using System;
using Aitex.Core.RT.Event;
using Aitex.Core.RT.Fsm;
using Aitex.Core.RT.Log;
using Aitex.Core.RT.OperationCenter;
using Aitex.Core.RT.Routine;
using Aitex.Core.Util;
using EFEM.RT.Modules;
using EFEM.RT.Routines.LP;
using MECF.Framework.Common.Equipment;

namespace EFEM.RT.Devices
{
    class LoadPortEntity : Entity, IEntity
    {
        public enum STATE
        {
            INIT,
            IDLE,

            HOME,
            LOAD,
            UNLOAD,
            READ,
            WRITE,
            ReadAndLoad,

            ERROR,
            Reset,
        };

        public enum MSG
        {
            HOME,

            ReadRFID,
            WriteRFID,
            Load,
            Unload,
            ReadAndLoad,

            RESET,
            ABORT,
            ERROR,
        };


        //routine
        private HomeRoutine homeRoutine = null;
        private LoadFoupRoutine loadRoutine = null;
        private UnloadFoupRoutine unloadRoutine = null;
 
        private ReadAndLoadRoutine readAndLoadRoutine = null;


        public string Name { get; set; }


        public bool IsIdle
        {
            get
            {
                return fsm.State == (int)LoadPortEntity.STATE.IDLE;
            }
        }

        public bool IsRunning
        {
            get
            {
                return fsm.State != (int)LoadPortEntity.STATE.INIT
                       && fsm.State != (int)LoadPortEntity.STATE.IDLE
                       && fsm.State != (int)LoadPortEntity.STATE.ERROR;
            }
        }
        public int FsmState
        {
            get
            {
                return fsm.State;
            }
        }
        public bool IsAlarm { get { return false; } }
        public bool IsWarning { get { return false; } }

        private ModuleName _chamber;
        
        public LoadPortEntity(string name)
        {
            Name = name;
            _chamber = (ModuleName)Enum.Parse(typeof(ModuleName), Name);
            fsm = new StateMachine<LoadPortEntity>(Name, (int)LoadPortEntity.STATE.INIT, 50);

            AnyStateTransition(LoadPortEntity.MSG.ERROR, fError, LoadPortEntity.STATE.ERROR);
            AnyStateTransition((int)FSM_MSG.ALARM, fError, (int)LoadPortEntity.STATE.ERROR);
            AnyStateTransition(LoadPortEntity.MSG.RESET, fInit, LoadPortEntity.STATE.IDLE);

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

            Transition(LoadPortEntity.STATE.ERROR, LoadPortEntity.MSG.HOME, fStartHome, LoadPortEntity.STATE.HOME);
            Transition(LoadPortEntity.STATE.IDLE, LoadPortEntity.MSG.HOME, fStartHome, LoadPortEntity.STATE.HOME);
            Transition(LoadPortEntity.STATE.HOME, FSM_MSG.TIMER, fHome, LoadPortEntity.STATE.IDLE);


            Transition(LoadPortEntity.STATE.IDLE, LoadPortEntity.MSG.Load, fStartLoad, LoadPortEntity.STATE.LOAD);
            Transition(LoadPortEntity.STATE.LOAD, FSM_MSG.TIMER, fLoad, LoadPortEntity.STATE.IDLE);

            Transition(LoadPortEntity.STATE.IDLE, LoadPortEntity.MSG.Unload, fStartUnload, LoadPortEntity.STATE.UNLOAD);
            Transition(LoadPortEntity.STATE.UNLOAD, FSM_MSG.TIMER, fUnload, LoadPortEntity.STATE.IDLE);
 

            Transition(LoadPortEntity.STATE.IDLE, LoadPortEntity.MSG.ReadAndLoad, fStartReadAndLoad, LoadPortEntity.STATE.ReadAndLoad);
            Transition(LoadPortEntity.STATE.ReadAndLoad, FSM_MSG.TIMER, fReadAndLoad, LoadPortEntity.STATE.IDLE);


            Running = true;
        }

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


            switch (msg)
            {

                case (int)LoadPortEntity.MSG.Load:
                    {
                        if (fsm.State != (int)LoadPortEntity.STATE.IDLE)
                        {
                            reason = String.Format("{0} is busy {1}，can't excute {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)LoadPortEntity.MSG.RESET:

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

            }

            return result;
        }

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


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

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

            return result;
        }


        protected override bool Init()
        {
            loadRoutine = new LoadFoupRoutine(Name, "Load");
            loadRoutine.Chamber = _chamber;
            loadRoutine.Initalize();

            unloadRoutine = new UnloadFoupRoutine();
            unloadRoutine.Initalize();
            unloadRoutine.Chamber = _chamber;
 

            homeRoutine = new HomeRoutine(Name, "Home");
            homeRoutine.Initalize();
            homeRoutine.Chamber = _chamber;

            readAndLoadRoutine = new ReadAndLoadRoutine(Name, "Read And Load");
            readAndLoadRoutine.Initalize();
            readAndLoadRoutine.Chamber = _chamber;
            OP.Subscribe($"{_chamber}.LPReset", (string cmd, object[] args) =>
            {
                if (FsmState != 8) return true;
                return CheckToPostMsg(MSG.RESET);
            });
            return true;
        }

        protected override void Term()
        {
        }

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

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

        private bool fStartLoad(object[] objs)
        {
            Running = false;
            Result ret = loadRoutine.Start(objs);
            if (ret == Result.DONE)
            {
                return false;
            }
            else if (ret == Result.FAIL)
            {
                return false;  //do noting
            }
            return true;
        }

        private bool fLoad(object[] objs)
        {
            Result ret = loadRoutine.Monitor();
            if (ret == Result.DONE)
            {
                Running = true;
                return true;
            }
            else if (ret == Result.FAIL)
            {
                PostMsg(MSG.ERROR);
                return true;
            }
            return false;
        }

        private bool fStartUnload(object[] objs)
        {
            Running = false;
            Result ret = unloadRoutine.Start(objs);
            if (ret == Result.DONE)
            {
                return false;
            }
            else if (ret == Result.FAIL)
            {
                return false;  //do noting
            }
            return true;
        }

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

        private bool fStartReadAndLoad(object[] objs)
        {
            Running = false;
            Result ret = readAndLoadRoutine.Start(objs);
            if (ret == Result.DONE)
            {
                return false;
            }
            else if (ret == Result.FAIL)
            {
                return false;  //do noting
            }
            return true;
        }

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

        private bool fInit(object[] objs)
        {

            return true;
        }

        private bool fError(object[] objs)
        {
            Singleton<RouteManager>.Instance.CheckToPostMsg(RouteManager.MSG.ERROR);
            return true;
        }
        public bool CheckToPostMsg(MSG msg)
        {
            if (!fsm.FindTransition(fsm.State, (int)msg))
            {
                EV.PostMessage("System", EventEnum.DefaultWarning,
                    string.Format("{0} is in {1} state，can not do {2}", Name, (STATE)fsm.State, (MSG)msg));
                return false;
            }

            PostMsg(msg);

            return true;
        }
        #endregion
    }

}