<?php
/**
 * Compatibility with other plugins:
 * - Multilingual plugins (WPML, Polylang). WPML also reads wpml-config.xml.
 * - Page builders (Elementor, Divi, WPBakery, Beaver Builder, Bricks …).
 */

if (!defined('ABSPATH')) {
    exit;
}

/* ------------------------------------------------------------------
 * Multilingual
 * ---------------------------------------------------------------- */

/**
 * The same case study in the language being viewed (WPML / Polylang),
 * so chosen case studies in blocks and shortcodes follow the page language.
 */
function sahcs_localize_id($id) {
    $id = (int) $id;
    if (!$id) {
        return 0;
    }
    $translated = apply_filters('wpml_object_id', $id, SAHCS_CPT, true); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- WPML's documented filter
    if ($translated) {
        $id = (int) $translated;
    }
    if (function_exists('pll_get_post')) {
        $pll = pll_get_post($id);
        if ($pll) {
            $id = (int) $pll;
        }
    }
    return $id;
}

/** Texts from Settings that visitors see and that can be translated. */
function sahcs_translatable_settings() {
    return [
        'archive_title' => false,
        'archive_intro' => true,
        'toc_title'     => false,
        'author_label'  => false,
        'cta_heading'   => false,
        'cta_text'      => true,
        'cta_button'    => false,
        'cta_url'       => false,
    ];
}

// Polylang: list the texts in Languages → Translations.
// (WPML finds them through wpml-config.xml.)
add_action('admin_init', function () {
    if (!function_exists('pll_register_string')) {
        return;
    }
    $saved = get_option('sahcs_settings', []);
    foreach (sahcs_translatable_settings() as $key => $multiline) {
        if (!empty($saved[$key]) && is_string($saved[$key])) {
            pll_register_string('sahcs_' . $key, $saved[$key], 'SiteAuditHub Case Studies', $multiline);
        }
    }
});

/** Polylang: the visitor sees the translated Settings texts. */
function sahcs_translate_settings($settings) {
    if (!function_exists('pll__') || (is_admin() && !wp_doing_ajax())) {
        return $settings;
    }
    foreach (array_keys(sahcs_translatable_settings()) as $key) {
        if (!empty($settings[$key]) && is_string($settings[$key])) {
            $settings[$key] = pll__($settings[$key]);
        }
    }
    return $settings;
}

/* ------------------------------------------------------------------
 * Page builders
 * ---------------------------------------------------------------- */

/**
 * True when a case study was designed with a page builder or uses a special
 * page template (e.g. Elementor Canvas / Full Width). SiteAuditHub Case Studies then
 * leaves the page alone so the builder's design shows exactly as made.
 */
function sahcs_uses_page_builder($post = null) {
    $post = get_post($post);
    if (!$post) {
        return false;
    }
    $id = $post->ID;
    $builder = false;
    if (get_post_meta($id, '_elementor_edit_mode', true) === 'builder') {
        $builder = true;                                   // Elementor
    } elseif (get_post_meta($id, '_et_pb_use_builder', true) === 'on') {
        $builder = true;                                   // Divi
    } elseif (get_post_meta($id, '_wpb_vc_js_status', true) === 'true') {
        $builder = true;                                   // WPBakery
    } elseif (get_post_meta($id, '_fl_builder_enabled', true)) {
        $builder = true;                                   // Beaver Builder
    } elseif (get_post_meta($id, '_bricks_editor_mode', true) === 'bricks') {
        $builder = true;                                   // Bricks
    } elseif (get_post_meta($id, 'ct_builder_shortcodes', true) || get_post_meta($id, '_ct_builder_json', true)) {
        $builder = true;                                   // Oxygen
    } elseif (get_post_meta($id, 'brizy_post_uid', true) && get_post_meta($id, 'brizy_enabled', true)) {
        $builder = true;                                   // Brizy
    } else {
        $template = get_page_template_slug($post);
        if ($template !== '' && $template !== 'default') {
            $builder = true;                               // a page template chosen in the editor
        }
    }
    /** Lets developers decide for their own builder or template. */
    return (bool) apply_filters('sahcs_uses_page_builder', $builder, $post);
}