<?php
require_once($_SERVER['DOCUMENT_ROOT'] . "/config.php");

// Number of records fetch
$numberOfRecords = 10;

$idAgent = (int)$_SESSION['id'];

$agencyId = User::getAgencyIdForUser($idAgent);

// Search text, need check
$search = isset($_POST['searchTerm'])
    ? mysql_escape_string($_POST['searchTerm'])
    : null;

$page = isset($_POST['page']) ? (int)$_POST['page'] : 1;

$userIds = User::getAllAgencyUsers($agencyId);

$sql = "SELECT id FROM clients WHERE ((clients.who_work = $idAgent) OR (clients.who_work = 0 and clients.id_agent in (" . implode(',', $userIds) . "))) AND clients.deleted <> 1 AND clients.cancel = 0";

$andLikeFio = $search
    ? " and (fio like '%" . trim($search) . "%' or phone like '%" . trim($search) . "%' or email like '%" . trim($search) . "%')"
    : " ";

$sqlUnion = " UNION SELECT requisitions.client_id FROM requisitions WHERE ((requisitions.who_work = $idAgent) OR (requisitions.who_work = 0 and requisitions.user_id in (" . implode(',', $userIds) . "))) AND requisitions.deleted <> 1 AND requisitions.cancel = 0";

$rez = mysql_query($sql . $andLikeFio . $sqlUnion);

$clientIds = [];
while ($client = mysql_fetch_assoc($rez)) {
    if (!in_array((int)$client['id'], $clientIds)) {
        $clientIds[] = (int)$client['id'];
    }
}

$allCount = count($clientIds);
$ot = ($page - 1) * $numberOfRecords;
//$all_pages = ceil($allCount / $numberOfRecords); // not used

$orderBy = " ORDER BY fio, ID";
$limit = " LIMIT " . $ot . ', ' . $numberOfRecords;

$sqlClients = "SELECT id, fio, phone, email FROM clients where id IN (" . implode(',', $clientIds) . ")";
$sqlClientsCount = "SELECT COUNT(id) as cnt FROM clients where id IN (" . implode(',', $clientIds) . ")";

$rez = mysql_query($sqlClients . $andLikeFio . $orderBy . $limit);
$rezCount = mysql_query($sqlClientsCount . $andLikeFio);

$response = [];
$response['items'] = [];
$response['total_count'] = mysql_fetch_assoc($rezCount)['cnt'];

while ($block = mysql_fetch_assoc($rez)) {
    // Маскируем контактные данные клиента, если у пользователя включено скрытие
    mask_client_contacts_inplace($block);
    $response['items'][] = array(
        "id" => $block['id'],
        "text" => $block['fio'] . " (" . $block['email'] . " " . $block['phone'] . ")"
    );
}

echo json_encode($response);
exit();