#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "DHTesp.h"

#define LEBAR_LAYAR 128
#define TINGGI_LAYAR 64 



Adafruit_SSD1306 oled(LEBAR_LAYAR, TINGGI_LAYAR, &Wire, -1);

const int DHT_PIN = 15;
const int LEDB_PIN = 2;
const int LEDK_PIN = 5;
const int LEDM_PIN = 18;
const int BUZ_PIN = 4;

DHTesp dhtSensor;


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

  // initialize OLED display with I2C address 0x3C
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED"));
    while (1);
  }
         
  oled.clearDisplay(); 

  oled.setTextSize(1);   
  oled.setTextColor(WHITE);  
  oled.setCursor(25, 28); 
  oled.println("Initializing..");
  oled.display();    
  delay(1000);
  oled.clearDisplay(); 

  pinMode(LEDB_PIN, OUTPUT);
  pinMode(LEDK_PIN, OUTPUT);
  pinMode(LEDM_PIN, OUTPUT);
  ledcAttachPin(BUZ_PIN, 4);
  ledcSetup(4, 50, 12); 
  pinMode(BUZ_PIN, OUTPUT);

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


}

void loop()
{
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();

  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");

  oled.setTextSize(1);       
  oled.setTextColor(WHITE);    
  oled.setCursor(10, 10);       
  oled.println("Temp: " + String(data.temperature, 1) + " C");
  oled.setCursor(10, 20);
  oled.println("Hum :  " + String(data.humidity, 1) + " %");
  oled.display(); 
  delay(1);

  if(data.temperature <= 29)
  {
    oled.clearDisplay(); 
    oled.setCursor(30, 40);
    oled.println("SUHU RENDAH");
    digitalWrite(LEDB_PIN, HIGH);
  }else{
    digitalWrite(LEDB_PIN, LOW);
  }

  if(data.temperature > 29 && data.temperature < 35)
  {
    oled.clearDisplay(); 
    oled.setCursor(30, 40);
    oled.println("SUHU CUKUP");
    digitalWrite(LEDK_PIN, HIGH);
  }else{
    digitalWrite(LEDK_PIN, LOW);
  }

  if(data.temperature >= 35)
  {
    oled.clearDisplay(); 
    oled.setCursor(30, 40);
    oled.println("SUHU PANAS");
    digitalWrite(LEDM_PIN, HIGH);
    tone(BUZ_PIN, 200, 100);
  }else{
    digitalWrite(LEDM_PIN, LOW);
    noTone(BUZ_PIN);
  }

  delay(500);
}