/****************************************************************************
Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2010      Steve Oldmeadow

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#ifndef _SIMPLE_AUDIO_ENGINE_H_
#define _SIMPLE_AUDIO_ENGINE_H_

#include "Export.h"
#include <stddef.h>

namespace CocosDenshion {

/**
@class          SimpleAudioEngine
@brief  		offer a VERY simple interface to play background music & sound effect
*/
class EXPORT_DLL SimpleAudioEngine
{
public:
    SimpleAudioEngine();
    ~SimpleAudioEngine();

    /**
    @brief Get the shared Engine object,it will new one when first time be called
    */
    static SimpleAudioEngine* sharedEngine();

    /**
    @brief Release the shared Engine object
    @warning It must be called before the application exit, or a memroy leak will be casued.
    */
	static void end();

    /**
    @brief  Set the ResourcePath and(or) the zip file name
    @param pszResPath  The absolute resource path
    @param pszZipFileName The relative path of the .zip file
    */
    static void setResource(const char* pszZipFileName, const char* pszResPath = NULL);

    /**
     @brief Preload background music
     @param pszFilePath The path of the background music file,or the FileName of T_SoundResInfo
     */
    void preloadBackgroundMusic(const char* pszFilePath);
    
    /**
    @brief Play background music
    @param pszFilePath The path of the background music file,or the FileName of T_SoundResInfo
    @param bLoop Whether the background music loop or not
    */
    void playBackgroundMusic(const char* pszFilePath, bool bLoop = false);

    /**
    @brief Stop playing background music
    @param bReleaseData If release the background music data or not.As default value is false
    */
    void stopBackgroundMusic(bool bReleaseData = false);

    /**
    @brief Pause playing background music
    */
    void pauseBackgroundMusic();

    /**
    @brief Resume playing background music
    */
    void resumeBackgroundMusic();

    /**
    @brief Rewind playing background music
    */
    void rewindBackgroundMusic();

    bool willPlayBackgroundMusic();

    /**
    @brief Whether the background music is playing
    @return If is playing return true,or return false
    */
    bool isBackgroundMusicPlaying();

    // properties
    /**
    @brief The volume of the background music max value is 1.0,the min value is 0.0
    */
    float getBackgroundMusicVolume();

    /**
    @brief set the volume of background music
    @param volume must be in 0.0~1.0
    */
    void setBackgroundMusicVolume(float volume);

    /**
    @brief The volume of the effects max value is 1.0,the min value is 0.0
    */
    float getEffectsVolume();

    /**
    @brief set the volume of sound effecs
    @param volume must be in 0.0~1.0
    */
    void setEffectsVolume(float volume);

    // for sound effects
    /**
    @brief Play sound effect
    @param pszFilePath The path of the effect file,or the FileName of T_SoundResInfo
    */
    unsigned int playEffect(const char* pszFilePath);

    /**
    @brief Stop playing sound effect
    @param nSoundId The return value of function playEffect
    */
    void stopEffect(unsigned int nSoundId);

    /**
    @brief  		preload a compressed audio file
    @details	    the compressed audio will be decode to wave, then write into an 
    internal buffer in SimpleaudioEngine
    */
    void preloadEffect(const char* pszFilePath);

    /**
    @brief  		unload the preloaded effect from internal buffer
    @param[in]		pszFilePath		The path of the effect file,or the FileName of T_SoundResInfo
    */
    void unloadEffect(const char* pszFilePath);
};

} // end of namespace CocosDenshion

#endif // _SIMPLE_AUDIO_ENGINE_H_