<?php

use FooBar\Configuration;
use FooBar\ReadableState;
use FooBar\State;

require_once '../vendor/autoload.php';

$config = Configuration::loadConfig();
$state = new State($config);

function auth_check(Configuration $config)
{
    if (!$config->isAuthorized()) {
        http_response_code(403);
    }

    echo 'Some text otherwise PHP crashes. I wish this was a joke.';
}

function toggle(Configuration $config, State $state)
{
    if ($config->isAuthorized()) {
        $state->toggle();
    }

    header('location: ' . $_SERVER['REQUEST_URI']);
}

function display_state(ReadableState $state)
{
    $open = $state->isOpen();

    header('X-Foobar-Open: ' . var_export($open, true));
    if ($open) {
        require '../templates/open.html';
    } else {
        require '../templates/closed.html';
    }
}

if (isset($_POST['auth_check'])) {
    auth_check($config);
} elseif (isset($_POST['toggle'])) {
    toggle($config, $state);
} else {
    display_state($state);
}