#pragma once
#include <functional>

#include "../chip/iflytop_no_os.h"

namespace iflytop {
using namespace std;

#define STM32_GPIO_LISTENER_NUM 10
class ZGPIO {
 public:
  typedef enum {
    kRisingIrqEvent,
    kFallingIrqEvent,
  } IrqTypeEvent_t;

  typedef enum {
    kMode_nopull,    //
    kMode_pullup,    //
    kMode_pulldown,  //
    kMode_od,        //
  } GPIOMode_t;

  typedef enum { kType_AIN, kType_Input, kType_Output } GPIOType_t;

  typedef enum {
    kIRQ_noIrq,
    kIRQ_risingIrq,
    kIRQ_fallingIrq,
    kIRQ_risingAndFallingIrq,
  } GPIOIrqType_t;

  typedef function<void(ZGPIO *GPIO_Pin, IrqTypeEvent_t irqevent)> onirq_t;

 private:
  GPIO_TypeDef *m_gpio;
  uint16_t      m_pinoff;
  GPIOType_t    m_gpiotype;
  GPIOMode_t    m_mode;
  GPIOIrqType_t m_irqtype;
  bool          m_mirror;
  bool          lastLevel;

  onirq_t m_onirq;

 public:
  ZGPIO(){};

  void initAsInput(Pin_t pin, GPIOMode_t mode, GPIOIrqType_t irqtype, bool mirror);
  void initAsOutput(Pin_t pin, GPIOMode_t mode, bool mirror, bool initLevel);

  void regListener(onirq_t listener);

  bool isMirror();
  bool isItRisingEXITGPIO();
  bool isItFallingEXITGPIO();
  bool isItRisingAndItFallingEXITGPIO();

  /*******************************************************************************
   *                                基本状态读写                                 *
   *******************************************************************************/

  bool     getState();
  uint32_t getStateUint32();
  bool     setState(bool state);
  void     toggleState();

  /*******************************************************************************
   *                                  辅助方法                                   *
   *******************************************************************************/
  IRQn_Type     getEXTIIRQn();
  GPIO_TypeDef *getPort() { return m_gpio; }
  uint16_t      getPin() { return m_pinoff; }

  bool tryTriggerIRQ(uint16_t GPIO_Pin);

 private:
  bool enableClock();
};
}  // namespace iflytop