#define lampu_M 21
#define lampu_K 19
#define lampu_H 22
#define b_pejalan_kaki 14

unsigned long prevMillis = 0;
int state = 0;

int M_DELAY = 5000;
int K_DELAY = 2000;
int H_DELAY = 3000;

bool pejalan_kaki =  false;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(lampu_M, OUTPUT);
  pinMode(lampu_K, OUTPUT);
  pinMode(lampu_H, OUTPUT);
  pinMode(b_pejalan_kaki, INPUT_PULLUP);
}

void loop() {
  unsigned long currentMillis = millis();

  switch(state){
    case 0:
      digitalWrite(lampu_M, HIGH);
      digitalWrite(lampu_K, LOW);
      digitalWrite(lampu_H, LOW);
      // delay(10000);
      // state = 1;
      if (currentMillis - prevMillis >= M_DELAY) {
          state = 1;      // berpindah ke kondisi selanjutnya
          M_DELAY = 5000;
          prevMillis = currentMillis;   // simpan waktu saat ini
      }
    break;

    case 1:
      digitalWrite(lampu_M, LOW);
      digitalWrite(lampu_K, HIGH);
      digitalWrite(lampu_H, LOW);
      if (currentMillis - prevMillis >= K_DELAY) {
          state = 2;      // berpindah ke kondisi selanjutnya
          prevMillis = currentMillis;   // simpan waktu saat ini
      }
    break;

    case 2:
      digitalWrite(lampu_M, LOW);
      digitalWrite(lampu_K, LOW);
      digitalWrite(lampu_H, HIGH);
      if (currentMillis - prevMillis >= H_DELAY) {
          state = 0;      // berpindah ke kondisi selanjutnya
          prevMillis = currentMillis;   // simpan waktu saat ini
      }
    break;
  }

  if(digitalRead(b_pejalan_kaki) == LOW ){
    M_DELAY = 7000;
    Serial.println(M_DELAY);
  }

  
}