commit b67fac10bc5cf925776b59f749f46043221f82bf
Author: Kamil Niemczycki <contact@kamilcraft.com>
Date:   Tue Feb 22 19:07:39 2022 +0100

    First commit

diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..c48ef91
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,10 @@
+APP_NAME="KamilCraft.com"
+APP_DEBUG=true
+APP_URL=http://127.0.0.1
+
+DB_CONNECTION=mysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_DATABASE=test
+DB_USERNAME=root
+DB_PASSWORD=
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fad1a04
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.idea
+vendor
+.env
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6fb03a5
--- /dev/null
+++ b/README.md
@@ -0,0 +1,22 @@
+# KamilCraftApi
+
+API for kamilcraft.com projects
+
+## Installation
+
+### Required
+
+* PHP 8.0 or later
+* Composer 2.3.x or later
+
+### Installation of dependencies
+
+```shell
+composer install
+```
+
+## Launching
+
+```shell
+php -S localhost:80 public/index.php
+```
diff --git a/app/Controllers/CategoriesController.php b/app/Controllers/CategoriesController.php
new file mode 100644
index 0000000..4ee4037
--- /dev/null
+++ b/app/Controllers/CategoriesController.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace KamilCraftApi\App\Controllers;
+
+use KamilCraftApi\App\Models\Category;
+use KamilCraftApi\Request\Request;
+use KamilCraftApi\Response;
+
+class CategoriesController extends Controller
+{
+    private Category $category;
+
+    public function __construct(Request $request) {
+        parent::__construct();
+        $this->category = new Category($request);
+    }
+
+    public function showWhereName(string $slug): Response
+    {
+        if ( ! ($category = $this->category->getCategoryWhereName($slug)) ) {
+            return (new Response())->json([
+                'message' => 'Not found category'
+            ], 404);
+        }
+        return (new Response())->json($category);
+    }
+
+    public function show(int $id): Response
+    {
+        if ( ! ($category = $this->category->getCategory($id)) ) {
+            return (new Response())->json([
+                'message' => 'Not found category'
+            ], 404);
+        }
+        return (new Response())->json($category);
+    }
+
+    public function __invoke(): Response
+    {
+        $categories = $this->category;
+        return (new Response())->json($categories());
+    }
+}
diff --git a/app/Controllers/Controller.php b/app/Controllers/Controller.php
new file mode 100644
index 0000000..62d1d3c
--- /dev/null
+++ b/app/Controllers/Controller.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace KamilCraftApi\App\Controllers;
+
+use KamilCraftApi\Interfaces\ControllerInterface;
+use KamilCraftApi\Response;
+
+class Controller implements ControllerInterface
+{
+    private Response $response;
+
+    public function __construct()
+    {
+        $this->response = new Response();
+    }
+
+    protected function response(): Response
+    {
+        return $this->response;
+    }
+}
diff --git a/app/Controllers/HomeController.php b/app/Controllers/HomeController.php
new file mode 100644
index 0000000..9e84c07
--- /dev/null
+++ b/app/Controllers/HomeController.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace KamilCraftApi\App\Controllers;
+
+use KamilCraftApi\Interfaces\ControllerInterface;
+use KamilCraftApi\Request\Request;
+use KamilCraftApi\Response;
+
+class HomeController implements ControllerInterface
+{
+    public function __invoke(Request $request): Response
+    {
+        return (new Response())->json((object)[
+            'message' => 'Hello World'
+        ]);
+    }
+}
diff --git a/app/Controllers/ProjectController.php b/app/Controllers/ProjectController.php
new file mode 100644
index 0000000..0299202
--- /dev/null
+++ b/app/Controllers/ProjectController.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace KamilCraftApi\App\Controllers;
+
+use KamilCraftApi\App\Models\Project;
+use KamilCraftApi\Response;
+
+class ProjectController extends Controller
+{
+    private Project $project;
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->project = new Project();
+    }
+
+    public function showWhereCategory(string $category): Response
+    {
+        $projects = $this->project->getProjectWhereCategory($category);
+        return (new Response())->json($projects);
+    }
+
+    public function show(int $id): Response
