/*
 * Copyright (C) 2016 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 android.car.apitest;

import static com.google.common.truth.Truth.assertThat;

import static org.junit.Assert.assertThrows;

import android.car.Car;
import android.car.CarAppFocusManager;
import android.car.CarAppFocusManager.OnAppFocusOwnershipCallback;
import android.car.cluster.navigation.NavigationState.Cue;
import android.car.cluster.navigation.NavigationState.Cue.CueElement;
import android.car.cluster.navigation.NavigationState.Destination;
import android.car.cluster.navigation.NavigationState.Distance;
import android.car.cluster.navigation.NavigationState.ImageReference;
import android.car.cluster.navigation.NavigationState.Lane;
import android.car.cluster.navigation.NavigationState.Lane.LaneDirection;
import android.car.cluster.navigation.NavigationState.LatLng;
import android.car.cluster.navigation.NavigationState.Maneuver;
import android.car.cluster.navigation.NavigationState.NavigationStateProto;
import android.car.cluster.navigation.NavigationState.Road;
import android.car.cluster.navigation.NavigationState.Step;
import android.car.cluster.navigation.NavigationState.Timestamp;
import android.car.navigation.CarNavigationStatusManager;
import android.os.Bundle;
import android.util.Log;

import androidx.test.filters.MediumTest;

import org.junit.Before;
import org.junit.Test;

/**
 * Unit tests for {@link CarNavigationStatusManager}
 */
@MediumTest
public class CarNavigationManagerTest extends CarApiTestBase {

    private static final String TAG = CarNavigationManagerTest.class.getSimpleName();
    private static final String NAV_STATE_PROTO_BUNDLE_KEY = "navstate2";

    private CarNavigationStatusManager mCarNavigationManager;
    private CarAppFocusManager mCarAppFocusManager;

    @Before
    public void setUp() throws Exception {
        mCarNavigationManager =
                (CarNavigationStatusManager) getCar().getCarManager(Car.CAR_NAVIGATION_SERVICE);
        mCarAppFocusManager =
                (CarAppFocusManager) getCar().getCarManager(Car.APP_FOCUS_SERVICE);
        assertThat(mCarAppFocusManager).isNotNull();
    }

    @Test
    public void testSerializeAndDeserializeProto() throws Exception {
        ImageReference imageReference = ImageReference.newBuilder().build();
        Distance distance = Distance.newBuilder().build();
        Maneuver maneuver = Maneuver.newBuilder().build();
        Lane lane = Lane.newBuilder().build();
        LaneDirection laneDirection = LaneDirection.newBuilder().build();
        Cue cue = Cue.newBuilder().build();
        CueElement cueElement = CueElement.newBuilder().build();
        Step step = Step.newBuilder().build();
        LatLng latLng = LatLng.newBuilder().build();
        Destination destination = Destination.newBuilder().build();
        Road road = Road.newBuilder().build();
        Timestamp timestamp = Timestamp.newBuilder().build();
        NavigationStateProto navigationStateProto = NavigationStateProto.newBuilder().build();

        assertThat(imageReference).isNotNull();
        assertThat(distance).isNotNull();
        assertThat(maneuver).isNotNull();
        assertThat(lane).isNotNull();
        assertThat(laneDirection).isNotNull();
        assertThat(cue).isNotNull();
        assertThat(cueElement).isNotNull();
        assertThat(step).isNotNull();
        assertThat(latLng).isNotNull();
        assertThat(destination).isNotNull();
        assertThat(road).isNotNull();
        assertThat(timestamp).isNotNull();
        assertThat(navigationStateProto).isNotNull();


        assertThat(ImageReference.parseFrom(imageReference.toByteArray())).isNotNull();
        assertThat(Distance.parseFrom(distance.toByteArray())).isNotNull();
        assertThat(Maneuver.parseFrom(maneuver.toByteArray())).isNotNull();
        assertThat(Lane.parseFrom(lane.toByteArray())).isNotNull();
        assertThat(LaneDirection.parseFrom(laneDirection.toByteArray())).isNotNull();
        assertThat(Cue.parseFrom(cue.toByteArray())).isNotNull();
        assertThat(CueElement.parseFrom(cueElement.toByteArray())).isNotNull();
        assertThat(Step.parseFrom(step.toByteArray())).isNotNull();
        assertThat(LatLng.parseFrom(latLng.toByteArray())).isNotNull();
        assertThat(Destination.parseFrom(destination.toByteArray())).isNotNull();
        assertThat(Road.parseFrom(road.toByteArray())).isNotNull();
        assertThat(Timestamp.parseFrom(timestamp.toByteArray())).isNotNull();
        assertThat(NavigationStateProto.parseFrom(navigationStateProto.toByteArray())).isNotNull();
    }

    @Test
    public void testSendEvent() throws Exception {
        if (mCarNavigationManager == null) {
            Log.w(TAG, "Unable to run the test: "
                    + "car navigation manager was not created succesfully.");
            return;
        }

        NavigationStateProto state = NavigationStateProto.newBuilder().build();
        Bundle bundle = new Bundle();
        bundle.putByteArray(NAV_STATE_PROTO_BUNDLE_KEY, state.toByteArray());

        assertThrows(IllegalStateException.class, () -> mCarNavigationManager.sendEvent(1, bundle));

        mCarAppFocusManager.addFocusListener(new CarAppFocusManager.OnAppFocusChangedListener() {
            @Override
            public void onAppFocusChanged(int appType, boolean active) {
                // Nothing to do here.
            }
        }, CarAppFocusManager.APP_FOCUS_TYPE_NAVIGATION);
        OnAppFocusOwnershipCallback ownershipCallback = new OnAppFocusOwnershipCallback() {
            @Override
            public void onAppFocusOwnershipLost(int focus) {
                // Nothing to do here.
            }

            @Override
            public void onAppFocusOwnershipGranted(int focus) {
                // Nothing to do here.
            }
        };
        mCarAppFocusManager.requestAppFocus(CarAppFocusManager.APP_FOCUS_TYPE_NAVIGATION,
                ownershipCallback);
        assertThat(mCarAppFocusManager.isOwningFocus(ownershipCallback,
                CarAppFocusManager.APP_FOCUS_TYPE_NAVIGATION)).isTrue();

        Log.i(TAG, "Instrument cluster: " + mCarNavigationManager.getInstrumentClusterInfo());

        // TODO: we should use mocked HAL to be able to verify this, right now just make sure that
        // it is not crashing and logcat has appropriate traces.
        mCarNavigationManager.sendEvent(1, bundle);
    }
}