<?php

declare(strict_types=1);

namespace MageSail\Magesail\Test\Unit\Plugin\FrontController;

use MageSail\Magesail\Plugin\FrontController\EnsureTunnelParamPlugin;
use Magento\Framework\App\FrontController;
use Magento\Framework\App\Request\Http;
use PHPUnit\Framework\TestCase;

class EnsureTunnelParamPluginTest extends TestCase
{
    /** @var array<string, mixed> */
    private array $backupGet = [];

    /** @var array<string, mixed> */
    private array $backupServer = [];

    protected function setUp(): void
    {
        parent::setUp();
        $this->backupGet = $_GET;
        $this->backupServer = $_SERVER;
    }

    protected function tearDown(): void
    {
        $_GET = $this->backupGet;
        $_SERVER = $this->backupServer;
        parent::tearDown();
    }

    public function testSetsParamFromGetSuperglobal(): void
    {
        $_GET = ['magesail_store' => 'from_get'];
        $plugin = new EnsureTunnelParamPlugin();
        $request = new Http();
        self::assertNull($request->getParam('magesail_store'));
        $called = false;
        $proceed = static function ($req) use (&$called) {
            $called = true;

            return 'ok';
        };
        $result = $plugin->aroundDispatch(new FrontController(), $proceed, $request);
        self::assertTrue($called);
        self::assertSame('ok', $result);
        self::assertSame('from_get', $request->getParam('magesail_store'));
    }

    public function testDoesNotOverrideExistingRequestParam(): void
    {
        $_GET = ['magesail_store' => 'from_get'];
        $plugin = new EnsureTunnelParamPlugin();
        $request = new Http();
        $request->setParam('magesail_store', 'already');
        $proceed = static fn () => 'done';
        $plugin->aroundDispatch(new FrontController(), $proceed, $request);
        self::assertSame('already', $request->getParam('magesail_store'));
    }
}