using Godot;

public class WhileNode : ProgramNode
{
	public Item selectedItem;
	public int amount;
	public string comparator;
	public WhileNode()
	{
		DisplayText = "While";
	}
	public override NodeResult Execute(Robot robot, double delta)
	{

		if (selectedItem == null)
		{
			lastExecutionMessage = "No Item selected";
			return NodeResult.FAILURE;
		}

		bool isConditionFulfilled = DetermineCondition();
		return isConditionFulfilled? NodeResult.SUCCESS : NodeResult.CONDITIONFALSE;
	}

	private bool DetermineCondition()
	{
		int inventoryAmount = GameData.inventory.GetItemAmount(selectedItem.data.Id);
		switch (comparator)
		{
			case "is bigger than":
				return inventoryAmount > amount;
			case "is less than":
				return inventoryAmount < amount;
			case "is not":
				return inventoryAmount != amount;
			case "is less than or equal to":
				return inventoryAmount <= amount;
			case "is bigger than or equal to":
				return inventoryAmount >= amount;
			default:
				return inventoryAmount == amount;
		}
	}

	public override ProgramNode Duplicate()
	{
		WhileNode duplicate = new WhileNode()
		{
			selectedItem = selectedItem,
			amount = amount,
			comparator = comparator
		};
		return duplicate;
	}

	public override string Save()
	{
		return $"Name: {DisplayText}, Item: {(selectedItem == null ? "Empty" : selectedItem.data.Id)}, Comparator: {comparator}, Amount: {amount}";
	}
}