<?php
function listAllOU()
{
    if (session_status() == PHP_SESSION_NONE) {
        session_start();
    }

    if (!isset($_SESSION['user_pseudo'])) {
        die("Nom utilisateur manquant. Veuillez vous reconnecter.");
    }

    $ldapconn = ldap_connect("ldap://intranet.epul3a.local")
        or die("Could not connect to LDAP server.");

    ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);
    ldap_set_option($ldapconn, LDAP_OPT_REFERRALS, 0);

    $ldap_user = "CN=" . $_SESSION['user_pseudo'] . ",CN=Users,DC=epul3a,DC=local";

    if (!@ldap_bind($ldapconn, $ldap_user, $_SESSION['password'])) {
        die("Could not bind to LDAP server: " . ldap_error($ldapconn));
    }

    $searchBase = "DC=epul3a,DC=local";
    $filter = "(objectClass=organizationalUnit)";
    $attributes = array("ou", "distinguishedName");

    $result = @ldap_search($ldapconn, $searchBase, $filter, $attributes);

    $ous = [];
    if ($result) {
        $entries = ldap_get_entries($ldapconn, $result);
        if ($entries['count'] > 0) {
            foreach ($entries as $key => $entry) {
                if (is_numeric($key)) {
                    $ous[] = $entry; // Ajouter chaque OU au tableau
                }
            }
        }
    } else {
        echo "Error: " . ldap_error($ldapconn);
    }

    ldap_close($ldapconn);
    return $ous; // Retourner le tableau des OUs
}

function listAllUsers()
{
    if (session_status() == PHP_SESSION_NONE) {
        session_start();
    }

    $ldapconn = ldap_connect("ldap://intranet.epul3a.local")
        or die("Could not connect to LDAP server.");

    ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);
    ldap_set_option($ldapconn, LDAP_OPT_REFERRALS, 0);

    $ldap_user = "CN=" . $_SESSION['user_pseudo'] . ",CN=Users,DC=epul3a,DC=local";

    if (!@ldap_bind($ldapconn, $ldap_user, $_SESSION['password'])) {
        die("Could not bind to LDAP server: " . ldap_error($ldapconn));
    }

    $searchBase = "DC=epul3a,DC=local";
    $filter = "(objectClass=user)";
    $attributes = array("cn", "sn", "givenName", "mail", "distinguishedName");

    $result = @ldap_search($ldapconn, $searchBase, $filter, $attributes);

    $users = [];
    if ($result) {
        $entries = ldap_get_entries($ldapconn, $result);
        if ($entries['count'] > 0) {
            foreach ($entries as $key => $entry) {
                if (is_numeric($key)) {
                    // Extraire l'OU du DN
                    preg_match('/OU=([^,]+)/', $entry['distinguishedname'][0], $matches);
                    $ou = isset($matches[1]) ? $matches[1] : 'Users';
                    $entry['ou'] = $ou; // Ajouter l'OU à l'entrée de l'utilisateur
                    $users[] = $entry; // Ajouter chaque utilisateur au tableau
                }
            }
        }
    } else {
        echo "Error: " . ldap_error($ldapconn);
    }

    ldap_close($ldapconn);
    return $users; // Retourner le tableau des utilisateurs
}