/*
 * 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.settings.wifi.savedaccesspoints;

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

import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;

import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.settings.R;
import com.android.settings.core.FeatureFlags;
import com.android.settings.development.featureflags.FeatureFlagPersistent;
import com.android.settings.wifi.WifiConfigController;
import com.android.settings.wifi.WifiDialog;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.wifi.AccessPoint;

import org.junit.Before;
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.util.ReflectionHelpers;

@RunWith(RobolectricTestRunner.class)
public class SavedAccessPointsWifiSettingsTest {

    @Mock
    private WifiManager mWifiManager;
    @Mock
    private WifiDialog mWifiDialog;
    @Mock
    private WifiConfigController mConfigController;
    @Mock
    private WifiConfiguration mWifiConfiguration;
    @Mock
    private AccessPoint mAccessPoint;
    @Mock
    private SubscribedAccessPointsPreferenceController mSubscribedApController;
    @Mock
    private SavedAccessPointsPreferenceController mSavedApController;

    private TestFragment mSettings;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        mSettings = spy(new TestFragment());

        doReturn(mSubscribedApController).when(mSettings)
                .use(SubscribedAccessPointsPreferenceController.class);
        doReturn(mSavedApController).when(mSettings)
                .use(SavedAccessPointsPreferenceController.class);

        ReflectionHelpers.setField(mSettings, "mWifiManager", mWifiManager);

        when(mWifiDialog.getController()).thenReturn(mConfigController);
        when(mConfigController.getConfig()).thenReturn(mWifiConfiguration);
    }

    @Test
    public void onForget_isPasspointConfig_shouldRefreshAPList() {
        FeatureFlagPersistent.setEnabled(RuntimeEnvironment.application,
                FeatureFlags.NETWORK_INTERNET_V2, false);
        when(mAccessPoint.isPasspointConfig()).thenReturn(true);
        ReflectionHelpers.setField(mSettings, "mSelectedAccessPoint", mAccessPoint);

        mSettings.onForget(null);

        verify(mSavedApController).postRefreshSavedAccessPoints();
    }

    @Test
    public void onForget_isPasspointConfig_shouldRefreshSubscribedAPList() {
        FeatureFlagPersistent.setEnabled(RuntimeEnvironment.application,
                FeatureFlags.NETWORK_INTERNET_V2, true);
        when(mAccessPoint.isPasspointConfig()).thenReturn(true);
        ReflectionHelpers.setField(mSettings, "mSelectedAccessPoint", mAccessPoint);

        mSettings.onForget(null);

        verify(mSubscribedApController).postRefreshSubscribedAccessPoints();
    }

    @Test
    public void onForget_shouldInvokeForgetApi() {
        ReflectionHelpers.setField(mSettings, "mSelectedAccessPoint", mAccessPoint);
        when(mAccessPoint.getConfig()).thenReturn(mWifiConfiguration);

        mSettings.onForget(mWifiDialog);

        verify(mWifiManager).forget(mWifiConfiguration.networkId, mSavedApController);
    }

    @Test
    public void verifyConstants() {
        assertThat(mSettings.getMetricsCategory()).isEqualTo(MetricsEvent.WIFI_SAVED_ACCESS_POINTS);
        assertThat(mSettings.getPreferenceScreenResId())
                .isEqualTo(R.xml.wifi_display_saved_access_points);
    }

    public static class TestFragment extends SavedAccessPointsWifiSettings {

        public <T extends AbstractPreferenceController> T use(Class<T> clazz) {
            return super.use(clazz);
        }
    }
}