<?
if(!CModule::IncludeModule("iblock") || !CModule::IncludeModule('highloadblock'))
	return;
use Bitrix\Highloadblock\HighloadBlockTable as HLBT;
class HistoryLog
{
  public static $qId = null;
  public static $class = null;
  public static $classId = 8;
  public static $enums = [];
  const TYPE_CREATE_RECORD = 11;
  const TYPE_UPDATE_RECORD = 12;
  const TYPE_DELETE_RECORD = 13;
  public static function GetEntityClass($id)
	{
		if(!static::$qId)
		{
			$hlblock = HLBT::getById($id)->fetch();   
			$entity = HLBT::compileEntity($hlblock);
			static::$qId = $entity->getDataClass();
		}
		return static::$qId;
	}
	public static function GetClass()
	{
		if(!static::$class)
			static::$class = static::GetEntityClass(static::$classId);
		return static::$class;
  }
  public static function GetActionList()
	{
    $id = 98;
    if(isset(static::$enums[$id]))
      return static::$enums[$id];
		$ar = [];
		$rows = CUserFieldEnum::GetList(array("SORT"=>"ASC"), array("USER_FIELD_ID" => $id));
		while($row = $rows->GetNext())
      $ar[$row["ID"]] = $row["VALUE"];
     static::$enums[$id] = $ar;
		return $ar;
	}
  public static function Add($recordId, $type, $data = null, $prev = null)
	{
    global $USER;
    $userId = $USER ? $USER->GetId() : null;
    $class = static::GetClass();
    $t =  ConvertTimeStamp(time(), 'FULL');
		$data =
		[
			'UF_DATE' => $t,
			'UF_USER' => $userId,
			'UF_RECORD_ID' => $recordId,
      'UF_ACTION' => $type,
      'UF_DATA_PREV' => ($prev ? serialize($prev) : null),
			'UF_DATA' => ($data ? serialize($data) : null),
		];
    $result = $class::add($data);
    if($result->isSuccess())
			return $result->getId();
		return 0;
  }
  static public function GetRow($id)
	{
		$class = static::GetClass();
		$res = [];
		$row = $class::getList(['select' => ['*'], 'filter' => ['ID' => $id]])->fetch();
		return static::GetRowData($row);
	}
  static public function GetRowData($row)
	{
    if(!$row)
      return null;
    $aAction = static::GetActionList();
    $p = [];
    $p['id'] = $row['ID'];
    $p['datetime'] = (int)MakeTimeStamp($row['UF_DATE']) + 60*60*2;
    $p['date'] = FormatDate('d.m.Y H:i:s', $p['datetime']);
    $p['record'] = Register::GetRecord($row['UF_RECORD_ID']);
    $p['user'] = Service::GetUserInfo($row['UF_USER']);
    $p['action_id'] = $row['UF_ACTION'];
    $p['action'] = isset($aAction[$p['action_id']]) ? $aAction[$p['action_id']] : '';
    $p['data_prev'] = $row['UF_DATA_PREV'];
    $p['data'] = $row['UF_DATA'];
    return $p;
  }
  public static function GetFilter($type = 0, $dateFrom = 0, $dateTo = 0, $userId = 0, $record_id = 0)
	{
		$fil = [];
		if($record_id)
			$fil['ID'] = $record_id;
		if($userId)
			$fil['UF_USER'] = $userId;
		if($record_id)
			$fil['UF_RECORD_ID'] = $record_id;
		if($type)
			$fil['UF_ACTION'] = $type;
		if($dateFrom)
			$fil['>=UF_DATE'] = ConvertTimeStamp($dateFrom + 2*60*60, 'FULL');
		if($dateTo)
			$fil['<=UF_DATE'] = ConvertTimeStamp($dateTo + 2*60*60, 'FULL');
		return $fil;
	}
  public static function GetTotal($type = 0, $dateFrom = 0, $dateTo = 0, $userId = 0, $record_id = 0)
	{
		$class = static::GetClass();
		$fil = static::GetFilter($type, $dateFrom, $dateTo, $userId, $record_id);
		$row = $class::getList(['select' => ['CNT'], 'filter' => $fil, 'runtime' => array( new \Bitrix\Main\Entity\ExpressionField('CNT', 'COUNT(*)') )])->fetch();
		return ($row ? $row['CNT'] : 0);
  }
  public static function GetAll(&$total, $type = 0, $dateFrom = 0, $dateTo = 0, $pageNum = 0, $count = 10, $userId = 0, $record_id = 0)
	{
		$class = static::GetClass();
		$fil = static::GetFilter($type, $dateFrom, $dateTo, $userId, $record_id);
		$total = static::GetTotal($type, $dateFrom, $dateTo, $userId, $record_id);
		$sort = ['UF_DATE' => 'DESC'];
		$rows = $class::getList(['select' => ['*'], 'filter' => $fil, 'order' => $sort, 'offset' => $pageNum*$count, 'limit' => $count]);
		$rs = [];
		while($row = $rows->fetch())
			$rs[] = static::GetRowData($row);
		return $rs;
	}
}