#include <WiFi.h>
#include <NTPClient.h> //untuk mengakses dan mengambil waktu dari server NTP (Network Time Protocol).
#include <WiFiUdp.h> //digunakan untuk mengatur dan mengelola komunikasi melalui protokol UDP (User Datagram Protocol) menggunakan koneksi WiFi.

//membuat sebuah variable
// Replace with your network credentials
const char* ssid     = "Wokwi-GUEST";
const char* password = "";

//https://www.arduino.cc/reference/en/libraries/wifi/wifiudp/
//sintaks
WiFiUDP ntpUDP;

// By default 'pool.ntp.org' is used with 60 seconds update interval and no offset
// You can specify the time server pool and the offset, (in seconds)
// additionally you can specify the update interval (in milliseconds).
// NTPClient timeClient(ntpUDP, "europe.pool.ntp.org", 3600, 60000);
// NTPClient timeClient(ntpUDP);
NTPClient timeClient(ntpUDP, "asia.pool.ntp.org", 7 * 3600); // Adjust the time zone offset accordingly

// Variables to save date and time
String formattedDate;
String dayStamp;
String timeStamp;

//pin relay
const int relay1 = 23;
const int relay2 = 22;
const int relay3 = 21;
const int relay4 = 19;
const int relay5 = 18;


void setup() {
  // Initialize Serial Monitor
  Serial.begin(115200);
  Serial.print("Connecting to WiFi ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  // Print local IP address and start web server
  Serial.println("");
  Serial.println("WiFi connected.");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());

  // Initialize a NTPClient to get time
  timeClient.begin();
  // Set offset time in seconds to adjust for your timezone, for example:
  // GMT +1 = 3600
  // GMT +8 = 28800
  // GMT -1 = -3600
  // GMT 0 = 0
  //timeClient.setTimeOffset(3600);

  pinMode(relay1, OUTPUT);
  pinMode(relay2, OUTPUT);
  pinMode(relay3, OUTPUT);
  pinMode(relay4, OUTPUT);
  pinMode(relay5, OUTPUT);

}

void loop() {
  timeClient.update();  // Memperbarui waktu
  Serial.println(getFormattedDateTime());
  
  //formattedDate = timeClient.getFormattedTime();
  //Serial.println(formattedDate);
  controlRelay();
  delay(1000); // this speeds up the simulation
}

String getFormattedDateTime() {
  String formattedDateTime = "";

  String time = timeClient.getFormattedTime();  // Mendapatkan waktu dalam format HH:mm:ss
  int day = timeClient.getDay();  // Mendapatkan hari dalam bentuk angka (0-6)

  formattedDateTime += getDayName(day);  // Mendapatkan nama hari berdasarkan indeks
  formattedDateTime += ", ";
  formattedDateTime += time;

  return formattedDateTime;
}

String getDayName(int day) {
  switch (day) {
    case 0: return "Minggu";
    case 1: return "Senin";
    case 2: return "Selasa";
    case 3: return "Rabu";
    case 4: return "Kamis";
    case 5: return "Jumat";
    case 6: return "Sabtu";
    default: return "";
  }
}

void controlRelay() {
  int currentHour = timeClient.getHours();
  int currentMinute = timeClient.getMinutes();
  int currentSecond = timeClient.getSeconds();

  // Mengatur jadwal pompa pada pukul 06:00 pagi dan 18:00 sore
  if ((currentHour == 19 && currentMinute == 55) || (currentHour == 20 && currentMinute == 21)) {
    // Menyalakan pompa selama 3 menit
    digitalWrite(relay1, HIGH);
    Serial.println("Relay 1 Hidup");
    delay(180000);  // 3 Menit
    digitalWrite(relay1, LOW);
    Serial.println("Relay 1 Mati");
  }

  if ((currentHour == 20 && currentMinute == 00) || (currentHour == 20 && currentMinute == 21)) {
    // Menyalakan pompa selama 3 menit
    digitalWrite(relay2, HIGH);
    Serial.println("Relay 2 Hidup");
    delay(180000);  // 3 Menit
    digitalWrite(relay2, LOW);
    Serial.println("Relay 2 Mati");
  } 

  if ((currentHour == 20 && currentMinute == 05) || (currentHour == 20 && currentMinute == 21)) {
    // Menyalakan pompa selama 3 menit
    digitalWrite(relay3, HIGH);
    Serial.println("Relay 3 Hidup");
    delay(180000);  // 3 Menit
    digitalWrite(relay3, LOW);
    Serial.println("Relay 3 Mati");
  }

  if ((currentHour == 20 && currentMinute == 10) || (currentHour == 20 && currentMinute == 21)) {
    // Menyalakan pompa selama 3 menit
    digitalWrite(relay4, HIGH);
    Serial.println("Relay 4 Hidup");
    delay(180000);  // 3 Menit
    digitalWrite(relay4, LOW);
    Serial.println("Relay 4 Mati");
  }

  if ((currentHour == 20 && currentMinute == 21) || (currentHour == 16 && currentMinute == 00)) {
    // Menyalakan pompa selama 3 menit
    digitalWrite(relay5, HIGH);
    Serial.println("Relay 5 Hidup");
    delay(180000);  // 3 Menit
    digitalWrite(relay5, LOW);
    Serial.println("Relay 5 Mati");
  }

}