private function checkMix():Boolean
{
	if(_selectedProductData)
	{
		//product selected
		return checkProductData();
	}else if(!_selectedProductData && _processManager.processes.length)
	{
		//no product selected, but processes have been added
		return checkProductFreeData();
		return false;
	}else
	{
		//no product selected, no processes added
		return false;
	}
	_checkMix.visible = false;
}

private function checkProductData():Boolean
{
	var selectedProcesses:Array = _selectedProductData['processes'];
	var processes:Array = _processManager.processes;
	var checkProcesses:Boolean = checkProcessData(selectedProcesses, processes, true);
	if(checkProcesses)
	{
		//processes are correct
		for(var i:int=0;i<processes.length;i++)
		{
			var process:Object = processes[i];
			var checkIngredients:Boolean = checkIngredientData(process, _selectedProductData['ingredients'], true);
			if(checkIngredients)
			{
				//ingredients correct
				addSuccessNotification("Congratulations, your mix is correct!");
			}else
			{
				//ingredients incorrect
				return false;
			}
		}
		return true;
	}else
	{
		return false;
	}
}

private function checkProductFreeData():Boolean
{
	var processes:Array = _processManager.processes;
	processCheck: for(var i:int=0;i<_products.length;i++)
	{
		var product:Object = _products[i];
		var selectedProcesses:Array = product['processes'];
		var checkProcesses:Boolean = checkProcessData(selectedProcesses, processes, false);
		if(checkProcesses)
		{
			//processes are correct
			var matches:int = 0;
			ingredientCheck: for(var j:int=0;j<processes.length;j++)
			{
				var process:Object = processes[j];
				var checkIngredients:Boolean = checkIngredientData(process, product['ingredients'], false);
				if(checkIngredients)
				{
					matches++;
				}
			}
			if(matches === processes.length)
			{
				var classString:String = product['title'].replace(" ", "")..replace(" ", "");
				var productIcon:Sprite = addIcons([classString], "com.assets.structure.primary.products.ui.")[classString];
				addSuccessNotification("Excellent! You have successfully made a dairy product.");
				//dispatch free product made
				dispatchEvent(new ProductEvent("PRODUCT_CREATED", true, false, product['title'], null, productIcon, product));
				_selectedProductData = product;
				return true;
				break processCheck;
			}
		}
	}
	addErrorNotification("Mix does not match any product.");
	return false;
}

private function checkProcessData(processes:Array, currentProcesses:Array, useNotifications:Boolean):Boolean
{
	var matchingProcesses:int = 0;
	if(currentProcesses.length && currentProcesses.length === processes.length)
	{
		//processes exist and number of processes is correct
		productCheck: for(var i:int=0;i<processes.length;i++)
		{
			var currentProcessData:Object = currentProcesses[i];
			var currentProcess:Process = currentProcesses[i]['instance'];
			var process:Object = processes[i];
			if(currentProcessData['name'] !== (process['primarytitle'] + " " + process['subtitle']) && currentProcessData['name'] !== process['title'])
			{
				//wrong process found
				if(useNotifications)
				{
					addErrorNotification("You have selected a process that is not used to make this dairy product.");
				}
				return false;
				break productCheck;
			}
		}
		//process has correct number of processes + order, and has corect number of ingredients + order
		return true;
	}else
	{
		//processes don't exist or incorrect number of processes added
		if(useNotifications)
		{
			addErrorNotification("You have used too many or not enough processes to make this dairy product. Add more processes or clear the screen and try again!");
		}
		return false;
	}
}

private function checkIngredientData(currentProcessData:Object, ingredients:Array, useNotifications:Boolean):Boolean
{
	var currentIngredients:Array = currentProcessData['instance']['ingredients'];
	var dataIngredients:Array = getApplicableIngredients(currentProcessData['name']);
	var processIngredients:Array = getProcessIngredients(dataIngredients, ingredients);
	if(processIngredients.length === currentIngredients.length)
	{
		//correct # of ingredients
		var orderCheck:Boolean = checkIngredientOrder(processIngredients, currentIngredients);
		if(orderCheck)
		{
			//correct ingredients
		}else if(!orderCheck)
		{
			//incorrect ingredients
			if(useNotifications)
			{
				addErrorNotification("You have added an ingredient that is not used to make this dairy product.");
			}
			return false;
		}
	}else if(processIngredients.length !== currentIngredients.length)
	{
		//not enough ingredients
		if(useNotifications)
		{
			addErrorNotification("The dairy product has too many or not enough ingredients. Add more ingredients or take some away.");
		}
		return false;
	}
	return true;
}

private function getApplicableIngredients(processName:String):Array
{
	var temp:Array = [];
	var ingredients:Array = _ingredientList.slice(0);
	for(var i:int=0;i<ingredients.length;i++)
	{
		var ingredient:Object = ingredients[i];
		if(ingredient['process'] === processName)
		{
			temp.push(ingredient);
		}
		ingredient = null;
	}
	ingredients = null;
	return temp;
}

private function getProcessIngredients(dataIngredients:Array, ingredients:Array):Array
{
	var temp:Array = [];
	var i1:Array = dataIngredients.slice(0);
	var i2:Array = ingredients.slice(0);
	dataCheck: for(var i:int=0;i<i1.length;i++)
	{
		var dataIngredient:Object = i1[i];
		titleCheck: for(var j:int=0;j<i2.length;j++)
		{
			var ingredient:Object = i2[j];
			if(dataIngredient['title'] === ingredient['title'])
			{
				temp.push(dataIngredient);
				ingredient = null;
				break titleCheck;
			}
		}
		dataIngredient = null;
	}
	i1 = null, i2 = null;
	return temp;
}

private function checkIngredientOrder(ingredients:Array, processIngredients:Array):Boolean
{
	var i1:Array = ingredients.slice(0);
	var i2:Array = processIngredients.slice(0);
	var temp:Array = [];
	ingredientCheck: for(var i:int=0;i<i1.length;i++)
	{
		var ingredient:Object = i1[i];
		titleCheck: for(var j:int=0;j<i2.length;j++)
		{
			var processIngredient:Object = i2[j];
			if(processIngredient['title'] === ingredient['title'])
			{
				temp.push(ingredient);
				break titleCheck;
			}
		}
		if(temp.length <= i)
		{
			return false;
			break ingredientCheck;
		}
	}
	return true;
}