<?php
    error_reporting('E_ALL');

    include "classes/userRequest.class.php";
    include "classes/Image.class.php";

    Class Main
    {
        private $path = Array();
        private $folders = Array('320','480');
        
        public function __construct($param) {
            //  User dimension and image request
            $UserRequest = New UserRequest($param);
            $this->path = $UserRequest->parse();

            $this->exec();
        }

        private function exec() {
            //  Look for image on source folder
            $image_path = $this->imageSearch();

            //  Image process
            $image = New Image($image_path);

            //  Source Image Dimensions
            $image->imageDimensions();

            //  Resize base on user params
            $new_dimensions = $image->imageAspectRatio($this->path);
            
            //  Show image
            $image->show($new_dimensions);
        }

        private function imageSearch() {
            if(
                isset($this->path['width']) &&
                in_array($this->path['width'],$this->folders) &&
                file_exists($image = "source/{$this->path['width']}/{$this->path['imageName']}")
            ) {
                return $image;
            } else {
                if(file_exists($image = "source/default/{$this->path['imageName']}")) {
                    return $image;
                }
            }
        }
    }


    $main = New Main($_GET['data']);