<?php
/**
 * Admin Menu Class
 *
 * Registra menú en WordPress admin y carga assets
 *
 * @package ROI_Theme
 * @since 2.0.0
 */

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

class ROI_Admin_Menu {

	/**
	 * Constructor
	 */
	public function __construct() {
		add_action('admin_menu', array($this, 'register_menu'));
		add_action('admin_enqueue_scripts', array($this, 'enqueue_assets'));
	}

	/**
	 * Registrar página de admin
	 * Crea menú de nivel superior en sidebar (NO dentro de Apariencia)
	 */
	public function register_menu() {
		// Menú principal de nivel superior (sin callback para que sea solo contenedor)
		add_menu_page(
			'ROI Theme',                     // Page title
			'ROI Theme',                     // Menu title
			'manage_options',                // Capability
			'roi-theme-menu',                // Menu slug (solo identificador, no página real)
			'',                              // Sin callback = solo contenedor
			'dashicons-admin-generic',       // Icon (WordPress Dashicon)
			61                               // Position (61 = después de Appearance que es 60)
		);

		// Submenú 1: "Theme Options" (formulario viejo de apariencia)
		add_submenu_page(
			'roi-theme-menu',                // Parent slug
			'Theme Options',                 // Page title
			'Theme Options',                 // Menu title
			'manage_options',                // Capability
			'roi-theme-settings',            // Menu slug
			array($this, 'render_admin_page') // Callback
		);

		// Submenú 2: "Componentes" (nuevo sistema de tabs)
		add_submenu_page(
			'roi-theme-menu',                     // Parent slug
			'Componentes',                        // Page title
			'Componentes',                        // Menu title
			'manage_options',                     // Capability
			'roi-theme-components',               // Menu slug
			array($this, 'render_components_page') // Callback
		);

		// Remover el primer submenú duplicado que WordPress crea automáticamente
		remove_submenu_page('roi-theme-menu', 'roi-theme-menu');
	}

	/**
	 * Renderizar página de Theme Options (formulario viejo)
	 */
	public function render_admin_page() {
		if (!current_user_can('manage_options')) {
			wp_die(__('No tienes permisos para acceder a esta página.'));
		}

		// Cargar el formulario viejo de theme options
		require_once get_template_directory() . '/admin/theme-options/options-page-template.php';
	}

	/**
	 * Renderizar página de Componentes (nuevo sistema de tabs)
	 */
	public function render_components_page() {
		if (!current_user_can('manage_options')) {
			wp_die(__('No tienes permisos para acceder a esta página.'));
		}

		// Cargar el nuevo admin panel con tabs de componentes
		require_once ROI_ADMIN_PANEL_PATH . 'pages/main.php';
	}

	/**
	 * Encolar assets (CSS/JS)
	 */
	public function enqueue_assets($hook) {
		// Solo cargar en nuestras páginas de admin
		$allowed_hooks = array(
			'roi-theme_page_roi-theme-settings',   // Theme Options
			'roi-theme_page_roi-theme-components'  // Componentes
		);

		if (!in_array($hook, $allowed_hooks)) {
			return;
		}

		// CSS y JS específico para Theme Options (formulario viejo)
		if ($hook === 'roi-theme_page_roi-theme-settings') {
			// Enqueue WordPress media uploader
			wp_enqueue_media();

			// Enqueue admin styles para theme options
			wp_enqueue_style(
				'roi-admin-options',
				get_template_directory_uri() . '/admin/assets/css/theme-options.css',
				array(),
				ROI_VERSION
			);

			// Enqueue admin scripts para theme options
			wp_enqueue_script(
				'roi-admin-options',
				get_template_directory_uri() . '/admin/assets/js/theme-options.js',
				array('jquery', 'wp-color-picker'),
				ROI_VERSION,
				true
			);

			// Localize script
			wp_localize_script('roi-admin-options', 'roiAdminOptions', array(
				'ajaxUrl'           => admin_url('admin-ajax.php'),
				'nonce'             => wp_create_nonce('roi_admin_nonce'),
				'strings'           => array(
					'selectImage'   => __('Select Image', 'roi-theme'),
					'useImage'      => __('Use Image', 'roi-theme'),
					'removeImage'   => __('Remove Image', 'roi-theme'),
					'confirmReset'  => __('Are you sure you want to reset all options to default values? This cannot be undone.', 'roi-theme'),
					'saved'         => __('Settings saved successfully!', 'roi-theme'),
					'error'         => __('An error occurred while saving settings.', 'roi-theme'),
				),
			));

			// No cargar Bootstrap ni otros assets del nuevo panel
			return;
		}

		// Bootstrap 5.3.2 CSS (solo para Componentes)
		wp_enqueue_style(
			'bootstrap',
			'https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css',
			array(),
			'5.3.2'
		);

		// Bootstrap Icons
		wp_enqueue_style(
			'bootstrap-icons',
			'https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css',
			array(),
			'1.11.1'
		);

		// Admin Panel CSS (Core)
		wp_enqueue_style(
			'roi-admin-panel-css',
			ROI_ADMIN_PANEL_URL . 'assets/css/admin-panel.css',
			array('bootstrap'),
			ROI_ADMIN_PANEL_VERSION
		);


		// Bootstrap 5.3.2 JS
		wp_enqueue_script(
			'bootstrap',
			'https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js',
			array(),
			'5.3.2',
			true
		);

		// Axios (para AJAX)
		wp_enqueue_script(
			'axios',
			'https://cdn.jsdelivr.net/npm/axios@1.6.0/dist/axios.min.js',
			array(),
			'1.6.0',
			true
		);


		// Admin Panel JS (Core)
		wp_enqueue_script(
			'roi-admin-panel-js',
			ROI_ADMIN_PANEL_URL . 'assets/js/admin-app.js',
			array('jquery', 'axios'),
			ROI_ADMIN_PANEL_VERSION,
			true
		);

		// Pasar datos a JavaScript
		wp_localize_script('roi-admin-panel-js', 'roiAdminData', array(
			'ajaxUrl' => admin_url('admin-ajax.php'),
			'nonce'   => wp_create_nonce('roi_admin_nonce')
		));
	}
}

// Instanciar clase
new ROI_Admin_Menu();