define('HOWTOHUB_VERSION','3.0.0');

function howtohub_setup(){
    register_nav_menus(array('primary'=>__('Primary','howtohub'),'footer'=>__('Footer','howtohub')));
    add_theme_support('post-thumbnails');
    add_theme_support('title-tag');
    add_theme_support('html5',array('search-form','comment-form','comment-list','gallery','caption'));
    set_post_thumbnail_size(800,450,true);
}
add_action('after_setup_theme','howtohub_setup');

// Enqueue - single CSS file, single JS file
function howtohub_scripts(){
    wp_enqueue_style('howtohub',get_template_directory_uri().'/assets/css/main.css',array(),HOWTOHUB_VERSION);
    wp_enqueue_script('howtohub',get_template_directory_uri().'/assets/js/app.js',array(),HOWTOHUB_VERSION,true);
}
add_action('wp_enqueue_scripts','howtohub_scripts');

// Nuke all block styles
add_action('wp_enqueue_scripts',function(){
    foreach(['wp-block-library','wp-block-library-theme','global-styles','classic-theme-styles','wp-img-auto-sizes-contain-inline-css'] as $s) wp_dequeue_style($s);
    remove_action('wp_head','print_emoji_detection_script',7);
    remove_action('wp_print_styles','print_emoji_styles');
},100);

// Clean head
remove_action('wp_head','wp_generator');
remove_action('wp_head','wlwmanifest_link');
remove_action('wp_head','rsd_link');
remove_action('wp_head','wp_shortlink_wp_head');

// JSON-LD Schema
function howtohub_json_ld(){
    if(!is_single())return;
    $schema=array('@context'=>'https://schema.org','@type'=>'Article',
        'headline'=>get_the_title(),'datePublished'=>get_the_date('c'),'dateModified'=>get_the_modified_date('c'),
        'author'=>array('@type'=>'Person','name'=>get_the_author()),
        'publisher'=>array('@type'=>'Organization','name'=>'HowToHub','logo'=>array('@type'=>'ImageObject','url'=>get_template_directory_uri().'/screenshot.png')));
    echo '<script type="application/ld+json">'.json_encode($schema,JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES).'</script>';
}
add_action('wp_head','howtohub_json_ld');

// OG
function howtohub_og(){if(is_single()){echo '<meta property="og:title" content="'.esc_attr(get_the_title()).'"><meta property="og:url" content="'.esc_url(get_permalink()).'"><meta property="og:type" content="article"><meta property="og:site_name" content="HowToHub">';if(has_post_thumbnail())echo '<meta property="og:image" content="'.esc_url(get_the_post_thumbnail_url(null,'large')).'">';}}
add_action('wp_head','howtohub_og');

// Category helpers
function howtohub_cat_icon($tid){$i=get_term_meta($tid,'howtohub_icon',true);return $i?:'📁';}
function howtohub_cat_color($tid){$c=get_term_meta($tid,'howtohub_color',true);return $c?:'#6366f1';}

// Default cat meta on activation
function howtohub_default_cats(){
    $d=array('লিনাক্স'=>array('🐧','#f59e0b'),'সার্ভার'=>array('🖥️','#3b82f6'),'ওয়েব ডেভেলপমেন্ট'=>array('🌐','#10b981'),'প্রোগ্রামিং'=>array('💻','#8b5cf6'),'ডেভঅপস'=>array('⚙️','#ef4444'),'নেটওয়ার্কিং'=>array('🔗','#06b6d4'),'সিকিউরিটি'=>array('🔒','#ec4899'),'মোবাইল'=>array('📱','#14b8a6'),'সাধারণ'=>array('📝','#64748b'));
    foreach($d as $n=>$v){$t=get_term_by('name',$n,'category');if($t){update_term_meta($t->term_id,'howtohub_icon',$v[0]);update_term_meta($t->term_id,'howtohub_color',$v[1]);}}
}
add_action('after_switch_theme','howtohub_default_cats');

// Reading time
function howtohub_reading_time(){ob_start();the_content();$c=str_word_count(strip_tags(ob_get_clean()));return max(1,ceil($c/200));}

// Ad Spot Shortcodes
function howtohub_ad_spot($atts){$a=shortcode_atts(array('size'=>'default'),$atts);ob_start();
echo '<div class="ad-spot ad-spot--'.esc_attr($a['size']).'" role="complementary" aria-label="'.esc_attr__('বিজ্ঞাপন স্পট','howtohub').'">';
if(current_user_can('administrator')){echo '<p style="font-size:11px;color:var(--text-dim);margin:0">'.esc_html__('এডমিন — এখানে এড কোড বসান','howtohub').'</p>';}
echo '</div>';
return ob_get_clean();}
add_shortcode('ad','howtohub_ad_spot');

