#include <DHT.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
DHT dht(14, DHT22);

int ledM = 19; //lampu merah
int ledP = 18; //lampu putih
int ledB = 17; //lampu biru

int pinbuz = 16;
int chanbuz = 0;

void setup() {
  Serial.begin(115200);
  if(!oled.begin(SSD1306_SWITCHCAPVCC, 0x3c)){
    Serial.println(F("failed to start SSD1306 OLED"));
    while(1);
  }
  Serial.println("Hello");
  dht.begin();
  pinMode(ledM, OUTPUT);
  pinMode(ledP, OUTPUT);
  pinMode(ledB, OUTPUT);
  
  ledAttachPin(pinbuz, chanbuz);

}

void loop() {
  delay(1000); // this speeds up the simulation
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();

  float tempK = temp + 273.15;
  float tempF = (9.0 / 5.0 * temp) + 32.0;

  if(temp <= 15 && hum <= 10){
    digitalWrite(ledP, HIGH);
    digitalWrite(ledB, LOW);
    digitalWrite(ledM, LOW);
    oled.clearDisplay();
    oled.setTextSize(1);
    oled.setTextColor(WHITE);
    oled.setTextColor(SSD1306_WHITE);
    oled.setCursor(0, 0);
    oled.print("C: ");
    oled.println(temp);
    oled.print("K: ");
    oled.println(tempK);
    oled.print("F: ");
    oled.println(tempF);
    oled.display();
    ledcWriteNote(chanbuz, (note_t)NOTE_A, 5);
    delay(300); 
    ledcWriteTone(chanbuz, 0);
  }
  else if(temp >=16 && temp <=27 && hum >= 11 && hum <=50){
    digitalWrite(ledP, LOW);
    digitalWrite(ledB, HIGH);
    digitalWrite(ledM, LOW);
    oled.clearDisplay();
    oled.setTextSize(1);
    oled.setTextColor(WHITE);
    oled.setTextColor(SSD1306_WHITE);
    oled.setCursor(0, 0);
    oled.print("C: ");
    oled.println(temp);
    oled.print("K: ");
    oled.println(tempK);
    oled.print("F: ");
    oled.println(tempF);
    oled.display();
    ledcWriteTone(chanbuz, 0);
  }
  else if(temp > 27 && hum >= 51){
    digitalWrite(ledP, LOW);
    digitalWrite(ledB, LOW);
    digitalWrite(ledM, HIGH);
    oled.clearDisplay();
    oled.setTextSize(1);
    oled.setTextColor(WHITE);
    oled.setTextColor(SSD1306_WHITE);
    oled.setCursor(0, 0);
    oled.print("C: ");
    oled.println(temp);
    oled.print("K: ");
    oled.println(tempK);
    oled.print("F: ");
    oled.println(tempF);
    oled.display();
    ledcWriteNote(chanbuz, (note_t)NOTE_A, 5);
  }
  else {
    // Turn off all LEDs and buzzer
    digitalWrite(ledP, LOW);
    digitalWrite(ledB, LOW);
    digitalWrite(ledM, LOW);
    ledcWriteTone(chanbuz, 0);

    // Display message on OLED
    oled.clearDisplay();
    oled.setTextSize(1);
    oled.setTextColor(WHITE);
    oled.setTextColor(SSD1306_WHITE);
    oled.setCursor(0, 0);
    oled.println("menyala abangkuuu");
    oled.display();
  }
}