#ifndef DISPLAY_H_
#define DISPLAY_H_

#include <list>
#include <memory>
#include <map>
#include <Arduino.h>
#include <Wire.h>
#include <TimeLib.h>
#include <SSD1306.h>
#include <BoardFinder.h>

class StatusFrame;

class DisplayFrame
{
public:
	DisplayFrame() {}
	virtual ~DisplayFrame() {}
	virtual void drawStatusPage(Bitmap & bitmap) = 0;
};

class Display
{
public:
	static Display & instance()
	{
		static Display _instance;
		return _instance;
	}

	~Display() {}

	void setup(std::shared_ptr<BoardConfig> boardConfig);
	void turn180();
	void update();

	void addFrame(std::shared_ptr<DisplayFrame> frame);

	void setStatusFrame(std::shared_ptr<StatusFrame> frame);

	void showSpashScreen(String firmwareTitle, String version);

private:
	std::shared_ptr<OLEDDisplay> _disp;

	std::list<std::shared_ptr<DisplayFrame>> _frames;
	std::shared_ptr<StatusFrame> _statusFrame;

	time_t _nextFrameTime;

	Display();
	Display(const Display &);
	Display & operator = (const Display &);
};

class TextFrame : public DisplayFrame
{
public:
	TextFrame(String header, String text) : _header(header), _text(text) {}
	virtual ~TextFrame() {}
	void drawStatusPage(Bitmap & bitmap) override;

private:
	String _header;
	String _text;
};

#endif