<?php
/**
 * This partial is used for displaying the Breadcrumbs
 *
 * @package inbio
 *
 * Add this to any template file by calling rainbow_breadcrumbs()
 */

/**
 * Breadcrumb
 */
if(!function_exists('rainbow_breadcrumbs')){
    function rainbow_breadcrumbs()
    {

        $rainbow_option = rainbow_get_opt();
        $allowed_tags = wp_kses_allowed_html('post');

        /**
         * Settings
         */
        $separator = '';
        $breadcrums_id = 'breadcrumbs';
        $breadcrums_class = 'page-list';
        $home_title = esc_html__('Home', 'inbio');

        $term_tv = get_term_by('slug', get_query_var('term'), get_query_var('taxonomy'));

        // If you have any custom post types with custom taxonomies, put the taxonomy name below (e.g. product_cat)
        $custom_taxonomy = '';

        $allowed_tags = wp_kses_allowed_html('post');

        // Get the query & post information
        global $post, $wp_query;

        // Do not display on the homepage
        if (!is_front_page()) {

            // Build the breadcrums
            echo '<ul id="' . $breadcrums_id . '" class="' . $breadcrums_class . '">';

            // Home page
            echo '<li class="item-home"><a class="inbio-breadcrumb-item bread-link bread-home" href="' . esc_url(get_home_url()) . '" title="' . $home_title . '">' . $home_title . '</a></li>';
            echo '<li class="separator separator-home"> ' . wp_kses($separator, $allowed_tags) . ' </li>';

            if (is_archive() && !is_tax() && !is_category() && !is_tag()) {

                echo '<li class="inbio-breadcrumb-item active item-current item-archive"><span class="bread-current bread-archive">' . wp_title('', '') . '</span></li>';

            } else if (is_archive() && is_tax() && !is_category() && !is_tag()) {

                // If post is a custom post type
                $post_type = get_post_type();
 
                $custom_tax_name = get_queried_object()->name;
                echo '<li class="inbio-breadcrumb-item active item-current item-archive"><span class="bread-current bread-archive">' . esc_html($custom_tax_name) . '</span></li>';

            } else if (is_single() && empty($term_inbio->name)) {
                ///echo 999;
                // If post is a custom post type
                $post_type = get_post_type();

                // If it is a custom post type display name and link
                if ($post_type != 'post') {

                    $post_type_object = get_post_type_object($post_type);
                    $post_type_archive = get_post_type_archive_link($post_type);

                    echo '<li class="inbio-breadcrumb-item item-cat item-custom-post-type-' . $post_type . '"><a class="bread-cat bread-custom-post-type-' . $post_type . '" href="' . esc_url($post_type_archive) . '" title="' . esc_attr($post_type_object->labels->name) . '">' . esc_html($post_type_object->labels->name) . '</a></li>';
                    echo '<li class="separator"> ' . wp_kses($separator, $allowed_tags) . ' </li>';

                }

                // Get post category info
                $category = get_the_category();

                if (!empty($category)) {

                    // Get last category post is in
                    $last_category = end($category);
                    // Get parent any categories and create array
                    $get_cat_parents = rtrim(get_category_parents($last_category->term_id, true, ','), ',');
                    $cat_parents = explode(',', $get_cat_parents);
                    // Loop through parent categories and store in variable $cat_display
                    $cat_display = '';
                    foreach ($cat_parents as $parents) {
                        $cat_display .= '<li class="item-cat">' . $parents . '</li>';
                        $cat_display .= '<li class="separator"> ' . wp_kses($separator, $allowed_tags) . ' </li>';
                    }

                }

                // If it's a custom post type within a custom taxonomy
                $taxonomy_exists = taxonomy_exists($custom_taxonomy);
                if (empty($last_category) && !empty($custom_taxonomy) && $taxonomy_exists) {

                    $taxonomy_terms = get_the_terms($post->ID, $custom_taxonomy);
                    $cat_id = $taxonomy_terms[0]->term_id;
                    $cat_nicename = $taxonomy_terms[0]->slug;
                    $cat_link = get_term_link($taxonomy_terms[0]->term_id, $custom_taxonomy);
                    $cat_name = $taxonomy_terms[0]->name;

                }

                // Check if the post is in a category
                if (!empty($last_category)) {
                    echo wp_kses($cat_display, $allowed_tags);
                    echo '<li class="inbio-breadcrumb-item active item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '" title="' . esc_attr(get_the_title()) . '">' . rainbow_short_title(get_the_title()) . '</span></li>';

                    // Else if post is in a custom taxonomy
                } else if (!empty($cat_id)) {

                    echo '<li class="item-cat item-cat-' . $cat_id . ' item-cat-' . $cat_nicename . '"><a class="bread-cat bread-cat-' . $cat_id . ' bread-cat-' . $cat_nicename . '" href="' . esc_url($cat_link) . '" title="' . esc_attr($cat_name) . '">' . esc_html($cat_name) . '</a></li>';
                    echo '<li class="separator"> ' . wp_kses($separator, $allowed_tags) . ' </li>';
                    echo '<li class="active item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '" title="' . esc_attr(get_the_title()) . '">' . rainbow_short_title(get_the_title()) . '</span></li>';

                } else {

                    echo '<li class="active item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '" title="' . esc_attr(get_the_title()) . '">' . rainbow_short_title(get_the_title()) . '</span></li>';

                }

            } else if (is_category() || !empty($term_inbio->name)) {
                // Category page
                if (is_category()) {
                    echo '<li class="inbio-breadcrumb-item active item-current item-cat"><span class="bread-current bread-cat">' . esc_html(single_cat_title('', false)) . '</span></li>';
                } else {
                    echo '<li class="inbio-breadcrumb-item active item-current item-cat"><span class="bread-current bread-cat">' . esc_html($term_inbio->name) . '</span></li>';
                }

