#include <ESP32Servo.h>

const int hujanPin = 35;
const int cahayaPin = 34;
const int servoPin = 2;
const int merah = 4;
const int hijau = 22;

Servo servo;


// Array with LEDs that should be lit up one by one
uint8_t leds_cycling[] = { 21, 19, 18 };
// Array with LEDs that should be controlled from ThingsBoard, one by one
uint8_t leds_control[] = { 26, 33, 25 };
uint8_t pin = 15;


// Main application loop delay
int quant = 20;
// Initial period of LED cycling.
int led_delay = 1000;
// Period of sending a temperature/humidity data.
int send_delay = 2000;

// Time passed after LED was turned ON, milliseconds.
int led_passed = 0;
// Time passed after temperature/humidity data was sent, milliseconds.
int send_passed = 0;

// Set to true if application is subscribed for the RPC messages.
bool subscribed = false;
// LED number that is currenlty ON.
int current_led = 0;


void setup() {
  Serial.begin(115200);
  
  pinMode(15, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(22, OUTPUT);
  servo.attach(servoPin, 500, 2400);  
}

void loop() 
{
  delay(quant);

  led_passed += quant;
  send_passed += quant;

  // Check if next LED should be lit up
  if (led_passed > led_delay) {
    // Turn off current LED
    digitalWrite(leds_cycling[current_led], LOW);
    led_passed = 0;
    current_led = current_led >= 2 ? 0 : (current_led + 1);
    // Turn on next LED in a row
    digitalWrite(leds_cycling[current_led], HIGH);
  }

  
  // Check if it is a time to send DHT22 temperature and humidity
  
  const float GAMMA = 0.7;
  const float RL10 = 50;
  
  int sensorCahaya = analogRead(cahayaPin);   // Baca nilai sensor
  int sensorHujan = analogRead(hujanPin);
  
  float voltage = sensorCahaya / 4096. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));

  Serial.print("Cahaya: "); 
  Serial.println(lux); 
  Serial.print("Sensor Hujan: "); 
  Serial.println(sensorHujan); 

   // sensor hujan = hujan nilai besar >>
    if(lux > 30000 || sensorHujan > 900){
      digitalWrite(15, HIGH);
      servo.write(90);
      Serial.println("Tutup Canopy"); 
    }
    // sensor hujan = tidak hujan nilai kecil <<
    else if (lux < 30000 || sensorHujan < 900){
      digitalWrite(15, LOW);
      servo.write(180);
      Serial.println("Buka Canopy"); 
    }
  delay(1000);
}