/*
 * Copyright (C) 2024 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.car.settings.datetime;

import static com.android.car.settings.common.PreferenceController.AVAILABLE;
import static com.android.car.settings.common.PreferenceController.AVAILABLE_FOR_VIEWING;
import static com.android.car.settings.enterprise.ActionDisabledByAdminDialogFragment.DISABLED_BY_ADMIN_CONFIRM_DIALOG_TAG;

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

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import android.app.time.Capabilities;
import android.app.time.TimeCapabilities;
import android.app.time.TimeCapabilitiesAndConfig;
import android.app.time.TimeConfiguration;
import android.app.time.TimeManager;
import android.app.time.TimeZoneCapabilities;
import android.app.time.TimeZoneCapabilitiesAndConfig;
import android.app.time.TimeZoneConfiguration;
import android.car.drivingstate.CarUxRestrictions;
import android.content.Context;
import android.content.Intent;
import android.location.LocationManager;
import android.os.UserManager;
import android.widget.Toast;

import androidx.lifecycle.LifecycleOwner;
import androidx.test.annotation.UiThreadTest;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;

import com.android.car.settings.R;
import com.android.car.settings.common.ConfirmationDialogFragment;
import com.android.car.settings.common.FragmentController;
import com.android.car.settings.common.PreferenceControllerTestUtil;
import com.android.car.settings.enterprise.ActionDisabledByAdminDialogFragment;
import com.android.car.settings.testutils.TestLifecycleOwner;
import com.android.car.ui.preference.CarUiSwitchPreference;
import com.android.dx.mockito.inline.extended.ExtendedMockito;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoSession;
import org.mockito.quality.Strictness;

import java.util.List;

@RunWith(AndroidJUnit4.class)
public class AutoLocalTimeTogglePreferenceControllerTest {
    private static final String TEST_RESTRICTION = UserManager.DISALLOW_CONFIG_DATE_TIME;

    private final LifecycleOwner mLifecycleOwner = new TestLifecycleOwner();
    private final Context mContext = spy(ApplicationProvider.getApplicationContext());

    private CarUiSwitchPreference mPreference;
    private AutoLocalTimeTogglePreferenceController mController;
    private MockitoSession mSession;

    @Mock
    private FragmentController mFragmentController;
    @Mock
    private UserManager mMockUserManager;
    @Mock
    private Toast mMockToast;
    @Mock
    private LocationManager mLocationManager;
    @Mock
    private TimeManager mTimeManager;
    @Mock
    private TimeCapabilities mTimeCapabilities;
    @Mock
    private TimeCapabilitiesAndConfig mTimeCapabilitiesAndConfig;
    @Mock
    private TimeConfiguration mTimeConfiguration;
    @Mock
    private TimeZoneCapabilities mTimeZoneCapabilities;
    @Mock
    private TimeZoneCapabilitiesAndConfig mTimeZoneCapabilitiesAndConfig;
    @Mock
    private TimeZoneConfiguration mTimeZoneConfiguration;

    @Before
    @UiThreadTest
    public void setUp() {
        mSession = ExtendedMockito.mockitoSession()
                .initMocks(this)
                .mockStatic(Toast.class)
                .strictness(Strictness.LENIENT)
                .startMocking();

        mPreference = new CarUiSwitchPreference(mContext);

        when(mContext.getSystemService(UserManager.class)).thenReturn(mMockUserManager);
        when(Toast.makeText(any(), anyString(), anyInt())).thenReturn(mMockToast);

        CarUxRestrictions carUxRestrictions = new CarUxRestrictions.Builder(/* reqOpt= */ true,
                CarUxRestrictions.UX_RESTRICTIONS_BASELINE, /* timestamp= */ 0).build();
        when(mContext.getSystemService(LocationManager.class)).thenReturn(mLocationManager);
        when(mContext.getSystemService(TimeManager.class)).thenReturn(mTimeManager);
        when(mTimeManager.getTimeCapabilitiesAndConfig()).thenReturn(mTimeCapabilitiesAndConfig);
        when(mTimeManager.getTimeZoneCapabilitiesAndConfig())
                .thenReturn(mTimeZoneCapabilitiesAndConfig);
        when(mTimeCapabilitiesAndConfig.getCapabilities()).thenReturn(mTimeCapabilities);
        when(mTimeCapabilitiesAndConfig.getConfiguration()).thenReturn(mTimeConfiguration);
        when(mTimeZoneCapabilitiesAndConfig.getCapabilities()).thenReturn(mTimeZoneCapabilities);
        when(mTimeZoneCapabilitiesAndConfig.getConfiguration()).thenReturn(mTimeZoneConfiguration);
        mController = new AutoLocalTimeTogglePreferenceController(mContext,
                /* preferenceKey= */ "key", mFragmentController, carUxRestrictions);
        PreferenceControllerTestUtil.assignPreference(mController, mPreference);

