/*
Mirza Hilmi Shodiq
225150707111067
*/

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <DHTesp.h> 
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

#define pinDHT 16
#define LED1 2
#define LED2 4   

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
DHTesp dhtSensor; 

void setup() {
  Serial.begin(115200); 
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED"));
    while (true);
  }
  dhtSensor.setup(pinDHT, DHTesp::DHT22);

  pinMode(LED1, OUTPUT); 
  pinMode(LED2, OUTPUT); 

  oled.clearDisplay();
  oled.setTextSize(1);
  oled.setTextColor(WHITE);
  delay(2000);
}

void loop() {
  delay(2000);

  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  float temp = data.temperature;
  float hum = data.humidity;
  if (isnan(hum) || isnan(temp)) {
    Serial.println(F("Pembacaan sensor DHT tidak berhasil!"));
    return;
  }
  Serial.print("Kelembaban: ");
  Serial.print(hum);
  Serial.print("% \tSuhu: ");
  Serial.print(temp);
  Serial.print("°C ");
  Serial.println();

  oled.clearDisplay();
  oled.setCursor(0, 0);
  oled.println("Mirza Hilmi Shodiq");
  oled.setCursor(0, 10);
  oled.println("225150707111067");

  if (temp < 0) {
    digitalWrite(LED1, HIGH); 
  } else digitalWrite(LED1, LOW);  

  if (hum > 60) {
    if (temp < 0) {
      oled.setCursor(0, 50);
      oled.println("Warning!");
    }
    digitalWrite(LED2, HIGH); 
  } else digitalWrite(LED2, LOW); 
  oled.display();
}