#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_SSD1306.h>
#include <DHT.h>
#include <ESP32_Servo.h>

#define DHTPIN 15
#define DHTTYPE DHT22
#define LED_PIN 13
#define BLUE_LED_PIN 12
#define BUZZER_PIN 8
#define SWITCH_PIN 2

DHT dht(DHTPIN, DHTTYPE);
Adafruit_SSD1306 display(128, 32, &Wire);
Servo myservo;  // ESP32 için Servo nesnesi

void setup() {
  Serial.begin(9600);

  dht.begin();

  pinMode(LED_PIN, OUTPUT);
  pinMode(BLUE_LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(SWITCH_PIN, INPUT_PULLUP);

  display.begin(SSD1306_I2C_ADDRESS, 21, 22);
  display.display();
  delay(2000);
  display.clearDisplay();
}

void loop() {
  if (digitalRead(SWITCH_PIN) == LOW) {
    delay(2000);

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

    if (isnan(humidity) || isnan(temperature)) {
      display.clearDisplay();
      display.setTextSize(1);
      display.setTextColor(SSD1306_WHITE);
      display.setCursor(0, 0);
      display.println("Hata: Veri okunamıyor!");
      Serial.println("Sensör verileri okunamıyor!");
      display.display();
      return;
    }

    display.clearDisplay();
    display.setTextSize(1);
    display.setTextColor(SSD1306_WHITE);
    display.setCursor(0, 0);
    display.print("Humidity: ");
    display.print(humidity);
    display.print("%");
    display.setCursor(0, 10);
    display.print("Temp: ");
    display.print(temperature);
    display.print("C");
    display.display();

    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) {
        myservo.write(180);
      } else {
        myservo.write(90);
      }
    } else {
      digitalWrite(LED_PIN, LOW);
      digitalWrite(BLUE_LED_PIN, LOW);
      digitalWrite(BUZZER_PIN, LOW);
      myservo.write(90);
    }
  } else {
    digitalWrite(LED_PIN, LOW);
    digitalWrite(BLUE_LED_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);
    myservo.write(90);
    display.clearDisplay();
    display.display();
    Serial.println("");
  }
}