<?php
/**
 * This code is licensed under AGPLv3 license or Afterlogic Software License
 * if commercial version of the product was purchased.
 * For full statements of the licenses see LICENSE-AFTERLOGIC and LICENSE-AGPL3 files.
 */

namespace Aurora\Modules\Core\Managers;

/**
 * CApiUsersManager class summary
 * 
 * @license https://www.gnu.org/licenses/agpl-3.0.html AGPL-3.0
 * @license https://afterlogic.com/products/common-licensing Afterlogic Software License
 * @copyright Copyright (c) 2019, Afterlogic Corp.
 *
 * @package Users
 */
class Users extends \Aurora\System\Managers\AbstractManager
{
	/**
	 * @var \Aurora\System\Managers\Eav
	 */
	public $oEavManager = null;
	
	/**
	 * 
	 * @param \Aurora\System\Module\AbstractModule $oModule
	 */
	public function __construct(\Aurora\System\Module\AbstractModule $oModule)
	{
		parent::__construct($oModule);
		
		$this->oEavManager = \Aurora\System\Managers\Eav::getInstance();
	}

	/**
	 * Retrieves information on particular WebMail Pro user. 
	 * 
	 * @param int|string $mUserId User identifier or UUID.
	 * 
	 * @return User | false
	 */
	public function getUser($mUserId)
	{
		$oUser = false;
		try
		{
			$oUser = $this->oEavManager->getEntity($mUserId, \Aurora\Modules\Core\Classes\User::class);
		}
		catch (\Aurora\System\Exceptions\BaseException $oException)
		{
			$oUser = false;
			$this->setLastException($oException);
		}
		return $oUser;
	}

	public function getUserByPublicId($UserPublicId)
	{
		$sUserPublicId = trim((string)$UserPublicId);
		
		if ($sUserPublicId)
		{
			$aUsers = $this->oEavManager->getEntities(\Aurora\Modules\Core\Classes\User::class, [], 0, 0, ['PublicId' => [$sUserPublicId, '=']], 'Name', \Aurora\System\Enums\SortOrder::ASC);
			if (count($aUsers) > 0)
			{
				return $aUsers[0];
			}
		}
		return null;
	}

	/**
	 * 
	 * @param string $sSearchDesc
	 * @param array $aFilters
	 * @return int
	 */
	public function getUsersCount($sSearchDesc = '', $aFilters = [])
	{
		if ($sSearchDesc !== '')
		{
			$aFilters['PublicId'] = ['%'.$sSearchDesc.'%', 'LIKE'];
			if (count($aFilters) > 1)
			{
				$aFilters = ['$AND' => $aFilters];
			}
		}
		// TODO: use getEntitiesCount when it will be fixed
		return count($this->oEavManager->getEntities(\Aurora\Modules\Core\Classes\User::class,
				array('PublicId'),
				0,
				0,
				$aFilters
				));
	}
	
	/**
	 * Obtains list of information about users.
	 * @param int $iOffset
	 * @param int $iLimit
	 * @param string $sOrderBy = 'Email'. Field by which to sort.
	 * @param int $iOrderType = 0
	 * @param string $sSearchDesc = ''. If specified, the search goes on by substring in the name and email of default account.
	 * @param array $aFilters = []
	 * @return array | false
	 */
	public function getUserList($iOffset = 0, $iLimit = 0, $sOrderBy = 'Name', $iOrderType = \Aurora\System\Enums\SortOrder::ASC, $sSearchDesc = '', $aFilters = [])
	{
		$aResult = false;
		try
		{
			if ($sSearchDesc !== '')
			{
				$aFilters['PublicId'] = ['%'.$sSearchDesc.'%', 'LIKE'];
				if (count($aFilters) > 1)
				{
					$aFilters = ['$AND' => $aFilters];
				}
			}
				
			$aResult = $this->oEavManager->getEntities(
				\Aurora\Modules\Core\Classes\User::class,
				array(
					'PublicId', 'IsDisabled', 'LastLogin', 'Name', 'IdTenant'
				),
				$iOffset,
				$iLimit,
				$aFilters,
				$sOrderBy,
				$iOrderType
			);

