<?php
/* ------------------------------------------------------------------
  Breadcrumbs Function based on Dimox
  Source: http://dimox.net/wordpress-breadcrumbs-without-a-plugin/
  version: 2019.03.03
-------------------------------------------------------------------- */

if(!function_exists('tx_breadcrumbs')) :
add_action( 'tx_breadcrumbs','tx_breadcrumbs' );
function tx_breadcrumbs() {
	
	/* === OPTIONS === */
	$home_title = function_exists( 'tx_get_option' ) ? tx_get_option( 'tx_breadcrumbs_home_title' ) : '';

	if ( empty( $home_title ) ) {
	    $home_title = get_the_title( get_option('page_on_front') );
	}

	$text['home'] = $home_title;
	$text['category'] = '%s'; // text for a category page
	$text['search']   = __( 'Search Results for "%s" Query', 'avas-core' );  // text for a search results page
	$text['tag']      = __( 'Posts Tagged "%s"', 'avas-core' ); // text for a tag page
	$text['author']   = __( 'Articles Posted by %s', 'avas-core' ); // text for an author page
	$text['404']      = __( 'Error 404', 'avas-core' ); // text for the 404 page
	$text['page']     = __( 'Page %s', 'avas-core' ); // text 'Page N'
	$text['cpage']    = __( 'Comment Page %s', 'avas-core' ); // text 'Comment Page N'
	$wrap_before    = '<div class="breadcrumbs" itemscope itemtype="http://schema.org/BreadcrumbList">'; // the opening wrapper tag
	$wrap_after     = '</div><!-- .breadcrumbs -->'; // the closing wrapper tag
	$sep            = '<span class="breadcrumbs__separator"> › </span>'; // separator between crumbs
	$before         = '<span class="breadcrumbs__current">'; // tag before the current crumb
	$after          = '</span>'; // tag after the current crumb
	$show_on_home   = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show
	$show_home_link = 1; // 1 - show the 'Home' link, 0 - don't show
	$show_current   = 1; // 1 - show current page title, 0 - don't show
	$show_last_sep  = 1; // 1 - show last separator, when current page title is not displayed, 0 - don't show
	/* === END OF OPTIONS === */
	global $post;
	$home_url       = home_url('/');
	$link           = '<span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">';
	$link          .= '<a class="breadcrumbs__link" href="%1$s" itemprop="item"><span itemprop="name">%2$s</span></a>';
	$link          .= '<meta itemprop="position" content="%3$s" />';
	$link          .= '</span>';
	$parent_id      = ( $post ) ? $post->post_parent : '';
	$home_link      = sprintf( $link, $home_url, $text['home'], 1 );
	if ( is_home() || is_front_page() ) {
		if ( $show_on_home ) echo $wrap_before . $home_link . $wrap_after;
	} else {
		$position = 0;
		echo $wrap_before;
		if ( $show_home_link ) {
			$position += 1;
			echo $home_link;
		}
		
