using System;
using System.Collections.Generic;
using System.ComponentModel;
using Godot;
using Godot.Bridge;
using Godot.NativeInterop;

[ScriptPath("res://Scripts/UI/GenericList.cs")]
public partial class GenericList : RichTextLabel
{
	[Signal]
	public delegate void SelectedEventHandler();

	[Signal]
	public delegate void ScrolledEventHandler();

	public string[] options;

	public int maxItems = 6;

	public int current;

	private float hold;

	[Export(PropertyHint.None, "")]
	private Sprite2D soul;

	[Export(PropertyHint.None, "")]
	public ScrollBar scrollBar;

	[Export(PropertyHint.None, "")]
	public RichTextLabel label;



	public override void _EnterTree()
	{
		CallDeferred(MethodName.Populate);
	}

	public void Populate()
	{
		base.Text = "";
		for (int i = 0; i < options.Length; i++)
		{
			base.Text = base.Text + options[i] + "\n";
		}
		scrollBar.Visible = options.Length >= maxItems;
	}

	public override void _Process(double delta)
	{
		if (Input.IsActionJustPressed(Main.keys[0]))
		{
			Scroll(-1);
		}
		else if (Input.IsActionJustPressed(Main.keys[1]))
		{
			Scroll(1);
		}
		else if (Input.IsActionJustPressed(Main.keys[4]))
		{
			Audio.PlaySound(Audio.commonSounds[2]);
			EmitSignal(SignalName.Selected);
		}
	}

	private void Scroll(in int amt)
	{
		Audio.PlaySound(Audio.commonSounds[0]);
		current = Mathf.Clamp(current + amt, 0, options.Length - 1);
		UpdateCursor();
		EmitSignal(SignalName.Scrolled);
	}

	private void UpdateCursor()
	{
		soul.Position = new Vector2(-8f, 8 + current * 15);
	}


	}