<?php
require_once(__DIR__.'/vendor/autoload.php');

use \JHodges\Sitemap\Crawler;

if($url=getenv('CRAWL_URL')){
    $urls=array_filter(array_map('trim',explode(',',$url)));
}else{
	die("No env: CRAWL_URL\n");
}

if($code=getenv('CRAWL_CODE')){
	$codes=array_filter(array_map('trim',explode(',',$code)));
}else{
    $codes=[];
}

$crawler=new Crawler();
foreach($urls as $url){
    $crawler->crawl($url);
}

$summary=[];
$details='';
foreach($crawler->getResults() as $url=>$result){
    $summary[$result['code']]++;

    if( count($codes)==0 || in_array($result['code'],$codes) ){
        $details.="{$result['code']} {$url}\n";
        foreach($result['foundOn'] as $url=>$count){
            $details.="    <- ($count) $url\n";
        }
    }
}

ksort($summary);
echo '|code|count|'."\n";
echo '|----|-----|'."\n";
foreach($summary as $code=>$count){
    echo "| $code | $count |\n";
}

if($details){
    echo "\n\n----\n\n```\n$details\n```\n";
}