<?php
declare(strict_types=1);

/**
 * ROI Theme - Clean Architecture Bootstrap
 *
 * Este archivo es el punto de entrada del tema.
 * Solo contiene bootstrap (carga del autoloader e inicialización del DI Container).
 * TODO el código de lógica de negocio está en admin/, public/, shared/
 *
 * @package ROITheme
 * @version 1.0.0
 */

// Prevenir acceso directo
if (!defined('ABSPATH')) {
    exit;
}

// Definir constante de versión del tema
define('ROI_VERSION', '1.0.20');

// =============================================================================
// 1. CARGAR AUTOLOADER MANUAL
// =============================================================================

// IMPORTANTE: Cargar functions-addon.php PRIMERO para registrar el autoloader
// que permite cargar clases de ROITheme automáticamente
require_once __DIR__ . '/functions-addon.php';

// =============================================================================
// 2. CARGAR ARCHIVOS DE INC/ (ANTES DE LA CONFIGURACIÓN)
// =============================================================================

// IMPORTANTE: Cargar archivos inc/ ANTES del DI Container
// para que los estilos y scripts se registren correctamente

require_once get_template_directory() . '/Inc/sanitize-functions.php';
// ELIMINADO: Inc/theme-options-helpers.php (FASE 6 - Clean Architecture)
require_once get_template_directory() . '/Inc/nav-walker.php';
require_once get_template_directory() . '/Inc/enqueue-scripts.php';
// ELIMINADO: Inc/customizer-fonts.php (FASE 6 - Clean Architecture)
require_once get_template_directory() . '/Inc/seo.php';
require_once get_template_directory() . '/Inc/performance.php';
// ELIMINADO: Inc/critical-css.php (CSS crítico ahora viene de CriticalCSSService.php)
require_once get_template_directory() . '/Inc/image-optimization.php';
require_once get_template_directory() . '/Inc/template-functions.php';
require_once get_template_directory() . '/Inc/template-tags.php';
require_once get_template_directory() . '/Inc/featured-image.php';
require_once get_template_directory() . '/Inc/category-badge.php';
require_once get_template_directory() . '/Inc/adsense-delay.php';
require_once get_template_directory() . '/Inc/adsense-placement.php';
// ELIMINADO: Inc/related-posts.php (Plan 101 - usa RelatedPostRenderer)
// ELIMINADO: Inc/toc.php (FASE 6 - Clean Architecture: usa TableOfContentsRenderer)
require_once get_template_directory() . '/Inc/apu-tables.php';
require_once get_template_directory() . '/Inc/search-disable.php';
require_once get_template_directory() . '/Inc/comments-disable.php';
require_once get_template_directory() . '/Inc/social-share.php';

// =============================================================================
// 3. INICIALIZAR DI CONTAINER (Clean Architecture)
// =============================================================================

use ROITheme\Shared\Infrastructure\Di\DIContainer;

// Declarar $container como global para que esté disponible en Inc/*.php
global $container;

try {
    global $wpdb;

    // Path a los schemas
    $schemas_path = get_template_directory() . '/schemas';

    // Crear instancia del DI Container con dependencias
    $container = new DIContainer($wpdb, $schemas_path);

    // TODO: Inicializar controladores cuando estén implementados (Fase 5+)
    // $ajaxController = $container->getAjaxController();

} catch (\Throwable $e) {
    // Manejar errores de inicialización (no crítico, solo log)
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('ROI Theme: Failed to initialize DI Container: ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine());
    }
    // NO hacer return - permitir que el tema continúe funcionando
    $container = null;
}

// =============================================================================
// 3.1. INICIALIZAR PANEL DE ADMINISTRACIÓN (Clean Architecture)
// =============================================================================

use ROITheme\Admin\Domain\ValueObjects\MenuItem;
use ROITheme\Admin\Application\UseCases\RenderDashboardUseCase;
use ROITheme\Admin\Infrastructure\Ui\AdminDashboardRenderer;
use ROITheme\Admin\Infrastructure\Api\WordPress\AdminMenuRegistrar;
use ROITheme\Admin\Infrastructure\Services\AdminAssetEnqueuer;

try {
    // Obtener Use Case para cargar configuraciones
    $getComponentSettingsUseCase = $container?->getGetComponentSettingsUseCase();

    // Crear MenuItem con configuración del panel
    $menuItem = new MenuItem(
        pageTitle: 'ROI Theme - Panel de Administración',
        menuTitle: 'ROI Theme',
        capability: 'manage_options',
        menuSlug: 'roi-theme-admin',
        icon: 'dashicons-admin-settings',
        position: 60
    );

