/**
 * @fileOverview End-to-end testing of the swagger API endpoint to pay to a saved worldpay merchant.
 */
'use strict';

// eslint-disable-next-line no-unused-vars
const testGlobals = require('../../tools/test/testGlobals.js');

const request = require('supertest');
const express = require('express');
const _ = require('lodash');

const initDevApi = require('../dev_server.js');

function respondsWithValue(thisApp, instrumentID, params, header, value) {
    return request(thisApp)
        .post('/dev/v0/payment-instruments/worldpay-merchants/' + instrumentID + '/payments')
        .set('Accept', 'application/json')
        .set('Authorization', header)
        .send(params)
        .expect(value);
}

/**
 * Test values
 */

// Correct auth method (Bearer), correct token
const TOKEN_VALID = 'YTM2ZGQ1NzUtOWFmNS01MjMyLTg5MjYtM2NkZjA5ZDU2ZGU1';
const HEADER_VALID = 'Bearer ' + TOKEN_VALID;

const INSTRUMENT_ID = '0123456789abcdefghijklmn';

// Standard errored values
const TOO_LONG = '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
    '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
    '012345678901234567890123456789012345678901234567890123456789';
const BAD_DATE_FMT = '12?18';
const BAD_DATE_MON = '34-18';
const BAD_EMAIL = 'a@b@example.com';
const BAD_PANA = '123A 1234 1234 1234';
const BAD_PANB = '147100001111222 ';
const BAD_CVV = '12C';
const BAD_POSTCODE = 'AB12 &CD';
const BAD_PHONENUM = '012345G 67890';
const BAD_ENCRYPTION_KEY = '00112233-0000-1111-54321-990000123456 00112233-0000-1111-54321-990000123456';
const BAD_AMOUNT = 'ABC';
const BAD_INSTRUMENT_ID = '0123456789';

// Valid test data
const correctParameters = {
    paymentInstrument: {
        payer: {
            email: 'john.doe@example.com',
            firstName: 'John',
            lastName: 'Doe'
        },
        card: {
            nameOnCard: 'John E Doe',
            PAN: '4444 3333 2222 1111',
            expiryDate: '11-22',
            startDate: '11-20',
            issueNumber: 1,
            CV2: '012',
            address: {
                address1: 'First line of address',
                address2: 'Second line of address',
                address3: 'Third line of addresst',
                town: 'Christchurch',
                county: 'Dorset',
                postcode: 'BH23 6AA',
                phoneNumber: '+44 123 1110000'
            }
        }
    },
    receiveInstrument: {
        encryptionKey: '00112233-0000-1111-54321-990000123456'
    },
    amount: {
        value: 100
    },
    transactionDetails: {
        worldpay: {
            orderDescription: '2 Calling Birds, 1 Partridge in a Pear tree'
        }
    }
};
let badParameters;

describe('E2E: dev api Worldpay payment for saved merchant request', () => {
    let app;

    /**
     * Load the dev API router to handle `/dev/*` routes
     */
    before(() => {
        app = express();
        const devApiRouter = initDevApi.init();
        app.use('/dev', devApiRouter);
    });

    describe('tests with missing required parameters', () => {
        /*
         * Tests where required top level attributes are missing.
         * ======================================================
         *
         * No paymentInstrument object
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument;

        it('with no paymentInstrument parameters', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No payee receiveInstrument
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.receiveInstrument;

        it('with no receiveInstrument parameters', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No amount
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.amount;

        it('with no amount parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No transactionDetails
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.transactionDetails;

        it('with no transactionDetails parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Missing child elements
         */

        /*
         * No paymentInstrument.payer object
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.payer;

        it('with no paymentInstrument.payer parameters', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.payer.email
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.payer.email;

        it('with no paymentInstrument.payer.email parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.payer.firstName
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.payer.firstName;

        it('with no paymentInstrument.payer.firstName parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.payer.lastName
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.payer.lastName;

        it('with no paymentInstrument.payer.lastName parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card object
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card;

        it('with no paymentInstrument.card parameters', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.nameOnCard
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.nameOnCard;

        it('with no paymentInstrument.card.nameOnCard parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.PAN
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.PAN;

        it('with no paymentInstrument.card.PAN parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.expiryDate
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.expiryDate;

        it('with no paymentInstrument.card.expiryDate parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.CV2
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.CV2;

        it('with no paymentInstrument.card.CV2 parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.address
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.address;

        it('with no paymentInstrument.card.address parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.address.address1
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.address.address1;