            } else if (is_page()) {

                // Standard page
                if ($post->post_parent) {

                    // If child page, get parents
                    $anc = get_post_ancestors($post->ID);

                    // Get parents in the right order
                    $anc = array_reverse($anc);

                    // Parent page loop
                    foreach ($anc as $ancestor) {
                        $parents = '<li class="item-parent item-parent-' . $ancestor . '"><a class="bread-parent bread-parent-' . $ancestor . '" href="' . get_permalink($ancestor) . '" title="' . get_the_title($ancestor) . '">' . get_the_title($ancestor) . '</a></li>';
                        $parents .= '<li class="separator separator-' . $ancestor . '"> ' . wp_kses($separator, $allowed_tags) . ' </li>';
                    }

                    // Display parent pages
                    echo wp_kses($parents, $allowed_tags);

                    // Current page
                    echo '<li class="inbio-breadcrumb-item active item-current item-' . $post->ID . '"><span title="' . esc_attr(get_the_title()) . '"> ' . rainbow_short_title(get_the_title()) . '</span></li>';

                } else {
                    // Just display current page if not parents
                    echo '<li class="inbio-breadcrumb-item active item-current item-' . $post->ID . '"><span class="bread-current bread-' . $post->ID . '"> ' . rainbow_short_title(get_the_title()) . '</span></li>';

                }

            } else if (is_tag()) {

                // Tag page

                // Get tag information
                $term_id = get_query_var('tag_id');
                $taxonomy = 'post_tag';
                $args = 'include=' . $term_id;
                $terms = get_terms($taxonomy, $args);
                $get_term_id = $terms[0]->term_id;
                $get_term_slug = $terms[0]->slug;
                $get_term_name = $terms[0]->name;

                // Display the tag name
                echo '<li class="inbio-breadcrumb-item active item-current item-tag-' . $get_term_id . ' item-tag-' . $get_term_slug . '"><span class="bread-current bread-tag-' . $get_term_id . ' bread-tag-' . $get_term_slug . '">' . $get_term_name . '</span></li>';

            } elseif (is_day()) {

                // Day archive

                // Year link
                echo '<li class="inbio-breadcrumb-item item-year item-year-' . get_the_time('Y') . '"><a class="bread-year bread-year-' . get_the_time('Y') . '" href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . esc_html__('Archives', 'inbio') . '</a></li>';
                echo '<li class="separator separator-' . get_the_time('Y') . '"> ' . wp_kses($separator, $allowed_tags) . ' </li>';

                // Month link
                echo '<li class="item-month item-month-' . get_the_time('m') . '"><a class="bread-month bread-month-' . get_the_time('m') . '" href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '" title="' . get_the_time('M') . '">' . get_the_time('M') . esc_html__('Archives', 'inbio') . '</a></li>';
                echo '<li class="separator separator-' . get_the_time('m') . '"> ' . wp_kses($separator, $allowed_tags) . ' </li>';

                // Day display
                echo '<li class="active item-current item-' . get_the_time('j') . '"><span class="bread-current bread-' . get_the_time('j') . '"> ' . get_the_time('jS') . ' ' . get_the_time('M') . esc_html__('Archives', 'inbio') . '</span></li>';

            } else if (is_month()) {

                // Month Archive

                // Year link
                echo '<li class="item-year item-year-' . get_the_time('Y') . '"><a class="bread-year bread-year-' . get_the_time('Y') . '" href="' . get_year_link(get_the_time('Y')) . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . esc_html__('Archives', 'inbio') . '</a></li>';
                echo '<li class="separator separator-' . get_the_time('Y') . '"> ' . wp_kses($separator, $allowed_tags) . ' </li>';

                // Month display
                echo '<li class="item-month item-month-' . get_the_time('m') . '"><span class="bread-month bread-month-' . get_the_time('m') . '" title="' . get_the_time('M') . '">' . get_the_time('M') . esc_html__('Archives', 'inbio') . '</span></li>';

            } else if (is_year()) {

                // Display year archive
                echo '<li class="active item-current item-current-' . get_the_time('Y') . '"><span class="bread-current bread-current-' . get_the_time('Y') . '" title="' . get_the_time('Y') . '">' . get_the_time('Y') . esc_html__('Archives', 'inbio') . '</span></li>';

            } else if (is_author()) {

                // Auhor archive

                // Get the author information
                global $author;
                $userdata = get_userdata($author);

                // Display author name
                echo '<li class="active item-current item-current-' . esc_attr($userdata->user_nicename) . '"><span class="bread-current bread-current-' . esc_attr($userdata->user_nicename) . '" title="' . esc_attr($userdata->display_name) . '">' . esc_html__('Author: ', 'inbio') . esc_html($userdata->display_name) . '</span></li>';

            } else if (get_query_var('paged')) {

                // Paginated archives
                echo '<li class="active item-current item-current-' . get_query_var('paged') . '"><span class="bread-current bread-current-' . get_query_var('paged') . '" title="Page ' . get_query_var('paged') . '">' . esc_html__('Page', 'inbio') . ' ' . get_query_var('paged') . '</span></li>';

            } else if (is_search()) {

                // Search results page
                echo '<li class="active item-current item-current-' . get_search_query() . '"><span class="bread-current bread-current-' . get_search_query() . '" title="Search results for: ' . get_search_query() . '">' . esc_html__('Search results for: ', 'inbio') . get_search_query() . '</span></li>';

            } elseif (is_404()) {

                // 404 page
                echo '<li>' . esc_html__('Error 404', 'inbio') . '</li>';
            }

            echo '</ul>';

        }

    }
}