<?php
/**
 * Plugin Name: Ledak
 * Version: 2.0.6
 * Description: Konsolidasi Schema JSON-LD dengan Rank Math tanpa output ganda.
 */

if (!defined('ABSPATH')) {
    exit;
}

/* =========================
 * Helpers: text, URL, site context
 * ========================= */
function ledak88_clean_text($value): string {
    $value = html_entity_decode((string) $value, ENT_QUOTES | ENT_HTML5, 'UTF-8');
    return trim(preg_replace('/\s+/u', ' ', wp_strip_all_tags($value)));
}

function ledak88_get_verified_same_as(): array {
    $raw = get_option('seo_same_as', []);

    if (is_string($raw)) {
        $raw = preg_split('/\r\n|\r|\n|,/', $raw);
    }

    if (!is_array($raw)) {
        return [];
    }

    $urls = [];

    foreach ($raw as $url) {
        $url = esc_url_raw(trim((string) $url));

        if (
            $url &&
            filter_var($url, FILTER_VALIDATE_URL) &&
            wp_parse_url($url, PHP_URL_SCHEME) === 'https'
        ) {
            $urls[] = $url;
        }
    }

    return array_values(array_unique($urls));
}

function ledak88_build_address(array $contact_info): array {
    $address = [
        '@type' => 'PostalAddress',
        'addressCountry' => 'ID',
    ];

    if (!empty($contact_info['streetAddress'])) {
        $address['streetAddress'] = ledak88_clean_text($contact_info['streetAddress']);
    }

    if (!empty($contact_info['addressLocality'])) {
        $address['addressLocality'] = ledak88_clean_text($contact_info['addressLocality']);
    }

    if (!empty($contact_info['postalCode'])) {
        $address['postalCode'] = preg_replace(
            '/[^0-9]/',
            '',
            (string) $contact_info['postalCode']
        );
    }

    // Do not publish an invented or incomplete address.
    if (count($address) <= 1) {
        return [];
    }

    return $address;
}

function ledak88_clean_schema_value($value) {
    if (!is_array($value)) {
        return $value;
    }

    foreach ($value as $key => $item) {
        $value[$key] = ledak88_clean_schema_value($item);

        if (
            $value[$key] === '' ||
            $value[$key] === null ||
            $value[$key] === []
        ) {
            unset($value[$key]);
        }
    }

    return $value;
}

function ledak88_get_context(): array {
    $brand_name = sanitize_text_field(
        get_option('seo_brand_name', '')
    );

    if ($brand_name === '') {
        $brand_name = get_bloginfo('name');
    }

    $meta_keywords = sanitize_text_field(
        get_option('seo_meta_keywords', '')
    );

    $meta_description = wp_strip_all_tags(
        get_option('seo_meta_description', ''),
        true
    );

    if ($meta_description === '') {
        $meta_description = get_bloginfo('description');
    }

    $register_url_opt = (string) get_option(
        'register_url',
        '/register'
    );

    $brand_url = home_url('/');
    $brand_base_url = untrailingslashit($brand_url);

    // Custom Logo (dynamic)
    $logo_id = (int) get_theme_mod('custom_logo');
    $logo_url = '';
    $logo_w = 0;
    $logo_h = 0;

    if ($logo_id) {
        $img = wp_get_attachment_image_src($logo_id, 'full');

        if ($img) {
            $logo_url = esc_url_raw($img[0]);
            $logo_w = (int) $img[1];
            $logo_h = (int) $img[2];
        }
    }

    if (!$logo_url) {
        $fallback = get_site_icon_url(512);

        if ($fallback) {
            $logo_url = esc_url_raw($fallback);
            $logo_w = 512;
            $logo_h = 512;
        } else {
            $logo_url = $brand_url .
                'wp-content/uploads/2025/09/Slot-8-16-2025-1-300x300.png';

            $logo_w = 1023;
            $logo_h = 270;
        }
    }

    // Primary image dari Rank Math OpenGraph.
    $primary_img = '';
    $primary_img_w = 0;
    $primary_img_h = 0;

    $front_id = (int) get_option('page_on_front');

    if (!$front_id && is_front_page()) {
        $front_id = (int) get_queried_object_id();
    }

    if ($front_id) {
        $rm_og_id = (int) get_post_meta(
            $front_id,
            'rank_math_facebook_image_id',
            true
        );

        $rm_og_url = (string) get_post_meta(
            $front_id,
            'rank_math_facebook_image',
            true
        );

        if ($rm_og_id) {
            $img = wp_get_attachment_image_src($rm_og_id, 'full');

            if ($img) {
                $primary_img = esc_url_raw($img[0]);
                $primary_img_w = (int) $img[1];
                $primary_img_h = (int) $img[2];
            }
        } elseif (
            $rm_og_url &&
            filter_var($rm_og_url, FILTER_VALIDATE_URL)
        ) {
            $primary_img = esc_url_raw($rm_og_url);
        }
    }

    if (!$primary_img) {
        $rm_titles = get_option('rank-math-options-titles');

        if (is_array($rm_titles)) {
            foreach (
                [
                    'homepage_facebook_image_id',
                    'home_facebook_image_id',
                    'facebook_image_id',
                    'open_graph_image_id',
                ] as $key
            ) {
                if (!empty($rm_titles[$key])) {
                    $img = wp_get_attachment_image_src(
                        (int) $rm_titles[$key],
                        'full'
                    );