// AJAX Live Search
add_action('wp_ajax_howtohub_search','howtohub_ajax_search');
add_action('wp_ajax_nopriv_howtohub_search','howtohub_ajax_search');
function howtohub_ajax_search(){
  $q=sanitize_text_field($_GET['q']??'');
  if(strlen($q)<2){wp_send_json([]);}
  $r=new WP_Query(['s'=>$q,'posts_per_page'=>6,'post_status'=>'publish']);
  $res=[];
  while($r->have_posts()):$r->the_post();
    $res[]=['title'=>get_the_title(),'url'=>get_permalink(),'date'=>get_the_date(),'excerpt'=>wp_trim_words(get_the_excerpt()?:'',15),'cat'=>get_the_category()?esc_html(get_the_category()[0]->name):''];
  endwhile;wp_reset_postdata();
  wp_send_json($res);
}


// Bengali comment form labels
add_filter('comment_form_defaults',function($d){
  $d['title_reply']='মতামত জানান';
  $d['title_reply_to']='উত্তর দিন %s-কে';
  $d['cancel_reply_link']='বাতিল';
  $d['label_submit']='মতামত পাঠান';
  $d['comment_field']='<p class="comment-form-comment"><label for="comment">আপনার মতামত</label><textarea id="comment" name="comment" required></textarea></p>';
  $d['comment_notes_before']='আপনার ইমেইল প্রকাশ করা হবে না।';
  $d['must_log_in']='<p class="must-log-in">মতামত দিতে <a href="%s">লগইন</a> করুন।</p>';
  return $d;
});
add_filter('comment_form_fields',function($f){
  $comment=$f['comment'];unset($f['comment']);
  $f['author']='<p class="comment-form-author"><label for="author">নাম</label><input id="author" name="author" type="text" required></p>';
  $f['email']='<p class="comment-form-email"><label for="email">ইমেইল</label><input id="email" name="email" type="email" required></p>';
  $f['comment']=$comment;
  return $f;
});
<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//howtohub.bd/wp-content/plugins/wordpress-seo/css/main-sitemap.xsl"?>
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	<url>
		<loc>https://howtohub.bd/</loc>
		<lastmod>2026-06-18T15:10:48+00:00</lastmod>
	</url>
	<url>
		<loc>https://howtohub.bd/css-flexbox-guide/</loc>
		<lastmod>2026-06-18T15:10:43+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/css-flexbox-guide-hd.jpg</image:loc>
		</image:image>
	</url>
	<url>
		<loc>https://howtohub.bd/linux-commands-cheatsheet/</loc>
		<lastmod>2026-06-18T15:10:44+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/linux-commands-cheatsheet-hd.jpg</image:loc>
		</image:image>
	</url>
	<url>
		<loc>https://howtohub.bd/ssh-server-security/</loc>
		<lastmod>2026-06-18T15:10:44+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/ssh-server-security-hd.jpg</image:loc>
		</image:image>
	</url>
	<url>
		<loc>https://howtohub.bd/devops-guide/</loc>
		<lastmod>2026-06-18T15:10:45+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/devops-guide-hd.jpg</image:loc>
		</image:image>
	</url>
	<url>
		<loc>https://howtohub.bd/web-development-intro/</loc>
		<lastmod>2026-06-18T15:10:46+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/web-development-intro-hd.jpg</image:loc>
		</image:image>
	</url>
	<url>
		<loc>https://howtohub.bd/programming-101/</loc>
		<lastmod>2026-06-18T15:10:46+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/programming-101-hd.jpg</image:loc>
		</image:image>
	</url>
	<url>
		<loc>https://howtohub.bd/server-setup-guide/</loc>
		<lastmod>2026-06-18T15:10:47+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/server-setup-guide-hd.jpg</image:loc>
		</image:image>
	</url>
	<url>
		<loc>https://howtohub.bd/linux-full-guide/</loc>
		<lastmod>2026-06-18T15:10:48+00:00</lastmod>
		<image:image>
			<image:loc>https://howtohub.bd/wp-content/uploads/2026/06/linux-full-guide-hd.jpg</image:loc>
		</image:image>
	</url>
</urlset>
<!-- XML Sitemap generated by Yoast SEO -->