using System.Linq;
using Godot;

public class CraftNode : ProgramNode
{
	public Item selectedItem;
	public int amount;
	public CraftNode()
	{
		DisplayText = "Craft";
	}
	public override NodeResult Execute(Robot robot, double delta)
	{
		if (selectedItem == null)
		{
			lastExecutionMessage = "No Item selected";
			return NodeResult.FAILURE;
		}
		if (amount <= 0)
		{
			lastExecutionMessage = "Amount has to be atleast 1";
			return NodeResult.FAILURE;
		}
		if (!GameData.inventory.CanCraft(selectedItem.data.Inputs, amount))
		{
			lastExecutionMessage = "Not enough items to craft this";
			return NodeResult.FAILURE;
		}

		switch (selectedItem.Craft(amount, delta))
		{
			case CraftingResult.FAILED:
				lastExecutionMessage = "Not enough space to add item to inventory";
				return NodeResult.FAILURE;
			case CraftingResult.FINISHED:
				return NodeResult.SUCCESS;
		}

		return NodeResult.RUNNING;
	}

	public override void ReadParameters(NodeDisplay display)
	{
		HBoxContainer valueContainer = display.GetNode<HBoxContainer>("./EditorDisplay/HBoxContainer/");
		OptionButton items = valueContainer.GetNode<OptionButton>("./Item");
		string readableItem = items.GetItemText(items.GetSelectedId());
		if (GameData.availableItems.ContainsKey(ItemData.GetIndex(readableItem)))
		{
			selectedItem = new Item { data = GameData.availableItems[ItemData.GetIndex(readableItem)] };
		}
		amount = (int)valueContainer.GetNode<SpinBox>("./Amount").Value;
	}

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

	public override void Setup(NodeDisplay display)
	{
		OptionButton options = display.GetNode<OptionButton>("./EditorDisplay/HBoxContainer/Item");
		options.AddItem("Select item...");
		foreach (ItemData item in GameData.availableItems.Values)
		{
			if (item.Inputs.Count > 0)
			{
				options.AddItem(item.GetReadableName());
			}
		}
		if (selectedItem != null)
		{
			for (int i = 0; i < options.ItemCount; i++)
			{
				if (ItemData.GetIndex(options.GetItemText(i)) == selectedItem.data.Id)
				{
					options.Select(i);
					break;
				}
			}
		}
	}

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