'use strict';

( async() =>
{
    const request = require('request');
    const cheerio = require('cheerio');

    let categories = [];

    await new Promise( resolve =>
    {
        request('https://goldex.heureka.cz/kategorie/', async(err, resp, body) =>
        {
            let dom = cheerio.load(body);

            dom('div.brand-categories a').each( ( i, e ) => categories.push(e.attribs.href) );

            resolve();
        });
    });

    let products = {};

    for( let category of categories )
    {
        let offset = 0;

        console.log( category );

        while( true )
        {
            let productsCnt = await new Promise( resolve =>
            {
                request( category + '?f=' + offset, async(err, resp, body) =>
                {
                    let dom = cheerio.load(body);
                    let pruductURLs = [];

                    dom('div.image a').each( ( i, e ) => pruductURLs.push(e.attribs.href) );
                      console.log(pruductURLs)
                    for( let productURL of pruductURLs )
                    {
                        await new Promise( resolve =>
                        {
                            request( productURL, async(err, resp, body) =>
                            {
                                let dom = cheerio.load(body);
                                let categories =[];
                                  dom('span.js-gtm-breadcrumbs-item a').map(function(i, el) {
                                  categories.push(dom(this).text());
                                })
                                let prodnamimg = {};
                                let name =  dom('div.text-cover H1').text();
                                let prices =  dom('span.js-top-price').text();
                            /*     dom('a.sigProLink', 'div.itemImageGallery').each( ( i, e ) => images.push('http://www.orava.eu'+e.attribs.href));

                                if( !images.length && dom('a.modal').length )
                                {
                                    images.push('http://www.orava.eu'+ dom('a.modal').first()['0'].attribs.href );
                                }
                                  */
                                products[name] = { category: categories.join(' > '), price: prices };

                                resolve( products );
                            });

                        });
                    }
                    resolve( pruductURLs.length );
                });
            });

            if( productsCnt < 60 ){ break; }

            offset += 1;
        }
    }

    require('fs').writeFileSync('export.json', JSON.stringify(products), function (err) {
    if (err) {
        return console.log(err);
    }

    console.log("The file was saved!");
});
})();