using Godot;
using Texty.Scripts.Terminal;

namespace Texty.Scripts.Game
{
    [Tool]
    public class CommandInputArea : InputArea
    {
        [Signal] public delegate void CommandSubmitted(Command command);
        [Signal] public delegate void UnknownInputSubmitted(string text);
        
        private CommandParser CommandParser => GetNodeOrNull<CommandParser>($"%{nameof(CommandParser)}");
        
        public override void _Ready()
        {
            TextInput.GrabFocus();
        }

        public override void OnTextEntered(string text)
        {
            if (text.Empty())
                return;

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