#ifndef __FSM_PROTECTED_H_
#define __FSM_PROTECTED_H_

#include "FSM_public.h"

// #define DSP28377
#ifdef      DSP28377
    #define     NDEBUG
#else
    #define     FSM_LOG_ON
#endif


#ifdef          FSM_LOG_ON
    #define     FSM_LOG(...)   printf(__VA_ARGS__)
#else
    #define     FSM_LOG(...)   ((void)0)
#endif

#define     delay   delay
#define     during  during
#define     enter   enter
#define     exit    exit


#define     selectNextStateFcn(curstate)                       curstate##_##selectNextState
#define     transitionHandler(curstate, nextstate)             curstate##2##nextstate##Handler
#define     delayHanlder(curstate, nextstate)                  curstate##2##nextstate##DelayHandler
#define     actionFcn(action, curstate)                        curstate##_##action##Action
#define     index(curstate, nextstate)                         (curstate*Count_State + nextstate)


typedef struct _FSMHandler FSMHandler;
typedef void (*Avoid_WARNING_State_Fcns)(void *data, FSM **childFSM);
typedef void (*Avoid_WARNING_Delay_Handlers)(void *data);
typedef void (*Avoid_WARNING_Transition_Handler)(void *data, int curState, int *);
typedef void (*Avoid_WARNING_Overrider_Fcns)(FSM *pFsm);
typedef int (*Avoid_WARNING_SelectNextState)(void *data, void *signals);
typedef void (*Avoid_WARNING_void_fcns)(FSMHandler *fcns);


#define     addSelectNextStateFcn(curstate)                         fcns->selectNextState[curstate] = (Avoid_WARNING_SelectNextState)selectNextStateFcn(curstate)
#define     addStateActionFcn(type, state)                          fcns->type##ActionTable[state] = (Avoid_WARNING_State_Fcns)actionFcn(type, state)
#define     addTransitionHandler(curstate, nextstate)               fcns->transitionTable[index(curstate, nextstate)] = (Avoid_WARNING_Transition_Handler)transitionHandler(curstate, nextstate)
#define     addDelayHandler(curstate, nextstate)                    fcns->transitionDelayTable[index(curstate, nextstate)] = (Avoid_WARNING_Delay_Handlers)delayHanlder(curstate, nextstate)



typedef struct _FSM FSM;
typedef struct _FSMHandler{
    int (**selectNextState)(void *data, void *signals);

    void (**transitionTable)(void *data, int currentState, int *);

    void (**enterActionTable)(void *data, FSM **cFSM);
    void (**duringActionTable)(void *data, FSM **cFSM);
    void (**exitActionTable)(void *data, FSM **cFSM);

    int delayedEvent;
    void (**transitionDelayTable)(void *data);

    void (**childFSMStepTable)(FSM **cFSM);
}FSMHandler;

typedef struct _FSMDataLoader
{   
    void *in;
    int isReady;
    int isOverflow;
    size_t preloadSize;
}FSMDataLoader;


typedef struct _FSMPrivateVars
{
    int numState;
    int defaultState; // Idle状态不能停留，必须指定一个初始状态
    
    int curState;    
    int nextState;

    FSMDataLoader preloader;

    FSMHandler fcns;

    int numChild;
    FSM **childFSM;
}FMSPrivateVars;



// 类似于纯虚类, vptr中的函数必须继承后重新实现
typedef struct _FSM
{
    // public functions
    FSMVtbl vtbl; 

    // private
    FMSPrivateVars privateVars;

    // protected
    void *data;
    void *signals;
} FSM;


// protected, 子类能用, 外界用不了
void constructFSM(FSM* pFSM);

// 继承的函数
FSM*  newBaseFSM(int numState, int defaultState);
void stepBaseFSM(FSM *pFSM);
void resetBaseFSM(FSM *pFSM);


#endif