#include <stdio.h>
#include <stdlib.h>

#include "FSM_protected.h"
#include "keyFSM.h"
#include "keyFSM_private.h"

/* 
    重载函数，有些是纯虚的必须重新实现，有些可以不重新实现直接用父类的
*/

static Event selectEvent(KeyFSMData *data){   // 必须重新实现
    if(data->countDelay == 10){
        return HoldCount4;
    }

    if(data->countDelay == 5){
        return DelayCount3;
    }

    if(data->in == Up){
        return PhsicalUp;
    }
    else{
        return PhsicalDown;
    }
}

static void step(KeyFSM* pFSM){
    printFSM(pFSM);
    stepBaseFSM(BASE_FSM(pFSM));

    KeyFSMData * data = pFSM->base.data;

    FSM_LOG("\t信号:%d, 计数%d ", data->out, data->countDelay);
}

static void initData(KeyFSM *pFSM){   // 必须重新实现
    KeyFSMData *data = (KeyFSMData *)malloc(sizeof(KeyFSMData));
    data->countDelay = 0;
    data->countMultiDown = 0;
    data->in = Up;
    data->out = Idle;

    pFSM->base.data = data;
}

static void setupHandler(FSMHandler* fcns){ // 必须重新实现
    addStateActionFcn(during, Waiting);
    addStateActionFcn(exit, Waiting);
    addStateActionFcn(during, DownDebouncing);
    addStateActionFcn(during, Downing);
    addStateActionFcn(exit, Downing);
    addStateActionFcn(during, UpDebouncing);
    addStateActionFcn(during, Holding);
    addStateActionFcn(exit, Holding);
    addStateActionFcn(during, MultiDownWaiting);
    addStateActionFcn(during, MultiDowning);
    addStateActionFcn(exit, MultiDowning);
    addStateActionFcn(during, HoldUpDebouncing);


    addTransitionHandler(Waiting, PhsicalDown);
    addTransitionHandler(DownDebouncing, PhsicalUp);
    addTransitionHandler(DownDebouncing, DelayCount3);
    addTransitionHandler(Downing, PhsicalUp);
    addTransitionHandler(Downing, HoldCount4);
    addTransitionHandler(UpDebouncing, PhsicalDown);
    addTransitionHandler(UpDebouncing, DelayCount3);
    addTransitionHandler(Holding, PhsicalUp);
    addTransitionHandler(MultiDownWaiting, PhsicalDown);
    addTransitionHandler(MultiDownWaiting, DelayCount3);
    addTransitionHandler(MultiDowning, PhsicalUp);
    addTransitionHandler(HoldUpDebouncing, PhsicalDown);
    addTransitionHandler(HoldUpDebouncing, DelayCount3);
}

/* 
    唯一外界调用的函数
 */

KeyFSM *createKeyFSM(){
  
    KeyFSM *pFSM;
    pFSM = (KeyFSM *)newBaseFSM(Count_State, Count_Event, DEFAULT_STATE);

    pFSM->base.vtbl.step = (Avoid_WARNING_void_FSM)step;
    pFSM->base.vtbl.selectEvent = (Avoid_WARNING_int_data)selectEvent;
    pFSM->base.vtbl.initData = (Avoid_WARNING_void_FSM)initData;
    pFSM->base.vtbl.setupHandler = (Avoid_WARNING_void_fcns)setupHandler;

    constructFSM((FSM_Ptr)pFSM);

    return pFSM;
}