#pragma once
//#define invoke_mem_fn(object,ptrToMember)  ((object).*(ptrToMember))
//#define pinvoke_mem_fn(object,ptrToMember)  ((object)->*(ptrToMember))

class EndpointWidget; 
class Endpoint;
class EndpointCallback;
class Overseer;

enum AudioChannel {
	CHANNEL_LEFT  = (1 << 0),
	CHANNEL_RIGHT = (1 << 1),
	CHANNEL_MAIN  = ~0,
};

struct NGuid {
	uint32_t data1;
	uint16_t data2;
	uint16_t data3;
	unsigned char data4[8];
};

struct BackEndpointCallbackInfo {
	NGuid caller;
	bool  muted;
	float mainVolume;
	size_t  channels;
	std::vector<float> channelVolumes;
};

class EndpointHandler {
	
public:
	EndpointHandler(uint64_t idx);
	//TODO: get();
	Endpoint *ep = nullptr;
	EndpointCallback *epc = nullptr;
	//std::wstring epName;

	BackEndpointCallbackInfo* getCallbackInfo();
	uint32_t getChannelCount();
	
	void setIndex(uint64_t idx);
	uint64_t getIndex();
	void setVolume(int channel, float volume);
	
	std::wstring getName();
	float getVolume(int channel);
	bool getMute();

	void setVolume(NGuid* guid, int channel, int value);
	void setMute(NGuid* guid, bool muted);

	~EndpointHandler();
private:
	uint64_t idx;
	BackEndpointCallbackInfo callbackInfo;
    //QSlider *slidy;
};


class OverseerHandler {

public:
	//OverseerHandler();
	void setEndpointHandlers(std::vector<EndpointHandler*> ephs);
	std::vector<EndpointHandler*> getEndpointHandlers();
	std::vector<Endpoint*> getPlaybackEndpoints();
	uint64_t getPlaybackEndpointsCount();
	void reloadEndpointHandlers();
	NGuid* getGuid();
	
private:
    static Overseer os;
	std::vector<EndpointHandler*> endpointHandlers;
	
	//std::function<void(uint64_t /* device */, uint32_t /* channel */, float /* value */)> updateFrontVolumeCallback;
	//std::function<void(uint64_t /* device */, bool /* mute */)> updateFrontMuteCallback;
	
};