<?php
/**
 * Custom functions that act independently of the theme templates.
 *
 * Eventually, some of the functionality here could be replaced by core features.
 *
 * @package App_Landing_Page
 */

/**
 * Adds custom classes to the array of body classes.
 *
 * @param array $classes Classes for the body element.
 * @return array
 */
function app_landing_page_body_classes( $classes ) {
	// Adds a class of group-blog to blogs with more than 1 published author.
	if ( is_multi_author() ) {
		$classes[] = 'group-blog';
	}

	// Adds a class of hfeed to non-singular pages.
	if ( ! is_singular() ) {
		$classes[] = 'hfeed';
	}

	return $classes;
}
add_filter( 'body_class', 'app_landing_page_body_classes' );

function app_landing_page_excerpt($text, $length = 100, $ending = '...', $exact = false, $considerHtml = true) {
	if ($considerHtml) {
		// if the plain text is shorter than the maximum length, return the whole text
		if (strlen(preg_replace('/<.*?>/', '', $text)) <= $length) {
			return $text;
		}
		// splits all html-tags to scanable lines
		preg_match_all('/(<.+?>)?([^<>]*)/s', $text, $lines, PREG_SET_ORDER);
		$total_length = strlen($ending);
		$open_tags = array();
		$truncate = '';
		foreach ($lines as $line_matchings) {
			// if there is any html-tag in this line, handle it and add it (uncounted) to the output
			if (!empty($line_matchings[1])) {
				// if it's an "empty element" with or without xhtml-conform closing slash
				if (preg_match('/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is', $line_matchings[1])) {
					// do nothing
				// if tag is a closing tag
				} else if (preg_match('/^<\s*\/([^\s]+?)\s*>$/s', $line_matchings[1], $tag_matchings)) {
					// delete tag from $open_tags list
					$pos = array_search($tag_matchings[1], $open_tags);
					if ($pos !== false) {
					unset($open_tags[$pos]);
					}
				// if tag is an opening tag
				} else if (preg_match('/^<\s*([^\s>!]+).*?>$/s', $line_matchings[1], $tag_matchings)) {
					// add tag to the beginning of $open_tags list
					array_unshift($open_tags, strtolower($tag_matchings[1]));
				}
				// add html-tag to $truncate'd text
				$truncate .= $line_matchings[1];
			}
			// calculate the length of the plain text part of the line; handle entities as one character
			$content_length = strlen(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', ' ', $line_matchings[2]));
			if ($total_length+$content_length> $length) {
				// the number of characters which are left
				$left = $length - $total_length;
				$entities_length = 0;
				// search for html entities
				if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', $line_matchings[2], $entities, PREG_OFFSET_CAPTURE)) {
					// calculate the real length of all entities in the legal range
					foreach ($entities[0] as $entity) {
						if ($entity[1]+1-$entities_length <= $left) {
							$left--;
							$entities_length += strlen($entity[0]);
						} else {
							// no more characters left
							break;
						}
					}
				}
				$truncate .= substr($line_matchings[2], 0, $left+$entities_length);
				// maximum lenght is reached, so get off the loop
				break;
			} else {
				$truncate .= $line_matchings[2];
				$total_length += $content_length;
			}
			// if the maximum length is reached, get off the loop
			if($total_length>= $length) {
				break;
			}
		}
	} else {
		if (strlen($text) <= $length) {
			return $text;
		} else {
			$truncate = substr($text, 0, $length - strlen($ending));
		}
	}
	// if the words shouldn't be cut in the middle...
	if (!$exact) {
		// ...search the last occurance of a space...
		$spacepos = strrpos($truncate, ' ');
		if (isset($spacepos)) {
			// ...and cut the text in this position
			$truncate = substr($truncate, 0, $spacepos);
		}
	}
	// add the defined ending to the text
	$truncate .= $ending;
	if($considerHtml) {
		// close all unclosed html-tags
		foreach ($open_tags as $tag) {
			$truncate .= '</' . $tag . '>';
		}
	}
	return $truncate;
}


