<?php
/**
 * Custom template tags for this theme
 *
 * Eventually, some of the functionality here could be replaced by core features.
 *
 * @package Azhar
 */
 
function azhar_header_logo() {
	$azhar_sticky_bar_logo = get_theme_mod('azhar_sticky_bar_logo');
		the_custom_logo(); 
	?>
					
	<?php if($azhar_sticky_bar_logo != null) : ?>	
			<a class="sticky-navbar-brand" href="<?php echo esc_url( home_url( '/' ) ); ?>" ><img src="<?php echo esc_url($azhar_sticky_bar_logo); ?>" class="custom-logo" alt="<?php esc_attr(bloginfo("name")); ?>"></a>
	<?php endif; ?>
	
    <?php if ( display_header_text() ) : ?>
	<?php if ( get_bloginfo( 'title' )  !== '' || get_bloginfo( 'description' )  !== '' ){ ?>
	<div class="site-branding-text">
	    <h2 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php esc_attr(bloginfo( 'name' )); ?></a></h2>
		<?php
		$description = get_bloginfo( 'description', 'display' );
		if ( $description || is_customize_preview() ) : ?>
			<p class="site-description"><?php echo esc_html( $description ); ?></p>
		<?php endif; ?>
	</div>
	<?php } endif;
} 

function azhar_header_logo_class($html)
{
	$html = str_replace('custom-logo-link', 'navbar-brand', $html);
	return $html;
}
add_filter('get_custom_logo','azhar_header_logo_class');

if ( ! function_exists( 'azhar_comment' ) ) :
function azhar_comment( $comment, $args, $depth ) 
{  ?>
        <div <?php comment_class('media comment-box'); ?> id="comment-<?php comment_ID(); ?>">
			<a class="pull-left-comment">
            <?php echo get_avatar($comment); ?>
            </a>
            <div class="media-body">
			   <div class="comment-detail">
				<h5 class="comment-detail-title"><?php printf(('%s'), get_comment_author_link()) ?>
				<time class="comment-date">
				<a href="<?php echo esc_url( get_comment_link( $comment->comment_ID ) );?>">
				<?php comment_date('F j, Y');?>&nbsp;<?php esc_html_e('at','azhar');?>&nbsp;<?php comment_time('g:i a'); ?>
				</a>
				</time></h5>
				<?php comment_text() ;?>
				<div class="reply">
				<?php comment_reply_link(array_merge( $args, array('depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
				</div>
				<?php if ( $comment->comment_approved == '0' ) : ?>
				<em class="comment-awaiting-moderation"><?php esc_html_e( 'Your comment is awaiting moderation.', 'azhar' ); ?></em>
				<br/>
				<?php endif; ?>
				</div>
			</div>
		</div>
<?php
}
endif;
add_filter('get_avatar','azhar_gravatar_class');
function azhar_gravatar_class($class) {
    $class = str_replace("class='avatar", "class='img-fluid comment-img", $class);
    return $class;
}

function azhar_read_more_button_class($read_class)
	{  global $post;
		return '<p><a href="' . esc_url( get_permalink() ) . "#more-{$post->ID}\" class=\"more-link\">" .__('Read More','azhar')."</a></p>";
	}
add_filter( 'the_content_more_link', 'azhar_read_more_button_class' );

function azhar_post_thumbnail() {
    if(has_post_thumbnail()){
	    echo '<figure class="post-thumbnail"><a href="'.esc_url( get_the_permalink() ).'">';
		the_post_thumbnail( '', array( 'class'=>'img-fluid' ) );
		echo '</a></figure>';
	}
}

