const int RED_PIN_1 = 4;
const int YELLOW_PIN_1 = 2;
const int GREEN_PIN_1 = 15;
const int RED_PIN_2 = 14;
const int YELLOW_PIN_2 = 12;
const int GREEN_PIN_2 = 13;


const int LIGHT_SENSOR_PIN = 5;
const int RAIN_SENSOR_PIN = 27;


const int ADVANCE_TIME = 4700; 
int currentAdvanceTime = ADVANCE_TIME;


const int LIGHT_THRESHOLD = 500;
const int RAIN_THRESHOLD = 500;

void setup() {
  pinMode(LIGHT_SENSOR_PIN, INPUT);
  pinMode(RAIN_SENSOR_PIN, INPUT);
  pinMode(RED_PIN_1, OUTPUT);
  pinMode(YELLOW_PIN_1, OUTPUT);
  pinMode(GREEN_PIN_1, OUTPUT);
  pinMode(RED_PIN_2, OUTPUT);
  pinMode(YELLOW_PIN_2, OUTPUT);
  pinMode(GREEN_PIN_2, OUTPUT);
  
 
  Serial.begin(9600);
}

void loop() {

  int lightValue = analogRead(LIGHT_SENSOR_PIN);
  int rainValue = analogRead(RAIN_SENSOR_PIN);
  
  
  if (rainValue > RAIN_THRESHOLD && lightValue < LIGHT_THRESHOLD) {
    currentAdvanceTime = ADVANCE_TIME * 2; 
    Serial.println("Está chovendo! Aumentando tempo de passagem.");
  } else {
    currentAdvanceTime = ADVANCE_TIME; 
  }
  
  digitalWrite(RED_PIN_2, HIGH);
  delay(currentAdvanceTime / 4);
  digitalWrite(GREEN_PIN_1, HIGH);
  delay(currentAdvanceTime / 2);
  digitalWrite(GREEN_PIN_1, LOW);
  digitalWrite(YELLOW_PIN_1, HIGH);
  delay(currentAdvanceTime / 4);
  digitalWrite(YELLOW_PIN_1, LOW);
  digitalWrite(RED_PIN_1, HIGH);
  delay(currentAdvanceTime / 4);
  digitalWrite(RED_PIN_2, LOW);
  delay(currentAdvanceTime / 4);
  digitalWrite(GREEN_PIN_2, HIGH);
  delay(currentAdvanceTime / 2);
  digitalWrite(GREEN_PIN_2, LOW);
  digitalWrite(YELLOW_PIN_2, HIGH);
  delay(currentAdvanceTime / 4);
  digitalWrite(YELLOW_PIN_2, LOW);
  delay(currentAdvanceTime / 4);
  digitalWrite(RED_PIN_2, HIGH);
  delay(currentAdvanceTime / 4);
  digitalWrite(RED_PIN_1, LOW);
  delay(currentAdvanceTime / 4);

  delay(200);
}