<?php
namespace ULTP\blocks;

defined('ABSPATH') || exit;

class Post_Breadcrumb {
    public function __construct() {
        add_action('init', array($this, 'register'));
    }
    public function get_attributes() {

        return array(
            'blockId' => '',

            /*============================
                Breadcrumb Settings
            ============================*/
            'bcrumbSeparator' => true,
            'bcrumbName' => true,
            'bcrumbRootText' => 'Home',

            /*============================
                Separator Style
            ============================*/
            'bcrumbSeparatorIcon' => 'dash',

            /*============================
                Advance Settings
            ============================*/
            'advanceId' => '',
            'advanceZindex' => '',
            'hideExtraLarge' => false,
            'hideDesktop' => false,
            'hideTablet' => false,
            'hideMobile' => false,
            'advanceCss' => '',
        );
    }

    public function register() {
        register_block_type( 'ultimate-post/post-breadcrumb',
            array(
                'editor_script' => 'ultp-blocks-editor-script',
                'editor_style'  => 'ultp-blocks-editor-css',
                'render_callback' => array($this, 'content')
            )
        );
    }

    public function content($attr, $noAjax) {
        $attr = wp_parse_args($attr, $this->get_attributes());
        global $post;
        $block_name = 'post-breadcrumb';
        $wrapper_before = $wrapper_after = $content = '';

        $attr['className'] = isset($attr['className']) && $attr['className'] ? preg_replace('/[^A-Za-z0-9_ -]/', '', $attr['className']) : '';
        $attr['align'] = isset($attr['align']) && $attr['align'] ? preg_replace('/[^A-Za-z0-9_ -]/', '', $attr['align']) : '';
        $attr['advanceId'] = isset($attr['advanceId']) ? sanitize_html_class( $attr['advanceId'] ) : '';
        $attr['blockId'] = isset($attr['blockId']) ? sanitize_html_class( $attr['blockId'] ) : '';
        $attr['bcrumbRootText'] = wp_kses($attr['bcrumbRootText'], ultimate_post()->ultp_allowed_html_tags());

        $wrapper_before .= '<div '.( $attr['advanceId'] ? 'id="'.$attr['advanceId'].'" ':'' ).' class="wp-block-ultimate-post-'.$block_name.' ultp-block-'.$attr["blockId"].( $attr["className"] ?' '.$attr["className"]:'' ).''.( $attr["align"] ? ' align' .$attr["align"]:'' ).'">';
            $wrapper_before .= '<div class="ultp-block-wrapper">';
                $content .= '<ul class="ultp-builder-breadcrumb ultp-breadcrumb-'.sanitize_html_class( $attr['bcrumbSeparatorIcon'] ).'">';
                    $seperator = '';
                    if ($attr['bcrumbSeparator']) {
                        $seperator .= '<li class="ultp-breadcrumb-separator"></li>';
                    }
                    $content .= '<li><a href="'.esc_url(home_url('/')).'">'.__( strlen($attr['bcrumbRootText']) > 0 ? $attr['bcrumbRootText'] : 'Home', 'ultimate-post').'</a></li>';
                    if (is_category() || is_single() || is_tag() || is_author()) {
                        if (is_category()) {
                            $cat = get_queried_object();
                            if (isset($cat) && is_object($cat)) {
                                $parents = [];
                                $parent_id = $cat->parent;
                                while ($parent_id) {
                                    $parent = get_category($parent_id);
                                    if ($parent && $parent->term_id != 0) {
                                        array_unshift($parents, $parent); // Add to the beginning
                                        $parent_id = $parent->parent;
                                    } else {
                                        break;
                                    }
                                }
                                foreach ($parents as $parent_cat) {
                                    $content .= $separator.'<li><a href="'.esc_url(get_term_link($parent_cat->term_id, 'category')).'">'.esc_html($parent_cat->name).'</a></li>';
                                }
                            }
                            $content .= $separator.'<li>'.single_cat_title('', false).'</li>';
                        }
                        if (is_tag()) {
                            $content .= $seperator.'<li>'.single_tag_title('', false).'</li>';
                        }
                        if (is_author()) {
                            $content .= $seperator.'<li>'.get_the_author_meta('display_name', false).'</li>';
                        }
                        if (is_single()) {
                            $cat = get_the_category();
                            if (isset($cat[0])) {
                                $content .= $seperator.'<li><a href="'.get_term_link($cat[0]->term_id).'">'.$cat[0]->name.'</a></li>';
                            }
                            if ($attr['bcrumbName']) {
                                $content .= $seperator.'<li>'.get_the_title().'</li>';
                            }
                        }
                    } elseif (is_page()) {
                        if ($post->post_parent) {
                            $ancestor = get_post_ancestors($post->post_parent);
                            if (isset($ancestor[0])) {
                                $content = $seperator.'<li><a href="'.get_permalink($ancestor[0]).'">'.get_the_title($ancestor[0]).'</a></li>';
                            }
                        }
                        if ($attr['bcrumbName']) {
                            $content .= $seperator.'<li>'.get_the_title().'</li>';
                        }
                    } elseif (is_search()) {
                        $content .= $seperator.'<li>'.get_search_query().'</li>';
                    }
                $content .= '</ul>';
            $wrapper_after .= '</div>';
        $wrapper_after .= '</div>';

        return $wrapper_before.$content.$wrapper_after;
    }
}