<?php
/**
 * Main Plugin Orchestrator Class
 *
 * @package ReyBlockLaunchpad
 */

namespace ReyBlockLaunchpad;

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

class Plugin {

	/**
	 * Singleton instance.
	 *
	 * @var Plugin|null
	 */
	private static $instance = null;

	/**
	 * Sub-components.
	 */
	public $admin_menu;
	public $system_status;
	public $blocks;

	/**
	 * Get singleton instance.
	 *
	 * @return Plugin
	 */
	public static function instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Constructor.
	 */
	private function __construct() {
		$this->includes();
		$this->init_components();
		$this->hooks();
	}

	/**
	 * Include required files.
	 */
	private function includes() {
		require_once REYBLOCK_LAUNCHPAD_DIR . 'inc/class-system-status.php';
		require_once REYBLOCK_LAUNCHPAD_DIR . 'inc/class-admin-menu.php';
		require_once REYBLOCK_LAUNCHPAD_DIR . 'inc/blocks/class-blocks-manager.php';
	}

	/**
	 * Instantiate sub-components.
	 */
	private function init_components() {
		$this->system_status = new SystemStatus();
		$this->admin_menu    = new AdminMenu();
		$this->blocks        = new BlocksManager();
	}

	/**
	 * Setup hooks.
	 */
	private function hooks() {
		add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_admin_assets' ] );
	}

	/**
	 * Enqueue scripts and styles only on our Launchpad page.
	 *
	 * @param string $hook Admin page hook.
	 */
	public function enqueue_admin_assets( $hook ) {
		if ( strpos( $hook, 'reyblock' ) === false ) {
			return;
		}

		// Admin CSS (Uses modern native system fonts, 100% GDPR and WordPress.org compliant)
		wp_enqueue_style(
			'reyblock-launchpad-admin',
			REYBLOCK_LAUNCHPAD_URL . 'assets/css/launchpad-admin.css',
			[],
			REYBLOCK_LAUNCHPAD_VERSION
		);
	}
}