/*
 * Copyright (C) 2020 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.profiles;

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.common.PreferenceController.CONDITIONALLY_UNAVAILABLE;
import static com.android.car.settings.common.PreferenceController.DISABLED_FOR_PROFILE;
import static com.android.car.settings.enterprise.ActionDisabledByAdminDialogFragment.DISABLED_BY_ADMIN_CONFIRM_DIALOG_TAG;
import static com.android.car.settings.profiles.AddProfilePreferenceController.MAX_PROFILES_LIMIT_REACHED_DIALOG_TAG;

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

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import android.car.drivingstate.CarUxRestrictions;
import android.content.Context;
import android.os.UserManager;

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.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.EnterpriseTestUtils;
import com.android.car.settings.testutils.ResourceTestUtils;
import com.android.car.settings.testutils.TestLifecycleOwner;
import com.android.car.ui.preference.CarUiPreference;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

@RunWith(AndroidJUnit4.class)
public class AddProfilePreferenceControllerTest {
    private static final String TEST_RESTRICTION =
            android.os.UserManager.DISALLOW_ADD_USER;
    private Context mContext = spy(ApplicationProvider.getApplicationContext());
    private LifecycleOwner mLifecycleOwner;
    private CarUiPreference mPreference;
    private AddProfilePreferenceController mPreferenceController;
    private CarUxRestrictions mCarUxRestrictions;

    @Mock
    private FragmentController mFragmentController;
    @Mock
    private UserManager mUserManager;
    @Mock
    private ProfileHelper mMockProfileHelper;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        mLifecycleOwner = new TestLifecycleOwner();

        mCarUxRestrictions = new CarUxRestrictions.Builder(/* reqOpt= */ true,
                CarUxRestrictions.UX_RESTRICTIONS_BASELINE, /* timestamp= */ 0).build();
        mPreference = new CarUiPreference(mContext);
        mPreferenceController = new AddProfilePreferenceController(mContext,
                /* preferenceKey= */ "key", mFragmentController, mCarUxRestrictions);
        when(mContext.getSystemService(UserManager.class)).thenReturn(mUserManager);
        mPreferenceController.setUserManager(mUserManager);
        PreferenceControllerTestUtil.assignPreference(mPreferenceController, mPreference);
    }

    @Test
    public void onCreate_userInDemoMode_showsExitRetailModeButton() {
        when(mUserManager.isDemoUser()).thenReturn(true);

        mPreferenceController.onCreate(mLifecycleOwner);

        assertThat(mPreference.isVisible()).isTrue();
        assertThat(mPreference.getTitle()).isEqualTo(
                ResourceTestUtils.getString(mContext, "exit_retail_button_text"));
    }

    @Test
    public void onCreate_userCanAddNewProfile_showsAddProfileButton() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER)).thenReturn(false);

        mPreferenceController.onCreate(mLifecycleOwner);

        assertThat(mPreferenceController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
        assertThat(mPreference.isVisible()).isTrue();
        assertThat(mPreference.getTitle()).isEqualTo(
                ResourceTestUtils.getString(mContext, "add_profile_text"));
    }

    @Test
    public void onCreate_userCanAddNewProfile_showsAddProfileButton_zoneWrite() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER)).thenReturn(false);

        mPreferenceController.setAvailabilityStatusForZone("write");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), AVAILABLE);
        assertThat(mPreference.isVisible()).isTrue();
        assertThat(mPreference.getTitle()).isEqualTo(
                ResourceTestUtils.getString(mContext, "add_profile_text"));
    }

    @Test
    public void onCreate_userCanAddNewProfile_showsAddProfileButton_zoneRead() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER)).thenReturn(false);

        mPreferenceController.setAvailabilityStatusForZone("read");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), AVAILABLE_FOR_VIEWING);
        assertThat(mPreference.isVisible()).isTrue();
        assertThat(mPreference.getTitle()).isEqualTo(
                ResourceTestUtils.getString(mContext, "add_profile_text"));
    }

    @Test
    public void onCreate_userCanAddNewProfile_showsAddProfileButton_zoneHidden() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER)).thenReturn(false);

        mPreferenceController.setAvailabilityStatusForZone("hidden");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), CONDITIONALLY_UNAVAILABLE);
        assertThat(mPreference.isVisible()).isFalse();
    }

