<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
/**
 * This example shows settings to use when sending via Google's Gmail servers.
 * This uses traditional id & password authentication - look at the gmail_xoauth.phps
 * example to see how to use XOAUTH2.
 * The IMAP section shows how to save this message to the 'Sent Mail' folder using IMAP commands.
 */

//Import PHPMailer classes into the global namespace
use PHPMailer\PHPMailer\PHPMailer;

require '../../vendor/autoload.php';

// echo $_FILES["fileToUpload"]['name'][1];
//                         die();

$employeeName = "";
$employeeEmail = "";
$employeeRecommendation = "";
$friendsName = "";
$friendsEmail = "";
$friendsPhone = "";
//get properties from form
if (isset($_POST['name'])) {
    $employeeName = $_POST['name'];
}
if (isset($_POST['email'])) {
    $employeeEmail = $_POST['email'];
}
if (isset($_POST['recommendation'])) {
    $employeeRecommendation = $_POST['recommendation'];
}
if (isset($_POST['friends_name'])) {
    $friendsName = $_POST['friends_name'];
}
if (isset($_POST['friends_email'])) {
    $friendsEmail = $_POST['friends_email'];
}
if (isset($_POST['friends_phone'])) {
    $friendsPhone = $_POST['friends_phone'];
}
if (isset($_POST['language'])) {
    $language = $_POST['language'];
}

if ($employeeRecommendation == "") {
    echo "recommendation badly formed";
    die();
    if (preg_match('/[^A-Za-ząčęėįšųūžĄČĘĖĮŠŲŪŽ]/', $employeeName)) {
        echo "recommendation badly formed";
        header('Location: formController.php');
        die();
    }
}

if (preg_match("/^[a-zA-ZàáâäãåąčćęèéêëėįìíîïłńòóôöõøùúûüųūÿýżźñçčšžÀÁÂÄÃÅĄĆČĖĘÈÉÊËÌÍÎÏĮŁŃÒÓÔÖÕØÙÚÛÜŲŪŸÝŻŹÑßÇŒÆČŠŽ∂ð ,.'-]+$/u", $employeeName)) { //check if name is text only
    if (filter_var($employeeEmail, FILTER_VALIDATE_EMAIL)) { //check if email is valid
        if (preg_match("/^[a-zA-ZàáâäãåąčćęèéêëėįìíîïłńòóôöõøùúûüųūÿýżźñçčšžÀÁÂÄÃÅĄĆČĖĘÈÉÊËÌÍÎÏĮŁŃÒÓÔÖÕØÙÚÛÜŲŪŸÝŻŹÑßÇŒÆČŠŽ∂ð ,.'-]+$/u", $employeeName)) { //check if name is text only
            if (filter_var($employeeEmail, FILTER_VALIDATE_EMAIL)) { // if email is valid
                if (strpos($friendsPhone, '+') !== false) { // check if valid phone

                    $mail = new PHPMailer;

                    if ($_FILES["fileToUpload"]["name"][0] != "") { //check if files set and validate it
                        //check if types valid
                        ///////////////////////////////////////
                        $valid_types = ["application/msword", "application/pdf"];
                        foreach ($_FILES['fileToUpload']['type'] as $file) {
                            if (!in_array($file, $valid_types)) {
                                echo "Sorry only doc pdf and odt file types accepted.";
                                header('Location: formController.php');
                                die();
                            }
                        }
                        //check if not too big
                        /////////////////////////////////////
                        $filesSize = 0;
                        foreach ($_FILES["fileToUpload"]["size"] as $file) {
                            $filesSize = $filesSize + $file;
                        }
                        if ($filesSize > 500000) {
                            echo "Sorry, your file is too large.";
                            header('Location: formController.php');
                            die();
                        }
                        //////////////////////////////////////
                        //Attach cv file(s)
                        for ($i = 0; $i < count($_FILES["fileToUpload"]["name"]); $i++) {
                            $mail->AddAttachment($_FILES['fileToUpload']['tmp_name'][$i],
                                $_FILES['fileToUpload']['name'][$i]);
                        }
                    }

                    $emailText = array( //more comfortable to pass to file if decided in the future
                        'employee_name' => $employeeName,
                        'employee_email' => $employeeEmail,
                        'recommendation' => $employeeRecommendation,
                        'friends_name' => $friendsName,
                        'friends_email' => $friendsEmail,
                        'friends_phone' => $friendsPhone,
                    );

                    //Tell PHPMailer to use SMTP
                    $mail->isSMTP();
                    $mail->isHTML(); //set for sending from html

