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

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

    $errorMsgs = [];
    $validazioneOk = true;

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


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

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

        $validazioneOk = count($errorMsgs) == 0;

        return $validazioneOk;
    }
    

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

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

            $esitoInserimento = insertDataOnTable($conn, $email, $number);

            if($esitoInserimento == true) {
                $smarty->display('conferma.tpl');
                exit;
            }
        }
    }
    
    
    $smarty->assign('cellNumber', $number);
    $smarty->assign('email', $email);
    $smarty->assign('formMsg', $msg);
    
    $smarty->assign('errorMsgs', $errorMsgs);

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