<?php

namespace Tests;

use App\Core\Router;

/**
 * Router test cases
 */
class RouterTest extends TestCase
{
    private Router $router;

    protected function setUp(): void
    {
        parent::setUp();
        $this->router = new Router();
    }

    public function testCanRegisterGetRoute(): void
    {
        $this->router->get('/test', 'TestController@index');

        $routes = $this->router->getRoutes();
        $this->assertArrayHasKey('GET', $routes);
        $this->assertCount(1, $routes['GET']);
    }

    public function testCanRegisterPostRoute(): void
    {
        $this->router->post('/test', 'TestController@store');

        $routes = $this->router->getRoutes();
        $this->assertArrayHasKey('POST', $routes);
        $this->assertCount(1, $routes['POST']);
    }

    public function testCanMatchSimpleRoute(): void
    {
        $this->router->get('/test', 'TestController@index');

        $route = $this->router->match('GET', '/test');

        $this->assertNotNull($route);
        $this->assertEquals('TestController@index', $route['handler']);
    }

    public function testCanMatchRouteWithParameters(): void
    {
        $this->router->get('/users/{id}', 'UserController@show');

        $route = $this->router->match('GET', '/users/123');

        $this->assertNotNull($route);
        $this->assertEquals('UserController@show', $route['handler']);
        $this->assertEquals('123', $route['params']['id']);
    }

    public function testReturnsNullForNonMatchingRoute(): void
    {
        $this->router->get('/test', 'TestController@index');

        $route = $this->router->match('GET', '/nonexistent');

        $this->assertNull($route);
    }

    public function testCanMatchMultipleRoutes(): void
    {
        $this->router->get('/users', 'UserController@index');
        $this->router->get('/users/{id}', 'UserController@show');
        $this->router->post('/users', 'UserController@store');

        $indexRoute = $this->router->match('GET', '/users');
        $showRoute = $this->router->match('GET', '/users/123');
        $storeRoute = $this->router->match('POST', '/users');

        $this->assertNotNull($indexRoute);
        $this->assertNotNull($showRoute);
        $this->assertNotNull($storeRoute);

        $this->assertEquals('UserController@index', $indexRoute['handler']);
        $this->assertEquals('UserController@show', $showRoute['handler']);
        $this->assertEquals('UserController@store', $storeRoute['handler']);
    }
}