<?php


class UserGateway
{
    private $con; 

    public function __construct(Connection $con){ 
        $this->con = $con; 
    } 

    public function insert(User $u){
        try{
            $query = "INSERT INTO Utilisateur VALUES (null, :username, :password)";
            $this->con->executeQuery($query, array(':username' => array($u->getUsername(), PDO::PARAM_STR), ':password' => array($u->getPassword(), PDO::PARAM_STR)));
        }
        catch(PDOException $Exception){
            echo 'erreur';
            echo $Exception->getMessage();
            return false;
        }
        return true;
    }

    
    public function delete(User $u): void{
        $query = "DELETE FROM Utilisateur where id=:id";
        $this->con->executeQuery($query, array(':id' => array($u->getId(), PDO::PARAM_INT)));
    }

    public function update(User $u): void{
        $query = "UPDATE Utilisateur SET username=:username, password=:password WHERE id=:id";
        $this->con->executeQuery($query, array(':id' => array($u->getId(), PDO::PARAM_INT), ':username' => array($u->getUsername(), PDO::PARAM_STR), ':password' => array($u->getPassword(), PDO::PARAM_STR)));
    }

    public function findByName(string $username): array{
        $query = "SELECT * FROM Utilisateur WHERE username=:username";
        $this->con->executeQuery($query, array(':username' => array($username, PDO::PARAM_STR)));
        $results=$this->con->getResults();
        return $results;
    }

    public function getLastId(): array{
        $query = "SELECT max(id) as oldId FROM Utilisateur";
        $this->con->executeQuery($query, array());
        $results=$this->con->getResults();
        return $results;
    }

    function getHashedPassword(string $usrname):?string{
        $truePasswd=null;
        $query="SELECT password FROM Utilisateur WHERE name=:name";
        $this->con->executeQuery($query,array('name'=>array($usrname,PDO::PARAM_STR)));
        $results=$co->getResults();
        foreach($res as $row){
            $results=$row['pwd'];
        }
        return $truePasswd;
    }
}

?>