    // Crear GroupRegistry para la nueva UI de Cards/Grupos
    $groupRegistry = new \ROITheme\Admin\Infrastructure\Ui\ComponentGroupRegistry();

    // Crear renderer del dashboard con inyección del Use Case y GroupRegistry
    $dashboardRenderer = new AdminDashboardRenderer($getComponentSettingsUseCase, $groupRegistry);

    // Crear caso de uso para renderizar
    $renderDashboardUseCase = new RenderDashboardUseCase($dashboardRenderer);

    // Crear y registrar el menú de administración
    $adminMenuRegistrar = new AdminMenuRegistrar($menuItem, $renderDashboardUseCase);
    $adminMenuRegistrar->register();

    // Crear y registrar el enqueuer de assets
    $adminAssetEnqueuer = new AdminAssetEnqueuer(get_template_directory_uri());
    $adminAssetEnqueuer->register();

    // Obtener Use Case para guardar configuraciones
    $saveComponentSettingsUseCase = $container?->getSaveComponentSettingsUseCase();

    // === FIELD MAPPER REGISTRY (Auto-registro escalable) ===
    $fieldMapperRegistry = new \ROITheme\Admin\Shared\Infrastructure\FieldMapping\FieldMapperRegistry();
    $fieldMapperProvider = new \ROITheme\Admin\Shared\Infrastructure\FieldMapping\FieldMapperProvider($fieldMapperRegistry);
    $fieldMapperProvider->registerAll();

    // === ADMIN AJAX HANDLER ===
    $adminAjaxHandler = new \ROITheme\Admin\Shared\Infrastructure\Api\WordPress\AdminAjaxHandler(
        $saveComponentSettingsUseCase,
        $fieldMapperRegistry
    );
    $adminAjaxHandler->register();

    // Crear y registrar el handler AJAX para el Contact Form (público)
    $contactFormAjaxHandler = new \ROITheme\Public\ContactForm\Infrastructure\Api\WordPress\ContactFormAjaxHandler(
        $container->getComponentSettingsRepository()
    );
    $contactFormAjaxHandler->register();

    // Crear y registrar el handler AJAX para Newsletter (público)
    $newsletterAjaxHandler = new \ROITheme\Public\Footer\Infrastructure\Api\WordPress\NewsletterAjaxHandler(
        $container->getComponentSettingsRepository()
    );
    $newsletterAjaxHandler->register();

    // Crear y registrar el inyector de Theme Settings (GA, Custom CSS/JS)
    $themeSettingsRenderer = new \ROITheme\Public\ThemeSettings\Infrastructure\Ui\ThemeSettingsRenderer();
    $themeSettingsInjector = new \ROITheme\Public\ThemeSettings\Infrastructure\Services\ThemeSettingsInjector(
        $container->getComponentSettingsRepository(),
        $themeSettingsRenderer
    );
    $themeSettingsInjector->register();

    // === YOUTUBE FACADE (PageSpeed Optimization Phase 2.4) ===
    // Lazy-load YouTube iframes to reduce TBT by ~2000ms
    $youtubeFacadeRenderer = new \ROITheme\Public\YoutubeFacade\Infrastructure\Ui\YoutubeFacadeRenderer();
    $youtubeFacadeFilter = new \ROITheme\Public\YoutubeFacade\Infrastructure\Services\YoutubeFacadeContentFilter(
        $youtubeFacadeRenderer
    );
    $youtubeFacadeHooksRegistrar = new \ROITheme\Public\YoutubeFacade\Infrastructure\Wordpress\YoutubeFacadeHooksRegistrar(
        $youtubeFacadeFilter
    );
    $youtubeFacadeHooksRegistrar->register();

    // === CACHE-FIRST ARCHITECTURE (Plan 1000.01) ===
    // Hook para plugins externos que necesitan evaluar acceso antes de servir página
    // @see openspec/specs/cache-first-architecture/spec.md
    $cacheFirstHooksRegistrar = new \ROITheme\Shared\Infrastructure\Hooks\CacheFirstHooksRegistrar();
    $cacheFirstHooksRegistrar->register();

    // Log en modo debug
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('ROI Theme: Admin Panel initialized successfully');
    }

} catch (\Throwable $e) {
    // Manejar errores de inicialización del panel
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('ROI Theme: Failed to initialize Admin Panel: ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine());
    }
}

// =============================================================================
// 4. CONFIGURACIÓN DEL TEMA
// =============================================================================

/**
 * Setup del tema
 *
 * Configuraciones básicas de WordPress theme support
 */
add_action('after_setup_theme', function() {
    // Soporte para título del documento
    add_theme_support('title-tag');

    // Soporte para imágenes destacadas
    add_theme_support('post-thumbnails');