        mController.onCreate(mLifecycleOwner);
    }

    @After
    @UiThreadTest
    public void tearDown() {
        if (mSession != null) {
            mSession.finishMocking();
        }
    }

    @Test
    public void testRefreshUi_autoLocalTimeSupported_unchecked() {
        mockIsAutoTimeAndTimeZoneDetectionEnabled(false);
        mController.refreshUi();
        assertThat(mPreference.isChecked()).isFalse();
    }

    @Test
    public void testRefreshUi_autoLocalTimeSupported_checked() {
        mockIsAutoTimeAndTimeZoneDetectionEnabled(true);
        mController.refreshUi();
        assertThat(mPreference.isChecked()).isTrue();
    }

    @Test
    public void testOnPreferenceChange_autoTimeZoneSet_shouldSendIntentIfCapabilitiesPossessed() {
        mockAutoTimeAndTimeZoneCapabilities(true);
        when(mLocationManager.isLocationEnabled()).thenReturn(true);

        mPreference.setChecked(true);
        mController.handlePreferenceChanged(mPreference, true);

        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
        verify(mContext, times(1)).sendBroadcast(captor.capture());
        List<Intent> intentsFired = captor.getAllValues();
        assertThat(intentsFired.size()).isEqualTo(1);
        Intent intentFired = intentsFired.get(0);
        assertThat(intentFired.getAction()).isEqualTo(Intent.ACTION_TIME_CHANGED);
        verify(mFragmentController, never())
                .showDialog(any(ConfirmationDialogFragment.class), any());
        assertThat(mPreference.getSummary().toString()).isEqualTo("");
    }

    @Test
    public void testOnPreferenceChange_autoTimeZoneSet_shouldShowDialogIfLocationDisabled() {
        mockAutoTimeAndTimeZoneCapabilities(true);
        when(mLocationManager.isLocationEnabled()).thenReturn(false);

        mPreference.setChecked(true);
        mController.handlePreferenceChanged(mPreference, true);

        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
        verify(mContext, times(1)).sendBroadcast(captor.capture());
        List<Intent> intentsFired = captor.getAllValues();
        assertThat(intentsFired.size()).isEqualTo(1);
        Intent intentFired = intentsFired.get(0);
        assertThat(intentFired.getAction()).isEqualTo(Intent.ACTION_TIME_CHANGED);
        verify(mFragmentController)
                .showDialog(any(ConfirmationDialogFragment.class),
                        eq(ConfirmationDialogFragment.TAG));
        assertThat(mPreference.getSummary().toString()).isEqualTo(
                mContext.getString(R.string.auto_local_time_toggle_summary));
    }

    @Test
    public void testOnPreferenceChange_autoTimeZoneUnset_shouldSendIntentIfCapabilitiesPossessed() {
        mockAutoTimeAndTimeZoneCapabilities(true);

        mPreference.setChecked(false);
        mController.handlePreferenceChanged(mPreference, false);

        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
        verify(mContext, times(1)).sendBroadcast(captor.capture());
        List<Intent> intentsFired = captor.getAllValues();
        assertThat(intentsFired.size()).isEqualTo(1);
        Intent intentFired = intentsFired.get(0);
        assertThat(intentFired.getAction()).isEqualTo(Intent.ACTION_TIME_CHANGED);
        verify(mFragmentController, never())
                .showDialog(any(ConfirmationDialogFragment.class), any());
        assertThat(mPreference.getSummary().toString()).isEqualTo("");
    }

