<?
class Site
{
	public $name;

	public $initial_processors = array();
	public $current_initial_processor = 0;

	public $rebill_processors = array();
	public $current_rebill_processor = 0;
	
	private $lock;
	
	function __construct($name)
	{
		$this->name = $name;
	}
	
	function __sleep()
	{
		return array('name','initial_processors','current_initial_processor','rebill_processors','current_rebill_processor');
	}
	
	function Acquire()
	{
		//TODO: this line intermitantly causes the server to lock up because owner permissions get fowled up. 
		//$this->lock = fopen("/tmp/merchant" . $this->name . "lock.txt", "w+");
		//flock($this->lock, LOCK_EX);
	}
	function Release()
	{
		//flock($this->lock, LOCK_UN);
		//fclose($this->lock);
	}

	function IncrementInitialProcessor()
	{
		$this->current_initial_processor++;
		if ($this->current_initial_processor > (count($this->initial_processors)-1))
		{
			$this->current_initial_processor = 0;
		}
	}
	
	function IncrementRebillProcessor()
	{
		$this->current_rebill_processor++;
		if ($this->current_rebill_processor > (count($this->rebill_processors)-1))
		{
			$this->current_rebill_processor = 0;
		}	
	}
	function GetInitialProcessor($amount)
	{
		$proc = $this->initial_processors[$this->current_initial_processor];
		if ($proc->CheckLimit($amount)) { return $proc;}
		else 
		{
			$this->IncrementInitialProcessor();
			return $this->GetInitialProcessor($amount);
		}
	}
	
	/*
	If the requested rebill processor is not found default to the next
	defined rebill processor
	*/
	function GetRebillProcessor($amount, $rebill_processor = '')
	{	
		$proc = NULL; 
		if(trim($rebill_processor) != '') {
			$numb_procs = count($this->rebill_processors); 
			for($proc_index = 0; $proc_index < $numb_procs; $proc_index++) {
				if($this->rebill_processors[$proc_index]->name == $rebill_processor) {
					$this->current_rebill_processor = $proc_index; 
					$proc = $this->rebill_processors[$this->current_rebill_processor]; 
					break;
				}
			}
		} else {
			$this->IncrementRebillProcessor();
			$proc = $this->rebill_processors[$this->current_rebill_processor];
		}
		
		if (!empty($proc) && get_class($proc) == 'Processor' && $proc->CheckLimit($amount)) { 
			return $proc; 
		} else {	
			return $this->GetRebillProcessor($amount);
		}
	}
	
	function AddInitialAmount($amount)
	{
		$proc = $this->initial_processors[$this->current_initial_processor];
		$proc->AddAmount($amount);
		#$this->IncrementInitialProcessor();
	}
	
	function AddRebillAmount($amount)
	{
		$proc = $this->rebill_processors[$this->current_rebill_processor];
		$proc->AddAmount($amount);
		#$this->IncrementRebillProcessor();
	}
	function ResetAmountCharged()
	{
		foreach ($this->initial_processors as $proc)
		{
			$proc->ResetAmountCharged();
		}

		foreach ($this->rebill_processors as $proc)
		{
			$proc->ResetAmountCharged();
		}

	}
}
?>