#pragma once

#include <atlbase.h>
#include <memory>
#include <mmsystem.h>
#include <dsound.h>
#pragma comment(lib, "Winmm.lib")
#pragma comment(lib, "dsound.lib")

class CPGSoundPlayer
{
public:
	struct ArrayDeleter
	{
		template <class T>
		void operator()(T* p)
		{
			delete [] p;
		}
	};

public:
	CPGSoundPlayer();
	~CPGSoundPlayer();

public:
	// Create DirectSound Device Interface.
	int CreateDSound(HWND hWnd, LPCGUID deviceID = nullptr);

	// Read Wave File.
	int ReadWaveFile(LPTSTR szFileName);

	// Play Sound
	int PlayTheSound(HWND hWnd, UINT nMsgID, LPTSTR szWaveFile);

	// Stop Sound.
	void StopTheSound();

private:
	HRESULT CreateSoundBuffer();
	HRESULT SetNotification();
	static UINT WINAPI SoundCallback(LPVOID lpParam);

private:
	CComPtr<IDirectSound8> m_pDirectSound;
	CComPtr<IDirectSoundBuffer8> m_pDSoundBuffer;

	HANDLE m_hCallbackThread;
	HANDLE m_hCallbackEvent;
	BOOL m_bThreadEnd;

	// Wave Data
	WAVEFORMATEX m_wfx;
	DWORD m_nLength;
	std::tr1::shared_ptr<char> m_RawData;

	// Callback Message
	HWND m_hCallbackWnd;
	UINT m_nMsgID;	// After Playback, Send this MsgID to m_hCallbackWnd
};