#define BLYNK_TEMPLATE_ID "TMPL6h0gVlwjY"
#define BLYNK_TEMPLATE_NAME "UTSPAKANIKAN"
#define BLYNK_AUTH_TOKEN "WDdpHBimnT4hYCZ-RPSF9ORiZpxUfJb2"
#include <WiFi.h>
#include <WiFiClient.h>
#include <Wire.h>
#include <RTClib.h>
RTC_DS1307 rtc;

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#include <ESP32Servo.h>
#include <BlynkSimpleEsp32.h>  // Include the Blynk library

#define TRIG_PIN 32
#define ECHO_PIN 35
#define LED1 25
#define LED2 26
#define LED3 27

char auth[] = "WDdpHBimnT4hYCZ-RPSF9ORiZpxUfJb2";
const int servoPin = 5;
Servo mekanik;

void setup() {
  Serial.begin(115200);

  mekanik.attach(servoPin);
  mekanik.write(0);

  lcd.init();
  lcd.backlight();
  lcd.clear();

  Wire.begin();
  if (!rtc.begin()) {
    Serial.println("RTC tidak terhubung");
    while (1);
  }

  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);

  Blynk.begin(auth, "Wokwi-GUEST", "");  
  lcd.clear();
}

void loop() {
  Blynk.run();

  DateTime now = rtc.now();
  int tahun = now.year();
  int bulan = now.month();
  int tanggal = now.day();
  int jam = now.hour();
  int menit = now.minute();
  int detik = now.second();

  long duration, cm;
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  duration = pulseIn(ECHO_PIN, HIGH);
  cm = duration / 58;

  lcd.setCursor(0, 0);
  lcd.print(String() + "Date: " + tanggal + "-" + bulan + "-" + tahun);
  lcd.setCursor(0, 1);
  lcd.print(String() + "Time: " + jam + ":" + menit + ":" + detik + " ");

  // Control LEDs based on distance
  if (cm > 20) {
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, HIGH);
    Blynk.virtualWrite(V0, 1); // Set status LED di pin V0 menjadi ON
    Blynk.virtualWrite(V1, 0); // Set status LED di pin V0 menjadi ON
    Blynk.virtualWrite(V2, 0); // Set status LED di pin V0 menjadi ON
  } else if (cm >= 10 && cm <= 20) {
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, HIGH);
    digitalWrite(LED3, LOW);
    Blynk.virtualWrite(V0, 0); // Set status LED di pin V0 menjadi ON
    Blynk.virtualWrite(V1, 1); // Set status LED di pin V0 menjadi ON
    Blynk.virtualWrite(V2, 0); // Set status LED di pin V0 menjadi ON
  } else {
    digitalWrite(LED1, HIGH);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW);
    Blynk.virtualWrite(V0, 0); // Set status LED di pin V0 menjadi ON
    Blynk.virtualWrite(V1, 0); // Set status LED di pin V0 menjadi ON
    Blynk.virtualWrite(V2, 1); // Set status LED di pin V0 menjadi ON
  }

  if (jam == 7 && menit == 0 && detik == 0) {
    lcd.clear();
    kasihpakanikan();
  }

  delay(1000);
}

void kasihpakanikan() {
  int waktu = 5;
  for (waktu = waktu; waktu >= 1; waktu -= 1) {
    lcd.setCursor(0, 0);
    lcd.print("Pakan Ikan Siap..");
    lcd.setCursor(0, 1);
    lcd.print("Dalam " + String(waktu) + " Detik");
    mekanik.write(90);
    delay(1000);
  }
  lcd.clear();
  mekanik.write(0);
  lcd.clear();
}