function app_landing_page_breadcrumbs_cb() {
 
  $showOnHome = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show
  $delimiter = esc_html( get_theme_mod( 'app_landing_page_breadcrumb_separator', __( '/', 'app-landing-page' ) ) ); // delimiter between crumbs
  $home = esc_html( get_theme_mod( 'app_landing_page_breadcrumb_home_text', __( 'Home', 'app-landing-page' ) ) ); // text for the 'Home' link
  $showCurrent = get_theme_mod( 'app_landing_page_ed_current', '1' ); // 1 - show current post/page title in breadcrumbs, 0 - don't show
  $before = '<span class="current">'; // tag before the current crumb
  $after = '</span>'; // tag after the current crumb
 
  global $post;
  $homeLink = esc_url( home_url( ) );
 
  if (is_home() || is_front_page()) {
 
    if ($showOnHome == 1) echo '<div id="crumbs"><a href="' . $homeLink . '">' . $home . '</a></div>';
 
  } else {
 
    echo '<div id="crumbs"><a href="' . $homeLink . '">' . $home . '</a> ' . $delimiter . ' ';
 
    if ( is_category() ) {
      $thisCat = get_category(get_query_var('cat'), false);
      if ($thisCat->parent != 0) echo get_category_parents($thisCat->parent, TRUE, ' ' . $delimiter . ' ');
      echo $before . single_cat_title('', false) . $after;
 
    } elseif ( is_search() ) {
      echo $before . esc_html__( 'Search Result', 'app-landing-page' ) . $after;
 
    } elseif ( is_day() ) {
      echo '<a href="' . esc_url( get_year_link( get_the_time('Y') ) ) . '">' . esc_html( get_the_time('Y') ) . '</a> ' . $delimiter . ' ';
      echo '<a href="' . esc_url( get_month_link( get_the_time('Y'), get_the_time('m') ) ) . '">' . esc_html( get_the_time('F') ) . '</a> ' . $delimiter . ' ';
      echo $before . esc_html( get_the_time('d') ) . $after;
 
    } elseif ( is_month() ) {
      echo '<a href="' . esc_url( get_year_link( get_the_time('Y') ) ) . '">' . esc_html( get_the_time('Y') ) . '</a> ' . $delimiter . ' ';
      echo $before . esc_html( get_the_time('F') ) . $after;
 
    } elseif ( is_year() ) {
      echo $before . esc_html( get_the_time('Y') ) . $after;
 
    } elseif ( is_single() && !is_attachment() ) {
      if ( get_post_type() != 'post' ) {
        $post_type = get_post_type_object(get_post_type());
        $slug = $post_type->rewrite;
        echo '<a href="' . $homeLink . '/' . $slug['slug'] . '/">' . esc_html( $post_type->labels->singular_name ) . '</a>';
        if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $before . esc_html( get_the_title() ) . $after;
      } else {
        $cat = get_the_category(); $cat = $cat[0];
        $cats = get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
        if ($showCurrent == 0) $cats = preg_replace("#^(.+)\s$delimiter\s$#", "$1", $cats);
        echo $cats;
        if ($showCurrent == 1) echo $before . esc_html( get_the_title() ) . $after;
      }
 
    } elseif ( !is_single() && !is_page() && get_post_type() != 'post' && !is_404() ) {
      $post_type = get_post_type_object(get_post_type());
      echo $before . esc_html( $post_type->labels->singular_name ) . $after;
 
    } elseif ( is_attachment() ) {
      $parent = get_post($post->post_parent);
      $cat = get_the_category($parent->ID); $cat = $cat[0];
      echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
      echo '<a href="' . esc_url( get_permalink($parent) ) . '">' . esc_html( $parent->post_title ) . '</a>';
      if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $before . esc_html( get_the_title() ) . $after;
 
    } elseif ( is_page() && !$post->post_parent ) {
      if ($showCurrent == 1) echo $before . esc_html( get_the_title() ) . $after;
 
    } elseif ( is_page() && $post->post_parent ) {
      $parent_id  = $post->post_parent;
      $breadcrumbs = array();
      while ($parent_id) {
        $page = get_page($parent_id);
        $breadcrumbs[] = '<a href="' . esc_url( get_permalink($page->ID) ) . '">' . esc_html( get_the_title( $page->ID ) ) . '</a>';
        $parent_id  = $page->post_parent;
      }
      $breadcrumbs = array_reverse($breadcrumbs);
      for ($i = 0; $i < count($breadcrumbs); $i++) {
        echo $breadcrumbs[$i];
        if ($i != count($breadcrumbs)-1) echo ' ' . $delimiter . ' ';
      }
      if ($showCurrent == 1) echo ' ' . $delimiter . ' ' . $before . esc_html( get_the_title() ) . $after;
 
