using Godot;
using System;
using System.Collections.Generic;

public partial class CodingWindow : PanelContainer
{
	[Export] VBoxContainer codeBlocks;
	[Export] VBoxContainer editorWindow;
	[Export] VBoxContainer robotList;
	[Signal]
	public delegate void OnRobotClickedEventHandler(Robot robot);
	public Dictionary<ProgramNode, PackedScene> DSLNodes;

	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
		DSLNodes = ResourceLoader.LoadDSLNodes();
		GenerateCodingBlocks();
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
		if (Input.IsActionJustPressed("codingwindow"))
		{
			Visible = !Visible;
			GameData.canMove = !Visible;
			if (Visible)
			{
				ReloadRobots();
			}
		}
	}

	//Move, Harvest, Craft
	public void GenerateCodingBlocks()
	{
		Button button;
		foreach (ProgramNode node in DSLNodes.Keys)
		{
			button = new Button
			{
				Text = node.DisplayText,
				Name = node.DisplayText
			};
			button.Pressed += () =>
			{
				editorWindow.AddChild(DSLNodes[node].Instantiate());
			};
			codeBlocks.AddChild(button);
		}
	}

	public void ReloadRobots()
	{
		foreach (Node node in robotList.GetChildren())
		{
			robotList.RemoveChild(node);
			node.QueueFree();
		}
		Button button;

		foreach (Robot robotObject in GameData.robots)
		{
			button = new Button
			{
				Text = robotObject.Name,
				Name = robotObject.Name
			};
			button.Pressed += () =>
			{
				EmitSignal(SignalName.OnRobotClicked, robotObject);
			};
			robotList.AddChild(button);
		}
	}

	public void ClearWindow()
	{
		foreach (Node node in editorWindow.GetChildren())
		{
			editorWindow.RemoveChild(node);
			node.QueueFree();
		}
	}

	public void CompileProgram()
	{

	}
}