using System;
using LavishScriptAPI;
using LavishVMAPI;
using Microsoft.Extensions.Logging;
using MRBot.Api;
using MRBot.IsxEq2;

namespace MRBot.UI;

internal class MainWindow : IWindow
{
    private const string BotControllerScript = "mr/bot/bot.iss";
    private const string BotControllerObject = "MRBotController";
    private readonly BotApi _botApi;
    private readonly ILogger<MainWindow> _logger;


    private bool UiAttached
    {
        get
        {
            var command = $"${{{BotControllerObject}.UIAttached}}";
            var uiAttached = false;

            return LavishScript.DataParse(command, ref uiAttached) && uiAttached;
        }
    }
    
    public MainWindow(BotApi botApi, ILogger<MainWindow> logger)
    {
        _botApi = botApi;
        _logger = logger;
    }

    public string Name => WindowNames.MainWindow; 
    public event EventHandler<LSEventArgs> OnWindowClose;
    public void Show()
    {
        _logger.LogTrace("Showing MainWindow.");
        LavishScript.ExecuteCommand($"run {BotControllerScript}");
        while(!UiAttached)
        {
            _logger.LogTrace("Waiting for UI to attach.");
            Frame.Wait(false);
        }
        
        LavishScript.Events.AttachEventTarget("OnBotToggle", OnBotToggle);
        LavishScript.Events.AttachEventTarget("OnBotClose", CloseBot);
        _logger.LogTrace("MainWindow shown and events are attached.");
    }

    public void Hide()
    {
        _logger.LogTrace("Hiding MainWindow.");
        LavishScript.Events.DetachEventTarget("OnBotToggle", OnBotToggle);
        LavishScript.Events.DetachEventTarget("OnBotClose", CloseBot);
        _logger.LogTrace("MainWindow hidden and events are detached.");
    }

    private void CloseBot(object sender, LSEventArgs args)
    {
        OnWindowClose?.Invoke(this, args);
    }

    private void OnBotToggle(object sender, LSEventArgs args)
    {
        _logger.LogInformation("Bot Toggled.");
        _botApi.FollowPlayer(Extension.Me.Target.Name);
    }

    public void Dispose()
    {
        LavishScript.Events.DetachEventTarget("OnBotToggle", OnBotToggle);
        LavishScript.Events.DetachEventTarget("OnBotClose", CloseBot);
        try
        {
            LavishScript.ExecuteCommand($"endscript {BotControllerScript}");
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
        }
        
    }
}