using System;
using System.Collections.Generic;
using System.Linq;
using Sfs2X;
using Sfs2X.Core;
using Sfs2X.Entities;
using Sfs2X.Entities.Data;
using Sfs2X.Requests;
using UnityEngine;

public enum BatchOption
{
    Always,
    TryNot,
}

public enum RequestType
{
    Batch,
    BatchAndOverride,
    Immediate,
}

public class GardenSmartFox
{
    #region Config

    public User User;
    public SmartFox SmartFox;
    public BaseLoggor Loggor;
    public BaseConnector Connector;
    public SFSEventManager EventManager;
    public PlazaRoomController PlazaRoomController;

    public float BatchTime = 3f;
    public float BatchTimer = 0f;
    public List<string> StaleRequests = new List<string>();
    public List<SFSObject> BatchRequestList = new List<SFSObject>();
    public Dictionary<string, SFSObject> BatchOverrideRequests = new Dictionary<string, SFSObject>();

    #endregion

    public GardenSmartFox()
    {
        SmartFox = new SmartFox();

        Loggor = new Loggor().Init(this);
        Connector = new Connector().Init(this);
        EventManager = new SFSEventManager(this);
        PlazaRoomController = new PlazaRoomController(this);
    }

    public void ExecuteAfterCheckConection(Action execute = null, Action<bool, BaseEvent> onConnectResult = null, Action<bool, BaseEvent> onLoginResult = null)
    {
        if (!SmartFox.IsConnected)
        {
            Reset();

            Connector.Connect();

            if (onConnectResult != null)
            {
                new CounterAction<bool, BaseEvent>
                (
                    (succeed, baseEvent) =>
                    {
                        onConnectResult.Invoke(succeed, baseEvent);
                    }
                ).Bind(ref Connector.onConnectResult);
            }

            if (onLoginResult != null)
            {
                new CounterAction<bool, BaseEvent>
                (
                    (succeed, baseEvent) =>
                    {
                        onLoginResult.Invoke(succeed, baseEvent);
                    }
                ).Bind(ref Loggor.onLoginReturn);
            }

            new CounterAction<BaseEvent>
            (
                baseEven =>
                {
                    execute.SafeInvoke();
                }
            ).Bind(ref Loggor.onLogin);
        }
        else
        {
            execute.SafeInvoke();
        }
    }


    public void Reset()
    {
        SmartFox = new SmartFox();
        
        Loggor.Init(this);
        Connector.Init(this);
        EventManager = new SFSEventManager(this);
    }

    public void ProcessRequest()
    {
        BatchTimer += Time.deltaTime;

        if (BatchTimer >= BatchTime)
        {
            BatchTimer = 0;

            StaleRequests = new List<string>();

            if (BatchRequestList.Count > 0 || BatchOverrideRequests.Count > 0)
            {
                BatchRequestList.AddRange(BatchOverrideRequests.Values.ToList());

                SendRequest(BatchRequestList);

                BatchRequestList = new List<SFSObject>();
                BatchOverrideRequests = new Dictionary<string, SFSObject>();
            }
        }
    }


    public void AddRequest(SFSObject sfsObject, RequestType requestType, string requestName = null, BatchOption batchOption = BatchOption.Always)
    {
        if (requestType == RequestType.Immediate)
        {
            SendRequest(sfsObject);
        }
        else if (requestType == RequestType.Batch)
        {
            if (CheckBatchOption(sfsObject, requestName, batchOption))
            {
                return;
            }
            else
            {
                BatchRequestList.Add(sfsObject);
            }
        }
        else if (requestType == RequestType.BatchAndOverride)
        {
            if (CheckBatchOption(sfsObject, requestName, batchOption))
            {
                return;
            }
            else
            {
                if (BatchOverrideRequests.ContainsKey(requestName))
                {
                    BatchOverrideRequests[requestName] = sfsObject;
                }
                else
                {
                    BatchOverrideRequests.Add(requestName, sfsObject);
                }
            }
        }
        else
        {
            throw new Exception();
        }
    }

    private bool CheckBatchOption(SFSObject sfsObject, string requestName, BatchOption batchOption)
    {
        if (batchOption == BatchOption.Always)
        {
            return false;
        }
        else if (batchOption == BatchOption.TryNot)
        {
            if (!StaleRequests.Contains(requestName))
            {
                SendRequest(sfsObject);
                StaleRequests.Add(requestName);
                return true;
            }
            else
            {
                return false;
            }
        }
        else
        {
            throw new Exception();
        }
    }


    private void SendRequest(SFSObject parameter)
    {
        parameter = WrapIntoArray(new List<SFSObject>() { parameter });

        SmartFox.Send(new ExtensionRequest(HandlerID.PlazaRoom.GetHashString(), parameter));
    }

    private void SendRequest(List<SFSObject> parameters)
    {
        SFSObject parameter = WrapIntoArray(parameters);

        SmartFox.Send(new ExtensionRequest(HandlerID.PlazaRoom.GetHashString(), parameter));
    }

    public static SFSObject WrapIntoArray(List<SFSObject> sfsObjects)
    {
        SFSObject obj = new SFSObject();

        SFSArray sfsArray = new SFSArray();
        foreach (var sfsObject in sfsObjects)
        {
            sfsArray.AddSFSObject(sfsObject);
        }

        obj.PutSFSArray(SFSLabel.DataArray, sfsArray);

        return obj;
    }
}