<?php
/*********************************************************************************
** The contents of this file are subject to the vtiger CRM Public License Version 1.0
 * ("License"); You may not use this file except in compliance with the License
 * The Original Code is:  vtiger CRM Open Source
 * The Initial Developer of the Original Code is vtiger.
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.
 *
 ********************************************************************************/
require_once 'modules/WSAPP/SyncServer.php';
require_once 'modules/WSAPP/Handlers/SyncHandler.php';

class WSAPP_VtigerSyncEventHandler extends SyncHandler{

	private $putOperationClientIdAndSyncKeyMapping = array();

	function __construct($appkey){
        $this->syncServer = $this->getSyncServerInstance();
        $this->key = $appkey;
    }

	public function getSyncServerInstance(){
		return new SyncServer();
	}

	 public function get($module, $token, $user) {
		$this->syncModule = $module;
        $this->user = $user;
        $result = $this->syncServer->get($this->key,$module,$token,$user);
		$nativeForamtElementList = $result;
        $nativeForamtElementList['created'] = $this->syncToNativeFormat($result['created']);
        $nativeForamtElementList['updated'] = $this->syncToNativeFormat($result['updated']);
		$nativeForamtElementList['deleted'] = $this->convertedDeletedRecordToNativeFormat($result['deleted']);
        return $nativeForamtElementList;
	 }

	 public function put($element,$user){
		$this->user = $user;
        $this->storeClientIdAndSynkeyMapping($element);
	    $values = $this->syncServer->put($this->key,$element,$user);
		$nativeForamtElementList = $values;
        $nativeForamtElementList['created'] = $this->syncToNativeFormat($values['created']);
        $nativeForamtElementList['updated'] = $this->syncToNativeFormat($values['updated']);
		$nativeForamtElementList['deleted'] = $this->convertedDeletedRecordToNativeFormat($values['deleted']);
		if (array_key_exists('skipped', $nativeForamtElementList)) {
			$nativeForamtElementList['skipped'] = $this->convertSkippedRecordsToNativeFormat($values['skipped']);
		}
		return $nativeForamtElementList;
	 }

	 public function map($olMapElement,$user){
		$this->user = $user;
        return $this->syncServer->map($this->key,$olMapElement, $user);
	 }

	 public function nativeToSyncFormat($element){

	 }

	 public function syncToNativeFormat($recordList){
		$nativeFormatRecordList = array();
		foreach($recordList as $record){
			$nativeRecord = $record;
			$nativeRecord['id'] = $record['_id'];
			$nativeRecord['_id'] = $record['id'];
			$nativeRecord['modifiedtime'] = $record['_modifiedtime'];
			$nativeRecord['_modifiedtime'] = $record['modifiedtime'];
			//restoring the synckey which will help synchronize controller to identify the record
			$nativeRecord['_syncidentificationkey'] = $this->putOperationClientIdAndSyncKeyMapping[$nativeRecord['_id']];
			$nativeFormatRecordList[] = $nativeRecord;
        }
        return $nativeFormatRecordList;
	 }

	 public function convertedDeletedRecordToNativeFormat($deletedRecords){
		 $nativeDeletedRecordFormat = array();
         foreach($deletedRecords as $deletedRecord){
			 $deletedRecordResponse = array();
			 $deletedRecordResponse['_id'] = $deletedRecord;
			 $deletedRecordResponse['_syncidentificationkey'] = $this->putOperationClientIdAndSyncKeyMapping[$deletedRecord];
			 $nativeDeletedRecordFormat[] = $deletedRecordResponse;
		 }
		 return $nativeDeletedRecordFormat;
	 }

	 /**
	  * Keeps the mapping of client id and synckey
	  */
	 public function storeClientIdAndSynkeyMapping($records){
		 foreach($records as $record){
             if(!empty($record['values'])){
                $this->putOperationClientIdAndSyncKeyMapping[$record['id']] = $record['values']['_syncidentificationkey'];
             } else{
                $this->putOperationClientIdAndSyncKeyMapping[$record['id']] = $record['_syncidentificationkey']; 
             }
		 }
	 }

	 public function convertSkippedRecordsToNativeFormat($skippedRecords) {
		$nativeSkippedRecordFormat = array();
		foreach ($skippedRecords as $skippedRecord) {
			$skippedRecordResponse = $skippedRecord;
			$skippedRecordResponse['_syncidentificationkey'] = $skippedRecord['record']['_syncidentificationkey'];
			$nativeSkippedRecordFormat[] = $skippedRecordResponse;
		}
		return $nativeSkippedRecordFormat;
	}
}
?>

