<?php
/**
 * Bitrix Framework
 * @package bitrix
 * @subpackage main
 * @copyright 2001-2018 Bitrix
 */

namespace Bitrix\Main;

use Bitrix\Main\Entity;

class UserProfileHistoryTable extends Entity\DataManager
{
	const TYPE_ADD = 1;
	const TYPE_UPDATE = 2;
	const TYPE_DELETE = 3;

	public static function getTableName()
	{
		return 'b_user_profile_history';
	}

	public static function getMap()
	{
		return array(
			new Entity\IntegerField("ID", array(
				'primary' => true,
				'autocomplete' => true,
			)),
			new Entity\IntegerField("USER_ID", array(
				'required' => true,
			)),
			new Entity\IntegerField("EVENT_TYPE"),
			new Entity\DatetimeField("DATE_INSERT", array(
				'default_value' => function(){return new Type\DateTime();}
			)),
			new Entity\StringField("REMOTE_ADDR"),
			new Entity\TextField('USER_AGENT'),
			new Entity\TextField('REQUEST_URI'),
			new Entity\IntegerField("UPDATED_BY_ID"),
		);
	}

	/**
	 * @param int $userId User profile ID.
	 * @param int $type See TYPE_* constants.
	 * @param array|null $before Fields before update.
	 * @param array|null $after Fields after update.
	 * @return Entity\AddResult
	 */
	public static function addHistory($userId, $type, array $before = null, array $after = null)
	{
		global $USER;

		$server = Context::getCurrent()->getServer();
		$request = Context::getCurrent()->getRequest();

		$url = preg_replace("/(&?sessid=[0-9a-z]+)/", "", $request->getDecodedUri());
		$remoteAddr = $server->get("REMOTE_ADDR");
		$userAgent = $server->get("HTTP_USER_AGENT");
		$updatedBy = (is_object($USER) && ($USER->GetID() > 0)? $USER->GetID() : null);

		$changedFields = array();
		if(is_array($before) && is_array($after))
		{
			//we shouldn't display some values
			static $hiddenFields = array("PASSWORD" => 1, "CHECKWORD" => 1, "CONFIRM_CODE" => 1);
			static $ignoredFields = array("TIMESTAMP_X" => 1);

			foreach($after as $field => $value)
			{
				if(isset($ignoredFields[$field]))
				{
					continue;
				}

				if($before[$field] <> $value)
				{
					$data = array(
						"before" => (isset($hiddenFields[$field])? "***" : $before[$field]),
						"after" => (isset($hiddenFields[$field])? "***" : $value)
					);

					$changedFields[] = array(
						"FIELD" => $field,
						"DATA" => $data,
					);
				}
			}
		}

		$result = null;

		if(!empty($changedFields) || $type <> self::TYPE_UPDATE)
		{
			$result = static::add(array(
				"USER_ID" => $userId,
				"EVENT_TYPE" => $type,
				"REMOTE_ADDR" => $remoteAddr,
				"USER_AGENT" => $userAgent,
				"REQUEST_URI" => $url,
				"UPDATED_BY_ID" => $updatedBy,
			));
		}

		if(!empty($changedFields) && $result->isSuccess())
		{
			foreach($changedFields as $value)
			{
				UserProfileRecordTable::add(array(
					"HISTORY_ID" => $result->getId(),
					"FIELD" => $value["FIELD"],
					"DATA" => $value["DATA"],
				));
			}
		}

		return $result;
	}

	public static function deleteByUser($userId)
	{
		$userId = intval($userId);

		UserProfileRecordTable::deleteByUser($userId);

		$entity = static::getEntity();
		$conn = $entity->getConnection();

		$conn->queryExecute("DELETE FROM b_user_profile_history WHERE USER_ID = {$userId}");

		$entity->cleanCache();
	}
}