<?
if(!defined("B_PROLOG_INCLUDED") || B_PROLOG_INCLUDED!==true) die();

if(!isset($arParams["CACHE_TIME"]))
    $arParams["CACHE_TIME"] = 36000000;

$arParams["ID"] = intval($arParams["ID"]);
$arParams["IBLOCK_ID"] = intval($arParams["IBLOCK_ID"]);

$arParams["DEPTH_LEVEL"] = intval($arParams["DEPTH_LEVEL"]);
if($arParams["DEPTH_LEVEL"]<=0)
    $arParams["DEPTH_LEVEL"]=1;

$arResult["SECTIONS"] = array();
$arResult["ELEMENT_LINKS"] = array();

if($this->StartResultCache())
{
    if(!CModule::IncludeModule("iblock"))
    {
        $this->AbortResultCache();
    }
    else
    {
        $arFilter = array(
            "IBLOCK_ID"=>$arParams["IBLOCK_ID"],
            "GLOBAL_ACTIVE"=>"Y",
            "IBLOCK_ACTIVE"=>"Y",
            "<="."DEPTH_LEVEL" => $arParams["DEPTH_LEVEL"],
        );
        $arOrder = array(
            "left_margin"=>"asc",
        );

        $rsSections = CIBlockSection::GetList($arOrder, $arFilter, false, array(
            "ID",
            "DEPTH_LEVEL",
            "NAME",
            "SECTION_PAGE_URL",
            "UF_NAME_EN",
        ));
        if($arParams["IS_SEF"] !== "Y")
            $rsSections->SetUrlTemplates("", $arParams["SECTION_URL"]);
        else
            $rsSections->SetUrlTemplates("", $arParams["SEF_BASE_URL"].$arParams["SECTION_PAGE_URL"]);
        while($arSection = $rsSections->GetNext())
        {
            if (LANGUAGE_ID === 'en' && $arSection["~UF_NAME_EN"])
                $NAME = $arSection["~UF_NAME_EN"]; else
                $NAME = $arSection["~NAME"];
            $arResult["SECTIONS"][] = array(
                "ID" => $arSection["ID"],
                "DEPTH_LEVEL" => $arSection["DEPTH_LEVEL"],
                "~NAME" => $NAME,
                "~SECTION_PAGE_URL" => $arSection["~SECTION_PAGE_URL"],
            );
            $arResult["ELEMENT_LINKS"][$arSection["ID"]] = array();
        }
        $this->EndResultCache();
    }
}

//In "SEF" mode we'll try to parse URL and get ELEMENT_ID from it
if($arParams["IS_SEF"] === "Y")
{
    $componentPage = CComponentEngine::ParseComponentPath(
        $arParams["SEF_BASE_URL"],
        array(
            "section" => $arParams["SECTION_PAGE_URL"],
            "detail" => $arParams["DETAIL_PAGE_URL"],
        ),
        $arVariables
    );
    if($componentPage === "detail")
    {
        CComponentEngine::InitComponentVariables(
            $componentPage,
            array("SECTION_ID", "ELEMENT_ID"),
            array(
                "section" => array("SECTION_ID" => "SECTION_ID"),
                "detail" => array("SECTION_ID" => "SECTION_ID", "ELEMENT_ID" => "ELEMENT_ID"),
            ),
            $arVariables
        );
        $arParams["ID"] = intval($arVariables["ELEMENT_ID"]);
    }
}

//if(($arParams["ID"] > 0) && (intval($arVariables["SECTION_ID"]) <= 0) && CModule::IncludeModule("iblock"))
if (CModule::IncludeModule("iblock"))
{
    $arSelect = array("ID", "IBLOCK_ID", "NAME", "DETAIL_PAGE_URL", "IBLOCK_SECTION_ID");
    if (LANGUAGE_ID === 'en')
        $arSelect[] = "PROPERTY_NAME_EN";
    $arFilter = array(
//      "ID" => $arParams["ID"],
        "ACTIVE" => "Y",
        "IBLOCK_ID" => $arParams["IBLOCK_ID"],
    );
    $rsElements = CIBlockElement::GetList(array(), $arFilter, false, false, $arSelect);
    if(($arParams["IS_SEF"] === "Y") && (strlen($arParams["DETAIL_PAGE_URL"]) > 0))
        $rsElements->SetUrlTemplates($arParams["SEF_BASE_URL"].$arParams["DETAIL_PAGE_URL"]);
    while($arElement = $rsElements->GetNext())
    {
        $arResult["ELEMENT_LINKS"][$arElement["IBLOCK_SECTION_ID"]][] = $arElement;
    }
}

$aMenuLinksNew = array();
$menuIndex = 0;
$previousDepthLevel = 1;
foreach($arResult["SECTIONS"] as $arSection)
{
    if ($menuIndex > 0)
        $aMenuLinksNew[$menuIndex - 1][3]["IS_PARENT"] = $arSection["DEPTH_LEVEL"] > $previousDepthLevel;
    $previousDepthLevel = $arSection["DEPTH_LEVEL"];

    $aMenuLinksNew[$menuIndex++] = array(
        htmlspecialcharsbx($arSection["~NAME"]),
        $arSection["~SECTION_PAGE_URL"],
        array(),
        array(
            "FROM_IBLOCK" => true,
            "IS_PARENT" => false,
            "DEPTH_LEVEL" => $arSection["DEPTH_LEVEL"],
        ),
    );

    if ($arSection["DEPTH_LEVEL"]<$arParams["DEPTH_LEVEL"])
{
        if (count($arResult["ELEMENT_LINKS"][$arSection["ID"]])>0)
        {
            $aMenuLinksNew[$menuIndex - 1][3]["IS_PARENT"] = true;
            $previousDepthLevel = $arSection["DEPTH_LEVEL"]+1;
        }

        foreach ($arResult["ELEMENT_LINKS"][$arSection["ID"]] as $arElement)
        {
    if (LANGUAGE_ID === 'en' && $arElement["~PROPERTY_NAME_EN_VALUE"])
        $NAME = $arElement["~PROPERTY_NAME_EN_VALUE"]; else
        $NAME = $arElement["~NAME"];
    $aMenuLinksNew[$menuIndex++] = array(
        htmlspecialcharsbx($NAME),
        $arElement["~DETAIL_PAGE_URL"],
        array(),
        array(
            "FROM_IBLOCK" => true,
            "IS_PARENT" => false,
            "DEPTH_LEVEL" => $arSection["DEPTH_LEVEL"]+1,
        ),
    );
    }

       }
}

foreach ($arResult["ELEMENT_LINKS"][""] as $arElement)
{
    if (LANGUAGE_ID === 'en' && $arElement["~PROPERTY_NAME_EN_VALUE"])
        $NAME = $arElement["~PROPERTY_NAME_EN_VALUE"]; else
        $NAME = $arElement["~NAME"];
    $aMenuLinksNew[$menuIndex++] = array(
        htmlspecialcharsbx($NAME),
        $arElement["~DETAIL_PAGE_URL"],
        array(),
        array(
            "FROM_IBLOCK" => true,
            "IS_PARENT" => false,
            "DEPTH_LEVEL" => 1,
        ),
    );
}

return $aMenuLinksNew;
?>