+    {
+        if ( ! ($project = $this->project->getProject($id)) ) {
+            return (new Response())->json([
+                'message' => 'Not found project'
+            ], 404);
+        }
+        return (new Response())->json($project);
+    }
+
+    public function __invoke(): Response
+    {
+        $projects = $this->project;
+        return (new Response())->json($projects());
+    }
+}
diff --git a/app/Models/Category.php b/app/Models/Category.php
new file mode 100644
index 0000000..49bef00
--- /dev/null
+++ b/app/Models/Category.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace KamilCraftApi\App\Models;
+
+use KamilCraftApi\Request\Request;
+use KamilCraftApi\Response;
+use stdClass;
+
+class Category
+{
+    const JSON_PATH = ROOT_PATH . 'resources/json';
+    private array $allCategory = [];
+
+    public function __construct(
+        private Request $request
+    ) {
+        $categories = file_get_contents(self::JSON_PATH . '/Categories.json');
+        if ( $category = json_decode($categories) ) {
+            $this->allCategory = $category;
+        } else {
+            $this->parseError();
+        }
+    }
+
+    public function getCategoryWhereName(string $slug): object|bool
+    {
+        if ( ( $key = array_search($slug, array_column($this->allCategory, 'slug') ) ) !== false ) {
+            $category = $this->allCategory[$key];
+            $category->default = $category->default ?? false;
+            $category->visible = $category->visible ?? true;
+            return $category;
+        }
+        return false;
+    }
+
+    public function getCategory(int $id): object|bool
+    {
+        if ( ( $key = array_search($id, array_column($this->allCategory, 'id') ) ) !== false ) {
+            $category = $this->allCategory[$key];
+            $category->default = $category->default ?? false;
+            $category->visible = $category->visible ?? true;
+            return $category;
+        }
+        return false;
+    }
+
+    private function parseError(): void
+    {
+        if ( $this->request->getContentType() === 'application/json' ) {
+            (new Response())->json((object)[
+                'message' => 'Server error'
+            ], 500)->render();
+        } else {
+            (new Response())(
+                file_get_contents(ROOT_PATH . '/errors/error500.html'),
+                500
+            )->render();
+        }
+        exit;
+    }
+
+    public function __invoke(): array
+    {
+        $tmp_categories = [];
+        foreach ($this->allCategory as $category) {
+            $tmp_category = new stdClass;
+            $tmp_category->id = $category->id;
+            $tmp_category->name = $category->name;
+            $tmp_category->slug = $category->slug;
+            $tmp_category->default = $category->default ?? false;
+            $tmp_category->visible = $category->visible ?? true;
+
+            $tmp_categories[] = $tmp_category;
+        }
+
+        return $tmp_categories;
+    }
+}
diff --git a/app/Models/Project.php b/app/Models/Project.php
new file mode 100644
index 0000000..934401c
--- /dev/null
+++ b/app/Models/Project.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace KamilCraftApi\App\Models;
+
+use stdClass;
+
+class Project
+{
+    const JSON_PATH = ROOT_PATH . 'resources/json';
+    const SHORT_PROJECT = [
+        'id',
+        'title',
+        'image',
+        'categories',
+        'version'
+    ];
+    private array $allProjects = [];
+
+    public function __construct()
+    {
+        $projects = file_get_contents(self::JSON_PATH . '/Projects.json');
+        if ( $projects = json_decode($projects) ) {
+            $this->allProjects = $projects;
+        }
+    }
+
+    public function getProject(int $id): object|bool
+    {
+        if ( ( $key = array_search($id, array_column($this->allProjects, 'id')) ) !== false ) {
+            return $this->allProjects[$key];
+        }
+        return false;
+    }
+
+    public function getProjectWhereCategory(string $category): array
+    {
+        $listWhereCategory = [];
+        foreach ( array_column($this->allProjects, 'categories') as $key => $value ) {
+            if ( in_array($category, $value) ) {
+                $listWhereCategory[] = $this->shortProjectSchema($this->allProjects[$key]);
+            }
+        }
+        return $listWhereCategory;
+    }
+
