<?php

declare(strict_types=1);

namespace BattleForge\Tests\Unit\Http;

use BattleForge\Http\Request;
use BattleForge\Http\Response;
use BattleForge\Http\Router;
use PHPUnit\Framework\TestCase;

final class RouterTest extends TestCase
{
    public function testItDispatchesAMatchingStaticRoute(): void
    {
        $router = new Router();
        $router->add('GET', '/', static fn (Request $request): Response => Response::html(200, 'home'));

        $response = $router->dispatch($this->request('GET', '/'));

        self::assertSame(200, $response->status);
        self::assertSame('home', $response->body);
    }

    public function testItReturnsA404ForUnknownPaths(): void
    {
        $router = new Router();

        $response = $router->dispatch($this->request('GET', '/missing'));

        self::assertSame(404, $response->status);
    }

    public function testItReturnsAMethodNotAllowedResponseForMismatchedMethods(): void
    {
        $router = new Router();
        $router->add('POST', '/', static fn (): Response => Response::html(200, 'ok'));

        $response = $router->dispatch($this->request('GET', '/'));

        self::assertSame(404, $response->status);
    }

    public function testItCapturesPathParams(): void
    {
        $router = new Router();
        $router->add('GET', '/scenarios/{id}/edit', static function (Request $request, array $params): Response {
            return Response::html(200, 'id=' . $params['id']);
        });

        $response = $router->dispatch($this->request('GET', '/scenarios/demo/edit'));

        self::assertSame(200, $response->status);
        self::assertSame('id=demo', $response->body);
    }

    public function testItMatchesMoreSpecificRoutesFirstByRegistrationOrder(): void
    {
        $router = new Router();
        $router->add('GET', '/scenarios/{id}', static fn (): Response => Response::html(200, 'any'));
        $router->add('GET', '/scenarios/special', static fn (): Response => Response::html(200, 'special'));

        $response = $router->dispatch($this->request('GET', '/scenarios/special'));

        self::assertSame('any', $response->body);
    }

    private function request(string $method, string $path): Request
    {
        return new Request(
            get: [],
            post: [],
            files: [],
            cookies: [],
            server: [],
            queryString: '',
            method: $method,
            path: $path,
            contentType: null,
            rawBody: '',
        );
    }
}