                    if ($img) {
                        $primary_img = esc_url_raw($img[0]);
                        $primary_img_w = (int) $img[1];
                        $primary_img_h = (int) $img[2];
                        break;
                    }
                }
            }

            if (!$primary_img) {
                foreach (
                    [
                        'homepage_facebook_image',
                        'home_facebook_image',
                        'facebook_image',
                        'open_graph_image',
                    ] as $key
                ) {
                    if (
                        !empty($rm_titles[$key]) &&
                        filter_var(
                            $rm_titles[$key],
                            FILTER_VALIDATE_URL
                        )
                    ) {
                        $primary_img = esc_url_raw($rm_titles[$key]);
                        break;
                    }
                }
            }
        }
    }

    if (!$primary_img && $front_id) {
        $thumb_id = get_post_thumbnail_id($front_id);

        if ($thumb_id) {
            $img = wp_get_attachment_image_src($thumb_id, 'full');

            if ($img) {
                $primary_img = esc_url_raw($img[0]);
                $primary_img_w = (int) $img[1];
                $primary_img_h = (int) $img[2];
            }
        }
    }

    if (!$primary_img) {
        $site_icon = get_site_icon_url(512);

        if ($site_icon) {
            $primary_img = esc_url_raw($site_icon);
            $primary_img_w = 512;
            $primary_img_h = 512;
        } else {
            $primary_img = $brand_url .
                'wp-content/uploads/2025/02/situs_utama.png';
        }
    }

    $register_url = (
        strpos($register_url_opt, 'http') === 0
    )
        ? esc_url_raw($register_url_opt)
        : esc_url_raw(
            $brand_url . ltrim($register_url_opt, '/')
        );

    $front_title = $front_id
        ? get_the_title($front_id)
        : get_bloginfo('name');

    $document_title = function_exists('wp_get_document_title')
        ? wp_get_document_title()
        : $front_title;

    $seo_headline = ledak88_clean_text(
        $document_title ?: $front_title
    );

    $date_published = '';
    $date_modified = '';

    if ($front_id) {
        $date_published = get_post_time(
            'c',
            true,
            $front_id
        );

        $date_modified = get_post_modified_time(
            'c',
            true,
            $front_id
        );
    }

    return [
        'brand_name' => $brand_name,
        'brand_url' => $brand_base_url,
        'meta_keywords' => $meta_keywords,
        'meta_description' => ledak88_clean_text($meta_description),
        'register_url' => $register_url,
        'logo_url' => esc_url_raw($logo_url),
        'logo_width' => $logo_w,
        'logo_height' => $logo_h,
        'primary_img' => esc_url_raw($primary_img),
        'primary_img_w' => $primary_img_w,
        'primary_img_h' => $primary_img_h,
        'author_img' => esc_url_raw(
            'https://secure.gravatar.com/avatar/' .
            '9bdcf8bde35b2c78188e374ead5d384753db22a1e35d93da48484759ad7f0852' .
            '?s=96&d=wavatar&r=g'
        ),
        'front_title' => ledak88_clean_text($front_title),
        'seo_headline' => $seo_headline,
        'date_published' => $date_published,
        'date_modified' => $date_modified,
    ];
}

/* ==========================================================
 * Preserve original field-normalization helper.
 * ========================================================== */
function ledak88_schema_force_types($value) {
    $to_bool = static function ($value) {
        if (is_bool($value)) {
            return $value;
        }

        if (is_int($value)) {
            return $value === 1;
        }

        if (is_float($value)) {
            return ((int) $value) === 1;
        }

        if (is_string($value)) {
            $value = strtolower(trim($value));

            if (in_array($value, ['true', '1', 'yes'], true)) {
                return true;
            }

            if (in_array($value, ['false', '0', 'no'], true)) {
                return false;
            }
        }

        return (bool) $value;
    };

    $walk = static function ($node) use (&$walk, $to_bool) {
        if (is_array($node)) {
            foreach ($node as $key => $value) {
                if ($key === 'isAccessibleForFree') {
                    $node[$key] = $to_bool($value);
                } else {
                    $node[$key] = $walk($value);
                }
            }
        }

        return $node;
    };

    return $walk($value);
}

function ledak88_image_node(
    string $id,
    string $url,
    int $width = 0,
    int $height = 0,
    string $caption = ''
): array {
    $node = [
        '@type' => 'ImageObject',
        '@id' => $id,
        'url' => esc_url_raw($url),
        'contentUrl' => esc_url_raw($url),
    ];

    if ($width > 0) {
        $node['width'] = $width;
    }

    if ($height > 0) {
        $node['height'] = $height;
    }

    if ($caption !== '') {
        $node['caption'] = ledak88_clean_text($caption);
    }

    return $node;
}

function ledak88_build_organization_node(
    array $context,
    array $contact_info = []
): array {
    $brand = $context['brand_name'];
    $home = $context['brand_url'];
    $same_as = ledak88_get_verified_same_as();
    $contact_points = [];

