<?php

declare(strict_types=1);

use DTS\TodoRepository;
use DTS\Old;
use DTS\Session;
use DTS\Validator;

use function DTS\Functions\respondAndExit;
use function DTS\Functions\redirectAndExit;

require_once(__DIR__.'/../../autoload.php');

$config = require_once(__DIR__.'/../../config.php');

$session = Session::getInstance();

if (filter_input(INPUT_SERVER, 'REQUEST_METHOD') !== 'POST') {
    respondAndExit(405, 'Method Not Allowed');
}

$id = filter_input(INPUT_POST, 'id');

$todos = new TodoRepository($config['path_to_repository']);

$todo = $todos->find($id);

if ($todo === null) {
    respondAndExit(404, 'Not Found');
}

$old = new Old($_REQUEST);

$session->set('old', $old);

$validator = new Validator($_REQUEST);

if ($validator->errors->count()) {
    $session->set('errors', $validator->errors);

    redirectAndExit("/edit?id=$todo->id");
}

$validated = $validator->validated;

$todo->task = $validated->task;
$todo->tag = $validated->tag;

if (!$todos->update($todo)) {
    respondAndExit(500, 'Internal Server Error');
}

$session->set('message', 'Todo Updated');

redirectAndExit('/');