<?php
/*
This file is part of Ice Framework.

Ice Framework is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Ice Framework is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Ice Framework. If not, see <http://www.gnu.org/licenses/>.

------------------------------------------------------------------

Original work Copyright (c) 2012 [Gamonoid Media Pvt. Ltd]
Developer: Thilina Hasantha (http://lk.linkedin.com/in/thilinah | https://github.com/thilinah)
 */
define('CLIENT_PATH',dirname(__FILE__));
include ("config.base.php");
include ("include.common.php");

$modulePath = \Utils\SessionUtils::getSessionObject("modulePath");
if(!defined('MODULE_PATH')){
	define('MODULE_PATH',$modulePath);
}

include("server.includes.inc.php");

$userLevelArray = ['Admin', 'Manager', 'Employee', 'Other', 'Anonymous'];

if($_REQUEST['a'] != "rsp" && $_REQUEST['a'] != "rpc"){
	if(empty($user) || empty($user->email) ||  empty($user->id) || !in_array($user->user_level, $userLevelArray)){
		$ret['status'] = "ERROR";
		echo json_encode($ret);
		exit();
	}
}

$action = $_REQUEST['a'];
if($action == 'get'){
	$_REQUEST['sm'] = \Classes\BaseService::getInstance()->fixJSON($_REQUEST['sm']);
	$_REQUEST['ft'] = \Classes\BaseService::getInstance()->fixJSON($_REQUEST['ft']);
	$ret['object'] = \Classes\BaseService::getInstance()->get(
		$_REQUEST['t'],
		$_REQUEST['sm'],
		$_REQUEST['ft'],
		$_REQUEST['ob']
	);
	$ret['status'] = "SUCCESS";

}else if($action == 'getElement'){
	$ret['object'] = \Classes\BaseService::getInstance()->getElement(
		$_POST['t'],
        $_POST['id'],
        \Classes\BaseService::getInstance()->fixJSON($_POST['sm'])
	);
	if(!empty($ret['object'])){
		$ret['status'] = "SUCCESS";
	}else{
		$ret['status'] = "ERROR";
	}
}else if($action == 'add'){
	if($_POST['t'] == "Report" || $_POST['t'] == "UserReport"){
		$data = $reportHandler->handleReport($_POST);
		$ret['status'] = $data[0];
		$ret['object'] = $data[1];
	}else{
		$resp = \Classes\BaseService::getInstance()->addElement($_POST['t'],$_POST);
		$ret['object'] = $resp->getData();
		$ret['status'] = $resp->getStatus();
	}


}else if($action == 'delete'){
	/* @var \Classes\IceResponse $response */
	$response = \Classes\BaseService::getInstance()->deleteElement($_POST['t'],$_POST['id']);
	if($response->getStatus() == \Classes\IceResponse::SUCCESS){
		$ret['status'] = \Classes\IceResponse::SUCCESS;
	}else{
		$ret['status'] = \Classes\IceResponse::ERROR;
	}

}else if($action == 'getFieldValues'){
	$ret['data'] = \Classes\BaseService::getInstance()->getFieldValues(
        $_POST['t'],
        $_POST['key'],
        $_POST['value'],
        $_POST['method'],
        $_POST['methodParams']
	);
	if($ret['data'] != null){
		$ret['status'] = "SUCCESS";
	}else{
		$ret['status'] = "ERROR";
	}

}else if($action == 'setAdminEmp'){
	\Classes\BaseService::getInstance()->setCurrentAdminProfile($_POST['empid']);
	$ret['status'] = "SUCCESS";

}else if($action == 'ca'){
	if(isset($_REQUEST['req'])){
		$_REQUEST['req'] = \Classes\BaseService::getInstance()->fixJSON($_REQUEST['req']);
	}
	$mod = $_REQUEST['mod'];
	$modPath = explode("=", $mod);
	$moduleCapsName = ucfirst($modPath[1]);
	/* @var \Classes\AbstractModuleManager $moduleManager */
	$moduleManager = \Classes\BaseService::getInstance()->getModuleManager($modPath[0], $modPath[1]);

	if ($moduleManager === null) {
	    exit();
    }

	$subAction = $_REQUEST['sa'];