    // Organization.image is separate from Organization.logo.
    // Use the site's verified primary image.
    $organization_image = [
        '@type' => 'ImageObject',
        'url' => esc_url_raw($context['primary_img']),
        'contentUrl' => esc_url_raw($context['primary_img']),
        'caption' => $brand,
    ];

    if ((int) $context['primary_img_w'] > 0) {
        $organization_image['width'] =
            (int) $context['primary_img_w'];
    }

    if ((int) $context['primary_img_h'] > 0) {
        $organization_image['height'] =
            (int) $context['primary_img_h'];
    }

    if (!empty($contact_info['emails'][0])) {
        $contact_points[] = [
            '@type' => 'ContactPoint',
            'contactType' => 'customer support',
            'email' => sanitize_email(
                $contact_info['emails'][0]
            ),
            'areaServed' => 'ID',
            'availableLanguage' => ['id'],
        ];
    }

    if (!empty($contact_info['phones'][0])) {
        $contact_points[] = [
            '@type' => 'ContactPoint',
            'contactType' => 'customer support',
            'telephone' => preg_replace(
                '/[^0-9+()\-\s]/',
                '',
                (string) $contact_info['phones'][0]
            ),
            'areaServed' => 'ID',
            'availableLanguage' => ['id'],
        ];
    }

    if (!$contact_points) {
        $contact_points[] = [
            '@type' => 'ContactPoint',
            'contactType' => 'customer support',
            'areaServed' => 'ID',
            'availableLanguage' => ['id'],
        ];
    }

    $organization = [
        '@type' => 'Organization',
        '@id' => $home . '/#organization',
        'name' => $brand,
        'url' => $home . '/',
        'logo' => ledak88_image_node(
            $home . '/#logo',
            $context['logo_url'],
            (int) $context['logo_width'],
            (int) $context['logo_height'],
            $brand . ' Logo'
        ),
        'image' => $organization_image,
        'description' => $context['meta_description'],
        'contactPoint' => $contact_points,
        'brand' => [
            '@type' => 'Brand',
            'name' => $brand,
        ],
    ];

    if ($same_as) {
        $organization['sameAs'] = $same_as;
    }

    $address = ledak88_build_address($contact_info);

    if ($address) {
        $organization['address'] = $address;
    }

    if (!empty($contact_info['emails'][0])) {
        $organization['email'] = sanitize_email(
            $contact_info['emails'][0]
        );
    }

    if (!empty($contact_info['phones'][0])) {
        $organization['telephone'] = preg_replace(
            '/[^0-9+()\-\s]/',
            '',
            (string) $contact_info['phones'][0]
        );
    }

    return ledak88_clean_schema_value($organization);
}

/* =========================================
 * Build one consistent homepage @graph.
 * ========================================= */
function ledak88_custom_graph_nodes(): array {
    $context = ledak88_get_context();
    $brand = $context['brand_name'];
    $home = $context['brand_url'];
    $contact_info = ledak88_extract_contact_from_page();

    $primary_image = ledak88_image_node(
        $home . '/#primaryimage',
        $context['primary_img'],
        (int) $context['primary_img_w'],
        (int) $context['primary_img_h'],
        $brand
    );

    $breadcrumb = [
        '@type' => 'BreadcrumbList',
        '@id' => $home . '/#breadcrumb',
        'itemListElement' => [[
            '@type' => 'ListItem',
            'position' => 1,
            'name' => 'Home',
            'item' => $home . '/',
        ]],
    ];

    $website = [
        '@type' => 'WebSite',
        '@id' => $home . '/#website',
        'url' => $home . '/',
        'name' => $brand,
        'description' => $context['meta_description'],
        'publisher' => [
            '@id' => $home . '/#organization',
        ],
    ];

    $webpage = [
        '@type' => 'WebPage',
        '@id' => $home . '/#webpage',
        'url' => $home . '/',
        'name' => $context['seo_headline'] ?: $brand,
        'description' => $context['meta_description'],
        'isPartOf' => [
            '@id' => $home . '/#website',
        ],
        'about' => [
            '@id' => $home . '/#organization',
        ],
        'primaryImageOfPage' => [
            '@id' => $home . '/#primaryimage',
        ],
        'image' => [
            '@id' => $home . '/#primaryimage',
        ],
        'breadcrumb' => [
            '@id' => $home . '/#breadcrumb',
        ],
        'inLanguage' => get_bloginfo('language') ?: 'id-ID',
    ];

    if (!empty($context['date_published'])) {
        $webpage['datePublished'] =
            $context['date_published'];
    }

    if (!empty($context['date_modified'])) {
        $webpage['dateModified'] =
            $context['date_modified'];
    }

    // FAQPage intentionally is not generated here.
    $graph = [
        ledak88_build_organization_node(
            $context,
            $contact_info
        ),
        $website,
        $primary_image,
        $breadcrumb,
        $webpage,
    ];

    return array_map(
        'ledak88_schema_force_types',
        $graph
    );
}

/* =======================================
 * Build @graph for single posts.
 * ======================================= */
function ledak88_post_graph_nodes(int $post_id): array {
    $context = ledak88_get_context();
    $home = $context['brand_url'];
    $brand = $context['brand_name'];
    $post = get_post($post_id);

    if (!$post || $post->post_status !== 'publish') {
        return [];
    }

    $url = get_permalink($post_id);

    if (!$url) {
        return [];
    }

    $title = ledak88_clean_text(
        get_the_title($post_id)
    );

    $desc = has_excerpt($post_id)
        ? ledak88_clean_text(get_the_excerpt($post_id))
        : ledak88_clean_text(
            wp_trim_words(
                wp_strip_all_tags($post->post_content),
                30,
                ''
            )
        );

    if ($desc === '') {
        $desc = $context['meta_description'];
    }

    $date_published = get_post_time(
        'c',
        true,
        $post
    );