		if (is_tax('course_category')) { // LearnPress course-category handling
                $term = get_queried_object();
				if ( is_object( $term ) && isset( $term->name ) ) {
					if ($position >= 1) echo $sep;
					echo $before . esc_html($term->name) . $after;
				}
            } elseif ( is_category() || is_tax('portfolio-category') || is_tax('team-category') || is_tax('service-category') || is_tax('es_category') || is_tax('tribe_events_cat') || is_post_type_archive('lp_course') ) {
			$parents = get_ancestors( get_query_var('cat'), 'category' );
			foreach ( array_reverse( $parents ) as $cat ) {
				$position += 1;
				if ( $position > 1 ) echo $sep;
				echo sprintf( $link, get_category_link( $cat ), get_cat_name( $cat ), $position );
			}
			if ( get_query_var( 'paged' ) ) {
				$position += 1;
				$cat = get_query_var('cat');
				echo $sep . sprintf( $link, get_category_link( $cat ), get_cat_name( $cat ), $position );
				echo $sep . $before . sprintf( $text['page'], get_query_var( 'paged' ) ) . $after;
			} else {
				if ( $show_current ) {
					if ( $position >= 1 ) echo $sep;
					echo $before . sprintf( $text['category'], single_cat_title( '', false ) ) . $after;
				} elseif ( $show_last_sep ) echo $sep;
			}
		} elseif ( is_search() ) {
			if ( get_query_var( 'paged' ) ) {
				$position += 1;
				if ( $show_home_link ) echo $sep;
				echo sprintf( $link, $home_url . '?s=' . get_search_query(), sprintf( $text['search'], get_search_query() ), $position );
				echo $sep . $before . sprintf( $text['page'], get_query_var( 'paged' ) ) . $after;
			} else {
				if ( $show_current ) {
					if ( $position >= 1 ) echo $sep;
					echo $before . sprintf( $text['search'], get_search_query() ) . $after;
				} elseif ( $show_last_sep ) echo $sep;
			}
		} elseif ( is_year() ) {
			if ( $show_home_link && $show_current ) echo $sep;
			if ( $show_current ) echo $before . get_the_time('Y') . $after;
			elseif ( $show_home_link && $show_last_sep ) echo $sep;
		} elseif ( is_month() ) {
			if ( $show_home_link ) echo $sep;
			$position += 1;
			echo sprintf( $link, get_year_link( get_the_time('Y') ), get_the_time('Y'), $position );
			if ( $show_current ) echo $sep . $before . get_the_time('F') . $after;
			elseif ( $show_last_sep ) echo $sep;
		} elseif ( is_day() ) {
			if ( $show_home_link ) echo $sep;
			$position += 1;
			echo sprintf( $link, get_year_link( get_the_time('Y') ), get_the_time('Y'), $position ) . $sep;
			$position += 1;
			echo sprintf( $link, get_month_link( get_the_time('Y'), get_the_time('m') ), get_the_time('F'), $position );
			if ( $show_current ) echo $sep . $before . get_the_time('d') . $after;
			elseif ( $show_last_sep ) echo $sep;
		} elseif ( is_single() && ! is_attachment() ) {
			if ( get_post_type() != 'post' ) {
				$position += 1;
				$post_type = get_post_type_object( get_post_type() );
				if ( is_object( $post_type ) ) {
					if ( $position > 1 ) echo $sep;
					echo sprintf( $link, get_post_type_archive_link( $post_type->name ), $post_type->labels->name, $position );
					if ( $show_current ) echo $sep . $before . get_the_title() . $after;
					elseif ( $show_last_sep ) echo $sep;
				}
			} else {
				$cat = get_the_category(); $catID = $cat[0]->cat_ID;
				$parents = get_ancestors( $catID, 'category' );
				$parents = array_reverse( $parents );
				$parents[] = $catID;
				foreach ( $parents as $cat ) {
					$position += 1;
					if ( $position > 1 ) echo $sep;
					echo sprintf( $link, get_category_link( $cat ), get_cat_name( $cat ), $position );
				}
				if ( get_query_var( 'cpage' ) ) {
					$position += 1;
					echo $sep . sprintf( $link, get_permalink(), get_the_title(), $position );
					echo $sep . $before . sprintf( $text['cpage'], get_query_var( 'cpage' ) ) . $after;
				} else {
					if ( $show_current ) echo $sep . $before . get_the_title() . $after;
					elseif ( $show_last_sep ) echo $sep;
				}
			}
		} elseif ( is_post_type_archive() ) {
			$post_type = get_post_type_object( get_post_type() );
			if ( get_query_var( 'paged' ) ) {
				$position += 1;
				if ( $position > 1 ) echo $sep;
				echo sprintf( $link, get_post_type_archive_link( $post_type->name ), $post_type->label, $position );
				echo $sep . $before . sprintf( $text['page'], get_query_var( 'paged' ) ) . $after;
			} else {
			    if ( $show_home_link && $show_current ) echo $sep;

