<?php

// Breadcrumbs
function kidzoo_custom_breadcrumbs() {

  $showOnHome = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show
  $delimiter = ' / '; // delimiter between crumbs
  $home = esc_html__('Home', 'kidzoo-lite'); // text for the 'Home' link
  $showCurrent = 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 . '"><i class="fa fa-home"></i>' . $home . '</a></div>';

  } else {

    echo '<div id="crumbs"><a href="' . $homeLink . '"><i class="fa fa-home"></i>' . $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 . esc_html__('Archive by category "', 'kidzoo-lite') . single_cat_title('', false) . '"' . $after;

    } elseif ( is_search() ) {
      echo $before . esc_html__('Search results for "', 'kidzoo-lite') . get_search_query() . '"' . $after;

    } elseif ( is_day() ) {
      echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
      echo '<a href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ' . $delimiter . ' ';
      echo $before . get_the_time('d') . $after;

    } elseif ( is_month() ) {
      echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
      echo $before . get_the_time('F') . $after;

    } elseif ( is_year() ) {
      echo $before . 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'] . '/">' . $post_type->labels->singular_name . '</a>';
        if ($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) $cats = preg_replace("#^(.+)\s$delimiter\s$#", "$1", $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 = $cat[0];
      echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
      echo '<a href="' . get_permalink($parent) . '">' . $parent->post_title . '</a>';
      if ($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);
        $breadcrumbs[] = '<a href="' . get_permalink($page->ID) . '">' . 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 . get_the_title() . $after;

    } elseif ( is_tag() ) {
      echo $before . esc_html__('Posts tagged "', 'kidzoo-lite') . single_tag_title('', false) . '"' . $after;

    } elseif ( is_author() ) {
       global $author;
      $userdata = get_userdata($author);
      echo $before . esc_html__('Articles posted by ', 'kidzoo-lite') . $userdata->display_name . $after;

    } elseif ( is_404() ) {
      echo $before . esc_html__('Error 404', 'kidzoo-lite') . $after;
    }

	$paged_query_var = get_query_var('paged');
	if ($paged_query_var) {
        if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';
            sprintf( esc_html__( 'Page  %s', 'kidzoo-lite' ), $paged_query_var);
        if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';
	}

    echo '</div>';

  }
} // end kidzoo_custom_breadcrumbs()

?>