<?php
/**
 * Sign-in notification emails.
 *
 * @package Aslansheed\OTP
 */

namespace Aslansheed\OTP\Security;

use Aslansheed\OTP\Core\Options;
use Aslansheed\OTP\Core\Request;

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

/**
 * Tells users, and optionally the site admin, about sign-ins made with the plugin.
 */
final class Notifier {

	/**
	 * Registers hooks.
	 *
	 * @return void
	 */
	public static function register() {
		add_action( 'aslansheed_otp_logged_in', array( __CLASS__, 'on_login' ), 10, 2 );
	}

	/**
	 * Sends the notification emails that are switched on.
	 *
	 * @param \WP_User $user   User that signed in.
	 * @param string   $method Method slug.
	 * @return void
	 */
	public static function on_login( $user, $method ) {
		$details = sprintf(
			/* translators: 1: sign-in method, 2: IP address, 3: date and time. */
			__( "Method: %1\$s\nIP address: %2\$s\nTime (UTC): %3\$s", 'aslansheed-login' ),
			$method,
			Request::ip(),
			gmdate( 'Y-m-d H:i:s' )
		);

		if ( Options::get( 'security.notify_user_login' ) && is_email( (string) $user->user_email ) ) {
			wp_mail(
				$user->user_email,
				/* translators: %s: site name. */
				sprintf( __( 'New sign-in to %s', 'aslansheed-login' ), wp_specialchars_decode( get_bloginfo( 'name' ) ) ),
				__( 'Your account was just used to sign in. If this was not you, change your password and contact the site owner.', 'aslansheed-login' ) . "\n\n" . $details
			);
		}

		if ( Options::get( 'security.notify_admin_login' ) && user_can( $user, 'manage_options' ) ) {
			wp_mail(
				get_option( 'admin_email' ),
				/* translators: %s: user login name. */
				sprintf( __( 'Administrator sign-in: %s', 'aslansheed-login' ), $user->user_login ),
				$details
			);
		}
	}
}