/*
 * Copyright (C) 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 android.view.textclassifier.intent;

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

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.ArgumentMatchers.same;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;

import android.content.Context;
import android.content.Intent;
import android.view.textclassifier.TextClassifier;

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

import com.google.android.textclassifier.AnnotatorModel;
import com.google.android.textclassifier.RemoteActionTemplate;

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

import java.util.List;

@SmallTest
@RunWith(AndroidJUnit4.class)
public class TemplateClassificationIntentFactoryTest {

    private static final String TEXT = "text";
    private static final String TITLE_WITHOUT_ENTITY = "Map";
    private static final String DESCRIPTION = "Opens in Maps";
    private static final String DESCRIPTION_WITH_APP_NAME = "Use %1$s to open Map";
    private static final String ACTION = Intent.ACTION_VIEW;

    @Mock
    private ClassificationIntentFactory mFallback;
    private TemplateClassificationIntentFactory mTemplateClassificationIntentFactory;

    @Before
    public void setup() {
        MockitoAnnotations.initMocks(this);
        mTemplateClassificationIntentFactory = new TemplateClassificationIntentFactory(
                new TemplateIntentFactory(),
                mFallback);
    }

    @Test
    public void create_foreignText() {
        AnnotatorModel.ClassificationResult classificationResult =
                new AnnotatorModel.ClassificationResult(
                        TextClassifier.TYPE_ADDRESS,
                        1.0f,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        createRemoteActionTemplates(),
                        0L,
                        0L,
                        0d);

        List<LabeledIntent> intents =
                mTemplateClassificationIntentFactory.create(
                        InstrumentationRegistry.getContext(),
                        TEXT,
                        /* foreignText */ true,
                        null,
                        classificationResult);

        assertThat(intents).hasSize(2);
        LabeledIntent labeledIntent = intents.get(0);
        assertThat(labeledIntent.titleWithoutEntity).isEqualTo(TITLE_WITHOUT_ENTITY);
        Intent intent = labeledIntent.intent;
        assertThat(intent.getAction()).isEqualTo(ACTION);

        labeledIntent = intents.get(1);
        intent = labeledIntent.intent;
        assertThat(intent.getAction()).isEqualTo(Intent.ACTION_TRANSLATE);
    }

    @Test
    public void create_notForeignText() {
        AnnotatorModel.ClassificationResult classificationResult =
                new AnnotatorModel.ClassificationResult(
                        TextClassifier.TYPE_ADDRESS,
                        1.0f,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        createRemoteActionTemplates(),
                        0L,
                        0L,
                        0d);

        List<LabeledIntent> intents =
                mTemplateClassificationIntentFactory.create(
                        InstrumentationRegistry.getContext(),
                        TEXT,
                        /* foreignText */ false,
                        null,
                        classificationResult);

        assertThat(intents).hasSize(1);
        LabeledIntent labeledIntent = intents.get(0);
        assertThat(labeledIntent.titleWithoutEntity).isEqualTo(TITLE_WITHOUT_ENTITY);
        Intent intent = labeledIntent.intent;
        assertThat(intent.getAction()).isEqualTo(ACTION);
    }

    @Test
    public void create_nullTemplate() {
        AnnotatorModel.ClassificationResult classificationResult =
                new AnnotatorModel.ClassificationResult(
                        TextClassifier.TYPE_ADDRESS,
                        1.0f,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        0L,
                        0L,
                        0d);

        mTemplateClassificationIntentFactory.create(
                InstrumentationRegistry.getContext(),
                TEXT,
                /* foreignText */ false,
                null,
                classificationResult);


        verify(mFallback).create(
                same(InstrumentationRegistry.getContext()), eq(TEXT), eq(false), eq(null),
                same(classificationResult));
    }

    @Test
    public void create_emptyResult() {
        AnnotatorModel.ClassificationResult classificationResult =
                new AnnotatorModel.ClassificationResult(
                        TextClassifier.TYPE_ADDRESS,
                        1.0f,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        new RemoteActionTemplate[0],
                        0L,
                        0L,
                        0d);

        mTemplateClassificationIntentFactory.create(
                InstrumentationRegistry.getContext(),
                TEXT,
                /* foreignText */ false,
                null,
                classificationResult);


        verify(mFallback, never()).create(
                any(Context.class), eq(TEXT), eq(false), eq(null),
                any(AnnotatorModel.ClassificationResult.class));
    }


    private static RemoteActionTemplate[] createRemoteActionTemplates() {
        return new RemoteActionTemplate[]{
                new RemoteActionTemplate(
                        TITLE_WITHOUT_ENTITY,
                        null,
                        DESCRIPTION,
                        DESCRIPTION_WITH_APP_NAME,
                        ACTION,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null
                )
        };
    }
}