'use strict';

var assert = require('chai').assert;
var sinon = require('sinon');
var proxyquire = require('proxyquire').noCallThru().noPreserveCache();
var QueryString;
var logSpy;

describe('querystring', function () {
    beforeEach(function () {
        logSpy = sinon.spy();
        QueryString = proxyquire('../../../../cartridges/modules/server/queryString', {
            'dw/system/Logger': {
                warn: logSpy
            }
        });
    });
    describe('options parsing', function () {
        it('should parse product option query parameters', function () {
            var params = 'dwopt_microsoft-xbox360-console_consoleWarranty=002&' +
            'dwopt_microsoft-xbox360-console_gpsWarranty=003&' +
            'dwopt_microsoft-xbox360-console_gps_warranty=003';
            var querystring = new QueryString(params);
            assert.deepEqual([{
                optionId: 'gps_warranty',
                productId: 'microsoft-xbox360-console',
                selectedValueId: '003'
            }, {
                optionId: 'gpsWarranty',
                productId: 'microsoft-xbox360-console',
                selectedValueId: '003'
            }, {
                optionId: 'consoleWarranty',
                productId: 'microsoft-xbox360-console',
                selectedValueId: '002'
            }], querystring.options);
        });

        it('should parse product option for product with underscore', function () {
            var params = 'dwopt_microsoft__xbox360__console_consoleWarranty=002&' +
            'dwopt_microsoft__xbox360__console_gpsWarranty=003&' +
            'dwopt_microsoft__xbox360__console_gps_warranty=003';
            var querystring = new QueryString(params);
            assert.deepEqual([{
                optionId: 'gps_warranty',
                productId: 'microsoft_xbox360_console',
                selectedValueId: '003'
            }, {
                optionId: 'gpsWarranty',
                productId: 'microsoft_xbox360_console',
                selectedValueId: '003'
            }, {
                optionId: 'consoleWarranty',
                productId: 'microsoft_xbox360_console',
                selectedValueId: '002'
            }], querystring.options);
        });

        it('should output options query params', function () {
            var params = 'dwopt_microsoft-xbox360-console_consoleWarranty=002&' +
            'dwopt_microsoft-xbox360-console_gpsWarranty=003';
            var querystring = new QueryString(params);
            var paramsOutput = querystring.toString();
            assert.equal(paramsOutput, 'dwopt_microsoft-xbox360-console_consoleWarranty=002&' +
                'dwopt_microsoft-xbox360-console_gpsWarranty=003');
        });

        it('should output options query params for product with underscore', function () {
            var params = 'dwopt_microsoft__xbox360__console_console_Warranty=002&' +
            'dwopt_microsoft__xbox360__console_gpsWarranty=003';
            var querystring = new QueryString(params);
            var paramsOutput = querystring.toString();
            assert.equal(paramsOutput, 'dwopt_microsoft__xbox360__console_console_Warranty=002&' +
                'dwopt_microsoft__xbox360__console_gpsWarranty=003');
        });
        it('creates a single key "x=y" when options is not an array', function () {
            var params = 'dwopt_microsoft__xbox360__console_console_Warranty=002&' +
            'dwopt_microsoft__xbox360__console_gpsWarranty=003';
            var rangeResult = new QueryString(params);
            rangeResult.options = 'a simple string';
            var paramsOutput = rangeResult.toString();
            assert.equal(paramsOutput, 'options=a%20simple%20string');
        });
    });


    describe('variation attribute parsing', function () {
        it('should parse product variation query parameters', function () {
            var params = 'dwvar_P12345_color=blue&dwvar_P12345_pv_size=L&pid=P12345';
            var querystring = new QueryString(params);
            assert.deepEqual({
                color: {
                    id: 'P12345',
                    value: 'blue'
                },
                pv_size: {
                    id: 'P12345',
                    value: 'L'
                }
            }, querystring.variables);
        });