		}
		catch (\Aurora\System\Exceptions\BaseException $oException)
		{
			$aResult = false;
			$this->setLastException($oException);
		}
		return $aResult;
	}

	/**
	 * Determines how many users are in particular tenant. Tenant identifier is used for look up.
	 * 
	 * @param int $iTenantId Tenant identifier.
	 * 
	 * @return int | false
	 */
	public function getUsersCountForTenant($iTenantId)
	{
		$mResult = false;
		try
		{
			$mResult = $this->oStorage->getUsersCountForTenant($iTenantId);
		}
		catch (\Aurora\System\Exceptions\BaseException $oException)
		{
			$this->setLastException($oException);
		}
		return $mResult;
	}

	/**
	 * Calculates total number of users registered in WebMail Pro.
	 * 
	 * @return int
	 */
	public function getTotalUsersCount()
	{
		$iResult = 0;
		try
		{
			$iResult = $this->oEavManager->getEntitiesCount(\Aurora\Modules\Core\Classes\User::class);
		}
		catch (\Aurora\System\Exceptions\BaseException $oException)
		{
			$this->setLastException($oException);
		}
		return $iResult;
	}
	
	/**
	 * @param Aurora\Modules\Core\Classes\Channel $oUser
	 *
	 * @return bool
	 */
	public function isExists(\Aurora\Modules\Core\Classes\User $oUser)
	{
		$bResult = false;

		$oResult = $this->oEavManager->getEntity($oUser->EntityId, \Aurora\Modules\Core\Classes\User::class);
		
		if (!empty($oResult) && isset($oResult->IdTenant) && $oResult->IdTenant === $oUser->IdTenant)
		{
			$bResult = true;
		}

		return $bResult;
	}
	
	/**
	 * @param Aurora\Modules\Core\Classes\Channel $oChannel
	 *
	 * @return bool
	 */
	public function createUser (\Aurora\Modules\Core\Classes\User &$oUser)
	{
		$bResult = false;
		try
		{
			if ($oUser->validate())
			{
				if (!$this->isExists($oUser))
				{
//					$oChannel->Password = md5($oChannel->Login.mt_rand(1000, 9000).microtime(true));
					$oUser->DateCreated = date('Y-m-d H:i:s');
					
					if (!$this->oEavManager->saveEntity($oUser))
					{
						throw new \Aurora\System\Exceptions\ManagerException(Errs::UsersManager_UserCreateFailed);
					}
				}
				else
				{
					throw new \Aurora\System\Exceptions\ApiException(\Aurora\System\Notifications::UserAlreadyExists);
				}
			}

			$bResult = true;
		}
		catch (\Aurora\System\Exceptions\BaseException $oException)
		{
			$bResult = false;
			$this->setLastException($oException);
		}

		return $bResult;
	}
	
	/**
	 * @param Aurora\Modules\Core\Classes\Channel $oChannel
	 *
	 * @return bool
	 */
	public function updateUser (\Aurora\Modules\Core\Classes\User &$oUser)
	{
		$bResult = false;
		try
		{
			if ($oUser->validate() && $oUser->Role !== \Aurora\System\Enums\UserRole::SuperAdmin)
			{
				if (!$this->oEavManager->updateEntity($oUser))
				{
					throw new \Aurora\System\Exceptions\ManagerException(Errs::UsersManager_UserCreateFailed);
				}
			}

			$bResult = true;
		}
		catch (\Aurora\System\Exceptions\BaseException $oException)
		{
			$bResult = false;
			$this->setLastException($oException);
		}

		return $bResult;
	}
	
	/**
	 * @param User $oUser
	 *
	 * @return bool
	 */
	public function deleteUser (\Aurora\Modules\Core\Classes\User &$oUser)
	{
		$bResult = false;
		try
		{
//			if ($oUser->validate())
//			{
				if (!$this->oEavManager->deleteEntity($oUser->EntityId))
				{
					throw new \Aurora\System\Exceptions\ManagerException(Errs::UsersManager_UserDeleteFailed);
				}
//			}

			$bResult = true;
		}
		catch (\Aurora\System\Exceptions\BaseException $oException)
		{
			$bResult = false;
			$this->setLastException($oException);
		}

		return $bResult;
	}
}