    $date_modified = get_post_modified_time(
        'c',
        true,
        $post
    );

    $img_url = '';
    $img_w = 0;
    $img_h = 0;

    $thumb_id = get_post_thumbnail_id($post_id);

    if ($thumb_id) {
        $img = wp_get_attachment_image_src(
            $thumb_id,
            'full'
        );

        if ($img) {
            $img_url = esc_url_raw($img[0]);
            $img_w = (int) $img[1];
            $img_h = (int) $img[2];
        }
    }

    if (!$img_url) {
        $img_url = $context['primary_img'];
        $img_w = (int) $context['primary_img_w'];
        $img_h = (int) $context['primary_img_h'];
    }

    $author_id = (int) $post->post_author;

    $author_name = $author_id
        ? ledak88_clean_text(
            get_the_author_meta(
                'display_name',
                $author_id
            )
        )
        : '';

    if ($author_name === '') {
        $author_name = $brand;
    }

    $author_is_organization =
        strcasecmp($author_name, $brand) === 0;

    $author_node_id = $url . '#author';

    $author_ref = $author_is_organization
        ? ['@id' => $home . '/#organization']
        : ['@id' => $author_node_id];

    $author_node = null;

    if (!$author_is_organization) {
        $author_url = $author_id
            ? get_author_posts_url($author_id)
            : '';

        $author_img = $author_id
            ? get_avatar_url(
                $author_id,
                ['size' => 96]
            )
            : $context['author_img'];

        $author_node = [
            '@type' => 'Person',
            '@id' => $author_node_id,
            'name' => $author_name,
        ];

        if ($author_url) {
            $author_node['url'] =
                esc_url_raw($author_url);
        }

        if ($author_img) {
            $author_node['image'] =
                ledak88_image_node(
                    $author_node_id . '-image',
                    $author_img,
                    96,
                    96,
                    $author_name
                );
        }
    }

    $item_list = [[
        '@type' => 'ListItem',
        'position' => 1,
        'name' => 'Home',
        'item' => $home . '/',
    ]];

    $position = 2;
    $cats = get_the_category($post_id);

    if (!empty($cats) && !is_wp_error($cats)) {
        $cat = $cats[0];
        $cat_link = get_category_link($cat);

        if ($cat_link && !is_wp_error($cat_link)) {
            $item_list[] = [
                '@type' => 'ListItem',
                'position' => $position++,
                'name' => ledak88_clean_text(
                    $cat->name
                ),
                'item' => esc_url_raw($cat_link),
            ];
        }
    }

    $item_list[] = [
        '@type' => 'ListItem',
        'position' => $position,
        'name' => $title,
        'item' => esc_url_raw($url),
    ];

    $breadcrumb = [
        '@type' => 'BreadcrumbList',
        '@id' => $url . '#breadcrumb',
        'itemListElement' => $item_list,
    ];

    $primary_image = ledak88_image_node(
        $url . '#primaryimage',
        $img_url,
        $img_w,
        $img_h,
        $title
    );

    $contact_info = ledak88_extract_contact_from_page();

    $webpage = [
        '@type' => 'WebPage',
        '@id' => $url . '#webpage',
        'url' => esc_url_raw($url),
        'name' => $title,
        'description' => $desc,
        'isPartOf' => [
            '@id' => $home . '/#website',
        ],
        'about' => [
            '@id' => $home . '/#organization',
        ],
        'primaryImageOfPage' => [
            '@id' => $url . '#primaryimage',
        ],
        'image' => [
            '@id' => $url . '#primaryimage',
        ],
        'datePublished' => $date_published,
        'dateModified' => $date_modified,
        'breadcrumb' => [
            '@id' => $url . '#breadcrumb',
        ],
        'inLanguage' => get_bloginfo('language')
            ?: 'id-ID',
    ];

    $article = [
        '@type' => 'BlogPosting',
        '@id' => $url . '#article',
        'headline' => $title,
        'description' => $desc,
        'url' => esc_url_raw($url),
        'mainEntityOfPage' => [
            '@id' => $url . '#webpage',
        ],
        'author' => $author_ref,
        'publisher' => [
            '@id' => $home . '/#organization',
        ],
        'datePublished' => $date_published,
        'dateModified' => $date_modified,
        'inLanguage' => get_bloginfo('language')
            ?: 'id-ID',
        'image' => [
            '@id' => $url . '#primaryimage',
        ],
        'articleSection' => !empty($cats)
            ? ledak88_clean_text($cats[0]->name)
            : 'General',
        'wordCount' => str_word_count(
            wp_strip_all_tags(
                $post->post_content
            )
        ),
    ];

    if ($context['meta_keywords'] !== '') {
        $article['keywords'] =
            $context['meta_keywords'];
    }

    $graph = [
        ledak88_build_organization_node(
            $context,
            $contact_info
        ),
        $primary_image,
        $breadcrumb,
        $webpage,
        $article,
    ];

    if ($author_node) {
        $graph[] = $author_node;
    }

    return array_map(
        function ($node) {
            return ledak88_schema_force_types(
                ledak88_clean_schema_value($node)
            );
        },
        $graph
    );
}