        it('should parse product variation param for product with underscores', function () {
            var params = 'dwvar_my__test__product_color=blue&dwvar_my__test__product_pv_size=L&pid=P12345';
            var querystring = new QueryString(params);
            assert.deepEqual({
                color: {
                    id: 'my_test_product',
                    value: 'blue'
                },
                pv_size: {
                    id: 'my_test_product',
                    value: 'L'
                }
            }, querystring.variables);
        });
        it('creates a single key "x=y" when variables is not an object', function () {
            var params = 'dwvar_my__test__product_color=blue&dwvar_my__test__product_pv_size=L';
            var rangeResult = new QueryString(params);
            rangeResult.variables = 'a simple string';
            var paramsOutput = rangeResult.toString();
            assert.equal(paramsOutput, 'variables=a%20simple%20string');
        });
    });

    describe('search refinements preferences parsing', function () {
        it('should parse search refinement preference query parameters', function () {
            var params = 'prefn1=pref1&prefv1=pref1Value&prefn2=pref2&prefv2=pref2Value';
            var result = new QueryString(params);
            assert.deepEqual(result.preferences, {
                pref1: 'pref1Value',
                pref2: 'pref2Value'
            });
        });

        it('should output preferences query params', function () {
            var params = 'prefn1=pref1&prefv1=pref1Value&prefn2=pref2&prefv2=pref2Value';
            var result = new QueryString(params);
            var paramsOutput = result.toString();
            assert.equal(paramsOutput, 'prefn1=pref1&prefn2=pref2&prefv1=pref1Value&prefv2=pref2Value');
        });

        it('should parse search refinement preference range query parameters', function () {
            var rangeParams = 'prefn1=prefName&prefmin1=0&prefmax1=100';
            var rangeResult = new QueryString(rangeParams);
            assert.deepEqual(rangeResult.preferences, {
                prefName: {
                    min: '0',
                    max: '100'
                }
            });
        });
        it('should output range preference query params', function () {
            var rangeParams = 'prefn1=prefName&prefmin1=0&prefmax1=100';
            var rangeResult = new QueryString(rangeParams);
            var paramsOutput = rangeResult.toString();
            assert.deepEqual(paramsOutput, 'prefmax1=100&prefmin1=0&prefn1=prefName');
        });
        it('outputs range preference without "undefined" when one or more query params is empty or "undefined"', function () {
            var rangeParams = 'prefv1=&prefn1=prefName&prefmin1=0&prefmax1=100';
            var rangeResult = new QueryString(rangeParams);
            var paramsOutput = rangeResult.toString();
            assert.deepEqual(paramsOutput, 'prefmax1=100&prefmin1=0&prefn1=prefName');
        });
        it('warns via Logger when one or more query params is empty or "undefined"', function () {
            var rangeParams = 'prefv1=&prefn1=prefName&prefmin1=0&prefmax1=100';
            var rangeResult = new QueryString(rangeParams);
            var paramsOutput = rangeResult.toString(); // eslint-disable-line no-unused-vars
            assert.equal(logSpy.args[0][0], 'We were passed a key "undefined in the preferences object in queryString.js');
        });
        it('creates a single key "x=y" when preferences is not an object', function () {
            var rangeParams = 'prefv1=&prefn1=prefName&prefmin1=0&prefmax1=100';
            var rangeResult = new QueryString(rangeParams);
            rangeResult.preferences = 'a simple string';
            var paramsOutput = rangeResult.toString();
            assert.equal(paramsOutput, 'preferences=a%20simple%20string');
        });
    });

    describe('handling special characters', function () {
        it('should handle the \'+\' with a \'%20\' which leads to a \' \'', function () {
            var params = '?trackOrderNumber=01&trackOrderPostal=EC1A+1BB';
            var result = new QueryString(params);

            assert.equal(result.trackOrderPostal, 'EC1A 1BB');
        });
    });

    describe('handling url encoding of querystring', function () {
        it('should handle encoding properly', function () {
            var params = '?dwvar_P12345_Maat=37%2B&pid=P12345';
            var result = new QueryString(params);
            assert.equal(result.toString(), 'dwvar_P12345_Maat=37%2B&pid=P12345');
        });
    });

    describe('handling duplicate parameters in querystring', function () {
        it('should return an array', function () {
            var params = '?one=uno&cheese=1&cheese=2&cheese=3&brand=sony&brand=samsung&cheese=4';
            var result = new QueryString(params);
            assert.deepEqual(result.one, 'uno');
            assert.deepEqual(result.cheese, ['4', '3', '2', '1']);
            assert.deepEqual(result.brand, ['samsung', 'sony']);
        });
    });
});