<?php
if( ! function_exists( 'amazing_blog_simple_breadcrumb' ) ) :

    /**
     * Simple breadcrumb
     *
     * Source: https://gist.github.com/melissacabral/4032941
     *
     * @since  Amazing BLog 1.0.0
     */

    function amazing_blog_simple_breadcrumb( $args = array() ){

        $args = wp_parse_args( (array) $args, array(
            'separator' =>  '&gt;',
        ) );

        /* === OPTIONS === */
        $text['home']     = get_bloginfo( 'name' ); // text for the 'Home' link
        $text['category'] = __( 'Archive for <em>%s</em>', 'amazing-blog' ); // text for a category page
        $text['tax']      = __( 'Archive for <em>%s</em>', 'amazing-blog' ); // text for a taxonomy page
        $text['search']   = __( 'Search results for: <em>%s</em>', 'amazing-blog' ); // text for a search results page
        $text['tag']      = __( 'Posts tagged <em>%s</em>', 'amazing-blog' ); // text for a tag page
        $text['author']   = __( 'View all posts by <em>%s</em>', 'amazing-blog' ); // text for an author page
        $text['404']      = __( 'Error 404', 'amazing-blog' ); // text for the 404 page

        $showCurrent = 1; // 1 - show current post/page title in breadcrumbs, 0 - don't show
        $showOnHome  = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show
        $delimiter   = ' ' . $args['separator'] . ' '; // delimiter between crumbs
        $before      = '<span class="current">'; // tag before the current crumb
        $after       = '</span>'; // tag after the current crumb
        /* === END OF OPTIONS === */

        global $post;
        $homeLink   = esc_url( home_url( '/' ) );
        $linkBefore = '<span typeof="v:Breadcrumb">';
        $linkAfter  = '</span>';
        $linkAttr   = ' rel="v:url" property="v:title"';
        $link       = $linkBefore . '<a' . $linkAttr . ' href="%1$s">%2$s</a>' . $linkAfter;

        if (is_home() || is_front_page()) {

            if ($showOnHome == 1) echo '<div id="crumbs"><a href="' . $homeLink . '">' . $text['home'] . '</a></div>';

        } else {

            echo '<div id="crumbs" xmlns:v="http://rdf.data-vocabulary.org/#">' . sprintf($link, $homeLink, $text['home']) . $delimiter;


            if ( is_category() ) {
                $thisCat = get_category(get_query_var('cat'), false);
                if ($thisCat->parent != 0) {
                    $cats = get_category_parents($thisCat->parent, TRUE, $delimiter);
                    $cats = str_replace('<a', $linkBefore . '<a' . $linkAttr, $cats);
                    $cats = str_replace('</a>', '</a>' . $linkAfter, $cats);
                    echo $cats;
                }
                echo $before . sprintf($text['category'], single_cat_title('', false)) . $after;

            } elseif( is_tax() ){
                $thisCat = get_category(get_query_var('cat'), false);
                if ($thisCat->parent != 0) {
                    $cats = get_category_parents($thisCat->parent, TRUE, $delimiter);
                    $cats = str_replace('<a', $linkBefore . '<a' . $linkAttr, $cats);
                    $cats = str_replace('</a>', '</a>' . $linkAfter, $cats);
                    echo $cats;
                }
                echo $before . sprintf($text['tax'], single_cat_title('', false)) . $after;

            }elseif ( is_search() ) {
                echo $before . sprintf($text['search'], get_search_query()) . $after;

            } elseif ( is_day() ) {
                echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')) . $delimiter;
                echo sprintf($link, get_month_link(get_the_time('Y'),get_the_time('m')), get_the_time('F')) . $delimiter;
                echo $before . get_the_time('d') . $after;

            } elseif ( is_month() ) {
                echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')) . $delimiter;
                echo $before . esc_attr( get_the_time('F') ) . $after;

            } elseif ( is_year() ) {
                echo $before . esc_attr( get_the_time('Y') ) . $after;

            } elseif ( is_single() && !is_attachment() ) {
                if( 'product' == get_post_type()){
                    $post_type = get_post_type_object(get_post_type());
                    $shop_page_url = get_permalink( wc_get_page_id( 'shop' ) );
                    printf($link,$shop_page_url . '/', $post_type->labels->singular_name);
                    if ($showCurrent == 1) echo $delimiter . $before . get_the_title() . $after;
                }
                elseif ( get_post_type() != 'post' ) {
                    $post_type = get_post_type_object(get_post_type());
                    $slug = $post_type->rewrite;
                    printf($link, $homeLink . '/' . $slug['slug'] . '/', $post_type->labels->singular_name);
                    if ($showCurrent == 1) echo $delimiter . $before . get_the_title() . $after;
                } else {
                    $cat = get_the_category(); $cat = $cat[0];
                    $cats = get_category_parents($cat, TRUE, $delimiter);
                    if ($showCurrent == 0) $cats = preg_replace("#^(.+)$delimiter$#", "$1", $cats);
                    $cats = str_replace('<a', $linkBefore . '<a' . $linkAttr, $cats);
                    $cats = str_replace('</a>', '</a>' . $linkAfter, $cats);
                    echo  $cats;
                    if ($showCurrent == 1) echo $before . 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 . $post_type->labels->singular_name . $after;

            } elseif ( is_attachment() ) {
                $parent = get_post($post->post_parent);
                $cat = get_the_category($parent->ID); $cat = $cat[0];
                $cats = get_category_parents($cat, TRUE, $delimiter);
                $cats = str_replace('<a', $linkBefore . '<a' . $linkAttr, $cats);
                $cats = str_replace('</a>', '</a>' . $linkAfter, $cats);
                echo $cats;
                printf($link, get_permalink($parent), $parent->post_title);
                if ($showCurrent == 1) echo $delimiter . $before . get_the_title() . $after;

            } elseif ( is_page() && !$post->post_parent ) {
                if ($showCurrent == 1) echo $before . 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);
                    $breadcrumbs[] = sprintf($link, get_permalink($page->ID), get_the_title($page->ID));
                    $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 . get_the_title() . $after;

            } elseif ( is_tag() ) {
                echo $before . sprintf($text['tag'], single_tag_title('', false)) . $after;

            } elseif ( is_author() ) {
                global $author;
                $userdata = get_userdata($author);
                echo $before . sprintf($text['author'], $userdata->display_name) . $after;

            } elseif ( is_404() ) {
                echo $before . $text['404'] . $after;
            }

            if ( get_query_var('paged') ) {
                if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';
                echo __( 'Page', 'amazing-blog' ) . ' ' . get_query_var('paged');
                if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';
            }

            echo '</div>';

        }
    } // end amazing_blog_simple_breadcrumb()

endif;