#pragma once

#include "DeckLinkAPI_h.h"
#include "DeckLinkFrameTransfer.h"

#include <deque>
#include <string>

class OpenGLComposite;

class DeckLinkSession
{
public:
	DeckLinkSession() = default;
	~DeckLinkSession();

	void ReleaseResources();
	bool DiscoverDevicesAndModes(BMDDisplayMode inputDisplayMode, BMDDisplayMode outputDisplayMode, const std::string& requestedInputDisplayModeName, const std::string& requestedOutputDisplayModeName, std::string& error);
	bool ConfigureInput(OpenGLComposite* owner, HDC hdc, HGLRC hglrc, BMDDisplayMode inputDisplayMode, std::string& error);
	bool ConfigureOutput(OpenGLComposite* owner, HDC hdc, HGLRC hglrc, BMDDisplayMode outputDisplayMode, bool externalKeyingEnabled, std::string& error);
	bool Start(unsigned outputFrameHeight);
	bool Stop();

	CaptureDelegate*						captureDelegate = nullptr;
	PlayoutDelegate*						playoutDelegate = nullptr;
	IDeckLinkInput*							input = nullptr;
	IDeckLinkOutput*						output = nullptr;
	IDeckLinkKeyer*							keyer = nullptr;
	std::deque<IDeckLinkMutableVideoFrame*>	outputVideoFrameQueue;
	PinnedMemoryAllocator*					playoutAllocator = nullptr;
	BMDTimeValue							frameDuration = 0;
	BMDTimeScale							frameTimescale = 0;
	unsigned								totalPlayoutFrames = 0;
	unsigned								inputFrameWidth = 0;
	unsigned								inputFrameHeight = 0;
	unsigned								outputFrameWidth = 0;
	unsigned								outputFrameHeight = 0;
	std::string								inputDisplayModeName = "1080p59.94";
	std::string								outputDisplayModeName = "1080p59.94";
	bool									hasNoInputSource = true;
	std::string								outputModelName;
	bool									supportsInternalKeying = false;
	bool									supportsExternalKeying = false;
	bool									keyerInterfaceAvailable = false;
	bool									externalKeyingActive = false;
	std::string								statusMessage;
};