'use strict';

const fetch = require('node-fetch');

function fetchItem(url, attempt) {
    function retry(error) {
        console.log(error);

        if(attempt < 3) {
            console.log('Retrying...');

            return fetchItem(url, ++attempt);
        }
    };

    return fetch(url).then(res => {
        return res.ok ? res : Promise.reject(`Failed to fetch ${url}`);
    }).then(res => {
        console.log(`Fetched '${url}'`);

        return res.body;
    }).catch(retry);
};

module.exports = fetchItem;