<?php
function nkf_dynamic_category_list($atts){
    $atts = shortcode_atts(['cat'=>''], $atts, 'nkf_cat_list');
    $args = ['category_name'=>$atts['cat'],'posts_per_page'=>10];
    $posts = get_posts($args);
    if(empty($posts)) return '<p>لا توجد مقالات</p>';
    $output = '<ul>';
    foreach($posts as $p){
        $output .= '<li><a href="'.get_permalink($p->ID).'">'.esc_html($p->post_title).'</a></li>';
    }
    $output .= '</ul>';
    return $output;
}
add_shortcode('nkf_cat_list','nkf_dynamic_category_list');
?>

<?php
function nkf_media_gallery($atts){
    $atts = shortcode_atts(['ids'=>''], $atts,'nkf_gallery');
    $ids = explode(',',$atts['ids']);
    $output = '<div style="display:flex;flex-wrap:wrap;gap:10px;">';
    foreach($ids as $id){
        $url = wp_get_attachment_url($id);
        if(!$url) continue;
        $ext = pathinfo($url, PATHINFO_EXTENSION);
        if(in_array($ext,['mp4','webm'])){
            $output .= '<video controls style="max-width:200px;"><source src="'.$url.'" type="video/mp4"></video>';
        } else {
            $output .= '<img src="'.$url.'" style="max-width:200px;border-radius:8px;">';
        }
    }
    $output .= '</div>';
    return $output;
}
add_shortcode('nkf_gallery','nkf_media_gallery');
?>

<?php
function nkf_add_custom_metabox(){
    add_meta_box(
        'nkf_extra_info',
        'معلومات إضافية',
        'nkf_render_metabox',
        'post',
        'normal',
        'high'
    );
}
add_action('add_meta_boxes','nkf_add_custom_metabox');

function nkf_render_metabox($post){
    $value = get_post_meta($post->ID,'nkf_extra',true);
    echo '<label>معلومة إضافية: </label>';
    echo '<input type="text" name="nkf_extra" value="'.esc_attr($value).'" style="width:100%">';
}

function nkf_save_metabox($post_id){
    if(array_key_exists('nkf_extra',$_POST)){
        update_post_meta($post_id,'nkf_extra',sanitize_text_field($_POST['nkf_extra']));
    }
}
add_action('save_post','nkf_save_metabox');
?>

<?php
function nkf_social_share(){
    $url = get_permalink();
    $title = get_the_title();
    return '<div style="display:flex;gap:10px;">
        <a href="https://www.facebook.com/sharer/sharer.php?u='.$url.'" target="_blank">Facebook</a>
        <a href="https://twitter.com/intent/tweet?text='.$title.'&url='.$url.'" target="_blank">Twitter</a>
        <a href="https://www.linkedin.com/shareArticle?mini=true&url='.$url.'" target="_blank">LinkedIn</a>
    </div>';
}
add_shortcode('nkf_social','nkf_social_share');
?>

<?php
function nkf_obfuscate_email($email){
    $email = str_replace('@',' [at] ',$email);
    return $email;
}
add_shortcode('nkf_email','nkf_obfuscate_email');
?>

<?php
function nkf_breadcrumb(){
    $home = '<a href="'.home_url().'">الرئيسية</a>';
    if(is_single()){
        $cat = get_the_category(); $cat = $cat[0];
        echo $home.' > <a href="'.get_category_link($cat->term_id).'">'.$cat->name.'</a> > '.get_the_title();
    } elseif(is_category()){
        $cat = get_queried_object();
        echo $home.' > '.$cat->name;
    } else {
        echo $home;
    }
}
?>