#define BLYNK_TEMPLATE_ID "TMPL6W0GP1lyN"
#define BLYNK_TEMPLATE_NAME "UTPP"
#define BLYNK_AUTH_TOKEN "Ln-qcEn7haOXK3p31Ip_8b9u9nTwSnkO"

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

// DHT22 pin
#define PIN_DHT 15
#define TIPE_DHT DHT22
DHT sensorIklim(PIN_DHT, TIPE_DHT);

// Pin Output
#define PIN_LED_BIRU 12
#define PIN_LED_KUNING 13
#define PIN_LED_MERAH 14
#define PIN_BUZZER 27

// OLED
#define LAYAR_LEBAR 128
#define LAYAR_TINGGI 64
Adafruit_SSD1306 layar(LAYAR_LEBAR, LAYAR_TINGGI, &Wire, -1);

// WiFi
char wifi_ssid[] = "Wokwi-GUEST";
char wifi_pass[] = "";

// Blynk
BlynkTimer jadwalBaca;
#define VP_BUZZER V6
#define VP_SUHU V3
#define VP_KELEMBAPAN V5

bool status_buzzer = true;

BLYNK_WRITE(VP_BUZZER) {
  status_buzzer = param.asInt();
}

void setup() {
  Serial.begin(115200);
  sensorIklim.begin();
  Blynk.begin(BLYNK_AUTH_TOKEN, wifi_ssid, wifi_pass);

  pinMode(PIN_LED_BIRU, OUTPUT);
  pinMode(PIN_LED_KUNING, OUTPUT);
  pinMode(PIN_LED_MERAH, OUTPUT);
  pinMode(PIN_BUZZER, OUTPUT);

  if (!layar.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("Gagal inisialisasi OLED"));
    while (true);
  }

  layar.clearDisplay();
  layar.setTextSize(1);
  layar.setTextColor(WHITE);
  layar.setCursor(0, 0);
  layar.print("Inisialisasi...");
  layar.display();
}

void bacaDataSensor() {
  float suhu_now = sensorIklim.readTemperature();
  float lembap_now = sensorIklim.readHumidity();

  if (isnan(suhu_now) || isnan(lembap_now)) {
    Serial.println("Sensor gagal membaca data!");
    return;
  }

  Serial.print("Suhu: ");
  Serial.print(suhu_now);
  Serial.print(" °C, Kelembapan: ");
  Serial.print(lembap_now);
  Serial.println(" %");

  // Kirim ke Blynk
  Blynk.virtualWrite(VP_SUHU, suhu_now);
  Blynk.virtualWrite(VP_KELEMBAPAN, lembap_now);

  // Tampilkan di OLED
  layar.clearDisplay();
  layar.setCursor(0, 0);
  layar.print("Suhu: ");
  layar.print(suhu_now);
  layar.println(" C");
  layar.print("Lembap: ");
  layar.print(lembap_now);
  layar.println(" %");
  layar.display();

  // Logika kontrol
  if (suhu_now >= 25 && suhu_now <= 30 && lembap_now >= 55 && lembap_now <= 65) {
    digitalWrite(PIN_LED_BIRU, HIGH);
    digitalWrite(PIN_LED_KUNING, LOW);
    digitalWrite(PIN_LED_MERAH, LOW);
    Blynk.virtualWrite(V0, 1);
    Blynk.virtualWrite(V1, 0);
    Blynk.virtualWrite(V2, 0);
    noTone(PIN_BUZZER);
  } else if (suhu_now >= 31 && suhu_now <= 33 && lembap_now >= 66 && lembap_now <= 70) {
    digitalWrite(PIN_LED_BIRU, LOW);
    digitalWrite(PIN_LED_KUNING, HIGH);
    digitalWrite(PIN_LED_MERAH, LOW);
    Blynk.virtualWrite(V0, 0);
    Blynk.virtualWrite(V1, 1);
    Blynk.virtualWrite(V2, 0);
    noTone(PIN_BUZZER);
  } else {
    digitalWrite(PIN_LED_BIRU, LOW);
    digitalWrite(PIN_LED_KUNING, LOW);
    digitalWrite(PIN_LED_MERAH, HIGH);
    Blynk.virtualWrite(V0, 0);
    Blynk.virtualWrite(V1, 0);
    Blynk.virtualWrite(V2, 1);

    if (status_buzzer) {
      tone(PIN_BUZZER, 200);
      Blynk.logEvent("warning", "PERINGATAN! Kondisi kandang TIDAK AMAN!");
    } else {
      noTone(PIN_BUZZER);
    }
  }
}

void loop() {
  Blynk.run();
  bacaDataSensor();
}