+    private function shortProjectSchema(object $project): object
+    {
+        $tmp_project = new stdClass;
+        foreach ($project as $key => $value) {
+            if ( in_array($key, self::SHORT_PROJECT) ) {
+                $tmp_project->{$key} = $value;
+            }
+        }
+        $tmp_project->short_description = substr(
+            explode("\n", $project->description)[0],
+            0,
+            255
+        );
+
+        return $tmp_project;
+    }
+
+    public function __invoke(): array
+    {
+        $arr_map = [];
+        foreach ($this->allProjects as $project) {
+            $arr_map[] = $this->shortProjectSchema($project);
+        }
+
+        return $arr_map;
+    }
+}
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..a5ae985
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,25 @@
+{
+    "name": "kamilniemczycki/kamilcraft-api",
+    "description": "Api for kamilcraft.com",
+    "keywords": ["kamilcraft", "api"],
+    "license": "MIT",
+    "type": "project",
+    "authors": [
+        {
+            "name": "Kamil Niemczycki",
+            "email": "contact@kamilcraft.com"
+        }
+    ],
+    "minimum-stability": "dev",
+	"prefer-stable": true,
+    "require": {
+		"php": "^8.0",
+        "symfony/dotenv": "5.3.7"
+    },
+	"autoload": {
+        "psr-4": {
+            "KamilCraftApi\\": "src/",
+            "KamilCraftApi\\App\\": "app/"
+        }
+    }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..4333ca5
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,158 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "a90b92d03b08e514cb09f27c75280b4c",
+    "packages": [
+        {
+            "name": "symfony/deprecation-contracts",
+            "version": "v2.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/deprecation-contracts.git",
+                "reference": "5f38c8804a9e97d23e0c8d63341088cd8a22d627"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/5f38c8804a9e97d23e0c8d63341088cd8a22d627",
+                "reference": "5f38c8804a9e97d23e0c8d63341088cd8a22d627",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "2.4-dev"
+                },
+                "thanks": {
+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "function.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A generic function and convention to trigger deprecation notices",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.4.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-03-23T23:28:01+00:00"
+        },
+        {
+            "name": "symfony/dotenv",
+            "version": "v5.3.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/dotenv.git",
+                "reference": "99a18c2e23f4d901c36cea2012f9f1a8e25e99e4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/dotenv/zipball/99a18c2e23f4d901c36cea2012f9f1a8e25e99e4",
+                "reference": "99a18c2e23f4d901c36cea2012f9f1a8e25e99e4",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "symfony/deprecation-contracts": "^2.1"
+            },
+            "require-dev": {
+                "symfony/process": "^4.4|^5.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Dotenv\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Registers environment variables from a .env file",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "dotenv",
+                "env",
+                "environment"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/dotenv/tree/v5.3.7"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-07-02T16:35:09+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "dev",
+    "stability-flags": [],
+    "prefer-stable": true,
+    "prefer-lowest": false,
+    "platform": {
+        "php": "^8.0"
+    },
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
+}
diff --git a/errors/error400.html b/errors/error400.html
new file mode 100644
index 0000000..bbd91b1
--- /dev/null
+++ b/errors/error400.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="pl">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Błąd 400</title>
+</head>
+<body>
+    <h1>Błąd 400</h1>
+    <p>Niepoprawne zapytanie!</p>
+</body>
+</html>
\ No newline at end of file
diff --git a/errors/error404.html b/errors/error404.html
new file mode 100644
index 0000000..917309f
--- /dev/null
+++ b/errors/error404.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="pl">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Błąd 404</title>
