using Godot;

namespace Texty.Scripts.Game
{
    public class Input : PanelContainer
    {
        [Signal] public delegate void CommandSubmitted(Command command);
        [Signal] public delegate void UnknownInputSubmitted(string text);

        private CommandParser CommandParser => GetNodeOrNull<CommandParser>($"%{nameof(CommandParser)}");
        private Label PromptLabel => GetNodeOrNull<Label>($"%{nameof(PromptLabel)}");
        private LineEdit TextInput => GetNodeOrNull<LineEdit>($"%{nameof(TextInput)}");

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

        public 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);
        }
    }
}