<?php

namespace Framework;

use ReflectionMethod;
use ReflectionClass;

class Dispatcher {
    public function __construct(private Router $router) { }

    public function handle(string $path) {
        $params = $this->router->match($path);

        if($params === false) {
            exit("No routes matched");
        }

        $controller = "App\Controllers\\" . ucwords($params["controller"]);
        $action = $params["action"];

        $controller = $this->getControllerName($params);

        $reflector = new ReflectionClass($controller);
        $contructor = $reflector->getConstructor();
        
        if($contructor !== null) {
            foreach($contructor->getParameters() as $param) {
                $type = (string) $param->getType();
                $dependencies[] = new $type;
            }
        }
        $controller_object = new $controller(...$dependencies);

        $args = $this->getActionArguments($controller, $action, $params);

        $controller_object->$action(...$args);
    }

    private function getActionArguments(string $controller, string $action, array $params = []): array {
        $args = [];
        $method = new ReflectionMethod($controller, $action);
        foreach($method->getParameters() as $parameter) {

            $name = $parameter->getName();
            $args[$name] = $params[$name];
        }

        return($args);
    }

    private function getControllerName(array $params): string {
        $controller = $params["controller"];
        $controller = str_replace("-", "", ucwords(strtolower($controller), "-"));
        $namespace = "App\Controllers";

        if(array_key_exists("namespace", $params)) {
            $namespace .= "\\" . $params["namespace"];
        }

        return $namespace . "\\" . $controller;

    }
}