/* =======================================
 * Build @graph for regular Pages.
 * ======================================= */
function ledak88_page_graph_nodes(int $page_id): array {
    $context = ledak88_get_context();
    $home = $context['brand_url'];
    $page = get_post($page_id);

    if (!$page || $page->post_status !== 'publish') {
        return [];
    }

    $url = get_permalink($page_id);

    if (!$url) {
        return [];
    }

    $title = ledak88_clean_text(
        get_the_title($page_id)
    );

    $desc = has_excerpt($page_id)
        ? ledak88_clean_text(get_the_excerpt($page_id))
        : ledak88_clean_text(
            wp_trim_words(
                wp_strip_all_tags($page->post_content),
                30,
                ''
            )
        );

    if ($desc === '') {
        $desc = $context['meta_description'];
    }

    $img_url = $context['primary_img'];
    $img_w = (int) $context['primary_img_w'];
    $img_h = (int) $context['primary_img_h'];

    $thumb_id = get_post_thumbnail_id($page_id);

    if ($thumb_id) {
        $img = wp_get_attachment_image_src(
            $thumb_id,
            'full'
        );

        if ($img) {
            $img_url = esc_url_raw($img[0]);
            $img_w = (int) $img[1];
            $img_h = (int) $img[2];
        }
    }

    $breadcrumb = [
        '@type' => 'BreadcrumbList',
        '@id' => $url . '#breadcrumb',
        'itemListElement' => [
            [
                '@type' => 'ListItem',
                'position' => 1,
                'name' => 'Home',
                'item' => $home . '/',
            ],
            [
                '@type' => 'ListItem',
                'position' => 2,
                'name' => $title,
                'item' => esc_url_raw($url),
            ],
        ],
    ];

    $webpage = [
        '@type' => 'WebPage',
        '@id' => $url . '#webpage',
        'url' => esc_url_raw($url),
        'name' => $title,
        'description' => $desc,
        'isPartOf' => [
            '@id' => $home . '/#website',
        ],
        'about' => [
            '@id' => $home . '/#organization',
        ],
        'primaryImageOfPage' => [
            '@id' => $url . '#primaryimage',
        ],
        'image' => [
            '@id' => $url . '#primaryimage',
        ],
        'breadcrumb' => [
            '@id' => $url . '#breadcrumb',
        ],
        'datePublished' => get_post_time(
            'c',
            true,
            $page
        ),
        'dateModified' => get_post_modified_time(
            'c',
            true,
            $page
        ),
        'inLanguage' => get_bloginfo('language')
            ?: 'id-ID',
        'publisher' => [
            '@id' => $home . '/#organization',
        ],
    ];

    $graph = [
        ledak88_build_organization_node(
            $context,
            ledak88_extract_contact_from_page()
        ),
        ledak88_image_node(
            $url . '#primaryimage',
            $img_url,
            $img_w,
            $img_h,
            $title
        ),
        $breadcrumb,
        $webpage,
    ];

    return array_map(
        function ($node) {
            return ledak88_schema_force_types(
                ledak88_clean_schema_value($node)
            );
        },
        $graph
    );
}

/* =====================================================
 * Contact extraction.
 * ===================================================== */
function ledak88_parse_rankmath_contact(): array {
    $raw = get_option(
        'rank_math_contact_info',
        ''
    );

    $out = [
        'emails' => [],
        'phones' => [],
        'address' => '',
        'hours' => [],
    ];

    $arr = [];

    if (is_array($raw)) {
        $arr = $raw;
    } else {
        $lines = preg_split(
            '/\r\n|\r|\n/',
            (string) $raw
        );

        foreach ($lines as $line) {
            if (strpos($line, ':') !== false) {
                [$key, $value] = array_map(
                    'trim',
                    explode(':', $line, 2)
                );

                if ($key !== '') {
                    $arr[strtolower($key)] = $value;
                }
            }
        }
    }

    foreach ($arr as $key => $value) {
        $key = strtolower((string) $key);
        $value = trim((string) $value);

        if ($value === '') {
            continue;
        }

        if (strpos($key, 'email') !== false) {
            $mail = sanitize_email($value);

            if ($mail) {
                $out['emails'][] = $mail;
            }
        } elseif (
            strpos($key, 'wa') !== false ||
            strpos($key, 'tel') === 0 ||
            strpos($key, 'phone') !== false ||
            strpos($key, 'telepon') !== false
        ) {
            $out['phones'][] = preg_replace(
                '/[^0-9+()\-\s]/',
                '',
                $value
            );
        } elseif (
            strpos($key, 'alamat') !== false ||
            strpos($key, 'address') !== false
        ) {
            $out['address'] = $value;
        } elseif (
            strpos($key, 'jam') !== false ||
            strpos($key, 'hour') !== false
        ) {
            $out['hours'][] = $value;
        }
    }

    $out['emails'] = array_values(
        array_filter(
            array_unique($out['emails'])
        )
    );

    $out['phones'] = array_values(
        array_filter(
            array_unique($out['phones'])
        )
    );

    $out['hours'] = array_values(
        array_filter(
            array_unique($out['hours'])
        )
    );

    return $out;
}

function ledak88_extract_contact_from_page(): array {
    $page = get_page_by_path('kontak-kami');

    $contact_info = [
        'emails' => [],
        'phones' => [],
        'streetAddress' => '',
        'addressLocality' => '',
        'postalCode' => '',
        'address' => '',
        'hours' => [],
    ];

    if ($page && !empty($page->post_content)) {
        $html = (string) $page->post_content;