                    //Enable SMTP debugging
                    // 0 = off (for production use)
                    // 1 = client messages
                    // 2 = client and server messages
                    $mail->SMTPDebug = 0;

                    //Set the hostname of the mail server
                    $mail->Host = 'smtp.gmail.com';
                    // use
                    // $mail->Host = gethostbyname('smtp.gmail.com');
                    // if your network does not support SMTP over IPv6

                    //Set the SMTP port number - 587 for authenticated TLS, a.k.a. RFC4409 SMTP submission
                    $mail->Port = 587;

                    //Set the encryption system to use - ssl (deprecated) or tls
                    $mail->SMTPSecure = 'tls';

                    //Whether to use SMTP authentication
                    $mail->SMTPAuth = true;

                    //Username to use for SMTP authentication - use full email address for gmail
                    $mail->Username = "formsteltonika@gmail.com";

                    //Password to use for SMTP authentication
                    $mail->Password = "2018KaunasTeltonika?";

                    //Set who the message is to be sent from
                    $mail->setFrom('formsteltonika@gmail.com', 'Darbuotojo rekomendacija');

                    //Set an alternative reply-to address
                    $mail->addReplyTo('formsteltonika@gmail.com', 'Darbuotojo rekomendacija');

                    //Set who the message is to be sent to
                    $mail->addAddress('kestas3210@gmail.com', 'Čia HR vardas'); //set to hr email

                    $mail->Subject = $employeeName . ' ' . 'jums rekomenduoja darbuotoją'; // email subject
                    //html formated email content
                    $mail->Body = formEmail($language, $employeeName, $employeeEmail, $friendsName, $friendsEmail, $friendsPhone, $employeeRecommendation);

                    $mail->CharSet = 'UTF-8';
                    if ($mail->send()) {
                        $logMessege = date("Y-m-d H:i:s") . "|" . $emailText["employee_name"] . "|" . $emailText["employee_email"] . "|" . $emailText["recommendation"] . "|" . $emailText["friends_name"] . "|" . $emailText["friends_email"] . "|" . $emailText["friends_phone"];
                        logToFile($logMessege);
                        header('Location: /recommend-form/app/views/thankYou.html');
                        die();
                    } else {
                        // mailer errors
                        echo "Mailer Error: " . $mail->ErrorInfo; //log emailer errors if something wrong

                    }
                } else {
                    echo 'Blogai įvestas draugo numeris';
                    header('Location: formController.php');
                    die();
                }
            } else {
                echo 'Blogai įvestas draugo email';
                header('Location: formController.php');
                die();
            }
        } else {
            'Blogai įvestas draugo vardas';
            header('Location: formController.php');
            die();
        }
    } else {
        echo 'Blogai įvestas tavo email';
        header('Location: formController.php');
        die();
    }
} else {
    echo 'Blogai įvesti duomenys';
    header('Location: formController.php');
    die();
}

/**
 * Logs actions to file
 */
function logToFile($messege)
{
    $f = fopen("../../log.txt", "a+");
    fwrite($f, $messege . "\n");
    fclose($f);
}
/**
 * Formats email
 */
function formEmail($language, $employeeName, $employeeEmail, $friendsName, $friendsEmail, $friendsPhone, $employeeRecommendation)
{
    $filename = "../views/emailContent1.html";
    $handle = fopen($filename, "r");
    $contents = fread($handle, filesize($filename));
    fclose($handle);

    if($language == 'lt'){
        $recommendation = "Sveiki, " . $employeeName . " (" . $employeeEmail . ")" . " jums rekomenduoja naują darbuotoją:" .
        $friendsName . " " . $friendsEmail . " " . $friendsPhone . "." . " " . $employeeName . " mano, kad" . $friendsName . "yra tinkamas, nes:" .
        $employeeRecommendation;
    }
    if($language == "en"){
        $recommendation = "Hello, " . $employeeName . " (" . $employeeEmail . ")" . " has recommend a new employee for you:" .
        $friendsName . " " . $friendsEmail . " " . $friendsPhone . "." . " " . $employeeName . " thinks, that" . $friendsName . "is suitable for the possition, because:" .
        $employeeRecommendation;
    }

    $filename = "../views/emailContent2.html";
    $handle = fopen($filename, "r");
    $contents1 = fread($handle, filesize($filename));
    fclose($handle);

    $recommendationEmail = $contents . $recommendation . $contents1;

    return $recommendationEmail;
}