    @Test
    public void onCreate_userRestrictedByDpmFromAddingNewProfileAndNotInDemo_availableForViewing() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.canAddMoreUsers()).thenReturn(true);
        EnterpriseTestUtils
                .mockUserRestrictionSetByDpm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.onCreate(mLifecycleOwner);

        assertThat(mPreferenceController.getAvailabilityStatus()).isEqualTo(AVAILABLE_FOR_VIEWING);
    }

    @Test
    public void onCreate_addingNewProfileAndNotInDemo_availableForViewing_zoneWrite() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.canAddMoreUsers()).thenReturn(true);
        EnterpriseTestUtils
                .mockUserRestrictionSetByDpm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.setAvailabilityStatusForZone("write");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), AVAILABLE_FOR_VIEWING);
    }

    @Test
    public void onCreate_addingNewProfileAndNotInDemo_availableForViewing_zoneRead() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.canAddMoreUsers()).thenReturn(true);
        EnterpriseTestUtils
                .mockUserRestrictionSetByDpm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.setAvailabilityStatusForZone("read");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), AVAILABLE_FOR_VIEWING);
    }

    @Test
    public void onCreate_addingNewProfileAndNotInDemo_availableForViewing_zoneHidden() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.canAddMoreUsers()).thenReturn(true);
        EnterpriseTestUtils
                .mockUserRestrictionSetByDpm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.setAvailabilityStatusForZone("hidden");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), CONDITIONALLY_UNAVAILABLE);
    }

    @Test
    public void onCreate_userRestrictedByUmFromAddingNewProfileAndNotInDemo_buttonDisabled() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        EnterpriseTestUtils
                .mockUserRestrictionSetByUm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.onCreate(mLifecycleOwner);

        assertThat(mPreferenceController.getAvailabilityStatus()).isEqualTo(DISABLED_FOR_PROFILE);
        assertThat(mPreference.isVisible()).isFalse();
    }

    @Test
    public void onCreate_addingNewProfileAndNotInDemo_buttonDisabled_zoneWrite() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        EnterpriseTestUtils
                .mockUserRestrictionSetByUm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.setAvailabilityStatusForZone("write");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), DISABLED_FOR_PROFILE);
        assertThat(mPreference.isVisible()).isFalse();
    }

    @Test
    public void onCreate_addingNewProfileAndNotInDemo_buttonDisabled_zoneRead() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        EnterpriseTestUtils
                .mockUserRestrictionSetByUm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.setAvailabilityStatusForZone("read");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), DISABLED_FOR_PROFILE);
        assertThat(mPreference.isVisible()).isFalse();
    }

    @Test
    public void onCreate_addingNewProfileAndNotInDemo_buttonDisabled_zoneHidden() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        EnterpriseTestUtils
                .mockUserRestrictionSetByUm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.setAvailabilityStatusForZone("hidden");
        mPreferenceController.onCreate(mLifecycleOwner);

        PreferenceControllerTestUtil.assertAvailability(
                mPreferenceController.getAvailabilityStatus(), DISABLED_FOR_PROFILE);
        assertThat(mPreference.isVisible()).isFalse();
    }

    /* Test that if the max num of profiles is reached, clicking on the button informs user of
    that. */
    @Test
    public void testCallOnClick_profileLimitReached_showErrorDialog() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        EnterpriseTestUtils
                .mockUserRestrictionSetByUm(mUserManager, TEST_RESTRICTION, false);
        when(mUserManager.canAddMoreUsers()).thenReturn(false);

        mPreferenceController.onCreate(mLifecycleOwner);
        mPreference.performClick();

        verify(mFragmentController).showDialog(any(ConfirmationDialogFragment.class),
                eq(MAX_PROFILES_LIMIT_REACHED_DIALOG_TAG));
    }

    @Test
    @UiThreadTest
    public void disabledClick_restrictedByDpm_dialog() {
        when(mUserManager.isDemoUser()).thenReturn(false);
        when(mUserManager.canAddMoreUsers()).thenReturn(true);
        EnterpriseTestUtils
                .mockUserRestrictionSetByDpm(mUserManager, TEST_RESTRICTION, true);

        mPreferenceController.onCreate(mLifecycleOwner);
        mPreference.performClick();

        assertShowingDisabledByAdminDialog();
    }

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