/*
 * 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.server.notification;

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.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import android.app.Notification;
import android.content.pm.LauncherApps;
import android.content.pm.ShortcutInfo;
import android.content.pm.ShortcutServiceInternal;
import android.os.UserHandle;
import android.service.notification.StatusBarNotification;
import android.test.suitebuilder.annotation.SmallTest;
import android.testing.TestableLooper;

import androidx.test.runner.AndroidJUnit4;

import com.android.server.UiServiceTestCase;

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

import java.util.ArrayList;
import java.util.List;

@SmallTest
@RunWith(AndroidJUnit4.class)
@TestableLooper.RunWithLooper
public class ShortcutHelperTest extends UiServiceTestCase {

    private static final String SHORTCUT_ID = "shortcut";
    private static final String PKG = "pkg";
    private static final String KEY = "key";

    @Mock
    LauncherApps mLauncherApps;
    @Mock
    ShortcutHelper.ShortcutListener mShortcutListener;
    @Mock
    ShortcutServiceInternal mShortcutServiceInternal;
    @Mock
    NotificationRecord mNr;
    @Mock
    Notification mNotif;
    @Mock
    StatusBarNotification mSbn;
    @Mock
    Notification.BubbleMetadata mBubbleMetadata;

    ShortcutHelper mShortcutHelper;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);

        mShortcutHelper = new ShortcutHelper(
                mLauncherApps, mShortcutListener, mShortcutServiceInternal);
        when(mNr.getKey()).thenReturn(KEY);
        when(mNr.getSbn()).thenReturn(mSbn);
        when(mSbn.getPackageName()).thenReturn(PKG);
        when(mNr.getNotification()).thenReturn(mNotif);
        when(mNotif.getBubbleMetadata()).thenReturn(mBubbleMetadata);
        when(mBubbleMetadata.getShortcutId()).thenReturn(SHORTCUT_ID);
    }

    private LauncherApps.Callback addShortcutBubbleAndVerifyListener() {
        when(mNotif.isBubbleNotification()).thenReturn(true);

        mShortcutHelper.maybeListenForShortcutChangesForBubbles(mNr,
                false /* removed */,
                null /* handler */);

        ArgumentCaptor<LauncherApps.Callback> launcherAppsCallback =
                ArgumentCaptor.forClass(LauncherApps.Callback.class);

        verify(mLauncherApps, times(1)).registerCallback(
                launcherAppsCallback.capture(), any());
        return launcherAppsCallback.getValue();
    }

    @Test
    public void testBubbleAdded_listenedAdded() {
        addShortcutBubbleAndVerifyListener();
    }

    @Test
    public void testBubbleRemoved_listenerRemoved() {
        // First set it up to listen
        addShortcutBubbleAndVerifyListener();

        // Then remove the notif
        mShortcutHelper.maybeListenForShortcutChangesForBubbles(mNr,
                true /* removed */,
                null /* handler */);

        verify(mLauncherApps, times(1)).unregisterCallback(any());
    }

    @Test
    public void testBubbleNoLongerBubble_listenerRemoved() {
        // First set it up to listen
        addShortcutBubbleAndVerifyListener();

        // Then make it not a bubble
        when(mNotif.isBubbleNotification()).thenReturn(false);
        mShortcutHelper.maybeListenForShortcutChangesForBubbles(mNr,
                false /* removed */,
                null /* handler */);

        verify(mLauncherApps, times(1)).unregisterCallback(any());
    }

    @Test
    public void testListenerNotifiedOnShortcutRemoved() {
        LauncherApps.Callback callback = addShortcutBubbleAndVerifyListener();

        List<ShortcutInfo> shortcutInfos = new ArrayList<>();
        when(mLauncherApps.getShortcuts(any(), any())).thenReturn(shortcutInfos);

        callback.onShortcutsChanged(PKG, shortcutInfos, mock(UserHandle.class));
        verify(mShortcutListener).onShortcutRemoved(mNr.getKey());
    }

    @Test
    public void testGetValidShortcutInfo_noMatchingShortcut() {
        when(mLauncherApps.getShortcuts(any(), any())).thenReturn(null);
        when(mShortcutServiceInternal.isSharingShortcut(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any())).thenReturn(true);

        assertThat(mShortcutHelper.getValidShortcutInfo("a", "p", UserHandle.SYSTEM)).isNull();
    }

    @Test
    public void testGetValidShortcutInfo_nullShortcut() {
        ArrayList<ShortcutInfo> shortcuts = new ArrayList<>();
        shortcuts.add(null);
        when(mLauncherApps.getShortcuts(any(), any())).thenReturn(shortcuts);
        when(mShortcutServiceInternal.isSharingShortcut(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any())).thenReturn(true);

        assertThat(mShortcutHelper.getValidShortcutInfo("a", "p", UserHandle.SYSTEM)).isNull();
    }

    @Test
    public void testGetValidShortcutInfo_notLongLived() {
        ShortcutInfo si = mock(ShortcutInfo.class);
        when(si.isLongLived()).thenReturn(false);
        when(si.isEnabled()).thenReturn(true);
        ArrayList<ShortcutInfo> shortcuts = new ArrayList<>();
        shortcuts.add(si);
        when(mLauncherApps.getShortcuts(any(), any())).thenReturn(shortcuts);
        when(mShortcutServiceInternal.isSharingShortcut(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any())).thenReturn(true);

        assertThat(mShortcutHelper.getValidShortcutInfo("a", "p", UserHandle.SYSTEM)).isNull();
    }

    @Test
    public void testGetValidShortcutInfo_notSharingShortcut() {
        ShortcutInfo si = mock(ShortcutInfo.class);
        when(si.isLongLived()).thenReturn(true);
        when(si.isEnabled()).thenReturn(true);
        ArrayList<ShortcutInfo> shortcuts = new ArrayList<>();
        shortcuts.add(si);
        when(mLauncherApps.getShortcuts(any(), any())).thenReturn(shortcuts);
        when(mShortcutServiceInternal.isSharingShortcut(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any())).thenReturn(false);

        assertThat(mShortcutHelper.getValidShortcutInfo("a", "p", UserHandle.SYSTEM)).isNull();
    }

    @Test
    public void testGetValidShortcutInfo_notEnabled() {
        ShortcutInfo si = mock(ShortcutInfo.class);
        when(si.isLongLived()).thenReturn(true);
        when(si.isEnabled()).thenReturn(false);
        ArrayList<ShortcutInfo> shortcuts = new ArrayList<>();
        shortcuts.add(si);
        when(mLauncherApps.getShortcuts(any(), any())).thenReturn(shortcuts);
        when(mShortcutServiceInternal.isSharingShortcut(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any())).thenReturn(true);

        assertThat(mShortcutHelper.getValidShortcutInfo("a", "p", UserHandle.SYSTEM)).isNull();
    }

    @Test
    public void testGetValidShortcutInfo_isValid() {
        ShortcutInfo si = mock(ShortcutInfo.class);
        when(si.isLongLived()).thenReturn(true);
        when(si.isEnabled()).thenReturn(true);
        ArrayList<ShortcutInfo> shortcuts = new ArrayList<>();
        shortcuts.add(si);
        when(mLauncherApps.getShortcuts(any(), any())).thenReturn(shortcuts);
        when(mShortcutServiceInternal.isSharingShortcut(anyInt(), anyString(), anyString(),
                anyString(), anyInt(), any())).thenReturn(true);

        assertThat(mShortcutHelper.getValidShortcutInfo("a", "p", UserHandle.SYSTEM)).isSameAs(si);
    }
}