/*
 * Copyright 2019 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.security;

import static android.os.UserManager.DISALLOW_CONFIG_CREDENTIALS;

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.google.common.truth.Truth.assertThat;

import android.content.Context;
import android.os.UserHandle;
import android.os.UserManager;

import androidx.preference.Preference;

import com.android.car.settings.common.PreferenceControllerTestHelper;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.shadow.api.Shadow;
import org.robolectric.shadows.ShadowUserManager;

/** Unit test for {@link CredentialsResetPreferenceController}. */
@RunWith(RobolectricTestRunner.class)
public class CredentialsResetPreferenceControllerTest {

    private PreferenceControllerTestHelper<CredentialsResetPreferenceController> mControllerHelper;
    private UserHandle mMyUserHandle;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        mMyUserHandle = UserHandle.of(UserHandle.myUserId());

        Context context = RuntimeEnvironment.application;
        mControllerHelper = new PreferenceControllerTestHelper<>(context,
                CredentialsResetPreferenceController.class, new Preference(context));
    }

    @Test
    public void getAvailabilityStatus_noRestrictions_returnsAvailable() {
        getShadowUserManager().setUserRestriction(
                mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, false);

        assertThat(mControllerHelper.getController().getAvailabilityStatus()).isEqualTo(AVAILABLE);
    }

    @Test
    public void getAvailabilityStatus_noRestrictions_returnsAvailable_zoneWrite() {
        mControllerHelper.getController().setAvailabilityStatusForZone("write");
        getShadowUserManager().setUserRestriction(
                mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, false);

        assertThat(mControllerHelper.getController().getAvailabilityStatus()).isEqualTo(AVAILABLE);
    }

    @Test
    public void getAvailabilityStatus_noRestrictions_returnsAvailable_zoneRead() {
        mControllerHelper.getController().setAvailabilityStatusForZone("read");
        getShadowUserManager().setUserRestriction(
                mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, false);

        assertThat(mControllerHelper.getController().getAvailabilityStatus())
                .isEqualTo(AVAILABLE_FOR_VIEWING);
    }

    @Test
    public void getAvailabilityStatus_noRestrictions_returnsAvailable_zoneHidden() {
        mControllerHelper.getController().setAvailabilityStatusForZone("hidden");
        getShadowUserManager().setUserRestriction(
                mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, false);

        assertThat(mControllerHelper.getController().getAvailabilityStatus())
                .isEqualTo(CONDITIONALLY_UNAVAILABLE);
    }

    @Test
    public void getAvailabilityStatus_userRestricted_returnsDisabledForUser() {
        getShadowUserManager().setUserRestriction(mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, true);


        assertThat(mControllerHelper.getController().getAvailabilityStatus()).isEqualTo(
                DISABLED_FOR_PROFILE);
    }

    @Test
    public void getAvailabilityStatus_userRestricted_returnsDisabledForUser_zoneWrite() {
        mControllerHelper.getController().setAvailabilityStatusForZone("write");
        getShadowUserManager().setUserRestriction(mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, true);

        assertThat(mControllerHelper.getController().getAvailabilityStatus()).isEqualTo(
                DISABLED_FOR_PROFILE);
    }

    @Test
    public void getAvailabilityStatus_userRestricted_returnsDisabledForUser_zoneRead() {
        mControllerHelper.getController().setAvailabilityStatusForZone("read");
        getShadowUserManager().setUserRestriction(mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, true);

        assertThat(mControllerHelper.getController().getAvailabilityStatus()).isEqualTo(
                DISABLED_FOR_PROFILE);
    }

    @Test
    public void getAvailabilityStatus_userRestricted_returnsDisabledForUser_zoneHidden() {
        mControllerHelper.getController().setAvailabilityStatusForZone("hidden");
        getShadowUserManager().setUserRestriction(mMyUserHandle, DISALLOW_CONFIG_CREDENTIALS, true);

        assertThat(mControllerHelper.getController().getAvailabilityStatus()).isEqualTo(
                DISABLED_FOR_PROFILE);
    }

    private ShadowUserManager getShadowUserManager() {
        return Shadow.extract(UserManager.get(RuntimeEnvironment.application));
    }
}