<?php
/**
 * Settings Manager Class
 *
 * CRUD de configuraciones por componentes
 *
 * @package Apus_Theme
 * @since 2.0.0
 */

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

class APUS_Settings_Manager {

	const OPTION_NAME = 'apus_theme_settings';

	/**
	 * Constructor
	 */
	public function __construct() {
		add_action('wp_ajax_apus_get_settings', array($this, 'ajax_get_settings'));
		add_action('wp_ajax_apus_save_settings', array($this, 'ajax_save_settings'));
	}

	/**
	 * Obtener configuraciones
	 */
	public function get_settings() {
		$settings = get_option(self::OPTION_NAME, array());
		$defaults = $this->get_defaults();

		return wp_parse_args($settings, $defaults);
	}

	/**
	 * Guardar configuraciones
	 */
	public function save_settings($data) {
		// Validar
		$validator = new APUS_Validator();
		$validation = $validator->validate($data);

		if (!$validation['valid']) {
			return array(
				'success' => false,
				'message' => 'Error de validación',
				'errors' => $validation['errors']
			);
		}

		// Sanitizar
		$sanitized = $this->sanitize_settings($data);

		// Agregar metadata
		$sanitized['version'] = APUS_ADMIN_PANEL_VERSION;
		$sanitized['updated_at'] = current_time('mysql');

		// Guardar
		update_option(self::OPTION_NAME, $sanitized, false);

		return array(
			'success' => true,
			'message' => 'Configuración guardada correctamente'
		);
	}

	/**
	 * Valores por defecto
	 * NOTA: Aquí se agregan los defaults de cada componente
	 */
	public function get_defaults() {
		return array(
			'version' => APUS_ADMIN_PANEL_VERSION,
			'components' => array(
				'top_bar' => array(
					'enabled' => true,
					'show_on_mobile' => true,
					'show_on_desktop' => true,
					'icon_class' => 'bi bi-megaphone-fill',
					'show_icon' => true,
					'highlight_text' => 'Nuevo:',
					'message_text' => 'Accede a más de 200,000 Análisis de Precios Unitarios actualizados para 2025.',
					'link_text' => 'Ver Catálogo',
					'link_url' => '/catalogo',
					'link_target' => '_self',
					'show_link' => true,
					'custom_styles' => array(
						// Valores extraídos de componente-top-bar.css
						'background_color' => '#0E2337',  // var(--color-navy-dark)
						'text_color' => '#ffffff',
						'highlight_color' => '#FF8600',   // var(--color-orange-primary)
						'link_hover_color' => '#FF8600',  // var(--color-orange-primary)
						'font_size' => 'normal'           // 0.9rem del CSS
					)
				)
				// Navbar - Pendiente
				// Hero - Pendiente
				// Footer - Pendiente
			)
		);
	}

	/**
	 * Sanitizar configuraciones
	 * NOTA: Aquí se agrega sanitización de cada componente
	 */
	public function sanitize_settings($data) {
		$sanitized = array(
			'components' => array()
		);

		// Sanitizar Top Bar
		if (isset($data['components']['top_bar'])) {
			$top_bar = $data['components']['top_bar'];

			$sanitized['components']['top_bar'] = array(
				'enabled' => !empty($top_bar['enabled']),
				'show_on_mobile' => !empty($top_bar['show_on_mobile']),
				'show_on_desktop' => !empty($top_bar['show_on_desktop']),
				'icon_class' => sanitize_text_field($top_bar['icon_class'] ?? ''),
				'show_icon' => !empty($top_bar['show_icon']),
				'highlight_text' => sanitize_text_field($top_bar['highlight_text'] ?? ''),
				'message_text' => sanitize_text_field($top_bar['message_text'] ?? ''),
				'link_text' => sanitize_text_field($top_bar['link_text'] ?? ''),
				'link_url' => esc_url_raw($top_bar['link_url'] ?? ''),
				'link_target' => in_array($top_bar['link_target'] ?? '', array('_self', '_blank')) ? $top_bar['link_target'] : '_self',
				'show_link' => !empty($top_bar['show_link']),
				'custom_styles' => array(
					'background_color' => sanitize_hex_color($top_bar['custom_styles']['background_color'] ?? ''),
					'text_color' => sanitize_hex_color($top_bar['custom_styles']['text_color'] ?? ''),
					'highlight_color' => sanitize_hex_color($top_bar['custom_styles']['highlight_color'] ?? ''),
					'link_hover_color' => sanitize_hex_color($top_bar['custom_styles']['link_hover_color'] ?? ''),
					'font_size' => in_array($top_bar['custom_styles']['font_size'] ?? '', array('small', 'normal', 'large')) ? $top_bar['custom_styles']['font_size'] : 'normal'
				)
			);
		}

		return $sanitized;
	}

	/**
	 * AJAX: Obtener configuraciones
	 */
	public function ajax_get_settings() {
		// Verificar nonce usando check_ajax_referer (método recomendado para AJAX)
		check_ajax_referer('apus_admin_nonce', 'nonce');

		if (!current_user_can('manage_options')) {
			wp_send_json_error('Permisos insuficientes');
		}

		$settings = $this->get_settings();
		wp_send_json_success($settings);
	}

	/**
	 * AJAX: Guardar configuraciones
	 */
	public function ajax_save_settings() {
		// Verificar nonce usando check_ajax_referer (método recomendado para AJAX)
		check_ajax_referer('apus_admin_nonce', 'nonce');

		if (!current_user_can('manage_options')) {
			wp_send_json_error('Permisos insuficientes');
		}

		// Los datos vienen como JSON string en $_POST['components']
		if (!isset($_POST['components'])) {
			wp_send_json_error('Datos inválidos - falta components');
		}

		$components = json_decode(stripslashes($_POST['components']), true);

		if (!is_array($components)) {
			wp_send_json_error('Datos inválidos - components no es un array válido');
		}

		$data = array(
			'components' => $components
		);

		$result = $this->save_settings($data);

		if ($result['success']) {
			wp_send_json_success($result);
		} else {
			wp_send_json_error($result);
		}
	}
}

// Instanciar clase
new APUS_Settings_Manager();