/* CONTACT FORM 7 - SIMPLE QUIZ ANTI-BOT (Slovenian + works with your form) */
add_action('wp_enqueue_scripts', 'cf7_slovenian_quiz');
function cf7_slovenian_quiz() {
if (!function_exists('wpcf7') || !wpcf7_is_form_page()) return;

wp_enqueue_script('cf7-quiz-js', false, array(), null, true);

$questions = [
'Koliko je 4 + 5?' => 9,
'Koliko je 10 - 3?' => 7,
'Koliko je 6 + 7?' => 13,
'Koliko je 8 × 2?' => 16,
'Koliko je 15 ÷ 3?' => 5,
'Koliko prstov ima ena roka?' => 5,
'Katera barva je nebo?' => 'modra',
'Katera je prva črka abecede?' => 'a'
];

$q = array_rand($questions);
$answer = $questions[$q];

$js = "
document.addEventListener('DOMContentLoaded', function() {
document.querySelectorAll('.wpcf7-form').forEach(function(form) {
var quizHTML = `

`;

var submitCol = form.querySelector('.col-md-12 [type=\"submit\"]')?.closest('.col-md-12');
if (submitCol) {
submitCol.insertAdjacentHTML('beforebegin', quizHTML);
} else {
form.insertAdjacentHTML('beforeend', quizHTML);
}

form.addEventListener('submit', function(e) {
var userAns = form.querySelector('[name=\"cf7_quiz\"]').value.trim().toLowerCase();
var correct = form.querySelector('[name=\"cf7_quiz_correct\"]').value;
if (userAns != correct && userAns != correct.toString()) {
alert('Napačen odgovor! Prosimo, rešite anti-spam vprašanje.');
e.preventDefault();
}
});
});
});
";
wp_add_inline_script('cf7-quiz-js', $js);
}

// Server-side backup (blocks bots even if JS is off)
add_filter('wpcf7_validate', function($result, $tag) {
$submission = WPCF7_Submission::get_instance();
if ($submission) {
$posted = $submission->get_posted_data();
$user = isset($posted['cf7_quiz']) ? trim(strtolower($posted['cf7_quiz'])) : '';
$correct = isset($posted['cf7_quiz_correct']) ? strtolower(trim($posted['cf7_quiz_correct'])) : '';

if ($user === '' || $user !== $correct) {
$result->invalidate('cf7_quiz', 'Napačen odgovor na anti-spam vprašanje.');
}
}
return $result;
}, 10, 2);

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