+</head>
+<body>
+    <h1>Błąd 404</h1>
+    <p>Nie znaleziono szukanej strony!</p>
+</body>
+</html>
\ No newline at end of file
diff --git a/errors/error500.html b/errors/error500.html
new file mode 100644
index 0000000..46ce21d
--- /dev/null
+++ b/errors/error500.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="pl">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Błąd 500</title>
+</head>
+<body>
+    <h1>Błąd 500</h1>
+    <p>Wystąpił wewnętrzny błąd serwera!</p>
+</body>
+</html>
\ No newline at end of file
diff --git a/public/index.php b/public/index.php
new file mode 100644
index 0000000..db191e0
--- /dev/null
+++ b/public/index.php
@@ -0,0 +1,10 @@
+<?php
+
+const ROOT_PATH = __DIR__ . '/../';
+
+use KamilCraftApi\Application;
+
+require ROOT_PATH . 'vendor/autoload.php';
+
+$app = new Application(ROOT_PATH . '.env');
+$app->run();
diff --git a/resources/json/Categories.json b/resources/json/Categories.json
new file mode 100644
index 0000000..4b11eed
--- /dev/null
+++ b/resources/json/Categories.json
@@ -0,0 +1,24 @@
+[
+  {
+    "id": 1,
+    "name": "Wszystkie",
+    "slug": "all",
+    "default": true
+  },
+  {
+    "id": 3,
+    "name": "Prywatne",
+    "slug": "private"
+  },
+  {
+    "id": 4,
+    "name": "Zlecenie",
+    "slug": "custom"
+  },
+  {
+    "id": 5,
+    "name": "Wybrane",
+    "slug": "selected",
+    "visible": false
+  }
+]
\ No newline at end of file
diff --git a/resources/json/Projects.json b/resources/json/Projects.json
new file mode 100644
index 0000000..9d3d591
--- /dev/null
+++ b/resources/json/Projects.json
@@ -0,0 +1,24 @@
+[
+  {
+    "id": 1,
+    "title": "Memstacja.pl",
+    "categories": ["selected", "private"],
+    "author": "Kamil Niemczycki",
+    "image": "assets/img/projects/kamilcraft.jpg",
+    "release_data": "28 sierpnia 2021",
+    "project_url": "https://memstacja.pl",
+    "version": "v1.4.9",
+    "description": "Memstacja.pl jest to strona z memami. Umożliwia dodanie własnego mema przez panel administracyjny, nadanie tagów i opisu. Użytkownicy mogą głosować przy użyciu serduszek, mając wpływ na pozycję danego mema na liście polecanych i TOP 10."
+  },
+  {
+    "id": 2,
+    "title": "edwardgoff-art.co.uk",
+    "categories": ["selected", "custom"],
+    "author": "Kamil Niemczycki",
+    "image": "assets/img/projects/edward.jpg",
+    "release_data": "25 sierpnia 2021",
+    "project_url": "https://edwardgoff-art.co.uk",
+    "version": "v1.1.4",
+    "description": "Strona jest wizytówką autora i galerią jego prac. Strona umożliwa tworzenie, a także dodawanie zdjęć i opisów dla utworzonych galerii."
+  }
+]
\ No newline at end of file
diff --git a/router.php b/router.php
new file mode 100644
index 0000000..587fda2
--- /dev/null
+++ b/router.php
@@ -0,0 +1,32 @@
+<?php
+
+use KamilCraftApi\Router\Router;
+use KamilCraftApi\App\Controllers\HomeController;
+use KamilCraftApi\App\Controllers\ProjectController;
+use KamilCraftApi\App\Controllers\CategoriesController;
+
+$router = new Router;
+
+$router
+    ->get('/', HomeController::class)
+    ->name('home');
+$router
+    ->get('/projects', ProjectController::class)
+    ->name('projects');
+$router
+    ->get('/projects/:id', ProjectController::class .'@show')
+    ->name('projects.show');
+$router
+    ->get('/projects/category/:category', ProjectController::class .'@showWhereCategory')
+    ->name('projects.category.show');
+$router
+    ->get('/categories', CategoriesController::class)
+    ->name('categories');
+$router
+    ->get('/categories/:id', CategoriesController::class .'@show')
+    ->name('categories.show');
+$router
+    ->get('/categories_name/:slug', CategoriesController::class .'@showWhereName')
+    ->name('categories.name.show');
+
+return $router;
diff --git a/src/Application.php b/src/Application.php
new file mode 100644
index 0000000..77d0de2
--- /dev/null
+++ b/src/Application.php
@@ -0,0 +1,175 @@
+<?php
+
+namespace KamilCraftApi;
+
+use Exception;
+use KamilCraftApi\Exceptions\ApplicationException;
+use KamilCraftApi\Interfaces\ControllerInterface;
+use KamilCraftApi\Interfaces\RenderInterface;
+use KamilCraftApi\Request\Request;
+use KamilCraftApi\Router\Router;
+use KamilCraftApi\Router\RouterElement;
+use ReflectionClass;
+use ReflectionException;
+use ReflectionMethod;
+use ReflectionNamedType;
+use stdClass;
+
+class Application
+{
+    protected Request $request;
