#include <Servo.h>
#include <DHT.h>

#define DHTPIN 8
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

const int led1 = 2;
const int led2 = 3;
const int fanLed = 4;  // LED simulating the fan
const int button1 = 6;
const int button2 = 7;

Servo thermostat;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(fanLed, OUTPUT);  // Setup for fan simulation LED
  pinMode(button1, INPUT_PULLUP);
  pinMode(button2, INPUT_PULLUP);

  thermostat.attach(9);
  dht.begin();
  Serial.begin(9600);
}

void loop() {
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  
  // Simulating temperature change manually for testing
  t = 30; // Manually set temperature to 30°C for testing

  // Display temperature and humidity
  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.println(" *C");

  // Automatic control based on temperature
  if (t > 25) {
    digitalWrite(fanLed, HIGH); // Turn on fan simulation LED
    thermostat.write(0); // Set thermostat to cool
  } else {
    digitalWrite(fanLed, LOW); // Turn off fan simulation LED
    thermostat.write(180); // Set thermostat to heat
  }

  // Manual control via buttons
  if (digitalRead(button1) == LOW) {
    digitalWrite(led1, !digitalRead(led1));
    delay(500);
  }
  if (digitalRead(button2) == LOW) {
    digitalWrite(led2, !digitalRead(led2));
    delay(500);
  }

  delay(2000); // Delay for readability
}