import { JSONAPISerializer } from 'ember-cli-mirage';

import _ from 'lodash/lodash';

export default JSONAPISerializer.extend({

    serialize: function(response, request) {

        // Remove models with no name

        response.models = response.models.filter(element => element.label);

        // Alphabetical order

        if(request.queryParams.sort === 'alphabetical') {

            response.models.sort(function(a, b) {

                var aLabel = a.label.toUpperCase();

                var bLabel = b.label.toUpperCase();

                if (aLabel < bLabel) { return -1; }

                if (aLabel > bLabel) { return 1; }

                return 0;

            });

        // Descending order

        } else if(request.queryParams.sort === 'descending') {

            response.models.sort(function(a, b) {

                return b.count - a.count;

            });

        }

        var array = [];

        if(typeof request.queryParams.index !== 'undefined' && typeof request.queryParams.limit !== 'undefined') {

            var begin = parseInt(request.queryParams.index * request.queryParams.limit) || 0;

            var end = parseInt(begin + (request.queryParams.limit - 1));

            array = response.models.slice(begin, end);

        } else {

            array = response.models;

        }

    }

});