<?php

declare(strict_types=1);

namespace MageSail\Magesail\Plugin\Store;

use Magento\Framework\App\Request\Http;
use Magento\Framework\App\RequestInterface;
use Magento\Store\Model\BaseUrlChecker;
use MageSail\Magesail\Model\TunnelRequestDetector;

/**
 * When request is a MageSail tunnel (header/query or hostname vs persisted tunnel URLs), skip base-URL 301.
 */
class BaseUrlCheckerTunnelPlugin
{
    private const QUERY_PARAM_STORE = 'magesail_store';
    private const SERVER_HEADER = 'HTTP_X_MAGESAIL_STORE_CODE';

    public function __construct(
        private readonly RequestInterface $request,
        private readonly TunnelRequestDetector $tunnelRequestDetector
    ) {
    }

    /**
     * Disable redirect-to-base when tunnel param is present so RequestPreprocessor skips the block.
     *
     * @param BaseUrlChecker $subject
     * @return array|null [false] to disable, null to proceed
     */
    public function beforeIsEnabled(BaseUrlChecker $subject): ?array
    {
        if ($this->request instanceof Http && $this->hasTunnelStore($this->request)) {
            return [false];
        }
        return null;
    }

    /**
     * If tunnel store indicator is present, treat URL as valid (skip redirect).
     *
     * @param BaseUrlChecker $subject
     * @param callable $proceed
     * @param array $uri
     * @param Http $request
     * @return bool
     */
    public function aroundExecute(BaseUrlChecker $subject, callable $proceed, $uri, $request): bool
    {
        if ($request instanceof Http && $this->hasTunnelStore($request)) {
            return true;
        }
        return $proceed($uri, $request);
    }

    private function hasTunnelStore(Http $request): bool
    {
        if ($this->tunnelRequestDetector->getTunnelStoreCode($request) !== null) {
            return true;
        }
        return $this->hasTunnelStoreFromSuperglobals();
    }

    private function hasTunnelStoreFromSuperglobals(): bool
    {
        if (!empty($_GET[self::QUERY_PARAM_STORE]) && trim((string) $_GET[self::QUERY_PARAM_STORE]) !== '') {
            return true;
        }
        $uri = $_SERVER['REQUEST_URI'] ?? '';
        if ($uri !== '' && str_contains($uri, self::QUERY_PARAM_STORE . '=')) {
            return true;
        }
        $h = $_SERVER[self::SERVER_HEADER] ?? '';
        return $h !== '' && trim((string) $h) !== '';
    }
}