#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Stepper.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

//buttons and rgb
const int redd = 3;
const int greenn = 2;
const int bluee = 1;
const int trueB = A2;
const int falseB = A3;

// stepper
const int steps = 200;
Stepper myStepper(steps, 4, 5, 6, 7);

int ques = 0;

void setup() {
  lcd.begin(16, 2);
  lcd.backlight();

  pinMode(redd, OUTPUT);
  pinMode(greenn, OUTPUT);
  pinMode(bluee, OUTPUT);
  pinMode(trueB, INPUT_PULLUP);
  pinMode(falseB, INPUT_PULLUP);

  lcd.clear();
  displayQuestion();
  setRGB(0, 0, 255);

  myStepper.setSpeed(60);
}

void loop() {
  if (digitalRead(trueB) == LOW) {
    setRGB(0, 255, 0);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("True");
    delay(3000);
    resetState();
  }

  if (digitalRead(falseB) == LOW) {
    setRGB(255, 0, 0);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("False");
    myStepper.step(steps);
    delay(3000);
    resetState();
  }
}

void displayQuestion() {
  lcd.clear();
  lcd.setCursor(0, 0);

  if (ques == 0) {
    lcd.print("Pogi si butlig?");
  } else if (ques == 1) {
    lcd.print("Mabait si butlig?");
  }

  if (ques == 0) {
    ques = 1;
  } else {
    ques = 0;
  }
  setRGB(0, 0, 255);
}

void resetState() {
  displayQuestion();
}

void setRGB(int red, int green, int blue) {
  analogWrite(redd, red);
  analogWrite(greenn, green);
  analogWrite(bluee, blue);
}