<?php
/**
 * Plugin bootstrap.
 *
 * @package Aslansheed\OTP
 */

namespace Aslansheed\OTP\Core;

use Aslansheed\OTP\Admin\Settings_Page;
use Aslansheed\OTP\Auth\Classic_Guard;
use Aslansheed\OTP\Auth\Identity_Store;
use Aslansheed\OTP\Channels\Dispatcher;
use Aslansheed\OTP\Channels\Telegram_Bot;
use Aslansheed\OTP\Database\Installer;
use Aslansheed\OTP\Elementor\Integration as Elementor_Integration;
use Aslansheed\OTP\Frontend\Login_Page;
use Aslansheed\OTP\Frontend\Phone_Widget;
use Aslansheed\OTP\Frontend\Shortcode;
use Aslansheed\OTP\Frontend\Two_Factor_Ui;
use Aslansheed\OTP\Rest\Rest_Controller;
use Aslansheed\OTP\Security\Notifier;
use Aslansheed\OTP\Security\Privacy;
use Aslansheed\OTP\Woo\Integration;

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

/**
 * Wires the plugin parts to WordPress hooks.
 */
final class Plugin {

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

	/**
	 * Whether boot() already ran.
	 *
	 * @var bool
	 */
	private $booted = false;

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

		return self::$instance;
	}

	/**
	 * Registers hooks. Safe to call more than once.
	 *
	 * @return void
	 */
	public function boot() {
		if ( $this->booted ) {
			return;
		}

		$this->booted = true;

		add_filter( 'aslansheed_otp_channels', array( Dispatcher::class, 'register_default_channels' ), 5 );
		add_action( 'rest_api_init', array( Telegram_Bot::class, 'register_routes' ) );
		add_action( 'rest_api_init', array( Rest_Controller::class, 'register_routes' ) );
		add_action( Installer::CRON_HOOK, array( Installer::class, 'run_cleanup' ) );
		add_action( 'update_option_' . Options::OPTION_NAME, array( Options::class, 'flush_cache' ) );
		add_action( 'add_option_' . Options::OPTION_NAME, array( Options::class, 'flush_cache' ) );

		add_action( 'delete_user', array( Identity_Store::class, 'delete_for_user' ) );

		Installer::maybe_upgrade();

		Notifier::register();
		Privacy::register();
		Shortcode::register();
		Login_Page::register();
		Phone_Widget::register();
		Two_Factor_Ui::register();
		Elementor_Integration::register();
		Classic_Guard::register();
		Integration::register();

		if ( is_admin() ) {
			( new Settings_Page() )->register();
		}
	}
}