<?php
session_start();
if (!isset($_SESSION['loggedin'])) {
    exit("unauthorized");
}

include "../database.php";
include "../globals.php";

require_once '../../plugins/sendgrid/config.php';
require "../../plugins/sendgrid/sendgrid-php.php";

$transfer_id = $_POST["transfer_id"];

$sql_transfer    = "SELECT * FROM transfers WHERE id = " . $transfer_id . "";
$result_transfer = mysqli_query($con, $sql_transfer);
$transfer        = mysqli_fetch_assoc($result_transfer);

$sql_user    = "SELECT * FROM users WHERE id = " . $transfer['user_id'] . "";
$result_user = mysqli_query($con, $sql_user);
$user        = mysqli_fetch_assoc($result_user);

$sql_delete = "DELETE FROM transfers WHERE id = " . $transfer_id . "";
if ($con->query($sql_delete) === true) {
    if($_SESSION["role"] == "Utente") {
        $sql_approve = "SELECT * FROM users WHERE role = 'Admin' AND transfers_notifies = 1";
        $result_approve = mysqli_query($con, $sql_approve);
        while ($row_approve = mysqli_fetch_assoc($result_approve)) {
            //Invio admin
            $email = new \SendGrid\Mail\Mail();
            $email->setFrom("info@n-hub.com", "NH-HR");
            $email->addTo("".$row_approve["email"]."", "".$row_approve["name"]." ".$row_approve["surname"]."");
            $email->SetTemplateId("d-ba4099efd59c49c29793d9cb0e020a44");
            //Here is the Place holder values you need to replace.
            $email->addDynamicTemplateData("NHHR_richiedente", "" . $user["name"] . " " . $user["surname"] . "");
            $email->addDynamicTemplateData("NHHR_data_inizio", "" . date('d/m/Y', strtotime($transfer['start_date'])) . "");
            $email->addDynamicTemplateData("NHHR_data_fine", "" . date('d/m/Y', strtotime($transfer['end_date'])) . "");
            $email->addDynamicTemplateData("NHHR_destinazione", "" . $transfer['destination'] . "");
            $email->addDynamicTemplateData("NHHR_gestita_da", "" . $_SESSION["username"] . "");
            $sendgrid = new \SendGrid(SENDGRID_API_KEY);
            try {
                $response = $sendgrid->send($email);
            } catch (Exception $e) {
                echo 'Caught exception: ' . $e->getMessage() . "\n";
            }
        }
    }

    echo "ok";
} else {
    echo "error";
}

$con->close();