<?php
header("Content-type: text/xhtml");

//TODO Handle timeouts for when the server is offline.

$query_server = "localhost";
$port = 25566;

$action = isset($_POST['action']) ? $_POST['action'] : "ACTION_QUERY";
echo "<?xml version=\"1.0\">\n";
echo "<chattercraft>\n";
if ($action == "ACTION_CHATTER") {
    if (isset($_POST['user']) && ($user = $_POST['user']) != "") {
        if (isset($_POST['msg']) && ($message = $_POST['msg']) != "") {
            // Connect and send message
            if ($socket = fsockopen($query_server, $port, $errno, $error, 2)) {
                fwrite($socket, "CHATTER " . $user . ":" . $_SERVER['REMOTE_ADDR'] . ":" . $message . "\r\n");
                while (!feof($socket)) {
                    echo fgets($socket, 128);
                }
                fclose($socket);
            } else {
                echo "<error>The server seems to be OFFLINE.</error>\n";
            }
        } else {
            echo "<error>Cannot send an empty message.</error>\n";
        }
    } else {
        echo "<error>Cannot send a message being logged in.</error>\n";
    }
} else if ($action == "ACTION_LOGIN") {
    $username = isset($_POST['user']) ? $_POST['user'] : "";
    // Connect and login
    if ($socket = fsockopen($query_server, $port, $errno, $error, 2)) {
        fwrite($socket, "LOGIN " . $username . ":" . $_SERVER['REMOTE_ADDR'] . "\r\n");
        while (!feof($socket)) {
            echo fgets($socket, 128);
        }
        fclose($socket);
    } else {
        echo "<error>The server seems to be OFFLINE.</error>\n";
    }
} else {
    $username = isset($_POST['user']) ? $_POST['user'] : "";
    $last = isset($_POST['last']) ? filter_var($_POST['last'], FILTER_SANITIZE_NUMBER_INT) : 0;
    // Connect and query
    if ($socket = fsockopen($query_server, $port, $errno, $error, 2)) {
        fwrite($socket, "QUERY_XML " . $username . ":" . $_SERVER['REMOTE_ADDR'] . ":" . $last . "\r\n");
        while (!feof($socket)) {
            echo fgets($socket, 128);
        }
        fclose($socket);
    } else {
        echo "<error>The server seems to be OFFLINE.</error>\n";
    }
}
echo "</chattercraft>\n";
?>