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

#define LED_B 19
#define LED_K 18
#define LED_M 5
#define TRIG 2
#define buzzerPin 12

#define LEBAR_LAYAR 128 // Lebar layar OLED yang digunakan
#define TINGGI_LAYAR 64 // Tinggi layar OLED yang digunakan

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

const int DHT_PIN = 15;
DHTesp dhtSensor;

int float SUHU;

void setup() 
{
  pinMode(LED_B, OUTPUT);
  pinMode(LED_K, OUTPUT);
  pinMode(LED_M, OUTPUT);
  pinMode(TRIG, OUTPUT);
  pinMode(buzzerPin, OUTPUT);

  digitalWrite(LED_B, LOW);
  digitalWrite(LED_K, LOW);
  digitalWrite(LED_M, LOW);

  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);
  }

  delay(2000);         
  oled.clearDisplay(); // clear display

  oled.setTextSize(1);         // Atur ukuran text
  oled.setTextColor(WHITE);    // Atur warna text
  oled.setCursor(0, 10);       // Atur posisi text pada display

  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

}

void loop() 
{

  TempAndHumidity  SUHU = dhtSensor.getTempAndHumidity();

  if(SUHU < 29)
  {
    digitalWrite(LED_B, HIGH);
    digitalWrite(LED_K, LOW);
    digitalWrite(LED_M, LOW);
    oled.println("SUHU RENDAH");
    oled.display(); 

  }
  else if(SUHU >= 29 && SUHU <= 35)
  {
    digitalWrite(LED_B, LOW);
    digitalWrite(LED_K, HIGH);
    digitalWrite(LED_M, LOW);
    oled.println("SUHU CUKUP");
    oled.display(); 
  }
  else if(SUHU > 35)
  {
    digitalWrite(LED_B, LOW);
    digitalWrite(LED_K, LOW);
    digitalWrite(LED_M, HIGH);
    oled.println("SUHU PANAS");
    oled.display(); 

    tone(buzzerPin, 1500);
    noTone(buzzerPin);
    delay(1000);
    tone(buzzerPin, 500, 1000);
    delay(1000);

  }
  else
  {
    digitalWrite(LED_B, LOW);
    digitalWrite(LED_K, LOW);
    digitalWrite(LED_M, LOW);
  }
}