#ifndef _LCD_H_
	#define _LCD_H_

	#include <LiquidCrystal_I2C.h>

	class LCDWrapper {
		private:
			LiquidCrystal_I2C *display;
			size_t cursor;
			uint8_t cols;
			uint8_t rows;

		public:
			LCDWrapper(uint8_t addr, uint8_t cols, uint8_t rows){
				rows    = rows;
				cols    = cols;
				*display = LiquidCrystal_I2C(addr, cols, rows, LCD_5x8DOTS);
				cursor = 0;
			}
			~LCDWrapper(){ display = NULL; }

			void begin(){
				display->begin();
				display->backlight();
				display->home();
				clear();
			}

			void move(const uint8_t line, const uint8_t c){ display->setCursor(line, c); }

			void clear(){ cursor = 0; display->clear(); }

			void printf(const char *fmt, ...){
				va_list va;
				va_start(va, fmt);
				char buffer[34] = {0};
				int size = sprintf(buffer, fmt, va);
				va_end(va);

				display->print(buffer);
			}

			void printfn(const uint8_t line, const char *fmt, ...){
				va_list va;
				va_start(va, fmt);
				char buffer[34] = {0};
				int size = sprintf(buffer, fmt, va);
				va_end(va);

				display->setCursor(0,line);
				display->print(buffer);
			}

			void printfn_overflow(const uint8_t line, const char *fmt, ...){
				va_list va;
				va_start(va, fmt);
				char buffer[34] = {0};
				int size = sprintf(buffer, fmt, va);
				va_end(va);

				display->setCursor(0,line);
				display->print(buffer);

				for( uint8_t offset = 0 ; size-offset > cols ; offset++ ){
					delay(50);
					display->setCursor(0,line);
					display->print(buffer+offset);
				}
			}
	};

#endif