    } elseif ( is_tag() ) {
      echo $before . esc_html( single_tag_title('', false) ) . $after;
 
    } elseif ( is_author() ) {
       global $author;
      $userdata = get_userdata($author);
      echo $before . esc_html( $userdata->display_name ) . $after;
 
    } 
 
    if ( get_query_var('paged') ) {
      if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';
      echo __( 'Page', 'app-landing-page' ) . ' ' . get_query_var('paged');
      if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';
    }
 
    echo '</div>';
 
  }
} // end app_landing_page_breadcrumbs()

add_action( 'app_landing_page_breadcrumbs', 'app_landing_page_breadcrumbs_cb' );

/** Filter for Body Class **/

function app_landing_page_layout_class( $app_landing_page_classes ){
  global $post;
    $app_landing_page_ed_slider = get_theme_mod( 'app_landing_page_ed_slider' ); 
if( !( is_active_sidebar( 'right-sidebar' )) || is_page_template( 'template-home.php' ) || is_404() ) {
    $app_landing_page_classes[] = 'full-width'; 
  }elseif( is_search() ){
     $app_landing_page_classes[] = ''; 
  }elseif(is_singular()){
    $app_landing_page_post_class = get_post_meta( $post->ID, 'app_landing_page_sidebar_layout', true );
        if( $app_landing_page_post_class == 'no-sidebar' )
    $app_landing_page_classes[] = 'full-width';
  }elseif( $app_landing_page_ed_slider ){
     $app_landing_page_classes[] = 'has-slider';
  }else{
     $app_landing_page_classes[] = '';
  }
    
  return $app_landing_page_classes;
}

//  if( !is_page_template( 'template-home.php' ) ) { echo 'header-inner'; }  

add_filter( 'body_class', 'app_landing_page_layout_class' );

/** 
 * Hook to move comment text field to the bottom in WP 4.4 
 *
 * @link http://www.wpbeginner.com/wp-tutorials/how-to-move-comment-text-field-to-bottom-in-wordpress-4-4/  
 */
function app_landing_page_move_comment_field_to_bottom( $fields ) {
    $comment_field = $fields['comment'];
    unset( $fields['comment'] );
    $fields['comment'] = $comment_field;
    return $fields;
}

add_filter( 'comment_form_fields', 'app_landing_page_move_comment_field_to_bottom' );

/**
 * Callback function for Comment List *
 * 
 * @link https://codex.wordpress.org/Function_Reference/wp_list_comments 
 */
 
 function app_landing_page_theme_comment($comment, $args, $depth) {
	$GLOBALS['comment'] = $comment;
	extract($args, EXTR_SKIP);

	if ( 'div' == $args['style'] ) {
		$tag = 'div';
		$add_below = 'comment';
	} else {
		$tag = 'li';
		$add_below = 'div-comment';
	}
?>
	<<?php echo $tag ?> <?php comment_class( empty( $args['has_children'] ) ? '' : 'parent' ) ?> id="comment-<?php comment_ID() ?>">
	<?php if ( 'div' != $args['style'] ) : ?>
	<div id="div-comment-<?php comment_ID() ?>" class="comment-body">
	<?php endif; ?>
	
    <footer class="comment-meta">
    
        <div class="comment-author vcard">
    	<?php if ( $args['avatar_size'] != 0 ) echo get_avatar( $comment, $args['avatar_size'] ); ?>
    	<?php printf( __( '<b class="fn">%s</b>', 'app-landing-page' ), get_comment_author_link() ); ?>
    	</div>
    	<?php if ( $comment->comment_approved == '0' ) : ?>
    		<em class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'app-landing-page' ); ?></em>
    		<br />
    	<?php endif; ?>
    
    	<div class="comment-metadata commentmetadata"><a href="<?php echo htmlspecialchars( get_comment_link( $comment->comment_ID ) ); ?>"><time datetime="<?php comment_date(); ?>">
    		<?php
    			/* translators: 1: date, 2: time */
    			printf( __( '%s', 'app-landing-page' ), get_comment_date() ); ?></time></a><?php edit_comment_link( __( '(Edit)', 'app-landing-page' ), '  ', '' );
    		?>
    	</div>
    </footer>
    