	$apiClass = $moduleManager->getActionManager();
    $reflectionClass = null;
    try {
        $reflectionClass = new ReflectionClass($apiClass);
    } catch (ReflectionException $e) {
        exit();
    }
    $reflectionMethods = array_filter(
        $reflectionClass->getMethods(ReflectionMethod::IS_PUBLIC),
        function ($o) use ($reflectionClass) {
            return $o->class == $reflectionClass->getName();
        });

    $methods = [];
    foreach ($reflectionMethods as $method) {
        $methods[] = $method->name;
    }

    if (!in_array($subAction, $methods)) {
        exit();
    }

	$apiClass->setUser($user);
	$apiClass->setBaseService($baseService);
	$apiClass->setEmailSender($baseService->getEmailSender());

	if(isset($_REQUEST['req'])){
		$req = json_decode($_REQUEST['req']);
	}else{
		$req = new stdClass();
	}
	foreach ($_REQUEST as $k=>$v){
		if($k != 'mod' && $k != 'sa' && $k != 'a' && $k != 't' && $k != 'req'){
			if(!isset($req->$k)){
				$req->$k = $v;
			}
		}
	}
	$res = $apiClass->$subAction($req);
	$ret = $res->getJsonArray();

}else if($action == 'file'){
	$name = $_REQUEST['name'];
	$file = new \Model\File();
	$file->Load("name =?",array($name));
	$ret = array();
	$type = strtolower(substr($file->filename, strrpos($file->filename,".")+1));
	if($file->name == $name){
		$ret['status'] = "SUCCESS";
		if(\Classes\SettingsManager::getInstance()->getSetting("Files: Upload Files to S3") == '1'){
			$uploadFilesToS3Key = \Classes\SettingsManager::getInstance()->getSetting("Files: Amazon S3 Key for File Upload");
			$uploadFilesToS3Secret = \Classes\SettingsManager::getInstance()->getSetting("Files: Amazone S3 Secret for File Upload");
			$s3FileSys = new \Classes\S3FileSystem($uploadFilesToS3Key, $uploadFilesToS3Secret);
			$s3WebUrl = \Classes\SettingsManager::getInstance()->getSetting("Files: S3 Web Url");
			$fileUrl = $s3WebUrl.CLIENT_NAME."/".$file->filename;
			$fileUrl = $s3FileSys->generateExpiringURL($fileUrl);
			$file->filename = $fileUrl;

		}else if($type == "pdf"){
			$file->filename = CLIENT_BASE_URL.'data/'.$file->filename;
		}
		$ret['data']=$file;
	}else{
		$ret['status'] = "ERROR";
	}
}else if($action == 'download'){
	$fileName = $_REQUEST['file'];
	$fileName = str_replace("..","",$fileName);
	$fileName = str_replace("/","",$fileName);
	$fileName = CLIENT_BASE_PATH.'data/'.$fileName;
	if(!file_exists($fileName)){
		exit;
	}
	header('Content-Description: File Transfer');
	header('Content-Type: application/octet-stream');
	header('Content-Disposition: attachment; filename='.basename($fileName));
	header('Content-Transfer-Encoding: binary');
	header('Expires: 0');
	header('Cache-Control: must-revalidate');
	header('Pragma: public');
	header('Content-Length: ' . filesize($fileName));
	ob_clean();
	flush();
	readfile($fileName);
	exit;

}else if($action == 'rsp'){ // linked clicked from password change email
	$user = new \Users\Common\Model\User();
	if(!empty($_REQUEST['key'])){
		$arr = explode("-", $_REQUEST['key']);
		$userId = $arr[0];
		$keyArr = array_shift($arr);
		if(count($keyArr) > 1){
			$key = implode("-", $arr);
		}else{
			$key = $arr[0];
		}

