Refactor API structure: update internal handling, enhance input retrieval, and improve template loading

public/main.php

@@ -12,7 +12,7 @@ class gb {
         define("APP_DOMAIN", $_SERVER["SERVER_NAME"]);
         define("APP_PATH", __DIR__ . "/../");
         define("FRONTEND_PATH", __DIR__ . "/");
-        define("API_PATH", __DIR__ . "/../api/");
+        define("API_DIR", __DIR__ . "/../api/");
         define("TEMPLATE_PATH", FRONTEND_PATH . "templates/");
         define("TEMPLATE_CONF", TEMPLATE_PATH . "templates.json");
         
@@ -28,29 +28,30 @@ class gb {
         $html = new HTMLLoader();
 
         // Set template to Setup an show it
-        $html->setTemplate("setup");
-        $html->show();
+        $html->setTemplate("standard");
+        $html->setPage("setup");
+        $html->show([], false);
     }
 }
 
 
 // Internal API Call Library
 class APICall {
-    private $response;
+    public $response;
     private $error;
 
-    function __construct($path, $data) {
+    function __construct($path, $data = []) {
         // Set $internal to true so the api return does not go to the browser
         $internal = true;
 
         // Check Path
-        if (!is_file(API_PATH . $path)) {
+        if (!is_file(API_DIR . $path)) {
             $this->error("API Path invalid.");
             return false;
         }
 
         // Call API
-        require API_PATH . $path;
+        require API_DIR . $path;
         
         // Get return from the API Library
         $response = $api->getAnswer();