<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Form Email</title>

    <style>
        .error {
            color: red;
        }
    </style>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">

</head>

<body class="container-md my-3">
    <?php

    //Nilai variabel error
    if (isset($_GET['error'])) {
        $error = $_GET['error'];
    } else {
        $error = "";
    }

    //Pesan kesalahan
    $pesan = "";
    if ($error == "variable_undefined") {
        $pesan = "Sorry, you must access this page from formEmail.php";
    } elseif ($error == "empty_name") {
        $pesan = "Sorry, name field required";
    } elseif ($error == "invalid_name") {
        $pesan = "Sorry, name must contains letter";
    } elseif ($error == "empty_email") {
        $pesan = "Sorry, email field required";
    }
    if ($error == "invalid_email") {
        $pesan = "Sorry, invalid email";
    }

    //Isian form jika terjadi kesalahan
    if (isset($_GET['yourname']) && isset($_GET['youremail'])) {
        $name = $_GET['yourname'];
        $email = $_GET['youremail'];
    } else {
        $name = "";
        $email = "";
    }
    ?>

    <?php if (!empty($pesan)) : ?>
        <div class="alert alert-danger error">
            <?php echo $pesan; ?>
        </div>
    <?php endif; ?>

    <form action="prosesFormEmail.php" method="get">
        <div class="mb-3">
            <label for="name" class="form-label">Your Name:</label>
            <input type="text" class="form-control" id="name" name="yourname" value="<?php echo $name; ?>">
        </div>
        <div class="mb-3">
            <label for="email" class="form-label">Your Email:</label>
            <input type="email" class="form-control" name="youremail" id="email" value="<?php echo $email; ?>">
        </div>
        <input type="submit" class="btn btn-primary" name="submit" value="Submit">
    </form>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz" crossorigin="anonymous"></script>
</body>


</html>