<?php
require_once("function.php");
if (session_status() == PHP_SESSION_NONE) {
    session_start();
}

$emailPatern = '/^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/';
$pwPatern = '/^[a-z]{8,16}$/';
$loginPatern = '/^[a-z]{8,16}$/';
$datePatern = '/^\d{4}[\/\-](?:\d{1}|1[012]|0\d)[\/\-](?:\d{1}|[123]\d|0\d)/';
$ret["return"] = false;
$ret["pw"] = null;
try {
    $config = include('config.php');
    $bdd = new PDO('mysql:host='.$config['host'].';dbname='.$config['dbName'].';charset=utf8', $config['username'], $config['pw']);
} catch (Exception $e) {
    die('Erreur : '.$e->getMessage());
}

//DELETE FROM `projetphp` WHERE `projetphp`.`login` = \'caprout\'
if (isset($_POST["userToDel"])) {
    $req = $bdd->prepare('DELETE FROM `projetphp` WHERE `projetphp`.`login`=:login');
    $req->execute(array( 'login' => htmlspecialchars($_POST["userToDel"])));
    $req->closeCursor();
}

elseif (isset($_POST["userExist"])) {
  if(userExist($_POST["userExist"]))
  {
    $ret["return"] = "userExist";
  }
  else
  {
    $ret["return"] = "userNotExist";
  }
}

//INSERT INTO `projetphp` (`login`, `date_naissance`, `e_mail`, `mot_de_passe`, `security_level`) VALUES ('blipblop', '2019-01-09', 'aaaaa@aaa.cc', MD5('sdfqsdfsfd'), '5');
elseif (isset($_POST["newUser"],$_POST["datene"], $_POST["email"], $_POST["pw"]) && $_POST["newUser"] == "true") {
  if(preg_match($loginPatern, $_POST["login"]) && preg_match($emailPatern, $_POST["email"]) && preg_match($pwPatern, $_POST["pw"]) && preg_match($datePatern, $_POST["datene"]))
  {
    if(userExist($_POST["login"]))
    {
      $ret["return"] = "userExist";
      $ret["register"] = false;
    }
    else
    {
      $sl = isset($_POST["sl"])?$_POST["sl"]:"5";
      $ret["pw"] = md5(htmlspecialchars($_POST["pw"], ENT_QUOTES, 'UTF-8'));
      $req = $bdd->prepare('INSERT INTO `projetphp` (`login`, `date_naissance`, `e_mail`, `mot_de_passe`, `security_level`) VALUES (:login, :datene, :email, :pw, :slvl)');
      $req->execute(array(
'login' => htmlspecialchars($_POST["login"], ENT_QUOTES, 'UTF-8'),
'datene' => htmlspecialchars($_POST["datene"], ENT_QUOTES, 'UTF-8'),
'email' => (htmlspecialchars($_POST["email"], ENT_QUOTES, 'UTF-8')),
'pw' => $ret["pw"],
'slvl' => htmlspecialchars($sl, ENT_QUOTES, 'UTF-8'),
));
      $req->closeCursor();
      $ret["return"] = true;
      $ret["register"] = true;
    }
  }
  else
  {
    $ret["return"] = "patern mismatch !".preg_match($loginPatern, $_POST["login"]) ."_". preg_match($emailPatern, $_POST[email]) ."_". preg_match($pwPatern, $_POST["pw"]);
  }
}

//UPDATE `projetphp` SET `security_level` = '6' WHERE `projetphp`.`login` = 'aaazzze';
else if (isset($_POST["newUser"], $_POST["updatePW"], $_POST["datene"], $_POST["email"], $_POST["pw"], $_POST["sl"], $_POST["login"])
        && $_POST["newUser"] == "false" && (isset($_SESSION["login"]) && $_SESSION["login"] == $_POST["login"] || isset($_SESSION["sl"]) && $_SESSION["sl"] == "10")){
    if (preg_match($emailPatern, $_POST["email"])) {
        if (htmlspecialchars($_POST["updatePW"], ENT_QUOTES, 'UTF-8') == "true" && preg_match($pwPatern, $_POST["pw"])) {
            $req = $bdd->prepare('UPDATE `projetphp` SET `date_naissance` = :datene, `e_mail` = :email, `mot_de_passe` = :pw, `security_level` = :sl WHERE `projetphp`.`login` = :login');
            $req->execute(array(
'datene' => htmlspecialchars($_POST["datene"], ENT_QUOTES, 'UTF-8'),
'email' => htmlspecialchars($_POST["email"], ENT_QUOTES, 'UTF-8'),
'pw' => md5(htmlspecialchars($_POST["pw"], ENT_QUOTES, 'UTF-8')),
'sl' => ($_SESSION["sl"]=="10"?htmlspecialchars($_POST["sl"], ENT_QUOTES, 'UTF-8'):$_SESSION["sl"]),
'login' => htmlspecialchars($_POST["login"], ENT_QUOTES, 'UTF-8'),
));
$req->closeCursor();
            $ret["return"] = true;
            $ret["pw"] = md5(htmlspecialchars($_POST["pw"], ENT_QUOTES, 'UTF-8'));
        } elseif (htmlspecialchars($_POST["updatePW"], ENT_QUOTES, 'UTF-8') == "false") {
            $req = $bdd->prepare('UPDATE `projetphp` SET `date_naissance` = :datene, `e_mail` = :email, `security_level` = :sl WHERE `projetphp`.`login` = :login');
            $req->execute(array(
'datene' => htmlspecialchars($_POST["datene"], ENT_QUOTES, 'UTF-8'),
'email' => htmlspecialchars($_POST["email"], ENT_QUOTES, 'UTF-8'),
'sl' => ($_SESSION["sl"]=="10"?htmlspecialchars($_POST["sl"], ENT_QUOTES, 'UTF-8'):$_SESSION["sl"]),
'login' => htmlspecialchars($_POST["login"], ENT_QUOTES, 'UTF-8'),
));
$req->closeCursor();
            $ret["return"] = true;
            $ret["pw"] = htmlspecialchars($_POST["pw"], ENT_QUOTES, 'UTF-8');
        } else ;
    } else ;
}

echo json_encode((object)$ret);