<?php

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * Resolve short URLs (?arx=TOKEN) and redirect to the original URL.
 * Generic shortener resolver - not tied to any specific feature.
 */
class ALEXR_Resolve_Shortener
{
	public function __construct()
	{
		$this->hooks();
	}

	public function hooks()
	{
		add_action( 'template_redirect', array( $this, 'resolve' ), 5 );
	}

	public function resolve()
	{
		if ( ! isset( $_GET[ALEXR_SHORT_URL_PARAM] ) ) {
			return;
		}

		$short_code = sanitize_text_field( $_GET[ALEXR_SHORT_URL_PARAM] );

		if ( empty( $short_code ) ) {
			return;
		}

		$service = new \Alexr\Services\UrlShortener\UrlShortenerService();
		$original_url = $service->getOriginalUrl( $short_code );

		if ( $original_url ) {
			wp_redirect( $original_url, 302 );
			exit;
		}

		// Token not found or expired - redirect to home
		wp_redirect( home_url( '/' ) );
		exit;
	}
}

new ALEXR_Resolve_Shortener();