<?php
session_start();

// Meme duree que le site public (MSIN-CON-259)
$inactive = 10800;

if (!empty($_SESSION['usa_id'])) {
    $intLastActivity = intval($_SESSION['logged'] ?? 0);
    if (!empty($_SESSION['date_maj'])) {
        $intLastActivity = max($intLastActivity, intval($_SESSION['date_maj']));
    }

    if ($intLastActivity <= 0) {
        $_SESSION['logged'] = time();
    } elseif ((time() - $intLastActivity) > $inactive) {
        header('Location: logout.php');
        exit;
    }

    $_SESSION['logged'] = time();
} elseif (!empty($_SESSION['logged']) && (time() - intval($_SESSION['logged'])) > $inactive) {
    header('Location: logout.php');
    exit;
} elseif (!empty($_SESSION['logged'])) {
    $_SESSION['logged'] = time();
}