+    protected Router $router;
+    protected ?RouterElement $selectedRouterElement;
+    protected string $controller = '';
+
+    public function __construct(
+        protected string $envFileConfig
+    ) {
+        $this->request = new Request($_SERVER);
+        $this->router = new Router($this->request);
+    }
+
+    public function getRequest(): Request
+    {
+        return $this->request;
+    }
+
+    public function getRouter(): Router
+    {
+        return $this->router;
+    }
+
+    /**
+     * @throws Exception
+     */
+    private function checkParameters(array $controller)
+    {
+        try {
+            $methodParameters = (new ReflectionMethod($controller[0], $controller[1]))->getParameters();
+            foreach ($methodParameters as $parameter) {
+                if (($type = $parameter->getType()) instanceof ReflectionNamedType) {
+                    if (
+                        $type->getName() === 'int' &&
+                        isset($this->selectedRouterElement->getAttributes()[$parameter->getName()]) &&
+                        !is_numeric($this->selectedRouterElement->getAttributes()[$parameter->getName()])
+                    ) {
+                        throw new Exception('Error type of attribute');
+                    }
+                }
+            }
+        } catch (Exception $e) {
+            throw new Exception($e->getMessage());
+        }
+    }
+
+    private function selectController()
+    {
+        $controller = explode('@', $this->controller);
+        $controller[1] = $controller[1] ?? '__invoke';
+        try {
+            if (! class_exists($controller[0]) ) {
+                throw new ApplicationException('Class not exists');
+            }
+            if (! method_exists($controller[0], $controller[1]) ) {
+                throw new ApplicationException('Method not exists');
+            }
+            $this->checkParameters($controller);
+
+            $classController = $this->createClass($controller[0]);
+            $loadedController = $this->createMethod($classController, $controller[1]);
+            $this->responseRender($loadedController);
+        } catch (ApplicationException $e) {
+            if ( $this->request->getContentType() === 'application/json' ) {
+                (new Response())->json((object)[
+                    'message' => 'Server error'
+                ], 500)->render();
+            } else {
+                (new Response())(
+                    file_get_contents(ROOT_PATH . 'errors/error500.html'), 500
+                )->render();
+            }
+        } catch (Exception $e) {
+            if ( $this->request->getContentType() === 'application/json' ) {
+                (new Response())->json((object)[
+                    'message' => 'Invalid request'
+                ], 400)->render();
+            } else {
+                (new Response())(
+                    file_get_contents(ROOT_PATH . 'errors/error400.html'), 400
+                )->render();
+            }
+        }
+    }
+
+    public function run(): void
+    {
+        $this->router = require ROOT_PATH . 'router.php';
+
+        if ( ! $this->router->requestIsAdded() ) {
+            $this->router->setRequest($this->request);
+        }
+
+        $selected = $this->getRouter()->selectRouter();
+
+        if ( $selected ) {
+            $this->controller = $selected->controller;
+            $this->selectedRouterElement = $selected;
+            $this->selectController();
+        } else {
+            if ( $this->request->getContentType() === 'application/json' ) {
+                (new Response())->json((object)[
+                    'message' => 'Not found'
+                ], 404)->render();
+            } else {
+                (new Response())(
+                    file_get_contents(ROOT_PATH . 'errors/error404.html'), 404
+                )->render();
+            }
+        }
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    private function createClass(string $className): ControllerInterface|stdClass
+    {
+        $parameters = [];
+        if ( $classReflection = (new ReflectionClass($className))->getConstructor() ) {
+            foreach ($classReflection->getParameters() as $parameter) {
+                if (
+                    $parameter->getType() instanceof ReflectionNamedType &&
+                    $parameter->getType()->getName() === Request::class
