#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

void langPick();

#define language 12
#define buttonPin 2

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

// 141
int potVal = 0;
int realVal = 0;
int buttonState = 1;

void setup() {
  // put your setup code here, to run once:
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(language, INPUT);
  pinMode(11, OUTPUT);
  digitalWrite(11, HIGH);
  display.setTextColor(WHITE);
  langPick();
}

void loop() {

}


void langPick() {
  int switchState = 0;
  int languagePick = 0;
  while (buttonState == HIGH) {
    switchState = digitalRead(language);
    buttonState = digitalRead(buttonPin);
    if (switchState == HIGH) {
      display.clearDisplay();
      display.setTextSize(3);
      display.setTextWrap(false);
      display.setCursor(127, 48);
      display.print("EN");
      display.fillRoundRect(16, 34, 61, 49, 10, 1);
      display.setTextColor(0);
      display.setCursor(30, 48);
      display.print("LT");
      display.display();
      languagePick = 1;
      delay(100);
    }
    else {
      display.clearDisplay();
      display.setTextColor(1);
      display.setTextSize(3);
      display.setTextWrap(false);
      display.setCursor(30, 48);
      display.print("LT");
      display.fillRoundRect(113, 34, 61, 49, 10, 1);
      display.setTextColor(0);
      display.setCursor(127, 48);
      display.print("EN");
      display.display();
      languagePick = 0;
      delay(100);
    }
  }
  if (languagePick == 1) {
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextWrap(false);
    display.setCursor(28, 21);
    display.print("LT");
    display.display();
  }
  else {
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextWrap(false);
    display.setCursor(84, 21);
    display.print("EN");
    display.display();
  }
  buttonState = 1;
}