YAHOO.namespace("sbf.stock.items");

YAHOO.sbf.stock.items.addItemSuccess = function(o)
{
  if (o.responseText !== undefined)
    {
      var result = o.responseText.parseJSON();
      if (result.sb.result == "ok")
        {
	  parent.location = document.referrer;
        }
      else
	{
	  alert(o.responseText);
	}
    }
};

YAHOO.sbf.stock.items.addItemCallback = 
{
  success: YAHOO.sbf.stock.items.addItemSuccess,
  failure: YAHOO.sbf.CallbackFail
};

YAHOO.sbf.stock.items.addItem = function()
{
  var quantity = document.item_admin.quantity.value;
  if (quantity == "")
    {
      alert("Please enter a quantity");
    }
  else
    {
      var json = "{\"sb\": {\"data\": " + YAHOO.sbf.getJSONFromForm(document.item_admin) + "} }";
      var service = "/apps/stock/service/additem/v1";
      var callback = YAHOO.sbf.stock.items.addItemCallback;
      YAHOO.sbf.jsonservicecall(service, json, callback);
    }
};


YAHOO.sbf.stock.items.addToCartSuccess = function(o)
{
  if (o.responseText !== undefined)
    {
      var result = o.responseText.parseJSON();
      if (result.sb.result == "ok")
	{
	  var requested = result.sb.requested;
	  var allocated = result.sb.allocated;
	  var product_id = result.sb.product_id;
	  
	  var stock_level = document.getElementById("product_"+product_id).innerHTML;
	  stock_level = parseInt(stock_level);
	  stock_level = stock_level - allocated;
	  document.getElementById("product_"+product_id).innerHTML = stock_level;
	  document.getElementById("cart_level").innerHTML = result.sb.cart_count;

	  if (allocated == 0)
	    {
	      document.getElementById("product_"+product_id).innerHTML = "0";
	    }

	  if ((stock_level < 1) || (allocated == 0))
	    {
	      
	      
	      var newHtml = "<span class=\"action_button\">";

	      newHtml += "  <a href='/site/request/index.php?product_id="+product_id+"'>";
	      newHtml += "    Request Part";
	      newHtml += "  </a>";
	      newHtml += "</span>";
	      	      

	      var cart_form = document.getElementById("cart_form_"+product_id);
	      cart_form.innerHTML = newHtml;
	    }

	  if (requested > allocated)
	    {
	      var alert_string = "We are unable to provide the quantity you requested.";
	      if (allocated == 0) 
		{
		  alert_string += " None available";
	        }
	      else
		{
		  alert_string += " Only "+allocated+" available";
		}
	    }
	  else
	    {
	      alert_string = allocated + " Items Added to your Cart"; 
	    }
	  alert(alert_string);
	  
	}
    }
};

YAHOO.sbf.stock.items.addToCartCallback = 
{
  success: YAHOO.sbf.stock.items.addToCartSuccess,
  failure: YAHOO.sbf.CallbackFail
};

YAHOO.sbf.stock.items.addToCart = function(my_id)
{
  var my_form = document.getElementById("item_cart_"+my_id);
  var json = "{\"sb\": {\"data\": { \"session_id\": \"95325de63fe181617e2c310740ec602c\", " + YAHOO.sbf.getOpenJSONFromForm(my_form) + "} } }";
  var service = "/apps/stock/service/addtocart/v1";
  var callback = YAHOO.sbf.stock.items.addToCartCallback;
  YAHOO.sbf.jsonservicecall(service, json, callback);
};