<?php
    $target_dir = "/Zadanie8/logo/";
    $files = scandir($target_dir);
    $target_file = $target_dir . basename($_FILES['fileToUpload']['name']);

    foreach ($files as $file) {
        if ($file != "." && $file != "..") {
            unlink($target_dir . "/" . $file);
        }
    }

    $imageFileType = strtolower(pathinfo($target_file, PATHINFO_EXTENSION));
    if (is_uploaded_file($_FILES['fileToUpload']['tmp_name'])) {
        echo "Odebrano plik. <br/>";

        if ($_FILES['fileToUpload']['size'] > 5000000) {
            echo "Plik jest zbyt duży. Maksymalny rozmiar to 5MB.";
            echo "<script type='text/javascript'>
                        setTimeout(function () {
                            window.location.href = 'http://sebastian-szychulski.eu/Zadanie8/index.php';
                        }, 2000);
                      </script>";
            exit();
        }

        if($imageFileType != "jpg") {
            echo "Plik musi być w formacie jpg.";
            echo "<script type='text/javascript'>
                        setTimeout(function () {
                            window.location.href = 'http://sebastian-szychulski.eu/Zadanie8/index.php';
                        }, 2000);
                      </script>";
            exit();
        }

        if (move_uploaded_file($_FILES['fileToUpload']['tmp_name'], $target_file)) {
            echo "Plik " . basename($_FILES['fileToUpload']['name']) . " został zapisany.";
            rename($target_dir . "/" . basename($_FILES["fileToUpload"]["name"]),$target_dir . "/" . "logo." . $imageFileType);
            echo "<script type='text/javascript'>
                        setTimeout(function () {
                            window.location.href = 'http://sebastian-szychulski.eu/Zadanie8/index.php';
                        }, 2000);
                      </script>";
            exit();
        }
    } else {
        echo "Błąd przy przesyłaniu pliku.";
        echo "<script type='text/javascript'>
                        setTimeout(function () {
                            window.location.href = 'http://sebastian-szychulski.eu/Zadanie8/index.php';
                        }, 2000);
                      </script>";
        exit();
    }
?>