#pragma once
#include <LiquidCrystal_I2C.h>
#include "Keyboard.h"
class Interface
{
private:
    LiquidCrystal_I2C _lcd;
    Keyboard* _keyboard;
    String _pin_number;
    bool _pin_available;
    int _display_state = 0;
    unsigned long _lastDisplayUpdate = 0;
    unsigned long _displayTimer1 = 0;
    unsigned long _displayTimer2 = 0;
    unsigned long _inputTimeout = 0;
    bool _displayUpdate = true;
    String _username = "";
    unsigned int _scroll_index = 0;
    String _msg1 = "";
    String _msg2 = "";
    unsigned long _msg_display_time = 0;
    ;
public:
    enum states	{
		MAIN,
		ENTER_PIN_START,
		ENTER_PIN_ADD_NUM,
		VALIDATE_PIN,
		ABORT,
		DELAY,
		READ_RFID,
        GREET,
        MSG

	};
    Interface(/* args */);
    ~Interface();
    void begin(Keyboard* Keyboard);
    void render();
    void setState(states state);
    int getState();
    void greetUser(String username);
    String getPin();
    bool pinAvailable();
    void showMessage(String msg1, String msg2, unsigned long display_time);
};