/*
 * 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.password;

import static android.view.WindowManager.LayoutParams.FLAG_SECURE;

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

import static org.robolectric.RuntimeEnvironment.application;

import android.content.Intent;
import android.os.UserHandle;
import android.view.View;

import com.android.internal.widget.LockPatternUtils;
import com.android.internal.widget.LockscreenCredential;
import com.android.settings.R;
import com.android.settings.password.ChooseLockPattern.ChooseLockPatternFragment;
import com.android.settings.password.ChooseLockPattern.IntentBuilder;
import com.android.settings.testutils.shadow.ShadowUtils;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.Robolectric;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;

@RunWith(RobolectricTestRunner.class)
@Config(shadows = ShadowUtils.class)
public class ChooseLockPatternTest {

    @Test
    public void activityCreationTest() {
        // Basic test for activity created without crashing
        Robolectric.buildActivity(ChooseLockPattern.class, new IntentBuilder(application).build())
                .setup().get();
    }

    @Test
    public void intentBuilder_setPattern_shouldAddExtras() {
        Intent intent = new IntentBuilder(application)
                .setPattern(createPattern("1234"))
                .setUserId(123)
                .build();

        assertWithMessage("EXTRA_KEY_FORCE_VERIFY").that(intent
                .getBooleanExtra(ChooseLockSettingsHelper.EXTRA_KEY_FORCE_VERIFY, false))
                .isFalse();
        assertWithMessage("EXTRA_KEY_PASSWORD").that((LockscreenCredential) intent
                .getParcelableExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD))
                .isEqualTo(createPattern("1234"));
        assertWithMessage("EXTRA_USER_ID").that(intent.getIntExtra(Intent.EXTRA_USER_ID, 0))
                .isEqualTo(123);
    }

    @Test
    public void intentBuilder_setRequestGatekeeperPassword_shouldAddExtras() {
        Intent intent = new IntentBuilder(application)
                .setRequestGatekeeperPasswordHandle(true)
                .setUserId(123)
                .build();

        assertWithMessage("EXTRA_KEY_REQUEST_GK_PW").that(intent
                .getBooleanExtra(ChooseLockSettingsHelper.EXTRA_KEY_REQUEST_GK_PW_HANDLE, false))
                .isTrue();
        assertWithMessage("EXTRA_USER_ID")
                .that(intent.getIntExtra(Intent.EXTRA_USER_ID, 0))
                .isEqualTo(123);
    }

    @Test
    public void intentBuilder_setProfileToUnify_shouldAddExtras() {
        Intent intent = new IntentBuilder(application)
                .setProfileToUnify(23, LockscreenCredential.createNone())
                .build();

        assertWithMessage("EXTRA_KEY_UNIFICATION_PROFILE_ID").that(intent
                .getIntExtra(ChooseLockSettingsHelper.EXTRA_KEY_UNIFICATION_PROFILE_ID, 0))
                .isEqualTo(23);
        assertWithMessage("EXTRA_KEY_UNIFICATION_PROFILE_CREDENTIAL").that(
                (LockscreenCredential) intent.getParcelableExtra(
                        ChooseLockSettingsHelper.EXTRA_KEY_UNIFICATION_PROFILE_CREDENTIAL))
                .isNotNull();
    }

    @Config(qualifiers = "sw300dp")
    @Test
    public void smallScreens_shouldHideIcon() {
        ChooseLockPattern activity = createActivity(true);
        ChooseLockPatternFragment fragment = (ChooseLockPatternFragment)
                activity.getSupportFragmentManager().findFragmentById(R.id.main_content);

        View iconView = fragment.getView().findViewById(R.id.sud_layout_icon);
        assertThat(iconView.getVisibility()).isEqualTo(View.GONE);
    }

    @Test
    public void activity_shouldHaveSecureFlag() {
        final ChooseLockPattern activity = Robolectric.buildActivity(
                ChooseLockPattern.class, new IntentBuilder(application).build()).setup().get();
        final int flags = activity.getWindow().getAttributes().flags;
        assertThat(flags & FLAG_SECURE).isEqualTo(FLAG_SECURE);
    }

    private ChooseLockPattern createActivity(boolean addFingerprintExtra) {
        return Robolectric.buildActivity(
                ChooseLockPattern.class,
                new IntentBuilder(application)
                        .setUserId(UserHandle.myUserId())
                        .setForFingerprint(addFingerprintExtra)
                        .build())
                .setup().get();
    }

    private LockscreenCredential createPattern(String patternString) {
        return LockscreenCredential.createPattern(LockPatternUtils.byteArrayToPattern(
                patternString.getBytes()));
    }
}