<?php

/**
 * --------------- ShoutCast Radio Stations Search API ---------------
 *
 * @author Pedro P. L. Papadópolis (a.k.a Mandrakke).
 * @copyright There is no copyright, you can use it as you want, you can also show it to you mother to her see how much you are smart.
 *
 * If you speak Portuguese, try out our server;
 * http://brazucas-server.com
 *
 * If you dont, try out our translated-to-english tool (SA-MP Online Objects Viewer);
 * http://brazucas-server.com/$objetos
 *
 *
 * This script is also hosted on http://api.brazucas-dev.com/ShoutCastAPI.php but it can be turned offline at any time if the number of requests increase too much.
 *
 * More information about how to integrate this script with a SA-MP server can be find at the oficial topic on SA-MP forums;
 * http://forum.sa-mp.com/showthread.php?t=347016
 *
 *
 *
 * Version: R1-1 Beta (released in 02/06/2012)
 *
 * -------------------------------------------------------------------
 */

if(!function_exists("curl_init")) die("cURL library is required.");

//Disable error messages, if you have issues with this script, comment this line below to see which error occurs.
error_reporting("E_ALL");

final class ShoutCastAPI {
    private $forbidden = array('-','!','"','#','$','%','&','\'','(',')','*','+',',','.','/',':',';','<','=','>','?','@','[','\\',']','_','`','{','|','}','~');

    function __construct() {
        $RequestValues = array(
            "ajax"      => true,
            "count"     => 10,
            "order"     => "desc",
            "strIndex"  => 0
        );

        if(!isset($_GET["search"]) || strlen($_GET["search"]) == 0) {
            $url = "http://www.shoutcast.com/ajax_dir";

            if(!isset($_GET["field"]))
                $RequestValues["criteria"] = "listenershead";
            else
                $RequestValues["criteria"] = $_GET["field"]."head";
        } else {
            $url = "http://www.shoutcast.com/search-ajax/". urlencode($_GET["search"]);

            if(!isset($_GET["field"]))
                $RequestValues["mode"] = "listenershead2";
            else
                $RequestValues["mode"] = $_GET["field"]."head2";
        }

        $params = null;
        foreach($RequestValues as $ind => $val) {
            if($_GET[$ind] !== null)
                $RequestValues[$ind] = $_GET[$ind];

            $params .= $ind. "=". $RequestValues[$ind]. "&";
        }

        $stations = array();

        $req = $this->Request($url, 1, null, $params, "http://www.shoutcast.com/");

        $filter = new DOMDocument;
        @$filter->loadHTML($req["data"][1]);

        $divs = $filter->getElementsByTagName("div");
        $i = 0;
        foreach($divs as $div) {
            if($div->getAttribute("class") == "dirlist") {
                $a = $div->getElementsByTagName("a")->item(0);

                $stations["stations"]["s".$i]["stationid"]  = $a->getAttribute("id");

                $tmp = $a->getAttribute("name");
                for($y = 0; $y < strlen($tmp); ++$y)
                    if(!in_array($tmp[$y], $this->forbidden))
                        $stations["stations"]["s".$i]["name"] .= $tmp[$y];

                $stations["stations"]["s".$i]["id"]        = preg_replace("/^.*?id./i", "", $a->getAttribute("href"));

                $childDivs = $div->getElementsByTagName("div");
                foreach($childDivs as $childDiv)
                    switch($childDiv->getAttribute("class")) {
                        case "playingtext":
                            $tmp = $childDiv->getAttribute("title");

                            if($tmp == null && $childDiv->getElementsByTagName("span")->item(0) !== null)
                                $tmp = $childDiv->getElementsByTagName("span")->item(0)->getAttribute("title");

                            for($a = 0; $a < strlen($tmp); ++$a)
                                if(!in_array($tmp[$a], $this->forbidden))
                                    $stations["stations"]["s".$i]["nowplaying"] .= $tmp[$a];

                            if(strlen($stations["stations"]["s".$i]["nowplaying"]) > 13)
                                $stations["stations"]["s".$i]["nowplaying"] = substr($stations["stations"]["s".$i]["nowplaying"], 0, 13). "...";
                        break;
                        case "dirgenre":    $stations["stations"]["s".$i]["genre"]      = $childDiv->nodeValue;                                         break;
                        case "dirlistners": $stations["stations"]["s".$i]["listeners"]  = $childDiv->nodeValue;                                         break;
                        case "dirbitrate":  $stations["stations"]["s".$i]["bitrate"]    = $childDiv->nodeValue;                                         break;
                        case "dirtype":     $stations["stations"]["s".$i]["type"]       = $childDiv->nodeValue;                                         break;
                    }

                ++$i;
            }
        }

        $stations["stations"]["count"] = $i;

        if(@$vars = $_GET["show"]) {
            $showOnly = explode("|", $vars);

            foreach($stations["stations"] as $stationId => $stationData)
                foreach($stationData as $ind => $val)
                    if(!in_array($ind, $showOnly))
                        unset($stations["stations"][$stationId][$ind]);
        }

        switch(strtolower($_GET["format"])) {
            case "json":
                $output .= json_encode($stations);
            break;
            case "dini":
            default:
                $output = null;
                foreach($stations["stations"] as $stationId => $stationData)
                    if(is_array($stationData))
                        foreach($stationData as $ind => $val)
                            $output .= $stationId. $ind. "=". $val. "\r\n";
                    else
                        $output .= $stationId. "=". $stationData. "\r\n";
        }

        die($output);
    }

    private function Request($a, $b, $c, $d, $e) {
        $ch = curl_init();

        $exec = curl_setopt_array($ch, array(
                CURLOPT_URL => $a,
                CURLOPT_RETURNTRANSFER => $b,
                CURLOPT_HEADER => 1,
                CURLOPT_NOBODY => 0,
                CURLOPT_COOKIE => $c,
                CURLOPT_CUSTOMREQUEST => ($d)?"POST":"GET",
                CURLOPT_POSTFIELDS => $d,
                CURLOPT_FOLLOWLOCATION => 1,
                CURLOPT_TIMEOUT => 6,
                CURLOPT_REFERER => $e
            )
        );

        return array(
            "data"      => explode("\r\n\r\n", curl_exec($ch), 2),
            "httpcode"  => (int)curl_getinfo($ch, CURLINFO_HTTP_CODE)
        );
    }
} new ShoutCastAPI();
?>