<?php
header("Access-Control-Allow-Origin: *");
header('Content-Type: multipart/form-data; charset=UTF-8');

require_once("repositories/UserRepository.php");
require_once("constants.php");

$servername = "localhost";
$username = "smartcharging";
$password = "LXRLBaEAuRr7M7jY";

$conn;
$risposta = array();
$user_repo;

try {
    $conn = new PDO("mysql:host=".DB_SERVERNAME.";dbname=".DB_NAME, DB_USERNAME, DB_PASSWORD);
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    //echo "Connesso con successo al DB";

    if (!array_key_exists("user_id", $_POST) || !array_key_exists("avatar_name", $_POST)) {
        $risposta = createErrorMessage(1, "Parametro \"user_id\" o \"avatar_name\" non valido o presente");
        //$risposta["return"] = 1;
        $risposta["avatar_name"] = "";
        echo json_encode($risposta);
        die();
    }

    //if (!array_key_exists("token", $_POST) || !UserRepository::checkToken($_POST["token"], $conn)) {
    if (!array_key_exists("token", $_POST) || $_POST["token"] === "" ||
            !UserRepository::checkUserByToken($_POST["user_id"], $_POST["token"], $conn) ||
            !UserRepository::checkAdminByToken($_POST["token"], $conn)) {
        $risposta = createErrorMessage(-1, "Token non valido");
        //$risposta["return"] = -1;
        echo json_encode($risposta);
        die();
    }

    if(isset($_FILES['avatar_file']) && !is_null($_FILES['avatar_file']) && $_FILES['avatar_file'] != "")
    {
        $file = $_FILES['avatar_file'];
        if($file['error'] == UPLOAD_ERR_OK and is_uploaded_file($file['tmp_name']))
        {
            move_uploaded_file($file['tmp_name'], $_SERVER['DOCUMENT_ROOT'].AVATAR_PATH.$_POST["avatar_name"]);
        }
    }

	$user_repo = new UserRepository($conn);
    $risposta = $user_repo->setAvatar($_POST["user_id"], $_POST["avatar_name"]);

    }
	catch(PDOException $e)
    {
   		echo $e->getMessage();
        $risposta = createErrorMessage(1, "Errore DB");
   		//$risposta["return"] = 1;
        $risposta["avatar_name"] = "";
    }

    echo json_encode($risposta);
	$conn = null; //Close the connection to the DBMS

?>