/*
 * 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.tether;

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

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

import android.content.Context;
import android.net.wifi.SoftApConfiguration;
import android.net.wifi.WifiManager;

import androidx.preference.SwitchPreference;

import com.android.settings.testutils.FakeFeatureFactory;
import com.android.settings.wifi.factory.WifiFeatureProvider;
import com.android.settings.wifi.repository.WifiHotspotRepository;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;

@RunWith(RobolectricTestRunner.class)
public class WifiTetherAutoOffPreferenceControllerTest {

    private static final String KEY_PREF = "wifi_tether_auto_off";
    private Context mContext;
    private WifiTetherAutoOffPreferenceController mController;
    private SwitchPreference mSwitchPreference;
    @Mock
    private WifiManager mWifiManager;
    private SoftApConfiguration mSoftApConfiguration;

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

        mContext = spy(RuntimeEnvironment.application);

        WifiFeatureProvider provider = FakeFeatureFactory.setupForTest().getWifiFeatureProvider();
        when(provider.getWifiHotspotRepository()).thenReturn(mock(WifiHotspotRepository.class));
        when(mContext.getSystemService(WifiManager.class)).thenReturn(mWifiManager);
        mSoftApConfiguration = new SoftApConfiguration.Builder().build();
        when(mWifiManager.getSoftApConfiguration()).thenReturn(mSoftApConfiguration);

        mController = new WifiTetherAutoOffPreferenceController(mContext, KEY_PREF);
        mSwitchPreference = new SwitchPreference(mContext);
    }

    @Test
    public void testOnPreferenceChange_toggleOn_settingsOn() {
        mController.onPreferenceChange(null, true);

        assertThat(getAutoOffSetting()).isEqualTo(true);
    }

    @Test
    public void testOnPreferenceChange_toggleOff_settingsOff() {
        mController.onPreferenceChange(null, false);

        assertThat(getAutoOffSetting()).isEqualTo(false);
    }

    @Test
    public void testUpdateState_settingsOn_toggleOn() {
        setAutoOffSetting(true);

        mController.updateState(mSwitchPreference);

        assertThat(mSwitchPreference.isChecked()).isTrue();
    }

    @Test
    public void testUpdateState_settingsOff_toggleOff() {
        setAutoOffSetting(false);

        mController.updateState(mSwitchPreference);

        assertThat(mSwitchPreference.isChecked()).isFalse();
    }

    @Test
    public void testUpdateState_toggleDefaultOn() {
        mController.updateState(mSwitchPreference);

        assertThat(mSwitchPreference.isChecked()).isTrue();
    }

    @Test
    public void onPreferenceChange_needShutdownSecondarySap_setSecondarySap() {
        mController.mNeedShutdownSecondarySap = true;
        setConfigShutdownSecondarySap(false);

        mController.onPreferenceChange(mSwitchPreference, true);

        ArgumentCaptor<SoftApConfiguration> config =
                ArgumentCaptor.forClass(SoftApConfiguration.class);
        verify(mWifiManager).setSoftApConfiguration(config.capture());
        assertThat(config.getValue().isBridgedModeOpportunisticShutdownEnabled()).isTrue();
    }

    @Test
    public void onPreferenceChange_noNeedShutdownSecondarySap_doNotSetSecondarySap() {
        mController.mNeedShutdownSecondarySap = false;
        setConfigShutdownSecondarySap(false);

        mController.onPreferenceChange(mSwitchPreference, true);

        ArgumentCaptor<SoftApConfiguration> config =
                ArgumentCaptor.forClass(SoftApConfiguration.class);
        verify(mWifiManager).setSoftApConfiguration(config.capture());
        assertThat(config.getValue().isBridgedModeOpportunisticShutdownEnabled()).isFalse();
    }

    private boolean getAutoOffSetting() {
        ArgumentCaptor<SoftApConfiguration> softApConfigCaptor =
                ArgumentCaptor.forClass(SoftApConfiguration.class);
        verify(mWifiManager).setSoftApConfiguration(softApConfigCaptor.capture());
        return softApConfigCaptor.getValue().isAutoShutdownEnabled();
    }

    private void setAutoOffSetting(boolean config) {
        mSoftApConfiguration =
                new SoftApConfiguration.Builder(mSoftApConfiguration)
                        .setAutoShutdownEnabled(config)
                        .build();
        when(mWifiManager.getSoftApConfiguration()).thenReturn(mSoftApConfiguration);
    }

    private void setConfigShutdownSecondarySap(boolean enabled) {
        mSoftApConfiguration =
                new SoftApConfiguration.Builder(mSoftApConfiguration)
                        .setBridgedModeOpportunisticShutdownEnabled(enabled)
                        .build();
        when(mWifiManager.getSoftApConfiguration()).thenReturn(mSoftApConfiguration);
    }
}