			    $post_type = get_post_type_object( get_post_type() );

			    if ( $show_current && is_object( $post_type ) && isset( $post_type->label ) ) {
			        echo $before . esc_html( $post_type->label ) . $after;
			    } elseif ( $show_home_link && $show_last_sep ) {
			        echo $sep;
			    }
			}
		} elseif ( is_attachment() ) {
    $parent = get_post( $parent_id );

    if ( $parent ) {
        $cat = get_the_category( $parent->ID );
        if ( ! empty( $cat ) && isset( $cat[0]->cat_ID ) ) {
            $catID = $cat[0]->cat_ID;
            $parents = get_ancestors( $catID, 'category' );
            $parents = array_reverse( $parents );
            $parents[] = $catID;

            foreach ( $parents as $cat ) {
                $position += 1;
                if ( $position > 1 ) echo $sep;
                echo sprintf( $link, get_category_link( $cat ), get_cat_name( $cat ), $position );
            }
        }

        $position += 1;
        echo $sep . sprintf( $link, get_permalink( $parent ), $parent->post_title, $position );
    }

    if ( $show_current ) {
        echo $sep . $before . get_the_title() . $after;
    } elseif ( $show_last_sep ) {
        echo $sep;
    }
} elseif ( is_page() && ! $parent_id ) {
			if ( $show_home_link && $show_current ) echo $sep;
			if ( $show_current ) echo $before . get_the_title() . $after;
			elseif ( $show_home_link && $show_last_sep ) echo $sep;
		} elseif ( is_page() && $parent_id ) {
			$parents = get_post_ancestors( get_the_ID() );
			foreach ( array_reverse( $parents ) as $pageID ) {
				$position += 1;
				if ( $position > 1 ) echo $sep;
				echo sprintf( $link, get_page_link( $pageID ), get_the_title( $pageID ), $position );
			}
			if ( $show_current ) echo $sep . $before . get_the_title() . $after;
			elseif ( $show_last_sep ) echo $sep;
		} elseif ( is_tag() ) {
			if ( get_query_var( 'paged' ) ) {
				$position += 1;
				$tagID = get_query_var( 'tag_id' );
				echo $sep . sprintf( $link, get_tag_link( $tagID ), single_tag_title( '', false ), $position );
				echo $sep . $before . sprintf( $text['page'], get_query_var( 'paged' ) ) . $after;
			} else {
				if ( $show_home_link && $show_current ) echo $sep;
				if ( $show_current ) echo $before . sprintf( $text['tag'], single_tag_title( '', false ) ) . $after;
				elseif ( $show_home_link && $show_last_sep ) echo $sep;
			}
		} elseif ( is_author() ) {
			$author = get_userdata( get_query_var( 'author' ) );
			if ( get_query_var( 'paged' ) ) {
				$position += 1;
				echo $sep . sprintf( $link, get_author_posts_url( $author->ID ), sprintf( $text['author'], $author->display_name ), $position );
				echo $sep . $before . sprintf( $text['page'], get_query_var( 'paged' ) ) . $after;
			} else {
				if ( $show_home_link && $show_current ) echo $sep;
				if ( $show_current ) echo $before . sprintf( $text['author'], $author->display_name ) . $after;
				elseif ( $show_home_link && $show_last_sep ) echo $sep;
			}
		} elseif ( is_404() ) {
			if ( $show_home_link && $show_current ) echo $sep;
			if ( $show_current ) echo $before . $text['404'] . $after;
			elseif ( $show_last_sep ) echo $sep;
		} elseif ( has_post_format() && ! is_singular() ) {
			if ( $show_home_link && $show_current ) echo $sep;
			echo get_post_format_string( get_post_format() );
		}
		echo $wrap_after;
	}
} 

endif;

/* ---------------------------------------------------------
    EOF
------------------------------------------------------------ */