+                ) {
+                    $parameters[$parameter->getName()] = $this->request;
+                }
+            }
+        }
+        return new $className(...$parameters);
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    private function createMethod(ControllerInterface|stdClass $controller, string $methodName): mixed
+    {
+        $reflectionMethod = new ReflectionMethod($controller, $methodName);
+        $parameters = $this->selectedRouterElement->getAttributes();
+        foreach ( $reflectionMethod->getParameters() as $parameter ) {
+            if (
+                $parameter->getType() instanceof ReflectionNamedType &&
+                $parameter->getType()->getName() === Request::class
+            ) {
+                $parameters[$parameter->getName()] = $this->request;
+            }
+        }
+        return call_user_func_array([$controller, $methodName], $parameters);
+    }
+
+    private function responseRender($loadedController): void
+    {
+        if($loadedController instanceof RenderInterface) {
+            $loadedController->render();
+            exit;
+        }
+    }
+}
diff --git a/src/Exceptions/ApplicationException.php b/src/Exceptions/ApplicationException.php
new file mode 100644
index 0000000..6e5e8ef
--- /dev/null
+++ b/src/Exceptions/ApplicationException.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace KamilCraftApi\Exceptions;
+
+use Exception;
+
+class ApplicationException extends Exception
+{}
diff --git a/src/Interfaces/ControllerInterface.php b/src/Interfaces/ControllerInterface.php
new file mode 100644
index 0000000..bb4805a
--- /dev/null
+++ b/src/Interfaces/ControllerInterface.php
@@ -0,0 +1,6 @@
+<?php
+
+namespace KamilCraftApi\Interfaces;
+
+interface ControllerInterface
+{}
diff --git a/src/Interfaces/RenderInterface.php b/src/Interfaces/RenderInterface.php
new file mode 100644
index 0000000..66c8fbd
--- /dev/null
+++ b/src/Interfaces/RenderInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace KamilCraftApi\Interfaces;
+
+interface RenderInterface
+{
+    public function render(): void;
+}
diff --git a/src/Request/Request.php b/src/Request/Request.php
new file mode 100644
index 0000000..ee19991
--- /dev/null
+++ b/src/Request/Request.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace KamilCraftApi\Request;
+
+class Request
+{
+    protected array $request = [
+        'method' => '',
+        'uri' => '',
+        'attributes' => [],
+        'content_type' => ''
+    ];
+    protected array $uri_root = [];
+
+    public function __construct(
+        protected array $request_data
+    )
+    {
+        $this->request['method'] = $this->request_data['REQUEST_METHOD'];
+        $this->request['uri'] = explode('?', $this->request_data['REQUEST_URI'])[0];
+
+        $this->setAttributes();
+        $this->setContentType();
+        $this->createUriRoot($this->getUri());
+    }
+
+    public function getMethod(): string
+    {
+        return $this->request['method'];
+    }
+
+    public function getUri(): string
+    {
+        return $this->request['uri'];
+    }
+
+    public function getAttributes(): RequestData
+    {
+        return $this->request['attributes'];
+    }
+
+    public function getUriRoot(): array
+    {
+        return $this->uri_root;
+    }
+
+    private function setAttributes()
+    {
+        $requestData = new RequestData();
+        $this->setGetAttributes($requestData);
+        $this->setPostAttributes($requestData);
+        $this->request['attributes'] = $requestData;
+    }
+
+    private function setGetAttributes(RequestData $requestData)
+    {
+        foreach ( $_GET ?? [] as $name => $value ) {
+            $requestData->add('get', [ 'name' => $name, 'value' => $this->valueParser($value) ]);
+        }
+    }
+
+    private function setPostAttributes(RequestData $requestData)
+    {
+        foreach ( $_POST ?? [] as $name => $value ) {
+            $requestData->add('post', [ 'name' => $name, 'value' => $this->valueParser($value) ]);
+        }
+    }
+
+    private function valueParser(string $value): string|int|null
+    {
+        $value = is_numeric($value) ? (int)$value : $value;
+        return empty($value) ? null : $value;
+    }
+
+    private function setContentType()
+    {
+        $this->request['content_type'] =
+            $this->request_data['HTTP_CONTENT_TYPE'] ??
