/*
 * Copyright (c) 2022 Snowplow Analytics Ltd, 2010 Anthon Pang
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice, this
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
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 * 3. Neither the name of the copyright holder nor the names of its
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 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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import { addTracker, SharedState } from '@snowplow/browser-tracker-core';
import F from 'lodash/fp';
import {
  EnhancedEcommercePlugin,
  addEnhancedEcommerceActionContext,
  addEnhancedEcommerceImpressionContext,
  addEnhancedEcommerceProductContext,
  addEnhancedEcommercePromoContext,
  trackEnhancedEcommerceAction,
} from '../src';
import { newInMemoryEventStore } from '@snowplow/tracker-core';

const getUEEvents = F.compose(F.filter(F.compose(F.eq('ue'), F.get('e'))));
const extractSchemas = F.map(F.compose(F.get('data'), (cx: string) => JSON.parse(cx), F.get('co')));

it('attaches enhanced ecommerce contexts to enhanced ecommerce events', async () => {
  const eventStore = newInMemoryEventStore({});
  addTracker('sp1', 'sp1', 'js-3.0.0', '', new SharedState(), {
    stateStorageStrategy: 'cookie',
    encodeBase64: false,
    plugins: [EnhancedEcommercePlugin()],
    eventStore,
    customFetch: async () => new Response(null, { status: 500 }),
  });

  addEnhancedEcommerceProductContext({ id: '1234-5678', name: 'T-Shirt' });
  addEnhancedEcommerceImpressionContext({ id: '1234-5678', name: 'T-Shirt' });
  addEnhancedEcommercePromoContext({ id: '1234-5678', name: 'T-Shirt' });
  addEnhancedEcommerceActionContext({ id: '1234-5678', affiliation: 'acme' });
  trackEnhancedEcommerceAction();

  const findWithStaticValue = F.filter(F.get('data.id'));
  const extractContextsWithStaticValue = F.compose(findWithStaticValue, F.flatten, extractSchemas, getUEEvents);

  const countWithStaticValueEq = (value: string) =>
    F.compose(F.size, F.filter(F.compose(F.eq(value), F.get('data.id'))), extractContextsWithStaticValue);

  // we expect there to be four contexts added to the event
  expect(countWithStaticValueEq('1234-5678')(await eventStore.getAllPayloads())).toBe(4);
});