/*
 * Copyright (C) 2016 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.settingslib.core.instrumentation;

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

import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;

import android.app.Activity;
import android.app.settings.SettingsEnums;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;

import androidx.preference.Preference;

import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.Robolectric;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.util.ReflectionHelpers;

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

@RunWith(RobolectricTestRunner.class)
public class MetricsFeatureProviderTest {
    @Mock
    private LogWriter mLogWriter;

    private Context mContext;
    private MetricsFeatureProvider mProvider;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        mContext = RuntimeEnvironment.application;
        mProvider = new MetricsFeatureProvider();
        List<LogWriter> writers = new ArrayList<>();
        writers.add(mLogWriter);
        ReflectionHelpers.setField(mProvider, "mLoggerWriters", writers);
    }

    @Test
    public void logClickedPreference_preferenceEmpty_shouldNotLog() {
        final boolean loggable = mProvider.logClickedPreference(null /* preference */,
                MetricsEvent.SETTINGS_GESTURES);

        assertThat(loggable).isFalse();
        verifyNoMoreInteractions(mLogWriter);
    }

    @Test
    public void logClickedPreference_preferenceHasKey_shouldLog() {
        final String key = "abc";
        final Preference preference = new Preference(mContext);
        preference.setKey(key);

        final boolean loggable = mProvider.logClickedPreference(preference,
                MetricsEvent.SETTINGS_GESTURES);

        assertThat(loggable).isTrue();
        verify(mLogWriter).action(
                MetricsEvent.SETTINGS_GESTURES,
                MetricsEvent.ACTION_SETTINGS_TILE_CLICK,
                SettingsEnums.PAGE_UNKNOWN,
                key,
                0);
    }

    @Test
    public void logClickedPreference_preferenceHasIntent_shouldLog() {
        final Preference preference = new Preference(mContext);
        final Intent intent = new Intent(Intent.ACTION_ASSIST);
        preference.setIntent(intent);

        final boolean loggable = mProvider.logClickedPreference(preference,
                MetricsEvent.SETTINGS_GESTURES);

        assertThat(loggable).isTrue();
        verify(mLogWriter).action(
                MetricsEvent.SETTINGS_GESTURES,
                MetricsEvent.ACTION_SETTINGS_TILE_CLICK,
                SettingsEnums.PAGE_UNKNOWN,
                Intent.ACTION_ASSIST,
                0);
    }

    @Test
    public void logClickedPreference_preferenceHasFragment_shouldLog() {
        final Preference preference = new Preference(mContext);
        final String fragment = "com.android.settings.tts.TextToSpeechSettings";
        preference.setFragment(fragment);

        final boolean loggable = mProvider.logClickedPreference(preference,
                MetricsEvent.SETTINGS_GESTURES);

        assertThat(loggable).isTrue();
        verify(mLogWriter).action(
                MetricsEvent.SETTINGS_GESTURES,
                MetricsEvent.ACTION_SETTINGS_TILE_CLICK,
                SettingsEnums.PAGE_UNKNOWN,
                fragment,
                0);
    }

    @Test
    public void logStartedIntent_intentEmpty_shouldNotLog() {
        final boolean loggable = mProvider.logStartedIntent(null /* intent */,
                MetricsEvent.SETTINGS_GESTURES);

        assertThat(loggable).isFalse();
        verifyNoMoreInteractions(mLogWriter);
    }

    @Test
    public void logStartedIntent_intentHasNoComponent_shouldLog() {
        final Intent intent = new Intent(Intent.ACTION_ASSIST);

        final boolean loggable = mProvider.logStartedIntent(intent, MetricsEvent.SETTINGS_GESTURES);

        assertThat(loggable).isTrue();
        verify(mLogWriter).action(
                MetricsEvent.SETTINGS_GESTURES,
                MetricsEvent.ACTION_SETTINGS_TILE_CLICK,
                SettingsEnums.PAGE_UNKNOWN,
                Intent.ACTION_ASSIST,
                0);
    }

    @Test
    public void logStartedIntent_intentIsExternal_shouldLog() {
        final Intent intent = new Intent().setComponent(new ComponentName("pkg", "cls"));

        final boolean loggable = mProvider.logStartedIntent(intent, MetricsEvent.SETTINGS_GESTURES);

        assertThat(loggable).isTrue();
        verify(mLogWriter).action(
                MetricsEvent.SETTINGS_GESTURES,
                MetricsEvent.ACTION_SETTINGS_TILE_CLICK,
                SettingsEnums.PAGE_UNKNOWN,
                "pkg/cls",
                0);
    }

    @Test
    public void getAttribution_noActivity_shouldReturnUnknown() {
        assertThat(mProvider.getAttribution(null /* activity */))
                .isEqualTo(SettingsEnums.PAGE_UNKNOWN);
    }

    @Test
    public void getAttribution_notSet_shouldReturnUnknown() {
        final Activity activity = Robolectric.setupActivity(Activity.class);

        assertThat(mProvider.getAttribution(activity))
                .isEqualTo(SettingsEnums.PAGE_UNKNOWN);
    }

    @Test
    public void getAttribution_set_shouldReturnAttribution() {
        final Intent intent = new Intent()
                .putExtra(MetricsFeatureProvider.EXTRA_SOURCE_METRICS_CATEGORY, 100);

        final Activity activity = Robolectric.buildActivity(Activity.class, intent).create().get();

        assertThat(mProvider.getAttribution(activity)).isEqualTo(100);
    }
}