    // Soporte para HTML5
    add_theme_support('html5', [
        'search-form',
        'comment-form',
        'comment-list',
        'gallery',
        'caption',
        'style',
        'script'
    ]);

    // Soporte para feeds automáticos
    add_theme_support('automatic-feed-links');

    // Registro de ubicaciones de menús
    register_nav_menus([
        'primary' => __('Primary Menu', 'roi-theme'),
        'footer'  => __('Footer Menu', 'roi-theme'),
        'footer_menu_1' => __('Footer Menu 1 (Widget 1)', 'roi-theme'),
        'footer_menu_2' => __('Footer Menu 2 (Widget 2)', 'roi-theme'),
        'footer_menu_3' => __('Footer Menu 3 (Widget 3)', 'roi-theme'),
        'footer_menu_4' => __('Footer Menu 4 (Widget 1B - Bases de datos)', 'roi-theme'),
    ]);

    // TODO: Agregar más configuraciones según sea necesario
});

// =============================================================================
// 5. HOOKS DE INICIALIZACIÓN (Para fases posteriores)
// =============================================================================

/**
 * Hook para sincronización de schemas
 * TODO: Implementar en Fase 6
 */
// add_action('admin_init', function() use ($container) {
//     $syncService = $container->getSchemaSyncService();
//     // Verificar si hay schemas desactualizados
// });

/**
 * Hook para detección de schemas desactualizados
 * TODO: Implementar en Fase 6
 */
// add_action('admin_notices', function() use ($container) {
//     // Mostrar aviso si hay schemas desactualizados
// });

// =============================================================================
// 5. RENDERIZAR MODAL DE CONTACTO (Let's Talk)
// =============================================================================

/**
 * Renderizar modal de contacto en el footer
 * Usa la misma configuracion que contact-form (mismo webhook)
 */
add_action('wp_footer', function() use ($container) {
    if ($container === null) {
        return;
    }

    try {
        // Obtener configuracion del contact-form
        $repository = $container->getComponentSettingsRepository();
        $settings = $repository->getComponentSettings('contact-form');

        if (empty($settings)) {
            return;
        }

        // Crear Component entity
        $componentName = new \ROITheme\Shared\Domain\ValueObjects\ComponentName('contact-form');
        $component = new \ROITheme\Shared\Domain\Entities\Component(
            name: $componentName,
            configuration: \ROITheme\Shared\Domain\ValueObjects\ComponentConfiguration::fromArray($settings),
            visibility: \ROITheme\Shared\Domain\ValueObjects\ComponentVisibility::allDevices()
        );

        // Crear renderer y renderizar modal
        $cssGenerator = new \ROITheme\Shared\Infrastructure\Services\CSSGeneratorService();
        $renderer = new \ROITheme\Public\ContactForm\Infrastructure\Ui\ContactFormRenderer($cssGenerator);

        // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
        echo $renderer->renderModal($component);

    } catch (\Throwable $e) {
        if (defined('WP_DEBUG') && WP_DEBUG) {
            error_log('ROI Theme: Failed to render contact modal: ' . $e->getMessage());
        }
    }
}, 99); // Prioridad alta para que se renderice al final del footer

// =============================================================================
// 5.2. CUSTOM CSS MANAGER (TIPO 3: CSS Crítico Personalizado)
// =============================================================================

/**
 * Bootstrap CustomCSSManager
 *
 * Inicializa el sistema de CSS personalizado configurable.
 * - Frontend: Inyecta CSS crítico (head) y diferido (footer)
 * - Admin: El FormBuilder se auto-registra cuando es instanciado por el dashboard
 */
// Registrar hooks de inyección CSS directamente (sin wrapper)
if (!is_admin()) {
    try {
        global $wpdb;

        $repository = new \ROITheme\Admin\CustomCSSManager\Infrastructure\Persistence\WordPressSnippetRepository($wpdb);
        $getCriticalUseCase = new \ROITheme\Public\CustomCSSManager\Application\UseCases\GetCriticalSnippetsUseCase($repository);
        $getDeferredUseCase = new \ROITheme\Public\CustomCSSManager\Application\UseCases\GetDeferredSnippetsUseCase($repository);

        $injector = new \ROITheme\Public\CustomCSSManager\Infrastructure\Services\CustomCSSInjector(
            $getCriticalUseCase,
            $getDeferredUseCase
        );

        $injector->register();

        if (defined('WP_DEBUG') && WP_DEBUG) {
            error_log('ROI Theme: CustomCSSManager hooks registered successfully');
        }
    } catch (\Throwable $e) {
        error_log('ROI Theme: CustomCSSManager FAILED: ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine());
    }
}

// =============================================================================
// 5.2.1. CUSTOM CSS MANAGER BOOTSTRAP (Handler de formulario POST)
// =============================================================================