// theme page header title functions
function azhar_theme_page_header_title(){
	if( is_archive() )
	{
		echo '<div class="page-header-title text-center"><h1 class="text-white">';
		if ( is_day() ) :
		/* translators: %1$s %2$s: day */
		  printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('Archives','azhar'), get_the_date() );  
        elseif ( is_month() ) :
		/* translators: %1$s %2$s: month */
		  printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('Archives','azhar'), get_the_date( 'F Y' ) );
        elseif ( is_year() ) :
		/* translators: %1$s %2$s: year */
		  printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('Archives','azhar'), get_the_date( 'Y' ) );
		elseif( is_author() ):
		/* translators: %1$s %2$s: author */
			printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('All posts by','azhar'), get_the_author() );
        elseif( is_category() ):
		/* translators: %1$s %2$s: category */
			printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('Category','azhar'), single_cat_title( '', false ) );
		elseif( is_tag() ):
		/* translators: %1$s %2$s: tag */
			printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('Tag','azhar'), single_tag_title( '', false ) );
		elseif( class_exists( 'WooCommerce' ) && is_shop() ):
		/* translators: %1$s %2$s: WooCommerce */
			printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('Shop','azhar'), single_tag_title( '', false ));
        elseif( is_archive() ): 
		the_archive_title( '<h1 class="text-white">', '</h1>' ); 
		endif;
		echo '</h1></div>';
	}
	elseif( is_404() )
	{
		echo '<div class="page-header-title text-center"><h1 class="text-white">';
		/* translators: %1$s: 404 */
		printf( esc_html__( '%1$s', 'azhar' ) , esc_html__('404','azhar') );
		echo '</h1></div>';
	}
	elseif( is_search() )
	{
		echo '<div class="page-header-title text-center"><h1 class="text-white">';
		/* translators: %1$s %2$s: search */
		printf( esc_html__( '%1$s %2$s', 'azhar' ), esc_html__('Search results for','azhar'), get_search_query() );
		echo '</h1></div>';
	}
	else
	{
		echo '<div class="page-header-title text-center"><h1 class="text-white">'.esc_html( get_the_title() ).'</h1></div>';
	}
}

function azhar_bootstrap_menu_notitle( $menu ){
  return $menu = preg_replace('/ title=\"(.*?)\"/', '', $menu );
}
add_filter( 'wp_nav_menu', 'azhar_bootstrap_menu_notitle' );

// theme page header Url functions
function azhar_curPageURL() {
	$page_url = 'http';
	if ( key_exists("HTTPS", $_SERVER) && ( $_SERVER["HTTPS"] == "on" ) ){
		$page_url .= "s";
	}
	$page_url .= "://";
	if ($_SERVER["SERVER_PORT"] != "80") {
		$page_url .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
	} else {
		$page_url .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
 }
 return $page_url;
}

/**
 * Menu 
*/
function azhar_custom_menu_script()
{
	$custom_logo = get_theme_mod( 'custom_logo' );
	if(display_header_text()== true && $custom_logo != null && get_bloginfo( 'title' )  !== '' ){
		$toggle_value = 2; 
	}else{
		$toggle_value = 1; 
	}
?>
<script>
	// This JS added for the Toggle button to work with the focus element.
		if (window.innerWidth < 992) {
			
			document.addEventListener('keydown', function(e) {
			let isTabPressed = e.key === 'Tab' || e.keyCode === 9;
				if (!isTabPressed) {
					return;
				}
				
			const  focusableElements =
				'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])';
			const modal = document.querySelector('.navbar.navbar-expand-lg'); // select the modal by it's id

			const firstFocusableElement = modal.querySelectorAll(focusableElements)[<?php echo $toggle_value; ?>]; // get first element to be focused inside modal
			const focusableContent = modal.querySelectorAll(focusableElements);
			const lastFocusableElement = focusableContent[focusableContent.length - 1]; // get last element to be focused inside modal

			  if (e.shiftKey) { // if shift key pressed for shift + tab combination
				if (document.activeElement === firstFocusableElement) {
				  lastFocusableElement.focus(); // add focus for the last focusable element
				  e.preventDefault();
				}
			  } else { // if tab key is pressed
				if (document.activeElement === lastFocusableElement) { // if focused has reached to last focusable element then focus first focusable element after pressing tab
				  firstFocusableElement.focus(); // add focus for the first focusable element
				  e.preventDefault();			  
				}
			  }

			});
		}
</script>
<?php	
}
add_action('wp_footer','azhar_custom_menu_script');