//bunch of usings, more that you need but pay attention to System.Threading, etc
using System;
using System.Net;
using System.Configuration;
using System.ComponentModel.Composition;
using VVVV.PluginInterfaces.V1;
using VVVV.PluginInterfaces.V2;
using VVVV.Utils.VColor;
using VVVV.Utils.VMath;
using VVVV.Core.Logging;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Timers;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Runtime;
using System.Runtime.InteropServices;
 
 
namespace VVVV.Nodes
{
    [PluginInfo(Name = "DoSomethingNode", Help = "nada", Tags = "tags", Author="evvvvil")]
 
    public class DoSomethingNode : IPluginEvaluate
    {
        [Input("Do Something", IsBang = true, IsSingle = true)]
        public ISpread<bool> FInputDoSomething;
 
        [Input("Do Something Param 1 & 2")]
        public ISpread<int> FInputDoSomethingParam;
 
        [Input("Cancel Do Something", IsBang = true, IsSingle = true)]
        public ISpread<bool> FInputCancel;
 
        [Output("Do Something Result")]
        public ISpread<int> FOutputDoSomething;
 
        [Output("Do Something Status")]
        public ISpread<string> FOutputStatus;
 
        //add connection to TTY renderer for debugging, like console
        [Import()]
        public ILogger FLogger;
 
        public CancellationTokenSource DoSomethingToken;
        public Task DoSomethingTask;
        public bool canceledTask;
 
        //define your dosomething(int param1... as global variables
        //we will set them before calling the function, see "evaluate"
        public int param1;
        public int param2;
 
        public void DoSomething(){
        canceledTask=false;
        //totally doing something with param1 & param2 too like in a loop
        int finalResult = 0;
        for (int i = 0; i < 1000; i++)
                {
                    finalResult += param1 * param2;
 
                    //this may or may not be necessary
                    if (canceledTask)
                    {
                        break;
                    }
                }
        //pass final result or pass 0 if it's been canceled
        if(!canceledTask){
        FOutputDoSomething[0]=finalResult;
        FOutputStatus[0] = "Nice one, result displayed.";
        FLogger.Log(LogType.Debug, "Nice one, result displayed.");
        }
        else{
        FOutputDoSomething[0]=0;
        }
        }
 
 
        public void Evaluate(int SpreadMax)
        {
 
            if (FInputDoSomething[0])
            {
                if ((DoSomethingTask != null && DoSomethingTask.Status == TaskStatus.Running))
                    {
                        FOutputStatus[0] = "Action already running bro";
                        FLogger.Log(LogType.Debug, "Action already running bro");
                    }
                    else
                    {
                        if(FInputDoSomethingParam.SliceCount==2){
                        param1 = FInputDoSomethingParam[0];
                        param2 = FInputDoSomethingParam[1];
                        DoSomethingToken = new CancellationTokenSource();
                        DoSomethingTask = new Task(DoSomething, DoSomethingToken.Token);
                        DoSomethingTask.Start();
                        }
                        else{
                        FOutputStatus[0] = "Bad number of parameters/slices in your spread";
                        FLogger.Log(LogType.Debug, "Bad number of parameters/slices in your spread");
                        }
                    }
            }
 
 
 
            if (FInputCancel[0])
            {
                bool boolo = false;
                if (DoSomethingTask != null && DoSomethingTask.Status == TaskStatus.Running)
                {
                    DoSomethingToken.Cancel();
                    canceledTask = true;
                    boolo = true;
                }
                if (!boolo)
                {
                    FOutputStatus[0] = "No action currently running, fuck face.";
                    FLogger.Log(LogType.Debug, "No action currently running, fuck face.");
                }else{
                    FOutputStatus[0] = "CANCELED! You are SO in control bro";
                    FLogger.Log(LogType.Debug, "CANCELED! You are SO in control bro");
                }
            }
         }        
    }   
}