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

LiquidCrystal_I2C lcd(0x27, 16, 2);

int ButtonRot = 8;
int ButtonBlau = 9;
int ButtonStarten = 7;
int Rot = 10;
int Blau = 11;
int StateBlau = false;
int StateRot = false;
int State = false;
int LedAuswahlCheck = 0;
int Rando;
int State2 = false;
int geld = 1;


void setup() {
  Serial.begin(9600);
  randomSeed(analogRead(0));
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 1);
  lcd.println("Hier dein Geld: ");
  LedAuswahlCheck = 0;
  pinMode(ButtonStarten, INPUT);
  pinMode(ButtonRot, INPUT);
  pinMode(ButtonBlau, INPUT);
  pinMode(Rot, OUTPUT);
  pinMode(Blau, OUTPUT);
}

void loop() {
  Serial.println("Start button: "); Serial.println(State);
  Serial.println("blau button: "); Serial.println(StateBlau);
  Serial.println("geld: "); Serial.println(geld);
  StateRot = digitalRead(ButtonRot);
  StateBlau = digitalRead(ButtonBlau);
  State = digitalRead(ButtonStarten);

  if (StateRot == true) {
    //Serial.println(StateRot);
    LedAuswahlCheck = 1;
    digitalWrite(Rot, HIGH);
    delay(500);
    digitalWrite(Rot, LOW);
  }
  else if (StateBlau == true) {
    digitalWrite(Rot, LOW);
    StateRot = false;
  }

  if (StateBlau == true) {
    LedAuswahlCheck = 2;
    digitalWrite(Blau, HIGH);
    delay(500);
    digitalWrite(Blau, LOW);
  }
  else if (StateRot == true) {
    digitalWrite(Blau, LOW);
    StateBlau = false;
  }

  if (State == true && State2 == false) {
    Rando = random(1, 3);
    delay(300);
    //Serial.println(Rando);
  }

  if (Rando == 1 && LedAuswahlCheck == 1) {
    digitalWrite(Rot, HIGH);
    geld *= 2;
    //Serial.println(geld);
    LedAuswahlCheck = 0;
    delay(100);
  }
  State2 = State;
}