#include "DHTesp.h"
#include <ESP32Servo.h>

// ----------- PIN DEFINITIONS -----------
#define LDR_PIN 34
#define LED_PIN 5

#define DHT_PIN 13
#define RELAY_PIN 27
#define SERVO_PIN 26

DHTesp dhtSensor;
Servo fan;

void setup() {

  Serial.begin(115200);

  pinMode(LDR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(RELAY_PIN, OUTPUT);

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  fan.attach(SERVO_PIN, 500, 2400);  // Important for ESP32
  fan.write(0);
}

void loop() {

  // 🌙 STREET LIGHT
  int ldrValue = analogRead(LDR_PIN);

  if (ldrValue < 2000) {
    digitalWrite(LED_PIN, HIGH);
  } else {
    digitalWrite(LED_PIN, LOW);
  }

  // 🌡 SMART AC
  TempAndHumidity data = dhtSensor.getTempAndHumidity();

  if (data.temperature > 30) {

    digitalWrite(RELAY_PIN, HIGH);
    fan.write(180);

  } else {

    digitalWrite(RELAY_PIN, LOW);
    fan.write(0);
  }

  delay(2000);
}