        $plain = preg_replace(
            '/<br\s*\/?>/i',
            "\n",
            $html
        );

        $plain = preg_replace(
            '/<\/(p|div|li|h[1-6])\s*>/i',
            "\n",
            $plain
        );

        $stripped = wp_strip_all_tags($plain);

        preg_match_all(
            '/[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}/',
            $stripped,
            $email_matches
        );

        foreach (($email_matches[0] ?? []) as $email) {
            $email = sanitize_email($email);

            if ($email) {
                $contact_info['emails'][] = $email;
            }
        }

        preg_match_all(
            '/(?:\+?62|0)[\d\-()\s]{8,16}/',
            $stripped,
            $phone_matches
        );

        foreach (($phone_matches[0] ?? []) as $phone) {
            $phone = preg_replace(
                '/[^0-9+()\-\s]/',
                '',
                $phone
            );

            if ($phone) {
                $contact_info['phones'][] = $phone;
            }
        }

        $lines = array_values(
            array_filter(
                array_map(
                    'trim',
                    preg_split(
                        '/\r\n|\r|\n/',
                        $stripped
                    )
                )
            )
        );

        foreach ($lines as $line) {
            if (
                $contact_info['streetAddress'] === '' &&
                preg_match(
                    '/^(Jl\.?|Jalan|Street|St\.?)[^,]*/i',
                    $line,
                    $match
                )
            ) {
                $contact_info['streetAddress'] =
                    trim($match[0]);
            }

            if (
                $contact_info['addressLocality'] === '' &&
                preg_match(
                    '/\b(Jakarta(?:\s+(?:Pusat|Selatan|Barat|Timur|Utara))?|Bandung|Surabaya|Medan|Semarang|Yogyakarta|Denpasar|Makassar|Palembang|Balikpapan)\b/i',
                    $line,
                    $match
                )
            ) {
                $contact_info['addressLocality'] =
                    trim($match[1]);
            }

            if (
                $contact_info['postalCode'] === '' &&
                preg_match(
                    '/\b(\d{5})\b/',
                    $line,
                    $match
                )
            ) {
                $contact_info['postalCode'] =
                    $match[1];
            }

            if (
                preg_match(
                    '/^(Jam|Hours|Buka|Open|Senin|Selasa|Rabu|Kamis|Jumat|Sabtu|Minggu)/i',
                    $line
                )
            ) {
                $contact_info['hours'][] = $line;
            }
        }

        if (
            $contact_info['streetAddress'] !== '' ||
            $contact_info['addressLocality'] !== ''
        ) {
            $parts = array_filter([
                $contact_info['streetAddress'],
                $contact_info['addressLocality'],
                $contact_info['postalCode'],
            ]);

            $contact_info['address'] =
                implode(', ', $parts);
        }
    }

    $rankmath_contact =
        ledak88_parse_rankmath_contact();

    if (
        !$contact_info['emails'] &&
        $rankmath_contact['emails']
    ) {
        $contact_info['emails'] =
            $rankmath_contact['emails'];
    }

    if (
        !$contact_info['phones'] &&
        $rankmath_contact['phones']
    ) {
        $contact_info['phones'] =
            $rankmath_contact['phones'];
    }

    if (
        !$contact_info['address'] &&
        $rankmath_contact['address']
    ) {
        $contact_info['address'] =
            $rankmath_contact['address'];
    }

    if (
        !$contact_info['hours'] &&
        $rankmath_contact['hours']
    ) {
        $contact_info['hours'] =
            $rankmath_contact['hours'];
    }

    if (
        !$contact_info['postalCode'] &&
        !empty($rankmath_contact['address']) &&
        preg_match(
            '/\b(\d{5})\b/',
            $rankmath_contact['address'],
            $match
        )
    ) {
        $contact_info['postalCode'] =
            $match[1];
    }

    $contact_info['emails'] = array_values(
        array_unique(
            array_filter($contact_info['emails'])
        )
    );

    $contact_info['phones'] = array_values(
        array_unique(
            array_filter($contact_info['phones'])
        )
    );

    $contact_info['hours'] = array_values(
        array_unique(
            array_filter($contact_info['hours'])
        )
    );

    return $contact_info;
}

function ledak88_about_graph_nodes(): array {
    $context = ledak88_get_context();
    $home = $context['brand_url'];
    $url = home_url('/tentang-kami/');
    $page = get_page_by_path('tentang-kami');

    $description = $context['meta_description'];
    $date_modified = '';

    if ($page) {
        $description = has_excerpt($page->ID)
            ? ledak88_clean_text(
                get_the_excerpt($page->ID)
            )
            : ledak88_clean_text(
                wp_trim_words(
                    wp_strip_all_tags(
                        $page->post_content
                    ),
                    30,
                    ''
                )
            );

        $date_modified = get_post_modified_time(
            'c',
            true,
            $page
        );
    }

    $graph = [
        ledak88_build_organization_node(
            $context,
            ledak88_extract_contact_from_page()
        ),

        ledak88_image_node(
            $url . '#primaryimage',
            $context['primary_img'],
            (int) $context['primary_img_w'],
            (int) $context['primary_img_h'],
            $context['brand_name']
        ),

