<?php
namespace Novaconium;
/**
 * Use 
 * $redirect->url('/login');
 * to trigger a redirect
 */


class Redirect {
    private ?string $url = null;
    private int $statusCode = 303;

    public function url(string $relativeUrl, int $statusCode = 303): void {
        $this->statusCode = $statusCode;

        // Detect HTTPS
        $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? "https" : "http";

        // Get Hostname
        $host = $_SERVER['HTTP_HOST'];

        // Get Base Directory
        $basePath = rtrim(dirname($_SERVER['SCRIPT_NAME']), '/\\');

        // Construct Absolute URL
        $this->url = "$protocol://$host$basePath/" . ltrim($relativeUrl, '/');
    }

    public function isset(): bool {
        return !is_null($this->url);
    }

    public function execute(): void {
        if ($this->url) {
            header("Location: " . $this->url, true, $this->statusCode);
            exit();
        }
    }
}