#include <DHT.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>

#define DHTPIN A1
#define DHTTYPE DHT22
#define LED_PIN 13  
#define BLUE_LED_PIN 12  
#define SERVO_PIN 9  
#define BUZZER_PIN 8
#define SWITCH_PIN 2 

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);
Servo servo;

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2);
  lcd.print("Wokwi DT22 Test");
  delay(2000);
  lcd.clear();
  dht.begin();
  pinMode(LED_PIN, OUTPUT);
  pinMode(BLUE_LED_PIN, OUTPUT);  
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(SWITCH_PIN, INPUT_PULLUP);  
  servo.attach(SERVO_PIN);  
}

void loop() {
  if (digitalRead(SWITCH_PIN) == LOW) {
    

    delay(2000);

    float humidity = dht.readHumidity();
    float temperature = dht.readTemperature();

    if (isnan(humidity) || isnan(temperature)) {
      lcd.clear();
      lcd.print("Hata: Veri okunamıyor!");
      Serial.println("Sensör verileri okunamıyor!");
      return;
    }

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Humidity: ");
    lcd.print(humidity);
    lcd.print("%");
    lcd.setCursor(0, 1);
    lcd.print("Temp: ");
    lcd.print(temperature);
    lcd.print("C");

    Serial.print("Humidity: ");
    Serial.print(humidity);
    Serial.print("%  Temp: ");
    Serial.print(temperature);
    Serial.println("°C");

    if ((humidity < 55 || humidity > 60) || (temperature < 37.8 || temperature > 41)) {
      digitalWrite(LED_PIN, HIGH);
      
      
      if (humidity < 55  || temperature < 37.8) {
        digitalWrite(BLUE_LED_PIN, HIGH);
      } else {
        digitalWrite(BLUE_LED_PIN, LOW);
      }

      digitalWrite(BUZZER_PIN, HIGH);  

      
      if (humidity > 60 || temperature > 41) {
        servo.write(180);
      } else {
        
        servo.write(90);
      }
    } else {
      digitalWrite(LED_PIN, LOW);
      digitalWrite(BLUE_LED_PIN, LOW);
      digitalWrite(BUZZER_PIN, LOW);  
      servo.write(90);  
    }
  } else {
    
    digitalWrite(LED_PIN, LOW);
    digitalWrite(BLUE_LED_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);
    servo.write(90);  
    lcd.clear();
    lcd.print("");
    Serial.println("");
  }
}