/*
 * Copyright 2010-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * 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://aws.amazon.com/apache2.0
 *
 * This file 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.amazonaws.mobileconnectors.pinpoint.analytics.monetization;

import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.nullValue;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.when;

import com.amazonaws.mobileconnectors.pinpoint.analytics.AnalyticsClient;
import com.amazonaws.mobileconnectors.pinpoint.analytics.AnalyticsEvent;
import com.amazonaws.mobileconnectors.pinpoint.analytics.MobileAnalyticsTestBase;

import com.amazonaws.mobileconnectors.pinpoint.internal.core.PinpointContext;
import com.amazonaws.mobileconnectors.pinpoint.internal.core.configuration.AndroidPreferencesConfiguration;
import com.amazonaws.mobileconnectors.pinpoint.analytics.utils.AnalyticsContextBuilder;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.robolectric.Robolectric;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;

import java.util.Map;

@RunWith(RobolectricTestRunner.class)
@Config(manifest = Config.NONE)
public class GooglePlayMonetizationEventBuilderTest extends MobileAnalyticsTestBase {

    AnalyticsClient mockEventClient = Mockito.mock(AnalyticsClient.class);

    private AnalyticsClient target;

    @Mock
    AndroidPreferencesConfiguration mockConfiguration;

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

        when(mockConfiguration.optString("versionKey", "ver")).thenReturn("ver");
        when(mockConfiguration.optBoolean("isAnalyticsEnabled", true)).thenReturn(true);

        PinpointContext mockContext = new AnalyticsContextBuilder()
                .withConfiguration(mockConfiguration)
                .withContext(Robolectric.application.getApplicationContext())
                .build();

        target = new AnalyticsClient(mockContext);
        AnalyticsEvent testEvent = target.createEvent(MonetizationEventBuilder.PURCHASE_EVENT_NAME);
        when(mockEventClient.createEvent(MonetizationEventBuilder.PURCHASE_EVENT_NAME)).thenReturn(
                testEvent);
    }

    @Test
    public void build_productIdNotSet_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, false, null, "$.99", 1.0, "abc123");
    }

    @Test
    public void build_productIdEmpty_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, false, "", "$.99", 1.0, "abc123");
    }

    @Test
    public void build_quantityNotSet_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, false, "com.amazon.item", "$.99", null, "abc123");
    }

    @Test
    public void build_eventClientNotSet_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(null);
        verifyMonetizationEvent(builder, false, "com.amazon.item", "$.99", 1.0, "abc123");
    }

    @Test
    public void build_noFormattedPriceSet_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, false, "com.amazon.item", null, 1.0, "abc123");
    }

    @Test
    public void build_emptyFormattedPriceSet_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, false, "com.amazon.item", "", 1.0, "abc123");
    }

    @Test
    public void build_noTransactionIdSet_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, false, "com.amazon.item", null, 1.0, null);
    }

    @Test
    public void build_emptyTransactionIdSet_returnsNull() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, false, "com.amazon.item", "", 1.0, "");
    }

    @Test
    public void build_allValuesSet_returnsEvent() {
        GooglePlayMonetizationEventBuilder builder = new GooglePlayMonetizationEventBuilder(
                mockEventClient);
        verifyMonetizationEvent(builder, true, "com.amazon.item", "$.99", 1.0, "abc123");
    }

    private static void verifyMonetizationEvent(GooglePlayMonetizationEventBuilder builder,
            boolean successfulBuild, String productId, String formattedPrice,
            Double quantity, String transactionId) {

        if (productId != null) {
            builder.setProductId(productId);
        }
        if (formattedPrice != null) {
            builder.setFormattedItemPrice(formattedPrice);
        }
        if (quantity != null) {
            builder.setQuantity(quantity);
        }
        if (transactionId != null) {
            builder.setTransactionId(transactionId);
        }

        AnalyticsEvent purchaseEvent = builder.build();

        if (successfulBuild) {
            assertThat(purchaseEvent, is(not(nullValue())));
            assertThat(purchaseEvent.getEventType(),
                    is(MonetizationEventBuilder.PURCHASE_EVENT_NAME));

            Map<String, String> attributes = purchaseEvent.getAllAttributes();
            assertThat(attributes.get(MonetizationEventBuilder.PURCHASE_EVENT_PRODUCT_ID_ATTR),
                    is(productId));
            assertThat(
                    attributes.get(MonetizationEventBuilder.PURCHASE_EVENT_PRICE_FORMATTED_ATTR),
                    is(formattedPrice));
            assertThat(attributes.get(MonetizationEventBuilder.PURCHASE_EVENT_TRANSACTION_ID_ATTR),
                    is(transactionId));
            assertThat(attributes.get(MonetizationEventBuilder.PURCHASE_EVENT_STORE_ATTR),
                    is(MonetizationEventBuilder.GOOGLE_PLAY_STORE));
            assertThat(attributes.get(MonetizationEventBuilder.PURCHASE_EVENT_CURRENCY_ATTR),
                    is(nullValue()));

            Map<String, Double> metrics = purchaseEvent.getAllMetrics();
            assertThat(metrics.get(MonetizationEventBuilder.PURCHASE_EVENT_QUANTITY_METRIC)
                    .doubleValue(), is(quantity));
            assertThat(metrics.get(MonetizationEventBuilder.PURCHASE_EVENT_ITEM_PRICE_METRIC),
                    is(nullValue()));

        } else {
            assertThat(purchaseEvent, is(nullValue()));
        }
    }

}