        [
            '@type' => 'BreadcrumbList',
            '@id' => $url . '#breadcrumb',
            'itemListElement' => [
                [
                    '@type' => 'ListItem',
                    'position' => 1,
                    'name' => 'Home',
                    'item' => $home . '/',
                ],
                [
                    '@type' => 'ListItem',
                    'position' => 2,
                    'name' => 'Tentang Kami',
                    'item' => esc_url_raw($url),
                ],
            ],
        ],

        [
            '@type' => [
                'AboutPage',
                'WebPage',
            ],
            '@id' => $url . '#webpage',
            'url' => esc_url_raw($url),
            'name' => 'Tentang ' .
                $context['brand_name'],
            'description' => $description,
            'isPartOf' => [
                '@id' => $home . '/#website',
            ],
            'about' => [
                '@id' => $home . '/#organization',
            ],
            'primaryImageOfPage' => [
                '@id' => $url . '#primaryimage',
            ],
            'image' => [
                '@id' => $url . '#primaryimage',
            ],
            'breadcrumb' => [
                '@id' => $url . '#breadcrumb',
            ],
            'publisher' => [
                '@id' => $home . '/#organization',
            ],
            'inLanguage' => get_bloginfo('language')
                ?: 'id-ID',
        ],
    ];

    if ($date_modified) {
        $graph[3]['dateModified'] =
            $date_modified;
    }

    return array_map(
        function ($node) {
            return ledak88_schema_force_types(
                ledak88_clean_schema_value($node)
            );
        },
        $graph
    );
}

function ledak88_contact_graph_nodes(): array {
    $context = ledak88_get_context();
    $home = $context['brand_url'];
    $url = home_url('/kontak-kami/');
    $page = get_page_by_path('kontak-kami');

    $contact_info =
        ledak88_extract_contact_from_page();

    $description =
        'Hubungi ' .
        $context['brand_name'] .
        ' untuk dukungan dan pertanyaan.';

    $date_modified = '';

    if ($page) {
        $description = has_excerpt($page->ID)
            ? ledak88_clean_text(
                get_the_excerpt($page->ID)
            )
            : ledak88_clean_text(
                wp_trim_words(
                    wp_strip_all_tags(
                        $page->post_content
                    ),
                    30,
                    ''
                )
            );

        $date_modified = get_post_modified_time(
            'c',
            true,
            $page
        );
    }

    $graph = [
        ledak88_build_organization_node(
            $context,
            $contact_info
        ),

        ledak88_image_node(
            $url . '#primaryimage',
            $context['primary_img'],
            (int) $context['primary_img_w'],
            (int) $context['primary_img_h'],
            $context['brand_name']
        ),

        [
            '@type' => 'BreadcrumbList',
            '@id' => $url . '#breadcrumb',
            'itemListElement' => [
                [
                    '@type' => 'ListItem',
                    'position' => 1,
                    'name' => 'Home',
                    'item' => $home . '/',
                ],
                [
                    '@type' => 'ListItem',
                    'position' => 2,
                    'name' => 'Kontak Kami',
                    'item' => esc_url_raw($url),
                ],
            ],
        ],

        [
            '@type' => [
                'ContactPage',
                'WebPage',
            ],
            '@id' => $url . '#webpage',
            'url' => esc_url_raw($url),
            'name' => 'Kontak ' .
                $context['brand_name'],
            'description' => $description,
            'isPartOf' => [
                '@id' => $home . '/#website',
            ],
            'about' => [
                '@id' => $home . '/#organization',
            ],
            'mainEntity' => [
                '@id' => $home . '/#organization',
            ],
            'primaryImageOfPage' => [
                '@id' => $url . '#primaryimage',
            ],
            'image' => [
                '@id' => $url . '#primaryimage',
            ],
            'breadcrumb' => [
                '@id' => $url . '#breadcrumb',
            ],
            'publisher' => [
                '@id' => $home . '/#organization',
            ],
            'inLanguage' => get_bloginfo('language')
                ?: 'id-ID',
        ],
    ];

    if ($date_modified) {
        $graph[3]['dateModified'] =
            $date_modified;
    }

    return array_map(
        function ($node) {
            return ledak88_schema_force_types(
                ledak88_clean_schema_value($node)
            );
        },
        $graph
    );
}

/* =====================================================
 * Rank Math integration.
 * ===================================================== */
function ledak88_schema_node_types($node): array {
    if (!is_array($node) || empty($node['@type'])) {
        return [];
    }

    $types = is_array($node['@type'])
        ? $node['@type']
        : [$node['@type']];

    return array_values(
        array_filter(
            array_map('strval', $types)
        )
    );
}

function ledak88_schema_remove_conflicts(
    array $data,
    array $conflicts
): array {
    $wrapped = isset($data['@graph']) &&
        is_array($data['@graph']);

    $nodes = $wrapped
        ? $data['@graph']
        : $data;

    foreach ($nodes as $key => $node) {
        if (!is_array($node)) {
            continue;
        }

        if (
            array_intersect(
                ledak88_schema_node_types($node),
                $conflicts
            )
        ) {
            unset($nodes[$key]);
        }
    }

    if ($wrapped) {
        $data['@graph'] = $nodes;
        return $data;
    }

    return $nodes;
}

function ledak88_schema_add_custom_graph(
    array $data,
    array $custom_graph
): array {
    $wrapped = isset($data['@graph']) &&
        is_array($data['@graph']);

