/*
 *	Copyright 2016, Maxime Journaux <journaux.maxime@gmail.com>
 * 	This work is free. You can redistribute it and/or modify it under the
 *	terms of the Do What The Fuck You Want To Public License, Version 2,
 *	as published by Sam Hocevar. 
 *	See http://www.wtfpl.net for more details.
 */

#ifndef NODE_LED_MATRIX_H
#define NODE_LED_MATRIX_H

#include <tuple>
#include <map>
#include <vector>
#include <string>

#include <node.h>
#include <node_object_wrap.h>
#include <nan.h>
#include <led-matrix.h>
#include <image.h>
#include <graphics.h>
#include <gpio.h>
using namespace rgb_matrix;
using rgb_matrix::GPIO;

#define SCROLL_TO_LEFT 		0x01
#define SCROLL_TO_RIGHT 	0x02
#define SCROLL_TO_BOTTOM 	0x03
#define SCROLL_TO_TOP 		0x04

/**
 * Class: LedMatrix
 *	Wrapper for rpi-rgb-led-matrix.
 */
class LedMatrix : public node::ObjectWrap 
{
	public:
	static Nan::Persistent<v8::Function> constructor;
	static void Init(v8::Local<v8::Object> exports);

	int GetWidth	(void);
	int GetHeight	(void);
	void SetPixel	(int x, int y, uint8_t r, uint8_t g, uint8_t b);
	void Clear		(void);
	void Clear		(int x, int y, int w, int h);
	void Fill		(uint8_t r, uint8_t g, uint8_t b);
	void SetImage	(Image* img);
	void Draw		(int screenx, int screeny, int width, int height, int imgx, int imgy,
					bool looph, bool loopv);

	void DrawText	(int, int, std::tuple<int, int, int>, const char* text, const char* fontFile); 
	void DrawCircle	(int, int, int, std::tuple<int, int, int>);
	void DrawLine	(int, int, int, int, std::tuple<int, int, int>); 
	void Brightness (int); 

	void Update		(void);

	protected:
	LedMatrix (int rows , int cols , int chained_displays , int parallel_displays, int brightness, const char* mapping, const char* rgbSeq, std::vector<std::string> flags);

	virtual ~LedMatrix (void);

	static void New	(const Nan::FunctionCallbackInfo<v8::Value>& args);

	static void GetWidth		(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void GetHeight		(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void SetPixel		(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void Clear			(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void Fill			(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void SetImageBuffer	(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void Draw			(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void Update			(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void DrawText		(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void DrawCircle		(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void DrawLine		(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void Brightness		(const Nan::FunctionCallbackInfo<v8::Value>& args);

	static void Scroll			(const Nan::FunctionCallbackInfo<v8::Value>& args);
	static void UV_Scroll		(uv_work_t* work);
	static void UV_AfterScroll	(uv_work_t* work, int status);

	static std::map<std::string, rgb_matrix::Font> fontMap;

	private:

	GPIO io;
	RGBMatrix* matrix;
	FrameCanvas* canvas;


	Image* image;

	struct uvscroll 
	{
		LedMatrix* matrix;
		Nan::Callback* callback;
		int startx;	int starty;
		int width;	int height;
		int scroll;	int loop;
		int speed;
	};
};


#endif