/*
 * 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.settings.connecteddevice;

import static com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment.KEY_AVAILABLE_DEVICES;
import static com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment.KEY_CONNECTED_DEVICES;

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

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

import android.content.Context;
import android.content.pm.PackageManager;
import android.platform.test.flag.junit.CheckFlagsRule;
import android.platform.test.flag.junit.DeviceFlagsValueProvider;
import android.platform.test.flag.junit.SetFlagsRule;
import android.provider.SearchIndexableResource;

import com.android.settings.R;
import com.android.settings.connecteddevice.fastpair.FastPairDeviceUpdater;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.core.PreferenceControllerListHelper;
import com.android.settings.flags.Flags;
import com.android.settings.slices.SlicePreferenceController;
import com.android.settings.testutils.FakeFeatureFactory;
import com.android.settings.testutils.shadow.ShadowBluetoothAdapter;
import com.android.settings.testutils.shadow.ShadowConnectivityManager;
import com.android.settings.testutils.shadow.ShadowUserManager;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;

import java.util.List;

@RunWith(RobolectricTestRunner.class)
@Config(
        shadows = {
            ShadowUserManager.class,
            ShadowConnectivityManager.class,
            ShadowBluetoothAdapter.class
        })
public class ConnectedDeviceDashboardFragmentTest {
    @Rule
    public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();

    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();

    private static final String KEY_NEARBY_DEVICES = "bt_nearby_slice";
    private static final String KEY_DISCOVERABLE_FOOTER = "discoverable_footer";
    private static final String KEY_SAVED_DEVICE_SEE_ALL = "previously_connected_devices_see_all";
    private static final String KEY_FAST_PAIR_DEVICE_SEE_ALL = "fast_pair_devices_see_all";
    private static final String KEY_AUDIO_SHARING_DEVICES = "audio_sharing_device_list";
    private static final String KEY_AUDIO_SHARING_SETTINGS =
            "connected_device_audio_sharing_settings";
    private static final String KEY_ADD_BT_DEVICES = "add_bt_devices";
    private static final String SETTINGS_PACKAGE_NAME = "com.android.settings";
    private static final String SYSTEMUI_PACKAGE_NAME = "com.android.systemui";
    private static final String SLICE_ACTION = "com.android.settings.SEARCH_RESULT_TRAMPOLINE";
    private static final String TEST_APP_NAME = "com.testapp.settings";
    private static final String TEST_ACTION = "com.testapp.settings.ACTION_START";

    @Mock private PackageManager mPackageManager;
    @Mock private FastPairDeviceUpdater mFastPairDeviceUpdater;
    private Context mContext;
    private ConnectedDeviceDashboardFragment mFragment;
    private FakeFeatureFactory mFeatureFactory;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);

        mContext = spy(RuntimeEnvironment.application);
        mFragment = new ConnectedDeviceDashboardFragment();
        mSetFlagsRule.enableFlags(Flags.FLAG_ENABLE_SUBSEQUENT_PAIR_SETTINGS_INTEGRATION);
        mSetFlagsRule.enableFlags(com.android.settingslib.flags.Flags.FLAG_ENABLE_LE_AUDIO_SHARING);
        mFeatureFactory = FakeFeatureFactory.setupForTest();
        when(mFeatureFactory
                        .getFastPairFeatureProvider()
                        .getFastPairDeviceUpdater(
                                any(Context.class), any(DevicePreferenceCallback.class)))
                .thenReturn(mFastPairDeviceUpdater);
        doReturn(mPackageManager).when(mContext).getPackageManager();
        doReturn(true).when(mPackageManager).hasSystemFeature(PackageManager.FEATURE_BLUETOOTH);
    }

    @Test
    public void searchIndexProvider_shouldIndexResource() {
        final List<SearchIndexableResource> indexRes =
                ConnectedDeviceDashboardFragment.SEARCH_INDEX_DATA_PROVIDER.getXmlResourcesToIndex(
                        mContext, true /* enabled */);

        assertThat(indexRes).isNotNull();
        assertThat(indexRes.get(0).xmlResId).isEqualTo(R.xml.connected_devices);
    }

    @Test
    public void nonIndexableKeys_existInXmlLayout() {
        final List<String> niks =
                ConnectedDeviceDashboardFragment.SEARCH_INDEX_DATA_PROVIDER.getNonIndexableKeys(
                        mContext);

        assertThat(niks)
                .containsExactly(
                        KEY_CONNECTED_DEVICES,
                        KEY_AVAILABLE_DEVICES,
                        KEY_NEARBY_DEVICES,
                        KEY_DISCOVERABLE_FOOTER,
                        KEY_SAVED_DEVICE_SEE_ALL,
                        KEY_FAST_PAIR_DEVICE_SEE_ALL,
                        KEY_AUDIO_SHARING_DEVICES,
                        KEY_AUDIO_SHARING_SETTINGS);
    }

    @Test
    public void isAlwaysDiscoverable_callingAppIsNotFromSystemApp_returnsFalse() {
        assertThat(mFragment.isAlwaysDiscoverable(TEST_APP_NAME, TEST_ACTION)).isFalse();
    }

    @Test
    public void isAlwaysDiscoverable_callingAppIsFromSettings_returnsTrue() {
        assertThat(mFragment.isAlwaysDiscoverable(SETTINGS_PACKAGE_NAME, TEST_ACTION)).isTrue();
    }

    @Test
    public void isAlwaysDiscoverable_callingAppIsFromSystemUI_returnsTrue() {
        assertThat(mFragment.isAlwaysDiscoverable(SYSTEMUI_PACKAGE_NAME, TEST_ACTION)).isTrue();
    }

    @Test
    public void isAlwaysDiscoverable_actionIsFromSlice_returnsFalse() {
        assertThat(mFragment.isAlwaysDiscoverable(SYSTEMUI_PACKAGE_NAME, SLICE_ACTION)).isFalse();
    }

    @Test
    public void getPreferenceControllers_containSlicePrefController() {
        final List<BasePreferenceController> controllers =
                PreferenceControllerListHelper.getPreferenceControllersFromXml(
                        mContext, R.xml.connected_devices);

        assertThat(
                        controllers.stream()
                                .filter(
                                        controller ->
                                                controller instanceof SlicePreferenceController)
                                .count())
                .isEqualTo(1);
    }
}