#define BLYNK_LINK Serial

#define BLYNK_TEMPLATE_ID "TMPL6Zvd7WwXj"
#define BLYNK_TEMPLATE_NAME "Smart Fish Feeder"
#define BLYNK_AUTH_TOKEN "GZCTN5377esEOLkENdG-36xjiYhE_gYE"

#include <ESP32Servo.h>
#include "RTClib.h"
#include <DHTesp.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

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

RTC_DS1307 rtc;
BlynkTimer timer;
Servo servoku;
DHTesp dht;

const int DHT_PIN = 15;
const int BUTTON_PIN = 4;
char daysOfTheWeek[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jum'at", "Sabtu"};
int jumlahGerakan = 5;
int status = 0;
int jumlahKasihPakan = 0;
int manualFeedButtonState = 0;

BLYNK_WRITE(V0) {
  status = param.asInt();
  if (status == 1) {
    lcd.clear();
    lcd.setCursor(2, 0);
    lcd.print("Pakan Sedang");
    lcd.setCursor(3, 1);
    lcd.print("Di berikan");

    servoku.write(180);
    delay(500);

    Blynk.virtualWrite(V0, 0);
    jumlahKasihPakan++;
    delay(500);
    lcd.clear();
    servoku.write(0);
    status = 0;
  } else {
    servoku.write(0);
    Blynk.virtualWrite(V0, 0);
  }
}

void suhu() {
  TempAndHumidity data = dht.getTempAndHumidity();
  Blynk.virtualWrite(V2, data.temperature);
}

void printWithLeadingZero(LiquidCrystal_I2C& lcd, int value) {
  if (value < 10) {
    lcd.print('0');
  }
  lcd.print(value);
}

void waktu() {
  DateTime now = rtc.now();

  lcd.setCursor(0, 0);
  lcd.print(daysOfTheWeek[now.dayOfTheWeek()]);
  lcd.setCursor(8, 0);
  printWithLeadingZero(lcd, now.hour());
  lcd.print(':');
  printWithLeadingZero(lcd, now.minute());
  lcd.print(':');
  printWithLeadingZero(lcd, now.second());

  lcd.setCursor(0, 1);
  printWithLeadingZero(lcd, now.day());
  lcd.print('/');
  printWithLeadingZero(lcd, now.month());
  lcd.print('/');
  lcd.print(now.year(), DEC);

  TempAndHumidity data = dht.getTempAndHumidity();
  lcd.setCursor(11, 1);
  lcd.print(data.temperature, 1);
  lcd.setCursor(15, 1);
  lcd.print("C");
}

void fungsiJumlahKasihPakan() {
  DateTime now = rtc.now();

  if (now.hour() == 0 && now.minute() == 0 && now.second() == 0) {
    jumlahKasihPakan = 0;
  }
  if (now.second() == 0) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Hari Ini Beri");
    lcd.setCursor(0, 1);
    lcd.print(String("Pakan: ") + jumlahKasihPakan + String(" Kali"));
    delay(4000);
    lcd.clear();
  }
  Blynk.virtualWrite(V1, jumlahKasihPakan);
}

void lcdMenyala() {
  lcd.init();
  lcd.backlight();
  lcd.setCursor(5, 0);
  lcd.print("Sistem");
  lcd.setCursor(5, 1);
  lcd.print("Online");
  delay(3000);
  lcd.clear();
}

void setup() {
  Serial.begin(115200);
  Serial.println("Mengaktifkan Sistem Pakan Otomatis!");
  Blynk.begin(auth, ssid, pass);
  dht.setup(DHT_PIN, DHTesp::DHT22);

  lcdMenyala();

  servoku.attach(2);
  servoku.write(0);

  pinMode(BUTTON_PIN, INPUT);

  if (!rtc.begin()) {
    Serial.println("RTC tidak ditemukan!");
    Serial.flush();
    abort();
  }
}

void loop() {
  Blynk.run();
  fungsiJumlahKasihPakan();
  suhu();
  waktu();
  handleManualFeedButton();
}

void handleManualFeedButton() {
  int buttonState = digitalRead(BUTTON_PIN);

  if (buttonState == HIGH && manualFeedButtonState == 0) {
    lcd.clear();
    lcd.setCursor(2, 0);
    lcd.print("Pakan Manual");
    lcd.setCursor(3, 1);
    lcd.print("Di berikan");

    servoku.write(180);
    delay(500);

    Blynk.virtualWrite(V0, 0);
    jumlahKasihPakan++;
    delay(500);
    lcd.clear();
    servoku.write(0);
    manualFeedButtonState = 1;
  } else if (buttonState == LOW && manualFeedButtonState == 1) {
    manualFeedButtonState = 0;
  }
}