using Godot;
using Texty.Scripts.Terminal;

namespace Texty.Scripts.Game;

[Tool]
public partial class CommandInputArea : InputArea
{
    [Signal] public delegate void CommandSubmittedEventHandler(Command command);
    [Signal] public delegate void UnknownInputSubmittedEventHandler(string text);

    private CommandParser CommandParser => GetNodeOrNull<CommandParser>($"%{nameof(CommandParser)}");

    public override void _Ready()
    {
        TextInput.GrabFocus();
    }

    public override void OnTextEntered(string text)
    {
        if (text.Length == 0)
            return;

        TextInput.Clear();
        var command = CommandParser.TryParse(text);
        if (command != null)
            EmitSignal(SignalName.CommandSubmitted, command);
        else
            EmitSignal(SignalName.UnknownInputSubmitted, text);
    }
}