#pragma once
#include "Gpio.h"
#include <thread>
#include <condition_variable>
#include "BlockingQueue.h"
#include "FsmState.h"
#include "Pwm.h"

class Sensor
{
public:
	Sensor(BlockingQueue<ScanEvent>& sysEvents);
	~Sensor();

	//出现双张或者在没有双张时并且结束扫描需要关闭超声波检测，
	void enableDoubleSensor(bool enable) {
		enbale_double_ = enable;
		doubleEnablePin.setValue((Gpio::GpioLevel)enable);
		printf("是否使能超声波：%s\r\n",enable?"true":"false");
	}

	void resetPaperPin();
	//是否扫描仪盖关上
	bool isCoverClosed();
	//是否纸张准备好
	bool isPaperStandby();
	//扫描时是否有纸张
	bool isPaperAtScan();
	//是否双张
	bool isDoublePaper();
	//等纸进来
	bool waitPaperIn(int timeout_ms);
	//等纸出去
	bool waitPaperOut(int timeout_ms);
	//纸在里面吗
	bool isPaperIn(){return scanPin.getValue();}
	//等纸，待命
	bool waitPaperStandBy(int timeout_ms);
	//取消等待纸张
	void cancelWaitPaper();
	//双张使能

private:

	Gpio coverPin;  //开盖
	Gpio paperPin;  //有无纸
	Gpio scanPin;   //扫描传感器
	Gpio double_out0_Pin;
    Gpio double_out1_Pin;
	Gpio doubleEnablePin;
    Gpio sensor_power;
    Pwm pwm2;
	BlockingQueue<ScanEvent>& events;
	std::mutex cv_m;
	std::condition_variable cv_cover_opened;
	std::condition_variable cv_cover_closed;
	std::condition_variable cv_paper_on;
	std::condition_variable cv_paper_off;
	std::condition_variable cv_scan_at;
	std::condition_variable cv_scan_not_at;
	std::condition_variable cv_double;
	std::thread thread_monitor;
	std::thread thread_monitor2;
	volatile bool bMonitor = true;
	volatile bool bMonitor2 = true;
	volatile bool double_1 = false;
	volatile bool double_2 = false;
	volatile bool enbale_double_=false;
	volatile bool is_open_cover = false;
	void monitor();
	void monitor2();
	int readfile(int fd,int num , char* buf);
};