/**
 * @fileOverview End-to-end testing of the payment instruments add card swagger API
 */
'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, params, header, value) {
    return request(thisApp)
        .post('/dev/v0/payment-instruments/cards')
        .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;

// Standard errored values
const TOO_LONG = '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
    '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
    '012345678901234567890123456789012345678901234567890123456789';
const BAD_DATE_FMT = '12?18';
const BAD_DATE_MON = '34-18';
const BAD_PANA = '123A 1234 1234 1234';
const BAD_PANB = '147100001111222 ';
const BAD_POSTCODE = 'AB12 &CD';
const BAD_PHONENUM = '012345G 67890';
const BAD_NAME = '^£&$£%&$';
const BAD_EMAIL = 'a@b@c.com';

// Valid test data
const correctParameters = {
    payer: {
        email: 'peon@example.com',
        firstName: 'John',
        lastName: 'Doe'
    },
    description: 'A random bank card.',
    card: {
        nameOnCard: 'John 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'
        }
    }
};
let badParameters;

describe('E2E: save card for future use 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 payer
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.payer;

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

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

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

        /*
         * Tests where required child attributes are missing.
         * ======================================================
         */

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

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

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

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

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

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

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

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

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

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

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

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

        /*
         * No name on card field
         */
        badParameters = _.cloneDeep(correctParameters);
        delete badParameters.card.nameOnCard;

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

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

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

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

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

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

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

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

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

    describe('bad data format tests', () => {
        /*
         * Invalid data format errors
         * ==========================
         */

        /*
         * Bad payer first name
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.payer.firstName = BAD_NAME;

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

        /*
         * Bad payer last name
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.payer.lastName = BAD_NAME;

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

        /*
         * Bad payer email
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.payer.email = BAD_EMAIL;

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

        /*
         * Bad card description field
         */
        badParameters = _.cloneDeep(correctParameters);
        badParameters.description = TOO_LONG;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /* Skip these tests as they will cahnge when the actual function is implemented. */
    describe.skip('Good parameter data tests', () => {
        /*
         * Verify that the command correctly validates a minimum set of correctly formatted parameters.
         */
        const minimumValidSet = _.cloneDeep(correctParameters);
        delete minimumValidSet.description;
        delete minimumValidSet.card.startDate;
        delete minimumValidSet.card.issueNumber;
        delete minimumValidSet.card.address.address2;
        delete minimumValidSet.card.address.address3;
        delete minimumValidSet.card.address.county;
        delete minimumValidSet.card.address.phoneNumber;
        it('with the minimum set of correct parameters', () => {
            return respondsWithValue(app, minimumValidSet, HEADER_VALID, 500);
        });

        /*
         * Verify that the command works with correctly formatted parameters.
         */
        it('with a full set of correct parameters', () => {
            return respondsWithValue(app, correctParameters, HEADER_VALID, 500);
        });
    });
});