        it('with no paymentInstrument.card.address.address1 parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.address.town
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.address.town;

        it('with no paymentInstrument.card.address.town parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No paymentInstrument.card.address.postcode
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.paymentInstrument.card.address.postcode;

        it('with no paymentInstrument.card.address.postcode parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No transactionDetails.worldpay object
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.transactionDetails.worldpay;

        it('with no transactionDetails.worldpay parameters', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * No receiving account encryption key
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.receiveInstrument.encryptionKey;

        it('with no receiving account encryption key', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });
    });

    describe('bad data format tests', () => {
        /*
         * Invalid data format errors
         * ==========================
         *
         * Bad paymentInstrument.payer.email
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.payer.email = BAD_EMAIL;

        it('with an invalid paymentInstrument email parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.payer.firstName
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.payer.firstName = 'Axel Rose';

        it('with an invalid payer first name parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.payer.lastName
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.payer.lastName = 'Axel Rose';

        it('with an invalid payer last name parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.PAN
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.PAN = BAD_PANA;

        it('with a bad card PAN parameter containing a letter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.PAN = BAD_PANB;

        it('with a bad card PAN parameter with a trailing space', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.expiryDate 1
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.expiryDate = BAD_DATE_FMT;

        it('with a bad character in the payment card expiry date parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.expiryDate 2
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.expiryDate = BAD_DATE_MON;

        it('with a bad month number in the payment card expiry date parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.startDate
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.startDate = BAD_DATE_FMT;

        it('with a badly formatted payment card start date parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.startDate
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.startDate = BAD_DATE_MON;

        it('with a bad month number in the payment card start date parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.issueNumber
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.issueNumber = 'Z';

        it('with a badly formatted payment card issue number parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.CV2
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.CV2 = BAD_CVV;

        it('with a badly formatted payment card CV2 parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.address.address1: too long
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.address1 = TOO_LONG;

        it('with a card address line 1 too long', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.address.address1: too short
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.address1 = '';

        it('with a card address line 1 too short', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.address.address2
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.address2 = TOO_LONG;

        it('with a badly formatted card address line 2 parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.address.address3
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.address3 = TOO_LONG;

        it('with a badly formatted card address line 3 parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.address.town
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.town = TOO_LONG;

        it('with a badly formatted card address town name parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad paymentInstrument.card.address.county
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.county = TOO_LONG;

        it('with a badly formatted card address county name parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad card.address.postcode
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.postcode = BAD_POSTCODE;

        it('with a badly formatted card address postcode parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad card.address.phoneNumber
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.paymentInstrument.card.address.phoneNumber = BAD_PHONENUM;

        it('with a badly formatted card address phone number parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad orderDescription
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.transactionDetails.worldpay.orderDescription = TOO_LONG;

        it('with a badly formatted order description parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * ) Bad receiving account decryption key
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.receiveInstrument.encryptionKey = BAD_ENCRYPTION_KEY;

        it('with a badly formatted receiving account encryption key parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * ) Bad amount.value
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.amount.value = BAD_AMOUNT;

        it('with a badly formatted amount value parameter', () => {
            return respondsWithValue(app, INSTRUMENT_ID, badParameters, HEADER_VALID, 400);
        });

        /*
         * Bad instrument ID.
         */
        it('with a badly formatted instrument ID', () => {
            return respondsWithValue(app, BAD_INSTRUMENT_ID, correctParameters, HEADER_VALID, 400);
        });
    });

    /* Skip these tests for two reasons: the return will change and they fail. */
    describe.skip('Good parameter data tests', () => {
        /*
         * Verify that the command works with the minimum set of correctly formatted parameters.
         */
        const minimumValidSet = _.cloneDeep(correctParameters);
        delete minimumValidSet.paymentInstrument.card.startDate;
        delete minimumValidSet.paymentInstrument.card.issueNumber;
        delete minimumValidSet.paymentInstrument.card.address.address2;
        delete minimumValidSet.paymentInstrument.card.address.address3;
        delete minimumValidSet.paymentInstrument.card.address.county;
        delete minimumValidSet.paymentInstrument.card.address.phoneNumber;
        it('with the minimum set of correct parameters', () => {
            return respondsWithValue(app, INSTRUMENT_ID, minimumValidSet, HEADER_VALID, 400);
        });

        /*
         * Verify that the command works with correctly formatted full set of parameters.
         */
        it('with a full set of correct parameters', () => {
            return respondsWithValue(app, INSTRUMENT_ID, correctParameters, HEADER_VALID, 400);
        });
    });
});