<?php

class Application_Model_ClientMapper
{
	
	protected $_dbTable;

	public function findBy($criteria, $value) 
	{		
		try{ 
			$db = Zend_Db_Table::getDefaultAdapter();
			$select = $this->getDbTable()->select() 
				->from($this->_dbTable) 
				->where($criteria . ' = ?', $value); 
			$stmt = $select->query();
			$result = $stmt->fetchAll();
			return $result;
		}catch (Zend_Exception $e) {  
			echo "Error message 2: " . $e->getMessage() . "\n";  
		}
	} 

	public function setDbTable($dbTable)
	{
		if (is_string($dbTable)) {
			$dbTable = new $dbTable();
		}

		if (!$dbTable instanceof Zend_Db_Table_Abstract) {
			throw new Exception('Invalid table data gateway provided');
		}

		$this->_dbTable = $dbTable;
		
		return $this;
	}

	public function getDbTable()
	{
		if (null === $this->_dbTable) {
			$this->setDbTable('Application_Model_DbTable_Client');
		}
		
		return $this->_dbTable;
	}

	public function save(Application_Model_Client $client)
	{
		
		$data = array('clientID'=> $client->getID() ,
						'groupID' => $client->getGroupID(), 
						'macadress'=> $client->getMacadress() ,
						'hardwarehash'=> $client->getHardwarehash() 
				);

		if (null === ($id = $client->getID()) ) {
			unset($data['clientID']);
			return $this->getDbTable()->insert($data);
		} else {
			return $this->getDbTable()->update($data, array('clientID = ?' => $id));
		}
	}
	
	public function delete(Application_Model_Client $client)
	{
		if (null === ($id = $client->getID()) ) {
			return;
		} else {
			$this->getDbTable()->delete(array('clientID = ?' => $id));
		}
	}

	public function find($id, Application_Model_Client $client)
	{
		$result = $this->getDbTable()->find($id);
		if (0 == count($result)) {
			return;
		}

		$row = $result->current();
		
		$client->setID($row->clientID)->setGroupID($row->groupID)->setMacadress($row->macadress)->setHardwarehash($row->hardwarehash);
	}

	public function fetchAll()
	{
		$resultSet = $this->getDbTable()->fetchAll();
		$entries   = array();
		foreach ($resultSet as $row) {
			$entry = new Application_Model_Client();
			
			$entry->setID($row->clientID)->setGroupID($row->groupID)->setMacadress($row->macadress)->setHardwarehash($row->hardwarehash);	

			$entries[] = $entry;
		}
		return $entries;
	}	
	
	public function compare(Application_Model_Client $v1,Application_Model_Client $v2){
		$vv1 = $v1->toArray();
		$vv2 = $v2->toArray();
		return array_diff($vv1,$vv2);
	}

	
}