#include <Keypad.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

#define ledrojo 13

const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
    {'1', '2', '3', 'A'},
    {'4', '5', '6', 'B'},
    {'7', '8', '9', 'C'},
    {'*', '0', '#', 'D'}
};

uint8_t colPins[COLS] = {7, 4, A2, A3};
uint8_t rowPins[ROWS] = {12, 11, 10, 9};
Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

int botonAuno = 0;
int botonAdos = 0;

typedef enum GameScreen
{
    INICIO = 0,
    LOGO,
    TITLE,
    GAMEPLAY,
    ENDING
} GameScreen;

GameScreen menuUno = INICIO;

void setup()
{
    lcd.init();
    lcd.backlight();
    pinMode(ledrojo, OUTPUT);
    Serial.begin(9600);
}

void printMenu(const char *text)
{
    //lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print(text);
}

void loop()
{
    char key = keypad.getKey();
    ControlBotonA(key);

    switch (menuUno)
    {
    case INICIO:
        printMenu("INICIO");
        
        break;

    case LOGO:
        printMenu("LOGO");
        break;

    case TITLE:
        printMenu("TITLE");
        break;

    case GAMEPLAY:
        printMenu("GAMEPLAY");
        break;

    case ENDING:
        printMenu("ENDING");
        break;

    default:
        break;
    }
}

void ControlBotonA(char key)
{
    int velocidadPulsacion = 15;

    if (key == 'A')
    {
        for (int i = 0; i < velocidadPulsacion; i++)
        {
            botonAuno = 1;
            delay(velocidadPulsacion);
            botonAdos = 0;

            if (keypad.getKey() == 'A')
            {
                botonAdos = 1;
                botonAuno = 0;
                break;
            }
        }

        if (botonAuno == 1)
        {
            digitalWrite(ledrojo, HIGH);
            lcd.clear();
            switch (menuUno)
            {
            case INICIO:
                menuUno = LOGO;
                break;
            case LOGO:
                menuUno = TITLE;
                break;
            case TITLE:
                menuUno = GAMEPLAY;
                break;
            case GAMEPLAY:
                menuUno = ENDING;
                break;
            case ENDING:
                menuUno = INICIO;
                break;
            default:
                break;
            }
        }

        if (botonAdos == 1)
        {
            digitalWrite(ledrojo, LOW);
            lcd.clear();
            switch (menuUno)
            {
            case INICIO:
                menuUno = ENDING;
                break;
            case LOGO:
                menuUno = INICIO;
                break;
            case TITLE:
                menuUno = LOGO;
                break;
            case GAMEPLAY:
                menuUno = TITLE;
                break;
            case ENDING:
                menuUno = GAMEPLAY;
                break;
            default:
                break;
            }
        }
    }
}