/**
 * Inicializar Bootstrap de CustomCSSManager para admin
 *
 * IMPORTANTE: Este Bootstrap registra el handler de formulario POST en admin_init,
 * ANTES de que WordPress envíe headers HTTP. Esto permite que wp_redirect()
 * funcione correctamente después de guardar/eliminar snippets.
 */
if (is_admin()) {
    \ROITheme\Admin\CustomCSSManager\Infrastructure\Bootstrap\CustomCSSManagerBootstrap::init();
}

// =============================================================================
// 5.3. INFORMACIÓN DE DEBUG (Solo en desarrollo)
// =============================================================================

if (defined('WP_DEBUG') && WP_DEBUG) {
    // Registrar que el tema se inicializó correctamente
    error_log('ROI Theme: Bootstrap completed successfully');
}

// =============================================================================
// 5.4. CRITICAL CSS TIPO 4 (CSS Below-the-fold)
// =============================================================================

/**
 * Bootstrap CriticalCSS TIPO 4
 *
 * Inyecta CSS critico (variables, responsive) inline en wp_head
 * antes de cualquier otro CSS para evitar FOUC.
 *
 * Incluye auto-regeneracion: si los archivos fuente cambian,
 * el cache se regenera automaticamente sin intervencion manual.
 * Costo: ~0.1ms (2 llamadas a filemtime())
 */
if (!is_admin()) {
    $criticalCSSCache = new \ROITheme\Public\CriticalCSS\Infrastructure\Cache\CriticalCSSFileCache();
    $criticalCSSExtractor = new \ROITheme\Public\CriticalCSS\Infrastructure\Services\CriticalCSSExtractor(
        $criticalCSSCache
    );

    // Auto-regenerar si archivos fuente cambiaron
    if ($criticalCSSExtractor->needsRegeneration()) {
        $criticalCSSExtractor->generateAll();
    }

    $criticalCSSInjector = new \ROITheme\Public\CriticalCSS\Infrastructure\Services\CriticalCSSInjector(
        $criticalCSSCache
    );
    $criticalCSSInjector->register();
}

// Registrar comando WP-CLI (util para forzar regeneracion o limpiar cache)
if (defined('WP_CLI') && WP_CLI) {
    require_once get_template_directory() . '/bin/generate-critical-css.php';
}

// =============================================================================
// 5.5. LAZY CSS LOADER TIPO 5 (CSS No Critico)
// =============================================================================

/**
 * Bootstrap LazyCSSLoader TIPO 5
 *
 * Carga CSS no critico de forma lazy:
 * - Animaciones: requestIdleCallback o timeout 2s
 * - Print: solo cuando usuario va a imprimir (beforeprint event)
 *
 * @since 1.0.20
 */
if (!is_admin()) {
    $lazyCSSRegistrar = new \ROITheme\Public\LazyCSSLoader\Infrastructure\Services\LazyCSSRegistrar();
    $lazyCSSRegistrar->register();

    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('ROI Theme: TIPO 5 LazyCSSLoader registered');
    }
}

// =============================================================================
// 6. INSTALACIÓN DE TABLAS DEL TEMA
// =============================================================================

/**
 * Crear tablas del tema en la activación
 *
 * Este hook se ejecuta cuando el tema se activa en WordPress.
 * Crea las tablas necesarias si no existen.
 */
add_action('after_switch_theme', function() {
    global $wpdb;
    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');

    $charset_collate = $wpdb->get_charset_collate();

    // Tabla de configuración de componentes (normalizada)
    $table_settings = $wpdb->prefix . 'roi_theme_component_settings';
    $sql_settings = "CREATE TABLE {$table_settings} (
        id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
        component_name VARCHAR(100) NOT NULL,
        group_name VARCHAR(100) NOT NULL,
        attribute_name VARCHAR(100) NOT NULL,
        attribute_value LONGTEXT NOT NULL,
        is_editable TINYINT(1) NOT NULL DEFAULT 1,
        created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
        updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
        PRIMARY KEY (id),
        UNIQUE KEY unique_setting (component_name, group_name, attribute_name),
        INDEX idx_component (component_name),
        INDEX idx_editable (is_editable)
    ) {$charset_collate};";

    // Crear/actualizar tabla
    dbDelta($sql_settings);

    // Log en modo debug
    if (defined('WP_DEBUG') && WP_DEBUG) {
        error_log('ROI Theme: Database tables created/updated');
    }
});

// =============================================================================
// REGISTRO DE COMANDOS WP-CLI
// =============================================================================

if (defined('WP_CLI') && WP_CLI) {
    require_once get_template_directory() . '/Shared/Infrastructure/Api/WordPress/MigrationCommand.php';
}