<?php

use ArangoDBClient\CollectionHandler;
use ArangoDBClient\Connection;
use ArangoDBClient\ConnectionOptions;
use ArangoDBClient\Document;
use ArangoDBClient\DocumentHandler;
use ArangoDBClient\UpdatePolicy;

require 'config.php';
require "vendor/autoload.php";
require "Seite.php";

session_start();

$connectionOptions = array(
    // server endpoint to connect to
    //ConnectionOptions::OPTION_ENDPOINT => 'tcp://10.16.17.154:8529',
    ConnectionOptions::OPTION_ENDPOINT => 'tcp://' . $server . ':8529',
    // authorization type to use (currently supported: 'Basic')
    ConnectionOptions::OPTION_AUTH_TYPE => 'Basic',
    // user for basic authorization
    ConnectionOptions::OPTION_AUTH_USER => $dbuser,
    // password for basic authorization
    ConnectionOptions::OPTION_AUTH_PASSWD => $passwd,
    // connection persistence on server. can use either 'Close' (one-time connections) or 'Keep-Alive' (re-used connections)
    ConnectionOptions::OPTION_CONNECTION => 'Close',
    // connect timeout in seconds
    ConnectionOptions::OPTION_TIMEOUT => 3,
    // whether or not to reconnect when a keep-alive connection has timed out on server
    ConnectionOptions::OPTION_RECONNECT => true,
    // optionally create new collections when inserting documents
    ConnectionOptions::OPTION_CREATE => true,
    // optionally create new collections when inserting documents
    ConnectionOptions::OPTION_UPDATE_POLICY => UpdatePolicy::LAST,
    ConnectionOptions::OPTION_DATABASE => $database,
);

// open connection
$connection = new Connection($connectionOptions);
$collectionHandler = new CollectionHandler($connection);
$documentHandler = new DocumentHandler($connection);
$edgeHandler = new \ArangoDBClient\EdgeHandler($connection);

if (!isset($_SESSION['name'])) {
    if (count($_POST) == 2) {
        $user = $documentHandler->insert($collectionHandler->get('users'), new Document());
        foreach (array_keys($_POST) as $key) {
            var_dump($keys);
            $edge = new Document();
            $edge->set("answer", $_POST[$key]);
            $edge->set('_from', $user);
            $edge->set('_to', 'questions/' . $key);
            $documentHandler->insert('answered', $edge);
        }
        $_SESSION['name'] = $user;
    }
} elseif (!isset($_SESSION['personal'])) {
    foreach (array_keys($_POST) as $key) {
        if ($_POST[$key] != '') {
            $edge = new Document();
            $edge->set("answer", $_POST[$key]);
            $edge->set('_from', $_SESSION['name']);
            $edge->set('_to', 'questions/' . $key);
            $documentHandler->insert('answered', $edge);
        }
    }
    $_SESSION['personal'] = true;
} elseif (!isset($_SESSION['schueler'])) {
    foreach (array_keys($_POST) as $key) {
        if ($_POST[$key] != '') {
            $edge = new Document();
            $edge->set("answer", $_POST[$key]);
            $edge->set('_from', $_SESSION['name']);
            $edge->set('_to', 'questions/' . $key);
            $documentHandler->insert('answered', $edge);
        }
    }
    $_SESSION['schueler'] = true;
} elseif (!isset($_SESSION['lehrer'])) {
    foreach (array_keys($_POST) as $key) {
        if ($_POST[$key] != '') {
            $edge = new Document();
            $edge->set("answer", $_POST[$key]);
            $edge->set('_from', $_SESSION['name']);
            $edge->set('_to', 'questions/' . $key);
            $documentHandler->insert('answered', $edge);
        }
    }
    $_SESSION['lehrer'] = true;
}

header('Location: umfrage.php');