<?php define('STRIP_QUOTES', (function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc())); ?>
<h2>Kontakt</h2>

<?php if(contact_is_sent()): ?>
    <p>Vielen Dank,</p>
    <p>Ihre Nachricht wurde erfolgreich übermittelt und wird so schnell wie möglich bearbeitet!</p>
<?php else: ?>
    <form action="kontakt.html" method="post">
        <?php if(contact_has_error()): ?>
            <div class="errors">
                <?php foreach(contact_get_errors() as $error): ?>
                    <p><?php print $error; ?></p>
                <?php endforeach; ?>
            </div>
        <?php endif; ?>

        <table class="contact-table">
            <tbody>
                <tr>
                    <th><label for="c-type">Anrede:</label></th>
                    <td>
                        <select name="type" id="c-type" size="1">
                            <option value="0">- Bitte wählen -</option>
                            <option value="1" <?php contact_reselect('type', '1'); ?>>Herr</option>
                            <option value="2" <?php contact_reselect('type', '2'); ?>>Frau</option>
                        </select>
                    </td>
                </tr>
                <tr>
                    <th><label for="c-name">Ihr Name:</label></th>
                    <td><input type="text" name="name" class="text" id="c-name" size="45" <?php contact_refill('name'); ?> /></td>
                </tr>
                <tr>
                    <th><label for="c-email">Ihre E-Mail:</label></th>
                    <td><input type="text" name="email" class="text" id="c-email" size="45" <?php contact_refill('email'); ?> /></td>
                </tr>
                <tr>
                    <th><label for="c-subject">Betreff:</label></th>
                    <td><input type="text" name="subject" class="text" id="c-subject" size="45" <?php contact_refill('subject'); ?> /></td>
                </tr>
                <tr>
                    <td colspan="2">
                        <p><strong><label for="c-message">Ihre Nachricht:</label></strong></p>
                        <p><textarea name="message" id="c-message" rows="5" cols="1"><?php contact_refill('message', false); ?></textarea></p>
                    </td>
                </tr>
                <tr>
                    <td colspan="2" class="control">
                        <p class="left">
                            <input type="checkbox" name="copy" id="c-copy" value="1" />
                            <label for="c-copy">Kopie an meine E-Mail senden</label>
                        </p>
                        <p>
                            <input type="reset" onclick="return confirm('Wirklich alle Felder leeren?');" value="Zurücksetzen" />
                            <input type="submit" value="Senden" />
                        </p>
                    </td>
                </tr>
            </tbody>
        </table>
    </form>
<?php endif;


// ----------------------------------------

function contact_reselect($name, $value) {
    if(!empty($_POST[$name]) && $_POST[$name] === $value)
        print 'selected="selected"';
}

function contact_refill($name, $wrap_value = true) {
    if(!empty($_POST[$name])) {
        $value = $_POST[$name];

        if(STRIP_QUOTES)
            $value = stripslashes($value);

        $tpl = '%s';
        if($wrap_value === true)
            $tpl = 'value="%s"';

        printf($tpl, htmlentities($value, ENT_COMPAT, 'UTF-8'));
    }
}

function contact_get_errors() {
    global $contact_errors;

    return empty($contact_errors) ? array() : $contact_errors;
}

function contact_has_error() {
    global $contact_errors;

    return !empty($contact_errors);
}

function contact_is_sent() {
    if(!empty($_POST))
        // form prüfen
        return contact_validate();

    // form wurde nicht gesendet oder es gab fehler
    return false;
}

function contact_validate() {
    global $contact_errors;

    $fields = array(
        'type'      => array('Anrede', true),
        'name'      => array('Name', true),
        'email'     => array('E-Mail', true),
        'subject'   => array('Betreff', true),
        'message'   => array('Nachricht', true),
        'copy'      => array('', false, 0));

    foreach($fields as $name => $info) {
        if(empty($_POST[$name])) {
            if($info[1] === true) {
                $contact_errors[] = sprintf('Bitte das Feld "%s" ausf&uuml;llen', $info[0]);
                continue;
            }

            $$name = $info[2];
        }

        $$name = $_POST[$name];
    }

    if(!empty($contact_errors))
        return false;

    // email prüfen
    if(!preg_match('/^[^@]+@(?:[^\.]+\.)*[^\.]+\..+$/', $email)) {
        $contact_errors[] = 'Die angegebene E-Mail ist nicht korrekt';
        return false;
    }

    // anrede
    $type = (((int) $type) === 1) ? 'Herr' : 'Frau';

    $mail = base64_encode(sprintf("Nachricht von: %s\nAm: %s Uhr\n\n%s",
                    $name, date('d.m.Y, H:i'), $message));

    $header  = "from: <contactform@domain.tld> Kontaktforumlar Unda\r\n";
    $header .= "Transfer-Encoding: base64";

    // -- hier email angeben --
    mail('info@toyota-bs.de', $subject, $mail, $header);

    if(((bool) $copy) === true)
        mail($email, 'Kopie Ihrer Nachricht an Unda', $mail, $header);

    return true;
}