    @Test
    public void testOnPreferenceChange_autoTimeZoneSet_shouldNotSendIntentIfNoCapabilities() {
        mockAutoTimeAndTimeZoneCapabilities(false);

        mPreference.setChecked(true);
        mController.handlePreferenceChanged(mPreference, true);

        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
        verify(mContext, never()).sendBroadcast(captor.capture());
        verify(mFragmentController, never())
                .showDialog(any(ConfirmationDialogFragment.class), any());
    }

    @Test
    public void testOnPreferenceChange_autoTimeZoneUnset_shouldSendNotIntentIfNoCapabilities() {
        mockAutoTimeAndTimeZoneCapabilities(false);

        mPreference.setChecked(false);
        mController.handlePreferenceChanged(mPreference, false);

        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
        verify(mContext, never()).sendBroadcast(captor.capture());
        verify(mFragmentController, never())
                .showDialog(any(ConfirmationDialogFragment.class), any());
    }

    @Test
    public void testGetAvailabilityStatus_restricted_availableForViewing() {
        when(mMockUserManager.hasUserRestriction(TEST_RESTRICTION)).thenReturn(true);

        mController.onCreate(mLifecycleOwner);

        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE_FOR_VIEWING);
        assertThat(mPreference.isEnabled()).isFalse();
    }

    @Test
    public void testGetAvailabilityStatus_notRestricted_available() {
        when(mMockUserManager.hasUserRestriction(TEST_RESTRICTION)).thenReturn(false);

        mController.onCreate(mLifecycleOwner);

        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
        assertThat(mPreference.isEnabled()).isTrue();
    }

    @Test
    @UiThreadTest
    public void testDisabledClick_restrictedByUm_toast() {
        mockUserRestrictionSetByUm(true);
        when(mMockUserManager.hasUserRestriction(TEST_RESTRICTION)).thenReturn(true);
        mController.onCreate(mLifecycleOwner);

        mPreference.performClick();

        assertShowingBlockedToast();
    }

    @Test
    @UiThreadTest
    public void testDisabledClick_restrictedByDpm_dialog() {
        mockUserRestrictionSetByDpm(true);
        mController.onCreate(mLifecycleOwner);

        mPreference.performClick();

        assertShowingDisabledByAdminDialog();
    }

    private void mockUserRestrictionSetByUm(boolean restricted) {
        when(mMockUserManager.hasBaseUserRestriction(eq(TEST_RESTRICTION), any()))
                .thenReturn(restricted);
    }

    private void mockUserRestrictionSetByDpm(boolean restricted) {
        mockUserRestrictionSetByUm(false);
        when(mMockUserManager.hasUserRestriction(TEST_RESTRICTION)).thenReturn(restricted);
    }

    private void assertShowingBlockedToast() {
        String toastText = mContext.getResources().getString(R.string.action_unavailable);
        ExtendedMockito.verify(
                () -> Toast.makeText(any(), eq(toastText), anyInt()));
        verify(mMockToast).show();
    }

    private void assertShowingDisabledByAdminDialog() {
        verify(mFragmentController).showDialog(any(ActionDisabledByAdminDialogFragment.class),
                eq(DISABLED_BY_ADMIN_CONFIRM_DIALOG_TAG));
    }

    private void mockAutoTimeAndTimeZoneCapabilities(boolean isEnabled) {
        when(mTimeCapabilities.getConfigureAutoDetectionEnabledCapability())
                .thenReturn(isEnabled ? Capabilities.CAPABILITY_POSSESSED
                        : Capabilities.CAPABILITY_NOT_SUPPORTED);
        when(mTimeZoneCapabilities.getConfigureAutoDetectionEnabledCapability())
                .thenReturn(isEnabled ? Capabilities.CAPABILITY_POSSESSED
                        : Capabilities.CAPABILITY_NOT_SUPPORTED);
    }

    private void mockIsAutoTimeAndTimeZoneDetectionEnabled(boolean isEnabled) {
        mockAutoTimeAndTimeZoneCapabilities(isEnabled);
        when(mTimeConfiguration.isAutoDetectionEnabled()).thenReturn(isEnabled);
        when(mTimeZoneConfiguration.isAutoDetectionEnabled()).thenReturn(isEnabled);
    }
}