		$user->Load("id = ?",array($userId));
		if(!empty($user->id)){
			\Utils\LogManager::getInstance()->info("Key : ".$key);
			$data = \Classes\Crypt\AesCtr::decrypt($key, $user->password, 256);
			if(empty($data)){
				$ret['status'] = "ERROR";
				$ret['message'] = "Invalid Key for changing password, error decrypting data";
			}else{
				$data = json_decode($data,true);
				if($data['CLIENT_NAME'] != CLIENT_NAME || $data['email'] != $user->email){
					$ret['status'] = "ERROR";
					$ret['message'] = "Invalid Key for changing password, keys do not match";
				}else{
					if(empty($_REQUEST['now'])){
						\Utils\LogManager::getInstance()->info("now not defined");
						header("Location:".CLIENT_BASE_URL."login.php?cp=1&key=".$_REQUEST['key']);
					}else{
						if(!empty($_REQUEST['pwd'])){
							if(strlen($_REQUEST['pwd']) >= 6){
								$user->password = md5($_REQUEST['pwd']);
								$user->Save();
								\Utils\LogManager::getInstance()->info("user password changed");
								$ret['status'] = "SUCCESS";
							}else{
								$ret['status'] = "ERROR";
								$ret['message'] = "Password may contain only letters, numbers and should be longer than 6 characters";
							}
						}

					}

				}
			}


		}else{
			$ret['status'] = "ERROR";
				$ret['message'] = "Invalid Key for changing password, user not found";
		}


	}else{

	}

}else if($action == 'rpc'){
	if($emailSender->sendResetPasswordEmail($_REQUEST['id'])){
		$ret['status'] = "SUCCESS";
		$ret['message'] = "An email has been sent to you with instructions for changing password";
	}else{
		$ret['status'] = "ERROR";
		$ret['message'] = "You have entered an incorrect email or user id";
	}

}else if($action == 'getNotifications'){
	$ret['data'] = $notificationManager->getLatestNotificationsAndCounts($user->id);
	$ret['status'] = "SUCCESS";

}else if($action == 'clearNotifications'){
	$notificationManager->clearNotifications($user->id);
	$ret['status'] = "SUCCESS";

}else if($action == 'verifyInstance'){
	$key = $_POST['key'];
	if(empty($key)){
		$ret['status'] = "ERROR";
		$ret['message'] = "Instance key not found";
	}else{
		$baseService->setInstanceKey($key);
		if($baseService->validateInstance()){
			$ret['status'] = "SUCCESS";
		}else{
			$ret['status'] = "ERROR";
			$ret['message'] = "Error Verifying IceHrm Instance due to invalid key. If you are keep getting this, please contact us through ".CONTACT_EMAIL;
		}
	}

} else if ($action === 'updateLanguage'){
    $language = $_POST['language'];
    $supportedLanguage = new \Metadata\Common\Model\SupportedLanguage();
    $supportedLanguage->Load('name = ?', [$language]);
    $ret['status'] = "ERROR";
    if (!empty($supportedLanguage->id) && $supportedLanguage->name === $language) {
        $languageUser = new \Users\Common\Model\User();
        $languageUser->Load('id = ?', [$user->id]);
        if (!empty($languageUser->id)) {
            $languageUser->lang = $supportedLanguage->id;
            $languageUser->Save();
            $user->lang = $languageUser->lang;
            \Utils\SessionUtils::saveSessionObject('user', $user);
            $ret['status'] = "SUCCESS";
        }
    }
}

try {
    echo \Classes\BaseService::getInstance()->safeJsonEncode($ret);
} catch (Exception $e) {
    \Utils\LogManager::getInstance()->error($e->getMessage());
    echo json_encode(['status' => 'Error']);
}