using DiscordBotCore;
using DiscordBotCore.Logging;
using DiscordBotCore.Others;

namespace CppCompatibilityModule;

public class ExternalApplicationHandler 
{
    private readonly ILogger _Logger;
    private ExternalApplicationManager? _ExternalApplicationManager;
    
    public ExternalApplicationHandler(ILogger logger)
    {
        _Logger = logger;
        _ExternalApplicationManager = new ExternalApplicationManager(logger);
    }

    public Guid CreateApplication(string dllFilePath)
    {

        if (_ExternalApplicationManager is null)
        {
            _Logger.Log("Failed to create application because the manager is not initialized. This should have never happened in the first place !!!", this, LogType.Critical);
            return Guid.Empty;
        }

        if (_ExternalApplicationManager.TryCreateApplication(dllFilePath, out Guid appId))
        {
            return appId;
        }

        return Guid.Empty;
    }

    public void StopApplication(Guid applicationId)
    {
        if (_ExternalApplicationManager is null)
        {
            _Logger.Log("Failed to stop application because the manager is not initialized. This should have never happened in the first place!!!", this, LogType.Critical);
            return;
        }

        _ExternalApplicationManager.FreeApplication(applicationId);
    }

    public void CallFunctionWithParameter(Guid appId, string functionName, ref object parameter)
    {
        if (_ExternalApplicationManager is null)
        {
            _Logger.Log("Failed to call function because the manager is not initialized. This should have never happened in the first place!!!", this, LogType.Critical);
            return;
        }

        _ExternalApplicationManager.ExecuteApplicationFunctionWithParameter(appId, functionName, ref parameter);
    }

    public void CallFunctionWithoutParameter(Guid appId, string functionName)
    {
        if (_ExternalApplicationManager is null)
        {
            _Logger.Log("Failed to call function because the manager is not initialized. This should have never happened in the first place!!!", this, LogType.Critical);
            return;
        }

        _ExternalApplicationManager.ExecuteApplicationFunctionWithoutParameter(appId, functionName);
    }
}