session = $sessionDAO->sessionData($_POST["sessions"]);
        $filmDAO = new Film_DAO("complucine");  
        $this->film = $filmDAO->FilmData($this->session->getIdfilm());
        $cinemaDAO = new Cinema_DAO("complucine");  
        $this->cinema = $cinemaDAO->cinemaData($this->session->getIdcinema());
        $hallDAO = new HallDAO("complucine");
        $this->hall = $hallDAO->HallData($this->session->getIdhall());
        $this->seat = array();
        $this->row = array();
        $this->col = array();
        $rows = $this->hall->getNumRows();
        $cols = $this->hall->getNumCol();
        for($i = 0; $i <= $rows; $i++){
            for($j = 0; $j <= $cols; $j++){
                $seat = $i.$j;
                if(isset($_POST["checkbox".$seat])){ 
                    array_push($this->seat, $i."-".$j);
                    array_push($this->row, $i); 
                    array_push($this->col, $j); 
                }
            }
        }
        $TODAY = getdate();
        $year = "$TODAY[year]";
        $this->_TODAY = "$TODAY[year]-$TODAY[month]-$TODAY[mday] $TODAY[hours]:$TODAY[minutes]:$TODAY[seconds]";
        $this->years = array();
        for($i = $year; $i < $year+10; $i++) array_push($this->years, $i);
        $this->months = array();
        for($i = 1; $i <= 12; $i++) array_push($this->months, $i);
    }
    protected function generaCamposFormulario($datos, $errores = array()){
        // Se generan los mensajes de error si existen.
        $htmlErroresGlobales = self::generaListaErroresGlobales($errores);
        $errorNombre = self::createMensajeError($errores, 'card-holder', 'span', array('class' => 'error'));
        $errorCardNumber = self::createMensajeError($errores, 'card-number-0', 'span', array('class' => 'error'));
        $errorCVV = self::createMensajeError($errores, 'card-cvv', 'span', array('class' => 'error'));
        $errorCardExpirationMonth = self::createMensajeError($errores, 'card-expiration-month', 'span', array('class' => 'error'));
        $errorCardExpirationYear = self::createMensajeError($errores, 'card-expiration-year', 'span', array('class' => 'error'));
        $monthsHTML = "";
        foreach($this->months as $value){
            $monthsHTML .= "";
        }
        $yearsHTML = "";
        foreach($this->years as $value){
            $yearsHTML .= "";
        }
        if($this->session->getSeatsFull()){
            $html = "
                       La sesión está llena, no quedan asientos disponibles.
                       Vuelva atrás para selecionar otra sesión.
                     ";
        } else {
            $seats = "";
            foreach($this->seat as $value){
                $seats .= $value.", ";
            }
            $html = "";
        }
        return $html;
    }
    protected function procesaFormulario($datos){
        $result = array();
        
        $nombre = $this->test_input($datos['card-holder']) ?? null;
        $nombre = strtolower($nombre);
        if ( empty($nombre) ) {
            $result['card-holder'] = "El nombre no puede estar vacío.";
        }
        for($i = 0; $i < 4; $i++){
            $card_numer = $this->test_input($datos['card-number-'.$i]) ?? null;
            if ( empty($card_numer) || mb_strlen($card_numer) < 4 ) {
                $result['card-number-0'] = "La tarjeta debe tener 16 dígitos.";
            }
        }
        $cvv = $this->test_input($datos['card-cvv']) ?? null;
        if ( empty($cvv) || mb_strlen($cvv) < 3 ) {
            $result['card-cvv'] = "El CVV debe tener 3 números.";
        }
        
        $month = $this->test_input($datos['card-expiration-month']) ?? null;
        if ( empty($month) ) {
            $result['card-expiration-month'] = "El mes de expiración no es correcto.";
        }
        $year = $this->test_input($datos['card-expiration-year']) ?? null;
        if ( empty($year) ) {
            $result['card-expiration-year'] = "El año de expiración no es correcto.";
        }
        if (count($result) === 0) {
           if(isset($_SESSION["login"]) && $_SESSION["login"] == true){
                $purchaseDAO = new PurchaseDAO("complucine");
                $count = count(unserialize($datos["row"]));
                $rows =  unserialize($datos["row"]); $cols =  unserialize($datos["col"]);
                for($i = 0; $i < $count; $i++){
                    if($purchaseDAO->createPurchase(unserialize($_SESSION["user"])->getId(), $this->session->getId(), $this->session->getIdhall(), $this->cinema->getId(), $rows[$i], $cols[$i], date("Y-m-d H:i:s"))){
                        $purchase = new Purchase(unserialize($_SESSION["user"])->getId(), $this->session->getId(), $this->session->getIdhall(), $this->cinema->getId(), $datos["row"], $datos["col"], strftime("%A %e de %B de %Y a las %H:%M"));
                        $_SESSION["purchase"] = serialize($purchase);
                        $_SESSION["film_purchase"] = serialize($this->film);
                        $result = "resume.php";
                    } else {
                        $result[] = "Error al realizar la compra.";
                    }
                }
           } else {
            $purchase = new Purchase("null", $this->session->getId(), $this->session->getIdhall(), $this->cinema->getId(), $datos["row"], $datos["col"], strftime("%A %e de %B de %Y a las %H:%M"));
                $_SESSION["purchase"] = serialize($purchase);
                $_SESSION["film_purchase"] = serialize($this->film);
                $result = "resume.php";
           }
        }
        return $result;
    }
}
?>