using Game.Features.Console.Application;
using Game.Features.Console.Contracts;
using Game.Features.Console.Infrastructure;
using Game.Features.Logging.Contracts;
using Game.Godot;
using Game.Godot.Extensions;
using Game.Godot.Mappings;
using Godot;

namespace Game.Features.Console.Godot;

public partial class ConsoleController : CanvasLayer, ILogTarget
{
    [Export] public LineEdit CommandInput;
    [Export] public RichTextLabel OutputLog;

    private CommandExecute _commandExecute = new(new CommandRegistry());
    private MouseCapture.Memento _mouseMemento;

    private void Toggle()
    {
        Visible = !Visible;

        if (Visible)
        {
            GamePause.Pause();
            _mouseMemento = MouseCapture.SaveCaptureMode();
            CommandInput.GrabFocus();
        }
        else
        {
            GamePause.Resume();
            _mouseMemento.RestoreCaptureMode();
        }
    }
    
    private void OnInputSubmitted(string text)
    {
        CommandInput.Clear();

        if (text.Length == 0) return;

        AppendLine($"> {text}");

        CommandResult result = _commandExecute.Execute(text);
        if (result.ClearOutput)
        {
            OutputLog.Clear();
            return;
        }

        if (result.Message.Length > 0)
        {
            AppendLine(result.Message);
        }
    }

    private void AppendLine(string line)
    {
        OutputLog.AppendText(line + "\n");
    }
    
    public void UseCommandRegistry(ICommandRegistry registry)
    {
        _commandExecute = new CommandExecute(registry);
    }
    
    public void WriteLogLine(string logLine)
    {
        AppendLine(logLine);
    }

    public override void _Ready()
    {
        this.AssertRequiredExports();
        Visible = false;
        GamePause.SetIgnoresPause(this, true);
    }

    public override void _Input(InputEvent @event)
    {
        if (!@event.IsActionPressed(InputAction.ToggleConsole.ActionName())) return;
        
        Toggle();
        GetViewport().SetInputAsHandled();
    }
}