using System;
using System.Collections.Generic;
using Aitex.Core.RT.Fsm;
using Aitex.Core.RT.Routine;
using Aitex.Core.Util;
using Aitex.Triton160.RT.Device;
using Aitex.Triton160.RT.Module;
using Aitex.Triton160.RT.Routine.RT;

namespace Aitex.RT.Module
{
    public class RouteManager : Entity, IEntity
    {
        public enum STATE
        {
            INIT,
            IDLE,

            ERROR,          
            Reset,
        };

        public enum MSG
        {
            Auto,
            AutoStop,

            RESET,
            ABORT,
            ERROR,
        };
        //private device

        //routine

        private InitRoutine initRoutine = null;



        private RD_TRIG plcSync = new RD_TRIG();

        //private int state = (int)STATE.INIT;

        private Queue<IRoutine> steps = null;
        //private IRoutine curStep = null;

        public bool IsAutoMode { get; private set; }


        public string Name { get; set; }
        public string Status { get { return State2String(fsm.State); } }

     

        //bool bAuto = false;
        public RouteManager()
        {
            Name = "系统";


            //state = (int)STATE.INIT;


            fsm = new StateMachine<RouteManager>(Name, (int)STATE.INIT, 50);
            //Init sequence
            EnterExitTransition<STATE, FSM_MSG>(STATE.INIT, fStartInit, FSM_MSG.NONE, null);

            Transition(STATE.INIT, FSM_MSG.TIMER, fInit, STATE.IDLE);
            Transition(STATE.INIT, MSG.ERROR, fError, STATE.ERROR);


            //Reset
            AnyStateTransition(MSG.RESET, fStartReset, STATE.Reset);
            Transition(STATE.Reset, FSM_MSG.TIMER, fReset, STATE.IDLE);

            AnyStateTransition(MSG.ERROR, fError, STATE.ERROR);
            AnyStateTransition((int)FSM_MSG.ALARM, fError, (int)STATE.ERROR);

            //DATA.Subscribe(ModuleName.System.ToString(), ParamName.RTState, () => state);
            //DATA.Subscribe(ModuleName.System.ToString(), ParamName.RTStatus, () => Status);


            steps = new Queue<IRoutine>();

            Running = true;
        }


        public bool Check(int msg, out string reason, object[] objs)
        {
            bool bRet = true;
            reason = "";


            switch (msg)
            {
     
                case (int)MSG.Auto:
                    {
                        if (fsm.State != (int)STATE.IDLE)
                        {
                            reason = String.Format("{0}正在处理{1}，不能执行{2}", Name, State2String(fsm.State), Msg2String(msg));
                            return false;
                        }
                    }
                    break;

                default:
                    break;
            }

            return bRet;
        }

        private string Msg2String(int msg)
        {
            string result = "";
            switch (msg)
            {
                case (int)MSG.RESET:

                    result = "复位";
                    break;
                case (int)MSG.ABORT:
                    result = "终止";
                    break;

            }

            return result;
        }

        private string State2String(int state)
        {
            string result = "";


            switch (state)
            {
                case (int)STATE.INIT:
                case (int)STATE.Reset:

                    result = "初始化";
                    break;
                case (int)STATE.IDLE:
                    result = "就绪";
                    break;
                case (int)STATE.ERROR:
                    result = "错误";
                    break;
            }

            return result;
        }


        protected override bool Init()
        {
            initRoutine = new InitRoutine("System", "初始化");
            initRoutine.Initalize();

            return true;
        }





        protected override void Term()
        {
        }

        #region Init
        private bool fStartInit(object[] objs)
        {
            Running = false;
            Result ret = initRoutine.Start(objs);
            if (ret == Result.DONE)
            {
                return false;
            }
            else if (ret == Result.FAIL)
            {
                return false;  //do noting
            }
            return true;
        }

        private bool fInit(object[] objs)
        {
            Result ret = initRoutine.Monitor();
            if (ret == Result.DONE)
            {
                Running = true;
                //state = (int)STATE.IDLE;
                return true;
            }
            else if (ret == Result.FAIL)
            {
                //do nothing  
                //state = (int)STATE.ERROR;
                return true;
            }
            return false; ;
        }

        private bool fError(object[] objs)
        {
            //    refillRoutine.Abort();

            IsAutoMode = false;

            return true;
        }
        #endregion

        //#region Auto

    
        //private bool RunRecipe(string recipeName)
        //{
        //    var rManager = RecipeFileManager.Instance;

        //    var recipeContent = rManager.LoadRecipe(ModuleName.System.ToString(), recipeName, true);

        //    if (string.IsNullOrEmpty(recipeContent))
        //    {
        //        EV.PostMessage(ModuleName.System.ToString(), EventEnum.PrepareProcessErr, ModuleName.System.ToString(), string.Format("工艺程序{0}读取错误", recipeName));
        //        return false;   // The recipe is invalide.
        //    }

        //    List<string> reasons;
        //    if (!rManager.CheckRecipe(ModuleName.System.ToString(), recipeContent, out reasons))
        //    {
        //        EV.PostMessage(ModuleName.System.ToString(), EventEnum.PrepareProcessErr, ModuleName.System.ToString(), string.Format("工艺程序{0}内容存在错误", recipeName));

        //        string info = "";
        //        foreach (var item in reasons)
        //            info += item;
        //        EV.PostPopDialogMessage(EventLevel.Alarm, String.Format("工艺程序{0} 错误", recipeName), info);
        //        return false;   //Recipe content check.
        //    }

        //    string reason = String.Empty;

        //    Singleton<PMEntity>.Instance.PostMsg(PMEntity.MSG.Process, recipeName, recipeContent);
        //    return true;

        //}

        //#endregion

        #region reset

        private bool fStartReset(object[] objs)
        {
            Singleton<DeviceEntity>.Instance.PostMsg(DeviceEntity.MSG.RESET);
            Singleton<PMEntity>.Instance.PostMsg(PMEntity.MSG.Reset);

            return true;
        }
     
        private bool fReset(object[] objs)
        {
            int elapsed = fsm.ElapsedTime;
            if (elapsed > 500)   //wait 2s
            {
                //notify
                reset();

                if (fsm.State == (int)STATE.ERROR)
                    return true;

                return false;
            }
            return false;
        }

        private void reset()
        {

            IsAutoMode = false;
            string reason = string.Empty;
        }

        #endregion
    }
}