/*
 * 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.systemui.util;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.util.ArraySet;

import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;

import com.android.systemui.SysuiTestCase;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;

import java.util.Arrays;
import java.util.List;
import java.util.Set;

@SmallTest
@RunWith(AndroidJUnit4.class)
public class NotificationChannelsTest extends SysuiTestCase {
    private final NotificationManager mMockNotificationManager = mock(NotificationManager.class);

    @Before
    public void setup() throws Exception {
        mContext.addMockSystemService(Context.NOTIFICATION_SERVICE, mMockNotificationManager);
    }

    @Test
    public void testChannelSetup() {
        Set<String> ALL_CHANNELS = new ArraySet<>(Arrays.asList(
                NotificationChannels.ALERTS,
                NotificationChannels.SCREENSHOTS_HEADSUP,
                NotificationChannels.STORAGE,
                NotificationChannels.INSTANT,
                NotificationChannels.BATTERY,
                NotificationChannels.HINTS,
                NotificationChannels.SETUP
        ));
        NotificationChannels.createAll(mContext);
        ArgumentCaptor<List> captor = ArgumentCaptor.forClass(List.class);
        verify(mMockNotificationManager).createNotificationChannels(captor.capture());
        final List<NotificationChannel> list = captor.getValue();
        assertEquals(ALL_CHANNELS.size(), list.size());
        list.forEach((chan) -> assertTrue(ALL_CHANNELS.contains(chan.getId())));
    }

    @Test
    public void testChannelCleanup() {
        new NotificationChannels(mContext).start();
        ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
        verify(mMockNotificationManager).deleteNotificationChannel(captor.capture());
        assertEquals(NotificationChannels.GENERAL, captor.getValue());
    }
}