#pragma once
#ifdef WIN32
#include <Windows.h>
#include <usbscan.h>
#endif // WINDOWS

#include <memory>
#include <list>
#include "IUsb.h"
#include "PublicFunc.h"

#pragma pack(1)
struct tag_usb_pipe
{
	HANDLE h_pipe;
	USBSCAN_PIPE_INFORMATION pipe_info;
	OVERLAPPED overlap;
};
typedef struct tag_usb_pipe usb_pipe_t, * pusb_pipe_t;
#pragma pack()

typedef struct tag_usb_scan_dev_info
{
	WORD vid;
	WORD pid;
	WORD index;
}usb_scan_dev_info, * pusb_scan_dev_info;

typedef struct tag_usb_scan_dev
{
	USHORT     _NumberOfDevs;
	tag_usb_scan_dev_info dev_infos[1024];
}usb_scan_dev, * pusb_scan_dev;

class UsbScanEx : public IUsb
{
public:
	UsbScanEx(int index);
	virtual ~UsbScanEx();
	// ͨ¹ý IUsb ¼Ì³Ð
	virtual bool open() override;
	virtual void set_usbhotplug_callback(usbhotplug_callback callback, void* userdata) override;
	virtual bool close() override;
	virtual void set_timeout(int timeout) override;
	virtual int read_bulk(void* data, int len) override;
	virtual int write_bulk(void* data, int len) override;
	virtual int control_msg(int rtype, int req, int value, int index, int len, void* data) override;
	virtual bool is_open() override;
	virtual bool is_connected() override;
	virtual int read_int(void* data, int len) override;

private:

	int	BULK_OUT;
	int	BULK_IN;
	int	INT_IN;
	int CTRL_IN_OUT;
	USBSCAN_PIPE_CONFIGURATION m_usbscan_config;
	usb_pipe_t m_usb_pipes[MAX_NUM_PIPES];
	HANDLE m_h_dev;
	bool m_b_is_connected;
	int m_h_index;
	int timeout;
	OVERLAPPED ov[4];
	usbhotplug_callback	hotplug_call;
	void* usrdata;
};


class UsbScan_List
{
public:
	~UsbScan_List();

	static std::list<std::shared_ptr<IUsb>>  find_all();
	static std::list<std::shared_ptr<IUsb>>  find_vid_pid(int vid, int pid);
	static std::list<usb_scan_dev_info> find_all_usb();
private:

	UsbScan_List();
	UsbScan_List(uint16_t vendor_id, uint16_t product_id);
};