<?php
/**
 * Main plugin orchestrator.
 *
 * @package Selectika
 */

defined( 'ABSPATH' ) || exit;

/**
 * Main Selectika plugin class.
 */
final class Selectika {

	/**
	 * Single instance of the class.
	 *
	 * @var Selectika|null
	 */
	private static $instance = null;

	/**
	 * Loader instance.
	 *
	 * @var Selectika_Loader|null
	 */
	private $loader = null;

	/**
	 * Admin instance.
	 *
	 * @var Selectika_Admin|null
	 */
	private $admin = null;

	/**
	 * Shortcode instance.
	 *
	 * @var Selectika_Shortcode|null
	 */
	private $shortcode = null;

	/**
	 * Block instance.
	 *
	 * @var Selectika_Block|null
	 */
	private $block = null;

	/**
	 * WooCommerce instance.
	 *
	 * @var Selectika_WooCommerce|null
	 */
	private $woocommerce = null;

	/**
	 * Get the single instance.
	 *
	 * @return Selectika
	 */
	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Constructor.
	 */
	private function __construct() {
		$this->load_dependencies();
		$this->init_hooks();
	}

	/**
	 * Load required class files.
	 */
	private function load_dependencies() {
		foreach ( array( 'connection', 'catalog', 'connection-admin', 'orders', 'events', 'renderer', 'agent-commerce', 'agent-discovery' ) as $module ) {
			require_once SELECTIKA_PLUGIN_DIR . 'includes/class-selectika-' . $module . '.php';
		}
		require_once SELECTIKA_PLUGIN_DIR . 'includes/class-selectika-loader.php';
		require_once SELECTIKA_PLUGIN_DIR . 'includes/class-selectika-admin.php';
		require_once SELECTIKA_PLUGIN_DIR . 'includes/class-selectika-shortcode.php';
		require_once SELECTIKA_PLUGIN_DIR . 'includes/class-selectika-block.php';
		require_once SELECTIKA_PLUGIN_DIR . 'includes/class-selectika-woocommerce.php';
	}

	/**
	 * Initialize hooks.
	 */
	private function init_hooks() {
		add_action( 'init', array( $this, 'init_components' ), 1 );
	}

	/**
	 * Initialize plugin components.
	 */
	public function init_components() {
		if ( get_option( 'selectika_schema_version' ) !== SELECTIKA_SCHEMA_VERSION ) {
			Selectika_Catalog::install();
			Selectika_Orders::install();
			Selectika_Events::install();
			update_option( 'selectika_schema_version', SELECTIKA_SCHEMA_VERSION, false );
		}
		$catalog = new Selectika_Catalog();
		add_action( 'selectika_catalog_continue', array( $catalog, 'tick' ) );
		Selectika_Catalog::schedule();
		new Selectika_Connection_Admin();
		new Selectika_Events();
		new Selectika_Orders();
		new Selectika_Agent_Commerce();
		new Selectika_Agent_Discovery();
		$this->loader    = new Selectika_Loader();
		$this->admin     = new Selectika_Admin();
		$this->shortcode = new Selectika_Shortcode();
		$this->block     = new Selectika_Block();

		if ( class_exists( 'WooCommerce' ) ) {
			$this->woocommerce = new Selectika_WooCommerce();
		}
		if ( defined( 'ELEMENTOR_VERSION' ) || class_exists( '\Elementor\Plugin' ) ) {
			add_action( 'elementor/widgets/register', array( $this, 'maybe_init_elementor' ) );
		} else {
			add_action( 'elementor/loaded', array( $this, 'register_elementor_hook' ) );
		}
	}

	/**
	 * Register Elementor hook when Elementor loads late.
	 */
	public function register_elementor_hook() {
		add_action( 'elementor/widgets/register', array( $this, 'maybe_init_elementor' ) );
	}

	/**
	 * Initialize Elementor integration when Elementor registers widgets.
	 *
	 * @param \Elementor\Widgets_Manager $widgets_manager Widgets manager.
	 */
	public function maybe_init_elementor( $widgets_manager ) {
		require_once SELECTIKA_PLUGIN_DIR . 'widgets/class-selectika-elementor-widget.php';
		$widgets_manager->register( new Selectika_Elementor_Widget() );
	}

	/**
	 * Get the loader instance.
	 *
	 * @return Selectika_Loader
	 */
	public function get_loader() {
		return $this->loader;
	}

	/**
	 * Get the admin instance.
	 *
	 * @return Selectika_Admin
	 */
	public function get_admin() {
		return $this->admin;
	}

	/**
	 * Get the shortcode instance.
	 *
	 * @return Selectika_Shortcode
	 */
	public function get_shortcode() {
		return $this->shortcode;
	}

	/**
	 * Get the block instance.
	 *
	 * @return Selectika_Block
	 */
	public function get_block() {
		return $this->block;
	}

	/**
	 * Get the WooCommerce instance.
	 *
	 * @return Selectika_WooCommerce|null
	 */
	public function get_woocommerce() {
		return $this->woocommerce;
	}
}