#define BLYNK_TEMPLATE_ID "TMPL6oM_KEj-X"
#define BLYNK_TEMPLATE_NAME "IOT Monitoring Puskes"
#define BLYNK_AUTH_TOKEN "pI6yp_7om_UbY1SbXQhfXKTdV3C7h6O3"
#define BLYNK_PRINT Serial

#include <DHT.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

int redPin = 27;
int yelPin = 26;
int greenPin = 25;
int buzPin = 14;

#define VPIN_BUZZER_CONTROL V2
#define VPIN_LED_MERAH V3
#define VPIN_LED_KUNING V4
#define VPIN_LED_HIJAU V5

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

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

bool manualControl = false;

void setup() {
  pinMode(greenPin, OUTPUT);
  pinMode(redPin, OUTPUT);
  pinMode(yelPin, OUTPUT);
  pinMode(buzPin, OUTPUT);

  dht.begin();
  Serial.begin(115200);
  Wire.begin();
  Wire.setClock(400000);
  Blynk.begin(auth, ssid, pass);

  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED"));
    while (1);
  }
}

void loop() {
  if (!manualControl) {
    double temp = dht.readTemperature();
    double hum = dht.readHumidity();

    oled.clearDisplay();
    oled.setTextSize(1);
    oled.setTextColor(WHITE);
    oled.setCursor(0, 2);
    oled.print("Suhu: ");
    oled.println(temp);
    oled.print("Kelembapan: ");
    oled.println(hum);
    oled.display();

    Blynk.virtualWrite(V0, temp);
    Blynk.virtualWrite(V1, hum);

    if (temp >= 20 && temp <= 28 && hum >= 45 && hum <= 60) {
      digitalWrite(greenPin, HIGH);
      digitalWrite(redPin, LOW);
      digitalWrite(yelPin, LOW);
      Blynk.virtualWrite(VPIN_LED_HIJAU, 1);
      Blynk.virtualWrite(VPIN_LED_MERAH, 0);
      Blynk.virtualWrite(VPIN_LED_KUNING, 0);
      noTone(buzPin);
    } else if (temp >= 29 && temp <= 31 && hum >= 61 && hum <= 65) {
      digitalWrite(redPin, LOW);
      digitalWrite(yelPin, HIGH);
      digitalWrite(greenPin, LOW);
      Blynk.virtualWrite(VPIN_LED_HIJAU, 0);
      Blynk.virtualWrite(VPIN_LED_MERAH, 0);
      Blynk.virtualWrite(VPIN_LED_KUNING, 1);
      tone(buzPin, 400, 100);
    } else if ((temp < 20 || temp > 31) || (hum < 40 || hum > 65)) {
      digitalWrite(redPin, HIGH);
      digitalWrite(yelPin, LOW);
      digitalWrite(greenPin, LOW);
      Blynk.virtualWrite(VPIN_LED_HIJAU, 0);
      Blynk.virtualWrite(VPIN_LED_MERAH, 1);
      Blynk.virtualWrite(VPIN_LED_KUNING, 0);
      Blynk.logEvent("warning", String("WARNING! Suhu saat ini: ") + String(temp) + " C");
      tone(buzPin, 1000);
    }
  }

  Blynk.run();
  delay(1000);
}

BLYNK_WRITE(VPIN_BUZZER_CONTROL) {
  int switchState = param.asInt();
  manualControl = switchState == 1;
  if (manualControl) {
    digitalWrite(greenPin, HIGH);
    tone(buzPin, 1000);
  } else {
    digitalWrite(greenPin, LOW);
    noTone(buzPin);
  }
}