<?php

namespace lib\Core;

class App
{
  private ?Controller $_controller = null;
  private $_method = null;
  public function __construct(string $url)
  {
    // URL에서 호스트 뒤의 경로를 가져옴
    $path = parse_url($url, PHP_URL_PATH);
    // 슬래시(`/`)를 기준으로 분할
    $arguments = explode('/', trim($path, '/'));
    //Controller 추출
    if (isset($arguments[0])) {
      $route = "";
      switch ($arguments[0]) {
        case 'new':
          $route = "SiteController";
          break;
        default:
          $route = $arguments[0];
          break;
      }
      $control = "lib\\Controllers\\" . $route;
      $this->_controller = new $control();
    }
    //Method추출
    if (isset($arguments[1])) {
      $route = "";
      switch ($arguments[1]) {
        case 'service':
          $route = "newservices";
          break;
        case 'history':
          $route = "newhistorys";
          break;
        default:
          $route = $arguments[1];
          break;
      }
      $this->_method = $route;
    }
    //세그먼트 추출
    $segments = [];
    if (count($arguments) > 2) {
      $isKey = true;
      $key   = "";
      foreach (array_slice($arguments, 2) as $argument) {
        if ($isKey) {
          $segments[$argument] = null;
          $key                 = $argument;
          $isKey               = false; //Value값을 넣어야하므로
        } else {
          $segments[$key] = $argument;
          $isKey                 = true; //Key로 설정해야하므로
        }
      }
    }
    $this->_controller->setSegments($segments);
  } //

  final public function getController(): Controller
  {
    if ($this->_controller === null) {
      throw new \Exception("Method 사용법 : 'http://test.com/Control/Method/arg1/arg2' 혹은 php index.php Control/Method/arg1/arg2");
    }
    return $this->_controller;
  }
  final public function getMethod(): string
  {
    if ($this->_method === null) {
      throw new \Exception("Method 사용법 : 'http://test.com/Control/Method/arg1/arg2' 혹은 php index.php Control/Method/arg1/arg2");
    }
    return $this->_method;
  }
} //Class