    $nodes = $wrapped
        ? $data['@graph']
        : $data;

    foreach ($custom_graph as $index => $node) {
        if (!is_array($node)) {
            continue;
        }

        $types = ledak88_schema_node_types($node);

        $key = !empty($types)
            ? $types[0]
            : 'CustomNode';

        if (isset($nodes[$key])) {
            $key .= '_' . $index;
        }

        $nodes[$key] = $node;
    }

    if ($wrapped) {
        $data['@graph'] = $nodes;
        return $data;
    }

    return $nodes;
}

function ledak88_rank_math_custom_schema_filter(
    $data,
    $jsonld = null
) {
    if (!is_array($data)) {
        return $data;
    }

    if (is_front_page()) {
        $conflicts = [
            'WebPage',
            'WebSite',
            'Organization',
            'BreadcrumbList',
            'ImageObject',
            'Article',
            'BlogPosting',
            'NewsArticle',
            'News',
            'LiveBlogPosting',
            'FAQPage',
            'Person',
            'Question',
            'Answer',
            'ItemList',
            'Product',
            'Blog',
            'CollectionPage',
            'SearchAction',
        ];

        $data = ledak88_schema_remove_conflicts(
            $data,
            $conflicts
        );

        return ledak88_schema_add_custom_graph(
            $data,
            ledak88_custom_graph_nodes()
        );
    }

    if (is_singular('post')) {
        $conflicts = [
            'WebPage',
            'BreadcrumbList',
            'ImageObject',
            'Article',
            'BlogPosting',
            'NewsArticle',
            'News',
            'LiveBlogPosting',
            'Person',
            'Organization',
            'ProfilePage',
            'SpeakableSpecification',
        ];

        $data = ledak88_schema_remove_conflicts(
            $data,
            $conflicts
        );

        $graph = ledak88_post_graph_nodes(
            (int) get_queried_object_id()
        );

        return $graph
            ? ledak88_schema_add_custom_graph(
                $data,
                $graph
            )
            : $data;
    }

    if (is_page('tentang-kami')) {
        $conflicts = [
            'WebPage',
            'AboutPage',
            'BreadcrumbList',
            'ImageObject',
            'Organization',
            'FAQPage',
            'ContactPoint',
            'Person',
            'Article',
            'BlogPosting',
            'NewsArticle',
            'News',
            'LiveBlogPosting',
        ];

        $data = ledak88_schema_remove_conflicts(
            $data,
            $conflicts
        );

        return ledak88_schema_add_custom_graph(
            $data,
            ledak88_about_graph_nodes()
        );
    }

    if (is_page('kontak-kami')) {
        $conflicts = [
            'WebPage',
            'ContactPage',
            'BreadcrumbList',
            'ImageObject',
            'Organization',
            'ContactPoint',
            'Person',
            'Article',
            'BlogPosting',
            'NewsArticle',
            'News',
            'LiveBlogPosting',
        ];

        $data = ledak88_schema_remove_conflicts(
            $data,
            $conflicts
        );

        return ledak88_schema_add_custom_graph(
            $data,
            ledak88_contact_graph_nodes()
        );
    }

    if (is_page()) {
        $conflicts = [
            'WebPage',
            'BreadcrumbList',
            'ImageObject',
            'Organization',
            'Person',
            'Article',
            'BlogPosting',
            'NewsArticle',
            'News',
            'LiveBlogPosting',
            'FAQPage',
            'Question',
            'Answer',
        ];

        $data = ledak88_schema_remove_conflicts(
            $data,
            $conflicts
        );

        $graph = ledak88_page_graph_nodes(
            (int) get_queried_object_id()
        );

        return $graph
            ? ledak88_schema_add_custom_graph(
                $data,
                $graph
            )
            : $data;
    }

    return $data;
}

// Rank Math filter for modifying JSON-LD data.
add_filter(
    'rank_math/json_ld',
    'ledak88_rank_math_custom_schema_filter',
    99,
    2
);

// Disable unnecessary SearchAction output.
add_filter(
    'rank_math/json_ld/disable_search',
    '__return_true'
);

/* =====================================================
 * Fallback when Rank Math is not active.
 * ===================================================== */
add_action('wp_head', function () {
    if (
        defined('RANK_MATH_VERSION') ||
        class_exists('RankMath')
    ) {
        return;
    }

    $graph = [];

    if (is_front_page()) {
        $graph = ledak88_custom_graph_nodes();
    } elseif (is_singular('post')) {
        $graph = ledak88_post_graph_nodes(
            (int) get_queried_object_id()
        );
    } elseif (is_page('tentang-kami')) {
        $graph = ledak88_about_graph_nodes();
    } elseif (is_page('kontak-kami')) {
        $graph = ledak88_contact_graph_nodes();
    } elseif (is_page()) {
        $graph = ledak88_page_graph_nodes(
            (int) get_queried_object_id()
        );
    }

    if (!$graph) {
        return;
    }

    $payload = [
        '@context' => 'https://schema.org',
        '@graph' => array_map(
            function ($node) {
                return ledak88_schema_force_types(
                    ledak88_clean_schema_value($node)
                );
            },
            $graph
        ),
    ];

    echo "\n<script type=\"application/ld+json\">";
    echo wp_json_encode(
        $payload,
        JSON_UNESCAPED_SLASHES |
        JSON_UNESCAPED_UNICODE
    );
    echo "</script>\n";
}, 99);