+            $this->request_data['CONTENT_TYPE'] ??
+            'GET';
+    }
+
+    public function getContentType()
+    {
+        return $this->request['content_type'];
+    }
+
+    private function createUriRoot(string $uri): void
+    {
+        foreach (explode('/', $uri) as $uri_root_element) {
+            if ( is_numeric($uri_root_element) || !empty($uri_root_element) ) {
+                $this->uri_root[] = $uri_root_element;
+            }
+        }
+    }
+}
diff --git a/src/Request/RequestData.php b/src/Request/RequestData.php
new file mode 100644
index 0000000..a6a258f
--- /dev/null
+++ b/src/Request/RequestData.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace KamilCraftApi\Request;
+
+class RequestData
+{
+    protected array $data = [
+        'get' => [],
+        'post' => [],
+        'json' => [],
+        'other' => []
+    ];
+
+    public function add(string $type, array $data = []): void
+    {
+        if ( array_key_exists($type, $this->data) ) {
+            array_push($this->data[$type], $data);
+        } else {
+            array_push($this->data['other'], $data);
+        }
+    }
+
+    public function get(string $type, string $name): array|null
+    {
+        $key = array_search($name, array_column($this->data[$type], 'name'));
+
+        return $this->data[$type][$key] ?? null;
+    }
+}
diff --git a/src/Response.php b/src/Response.php
new file mode 100644
index 0000000..ad0c630
--- /dev/null
+++ b/src/Response.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace KamilCraftApi;
+
+use KamilCraftApi\Interfaces\RenderInterface;
+
+class Response implements RenderInterface
+{
+    protected int $http_code = 200;
+    protected string $content_type = 'text/html';
+    protected string $body_content = '';
+
+    public function __construct(
+        protected string $charset = 'utf-8'
+    )
+    {}
+
+    public function json(object|array $response, int $http_code = 200): Response
+    {
+        $this->http_code = $http_code;
+        $this->content_type = 'application/json';
+        $this->body_content = json_encode($response);
+
+        return $this;
+    }
+
+    private function html(string $body_content = '', int $http_code = 200): Response
+    {
+        $this->http_code = $http_code;
+        $this->content_type = 'text/html';
+        $this->body_content = $body_content;
+
+        return $this;
+    }
+
+    private function responseHeader(): void
+    {
+        http_response_code($this->http_code);
+        header('Content-Type: '. $this->content_type .'; charset='. $this->charset);
+    }
+
+    public function render(): void
+    {
+        $this->responseHeader();
+        echo $this->body_content;
+    }
+
+    public function __invoke(string $body_content = '', int $http_code = 200): Response
+    {
+        return $this->html($body_content, $http_code);
+    }
+}
diff --git a/src/Router/Router.php b/src/Router/Router.php
new file mode 100644
index 0000000..434532f
--- /dev/null
+++ b/src/Router/Router.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace KamilCraftApi\Router;
+
+use KamilCraftApi\Request\Request;
+
+/**
+ * @method RouterElement|null get(string $uri, string $controller, array $attributes = [])
+ * @method RouterElement|null post(string $uri, string $controller, array $attributes = [])
+ * @method RouterElement|null put(string $uri, string $controller, array $attributes = [])
+ * @method RouterElement|null path(string $uri, string $controller, array $attributes = [])
+ * @method RouterElement|null delete(string $uri, string $controller, array $attributes = [])
+ */
+
+class Router
+{
+    const METHODS = [
+        'get',
+        'post',
+        'put',
+        'path',
+        'delete'
+    ];
+    protected ?RouterCollection $routerCollection;
+
+    public function __construct(
+        protected ?Request $request = null
+    )
+    {
+        $this->routerCollection = new RouterCollection();
+    }
+
+    public function setRequest(Request $request): void
+    {
+        $this->request = $request;
+    }
+
+    public function requestIsAdded(): bool
+    {
+        return isset($this->request);
+    }
+
+    public function selectRouter(): RouterElement|null
+    {
+        return $this->routerCollection->findUri($this->request->getUriRoot(), $this->request);
+    }
+
+    private function addToCollection(
