<?php

require 'vendor/autoload.php';

use Symfony\Component\DomCrawler\Crawler;
use Symfony\Component\CssSelector\CssSelectorConverter;

$url = 'https://www.gamerankings.com/browse.html?site=n64&sort=2&numrev=3&letter=A';
$data = file_get_contents($url);
$crawler = new Crawler($data);

$chunks = $crawler->filter('div#content')->filter('div.body')->filter('tr');
$processed = $chunks->each(function($data){
    return processTR( $data->html() );
});
print_r($processed);

function processTR($trhtml){
    $data = new Crawler($trhtml);
    $tds = $data->filter('td')->each(function($d){
        return $d->html();
    });

    return composeLiteral(
        imageURL($tds[0]),
        console($tds[1]),
        developerYearTitle($tds[2]),
        aggregateScore($tds[3])
    );
}

function composeLiteral(...$args){
    $return = [];
    foreach($args as $k => $v){
        foreach($v as $k2 => $v2){
            $return[$k2] = $v2;
        }
    }
    return $return;
}

function imageURL($tdhtml){
    $cr = new Crawler($tdhtml);
    return ['imageurl' => $cr->filter('img')->attr('src')];
}

function console($tdhtml){
    $cr = new Crawler($tdhtml);
    return ['platform' => $cr->text()];
}

function developerYearTitle($tdhtml){  //this gets the url page, the title, the year, the developer
    $cr = new Crawler($tdhtml);
    $urltogame  = $cr->filter('a')->attr('href');
    $devyear    = $cr->text();
    $parts      = explode(PHP_EOL,$devyear);
    $gamename   = $parts[0];
    $parts      = explode(',',$parts[1]);
    $dev        = $parts[0] ?? 'n/a';
    $year       = $parts[1] ?? 'n/a';

    return [
        'gamerankingsurl'   => 'https://www.gamerankings.com' . $urltogame,
        'gamename'          => $gamename,
        'dev'               => trim($dev),
        'year'              => $year
    ];
}

function aggregateScore($tdhtml){
    $cr = new Crawler($tdhtml);
    $pieces = explode('%',$cr->text());

    return [
        'averagescore'  => $pieces[0] == 'n/aNo Reviews' ? 'n/a' : $pieces[0] . '%',
        'reviewcount'   => $pieces[1] ?? 'n/a'
    ];
}