<?php
    require '../vendor/autoload.php';
    use Smarty\Smarty;
    $smarty = new Smarty();

    $smarty->setTemplateDir('../ihtml');
    $smarty->setCompileDir('../compile');

    $error = [];
    $number = $_POST['number'] ?? '';
    $email = $_POST['email'] ?? '';


    function insertDataOnTable(mysqli $mysql, string $email, string $number) {
        $query = "INSERT INTO Contact VALUES ('$email', '$number');";
        try {
            $mysql->query($query);
        } catch (Exception $e) {
            echo $e->getMessage();
        }
    }

    function controlloErrori(string $email, string $number, array &$error) {
        if(!is_numeric($number) || strlen($number) != 10) {
            $error['number'] = 'Numero di telefono non corretto';
        }else {
            //$error['number'] = '';
        }
    
        if(!filter_var($email, FILTER_VALIDATE_EMAIL)) {
            $error['email'] = 'Email non valida';
        } else {
            //$error['email'] = '';
        }
    }
    

    if($_SERVER['REQUEST_METHOD'] === 'POST') {
        controlloErrori($email, $number, $error);

        if(count($error) == 0) {
            try {
                $conn = new mysqli('127.0.0.1', 'root', '', 'contact_db');
            } catch (Exception $e) {
                die($e->getMessage());
            }

            insertDataOnTable($conn, $email, $number);
        }
    }
    
    
    $smarty->assign('cellNumber', $number);
    $smarty->assign('email', $email);

    $smarty->assign('error', $error);

    $smarty->display('contact.tpl');
?>