<?php
chdir('../..');
ob_start();
include ("includes/vars.php");
include ("includes/functions.php");

if(array_key_exists("url", $_POST)) {
    $link = get_bio_link($_POST['url']);
    if ($link !== false) {
        print $link;
    } else {
        header('HTTP/1.1 400 Bad Request');
    }
} else {
    header('HTTP/1.1 400 Bad Request');
}
ob_flush();

function get_bio_link($url) {
    $html = '';
    $d = new url_downloader(array(
        'url' => $url,
        'cache' => 'allmusic',
        'return_data' => true
    ));
    if ($d->get_data_to_file()) {
        $DOM = new DOMDocument;
        @$DOM->loadHTML($d->get_data());
        $els = getElementsByClass($DOM, 'div', 'artist-contain');
        if (count($els) > 0) {
            $e = $els[0];
            $links = $e->GetElementsByTagName('img');
            for ($i = 0; $i < $links->length; $i++) {
                $link = $links->item($i)->getAttribute('src');
                logger::log("AMIMAGE", "Found Image",$link);
            }
            return $link;
        } else {
            return false;
        }
    } else {
        return false;
    }
}

function getElementsByClass(&$parentNode, $tagName, $className) {
    $nodes=array();

    $childNodeList = $parentNode->getElementsByTagName($tagName);
    for ($i = 0; $i < $childNodeList->length; $i++) {
        $temp = $childNodeList->item($i);
        if (stripos($temp->getAttribute('class'), $className) !== false) {
            $nodes[]=$temp;
        }
    }

    return $nodes;
}

?>