/*
  Wokwi | questions
  uhhhh what???? what do i even do??

  Stani4a - Monday, April 13, 2026 9:37 AM
  Project Link: https://wokwi.com/projects/461190067875556353?gh=1
*/

#include <LiquidCrystal_I2C.h>

const int BUZZ_PIN = 4;
const int BTN_1_PIN = 19;
const int BTN_2_PIN = 15;
const int BLU_LED_PIN = 18;
const int GRN_LED_PIN =  5;
const int YEL_LED_PIN = 17;
const int RED_LED_PIN = 16;

int timer = 0;
bool reset = LOW;
bool ka = LOW;
bool kk = LOW;
bool ak = LOW;
bool aa = HIGH;

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  pinMode(BTN_1_PIN, INPUT_PULLUP);
  pinMode(BTN_2_PIN, INPUT_PULLUP);
  pinMode(BLU_LED_PIN, OUTPUT);
  //pinMode(6, INPUT); // ???
  pinMode(GRN_LED_PIN, OUTPUT);
  pinMode(YEL_LED_PIN, OUTPUT);
  pinMode(RED_LED_PIN, OUTPUT);
  pinMode(BUZZ_PIN, OUTPUT);
  randomSeed(analogRead(35));
}

void loop() {
  if (ka == LOW) {
    if (reset == HIGH) {
      lcd.clear();
      reset = LOW;
      delay(200);
    }
    lcd.setCursor(0, 0);
    lcd.print("Press to start!");
    if (digitalRead(BTN_1_PIN) == LOW || digitalRead(BTN_2_PIN) == LOW) {
      lcd.clear();
      lcd.print("GAME ON!!!");
      if (kk == LOW) {
        lcd.setCursor(0, 1);
        lcd.print("1,");
        digitalWrite(RED_LED_PIN, HIGH);
        tone(BUZZ_PIN, 1000);
        delay(100);
        noTone(BUZZ_PIN);
        delay(700);
        lcd.print("2,");
        digitalWrite(YEL_LED_PIN, HIGH);
        digitalWrite(RED_LED_PIN, LOW);
        tone(BUZZ_PIN, 1000);
        delay(100);
        noTone(BUZZ_PIN);
        delay(700);
        lcd.print("3,");
        digitalWrite(GRN_LED_PIN, HIGH);
        digitalWrite(YEL_LED_PIN, LOW);
        tone(BUZZ_PIN, 1000);
        delay(100);
        delay(700);
        lcd.print("wait,");
        digitalWrite(GRN_LED_PIN, LOW);
        int waitTime = random(1000, 10001);
        delay(waitTime);
        digitalWrite(RED_LED_PIN, HIGH);
        digitalWrite(YEL_LED_PIN, HIGH);
        digitalWrite(GRN_LED_PIN, HIGH);
        digitalWrite(BLU_LED_PIN, HIGH);
        noTone(BUZZ_PIN);
        tone(BUZZ_PIN, 2000);
        kk = HIGH;
        ka = HIGH;
      }
      if (digitalRead(BTN_1_PIN) == LOW || digitalRead(BTN_2_PIN) == LOW) {
        aa = LOW;
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("CHEAT! You lose!");
      } else if (aa == HIGH) {
        lcd.clear();
        lcd.print("GO!");
        while (digitalRead(BTN_1_PIN) == HIGH && digitalRead(BTN_2_PIN) == HIGH) {
          timer++;
          delay(1);
          digitalWrite(BLU_LED_PIN, LOW);
        }
        digitalWrite(RED_LED_PIN, LOW);
        digitalWrite(YEL_LED_PIN, LOW);
        digitalWrite(GRN_LED_PIN, LOW);
        digitalWrite(BLU_LED_PIN, LOW);
        noTone(BUZZ_PIN);
        tone(BUZZ_PIN, 1000);
        lcd.setCursor(0, 0);
        lcd.print("Score: ");
        lcd.setCursor(7, 0);
        lcd.print(timer);
        delay(300);
        noTone(BUZZ_PIN);
        delay(500);
        lcd.setCursor(0, 1);
        lcd.print("Again?");
        while (digitalRead(BTN_1_PIN) == HIGH || digitalRead(BTN_2_PIN) == HIGH) {
          ka = LOW;
          kk = LOW;
          ak = LOW;
          aa = HIGH;
          timer = 0;
          reset = HIGH;
        }
      }
    }
  }
}