+        string $method,
+        string $uri,
+        string $controller,
+        array $attributes = []
+    ): RouterElement
+    {
+        $routerElement = new RouterElement($method, $uri, $controller, $attributes);
+        $this->routerCollection->add($routerElement);
+
+        return $routerElement;
+    }
+
+    public function __call(
+        string $name,
+        array $arguments
+    ): RouterElement|null
+    {
+        if ( in_array($name, self::METHODS, true) ) {
+            $args = array_merge([$name], $arguments);
+            return call_user_func_array([$this, 'addToCollection'], $args);
+        }
+
+        return null;
+    }
+}
diff --git a/src/Router/RouterCollection.php b/src/Router/RouterCollection.php
new file mode 100644
index 0000000..6564022
--- /dev/null
+++ b/src/Router/RouterCollection.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace KamilCraftApi\Router;
+
+use KamilCraftApi\Request\Request;
+
+class RouterCollection
+{
+    private array $collection;
+
+    public function add(RouterElement $routerElement): void
+    {
+        $this->collection[] = $routerElement;
+    }
+
+    /**
+     * @return array<RouterElement>|null
+     */
+    public function getAll(): array|null
+    {
+        return $this->collection ?? null;
+    }
+
+    public function findUri(array $request_uri_root, Request $request): RouterElement|null
+    {
+        foreach ($this->getAll() as $routerElement) {
+            /** @var RouterElement $routerElement */
+            if (
+                $routerElement->itsMe($request_uri_root) &&
+                $routerElement->method_request === strtolower($request->getMethod())
+            ) {
+                return $routerElement;
+            }
+        }
+
+        return null;
+    }
+
+    public function get(string $name): RouterElement|null
+    {
+        foreach ( $this->collection as $routeElement ) {
+            /** @var RouterElement $routeElement */
+            if ( $routeElement->name === $name ) {
+                return $routeElement;
+            }
+        }
+        return null;
+    }
+}
diff --git a/src/Router/RouterElement.php b/src/Router/RouterElement.php
new file mode 100644
index 0000000..e0bb985
--- /dev/null
+++ b/src/Router/RouterElement.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace KamilCraftApi\Router;
+
+class RouterElement
+{
+    public string $name;
+    private array $uri_root = [];
+
+    public function __construct(
+        public string $method_request,
+        public string $uri,
+        public string $controller,
+        public array $attributes = []
+    )
+    {
+        $this->createUriRoot($uri);
+    }
+
+    public function name(string $name)
+    {
+        $this->name = $name;
+    }
+
+    public function getUriRoot(): array
+    {
+        return $this->uri_root;
+    }
+
+    public function addAttributes(array $attributes): void
+    {
+        $this->attributes = array_merge($this->attributes, $attributes);
+    }
+
+    public function getAttributes(): array
+    {
+        return $this->attributes;
+    }
+
+    public function itsMe(array $request_root = []): bool
+    {
+        if ( count($request_root) !== count($this->getUriRoot()) ) {
+            return false;
+        }
+        $ok = 0;
+        $tmpAttributes = [];
+        foreach ( $request_root as $key => $root_element ) {
+            $localRootElement = $this->getUriRoot()[$key];
+            if ( $root_element === $localRootElement ) {
+                $ok++;
+            } else if ( preg_match('/^:[_a-zA-Z\-]+/i', $localRootElement) ) {
+                $arrayKey = explode(':', $localRootElement)[1];
+                if ( $arrayKey ) {
+                    $tmpAttributes[$arrayKey] = $root_element;
+                }
+                $ok++;
+            } else {
+                $tmpAttributes = [];
+            }
+        }
+
+        if ( count($request_root) === $ok ) {
+            $this->addAttributes($tmpAttributes);
+            return true;
+        }
+
+        return false;
+    }
+
+    private function createUriRoot(string $uri): void
+    {
+        foreach (explode('/', $uri) as $uri_root_element) {
+            if ( is_numeric($uri_root_element) || !empty($uri_root_element) ) {
+                $this->uri_root[] = $uri_root_element;
+            }
+        }
+    }
+}