<?php
/**
 * Plugin bootstrap and hook registration.
 *
 * @package SeventeenSai
 */

namespace SeventeenSai;

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

/**
 * Main plugin controller.
 */
class Plugin {

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

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

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

		return self::$instance;
	}

	/**
	 * Prevent direct construction.
	 */
	private function __construct() {}

	/**
	 * Register plugin hooks.
	 */
	public function register(): void {
		add_action( 'init', array( $this, 'load_textdomain' ) );

		if ( is_admin() ) {
			$this->admin = new Admin();
			$this->admin->register();
		}
	}

	/**
	 * Load translations from the local lang directory.
	 */
	public function load_textdomain(): void {
		load_plugin_textdomain(
			'17sai',
			false,
			dirname( plugin_basename( SEVENTEEN_SAI_FILE ) ) . '/lang'
		);
	}
}