers.transitionTo(DozeMachine.State.UNINITIALIZED, DozeMachine.State.INITIALIZED);
        mTriggers.transitionTo(DozeMachine.State.INITIALIZED, DozeMachine.State.DOZE);
        clearInvocations(mMachine);

        mHost.callback.onNotificationAlerted(null /* pulseSuppressedListener */);
        mSensors.getMockProximitySensor().sendProximityResult(false); /* Near */

        verify(mMachine, never()).requestState(any());
        verify(mMachine, never()).requestPulse(anyInt());

        mHost.callback.onNotificationAlerted(null /* pulseSuppressedListener */);
        mSensors.getMockProximitySensor().sendProximityResult(true); /* Far */

        verify(mMachine).requestPulse(anyInt());
    }

    @Test
    public void testTransitionTo_disablesAndEnablesTouchSensors() {
        when(mMachine.getState()).thenReturn(DozeMachine.State.DOZE);

        mTriggers.transitionTo(DozeMachine.State.INITIALIZED, DozeMachine.State.DOZE);
        verify(mSensors).requestTriggerSensor(any(), eq(mTapSensor));

        clearInvocations(mSensors);
        mTriggers.transitionTo(DozeMachine.State.DOZE,
                DozeMachine.State.DOZE_REQUEST_PULSE);
        mTriggers.transitionTo(DozeMachine.State.DOZE_REQUEST_PULSE,
                DozeMachine.State.DOZE_PULSING);
        verify(mSensors).cancelTriggerSensor(any(), eq(mTapSensor));

        clearInvocations(mSensors);
        mTriggers.transitionTo(DozeMachine.State.DOZE_PULSING, DozeMachine.State.DOZE_PULSE_DONE);
        verify(mSensors).requestTriggerSensor(any(), eq(mTapSensor));
    }

    @Test
    public void testDockEventListener_registerAndUnregister() {
        mTriggers.transitionTo(DozeMachine.State.UNINITIALIZED, DozeMachine.State.INITIALIZED);
        verify(mDockManagerFake).addListener(any());

        mTriggers.transitionTo(DozeMachine.State.DOZE, DozeMachine.State.FINISH);
        verify(mDockManagerFake).removeListener(any());
    }

    @Test
    public void testOnSensor_whenUndockedWithNearAndDoubleTapScreen_shouldNotWakeUp() {
        mSensors.getMockProximitySensor().sendProximityResult(false /* far */);

        mTriggers.onSensor(DozeLog.REASON_SENSOR_DOUBLE_TAP,
                false /* sensorPerformedProxCheck */, 50 /* screenX */, 50 /* screenY */,
                null /* rawValues */);
        verify(mMachine, never()).wakeUp();
    }

    @Test
    public void testOnSensor_whenDockedWithNearAndDoubleTapScreen_shouldWakeUp() {
        doReturn(true).when(mDockManagerFake).isDocked();
        doReturn(true).when(mParameters).getDisplayNeedsBlanking();
        mSensors.getMockProximitySensor().sendProximityResult(false /* far */);

        mTriggers.onSensor(DozeLog.REASON_SENSOR_DOUBLE_TAP,
                false /* sensorPerformedProxCheck */, 50 /* screenX */, 50 /* screenY */,
                null /* rawValues */);

        verify(mHost).setAodDimmingScrim(eq(1f));
        verify(mMachine).wakeUp();
    }
}