    <div class="comment-content"><?php comment_text(); ?></div>

	<div class="reply">
	<?php comment_reply_link( array_merge( $args, array( 'add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
	</div>
	<?php if ( 'div' != $args['style'] ) : ?>
	</div>
	<?php endif; ?>
<?php
}


/** Function to get Sections */
 function app_landing_page_get_sections(){
    
    $app_landing_page_sections = array( 
        'banner-section' => array(
            'class' => 'banner',
            'id'    => 'banner'    
        ),

        'featured-section' => array(
            'class' => 'featured-on',
            'id'    => 'featured'    
        ),

        'features-section' => array(
            'class' => 'features',
            'id'    => 'features'    
        ),

        'vedio-section' => array(
            'class' => 'vedio',
            'id'    => 'vedio'
        ),

        'intro-section' => array(
            'class' => 'section-4',
            'id'    => 'intro'    
        ),

        'promotional-section' => array(
            'class' => 'section-5',
            'id'    => 'service'    
        ),

        'counter-section' => array(
            'class' => 'count-down',
            'id'    => 'stats'    
        ),

        'social-section' => array(
            'class' => 'stay-tuned',
            'id'    => 'social'
        ),
          
    );
    
    
    $app_landing_page_enabled_section = array();
    foreach ( $app_landing_page_sections as $app_landing_page_section ) {
        
        if ( esc_attr( get_theme_mod( 'app_landing_page_ed_' . $app_landing_page_section['id'] . '_section' ) ) == 1 ){
            $app_landing_page_enabled_section[] = array(
                'id' => $app_landing_page_section['id'],
                'class' => $app_landing_page_section['class']
            );
        }
    }
    return $app_landing_page_enabled_section;
 }
 
 add_action( 'app_landing_page_author_info_box', 'app_landing_page_author_info_box_cb' );

 // Remove [...] from the excerpt and repace with ...
    function trim_excerpt($text) {
     $text = str_replace('[', '', $text);
     $text = str_replace(']', '', $text);
     return $text;
    }
add_filter('get_the_excerpt', 'trim_excerpt');

function app_landing_page_author_info_box( ) { 
global $post;


  $time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
  if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
    $time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
  }

  $time_string = sprintf( $time_string,
    esc_attr( get_the_date( 'c' ) ),
    esc_html( get_the_date() ),
    esc_attr( get_the_modified_date( 'c' ) ),
    esc_html( get_the_modified_date() )
  );

  $posted_on = sprintf(
    esc_html_x( '%s', 'post date', 'app-landing-page' ),
    '<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>'
  );

// Detect if it is a single post with a post author
//if ( is_single() && isset( $post->post_author ) ) {
if(isset( $post->post_author )){
// Get author's display name 
$display_name = get_the_author_meta( 'display_name', $post->post_author );

// If display name is not available then use nickname as display name
if ( empty( $display_name ) )
$display_name = get_the_author_meta( 'nickname', $post->post_author );

// Get author's biographical information or description
$user_description = get_the_author_meta( 'user_description', $post->post_author );

// Get link to the author archive page
$user_posts = get_author_posts_url( get_the_author_meta( 'ID' , $post->post_author));

 
if ( ! empty( $display_name ) )

$author_details = '<strong class="name">' . $display_name . '</strong>';

if ( ! empty( $user_description ) ){
// Author avatar and bio

$author_details .= '<span class="posted-on"><time>';
$author_details .= $posted_on . '</time></span>';
$author_details .= '<p> '.nl2br( $user_description ).'</p>';

//$author_details .= '<a href="#" class="read-more">Read More</a>';  
 }
} 
// Pass all this info to post content  


?>
<section class="author">
  <div class="author-section"> <h2 class="title"> <?php esc_html__('About Author','app-landing-page') ?> </h2>
    <div class="holder">
      <div class="img-holder"><?php echo get_avatar( get_the_author_meta('user_email') , 170 ); ?></div>
        <div class="text-holder">
          <p><?php echo $author_details; ?></p>
        </div>
    </div>
  </div>
</section>
<?php } ?>