#include <Wire.h>
#include <RTClib.h>
#include <SPI.h>
#include <SD.h>

// Inisialisasi RTC dan SD card
RTC_DS3231 rtc;
const int chipSelect = 53;

// Daftar waktu alarm (format 24 jam)

// hari biasa
// adzan = 04:15 ; 11:45 ; 15:01 ; 17:41 ; 18:45 ------------- 1
// iqamah = 04:25 ; 11:48 ; 15:05 ; 17:47 ; 18:50 ------------ 2
// istirahat = 03:00 ; 11:10 ; 17:40 ------------------------- 3
// do'a makan = 11:11 ---------------------------------------- 4
// kembali kerja = 04:00 ; 12:09 ; 19:09 --------------------- 5

// int alarmHours[]   = {3, 4, 4, 4, 11, 11, 11, 11, 12, 15, 15, 17, 17, 17, 18, 18, 19};
// int alarmMinutes[] = {0, 0, 15, 25, 10, 11, 45, 48, 9, 1, 5, 40, 41, 47, 45, 50, 9};
// int alarmTypes[]   = {3, 5, 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 1, 2, 1, 2, 5};
// int totalAlarms = 17;

// hari jumat
// adzan = 04:15 ; 15:01 ; 17:41 ; 18:45 --------------------- 1
// iqamah = 04:25 ; 12:25 ; 15:05 ; 17:47 ; 18:50 ------------ 2
// istirahat = 03:00 ; 11:45 ; 17:40 ------------------------- 3
// do'a makan = 11:46 ---------------------------------------- 4
// kembali kerja = 04:00 ; 12:44 ; 19:09 --------------------- 5

// int fridayAlarmHours[]   = {3, 4, 4, 4, 11, 11, 12, 12, 15, 15, 17, 17, 17, 18, 18, 19};
// int fridayAlarmMinutes[] = {0, 0, 15, 25, 45, 46, 25, 44, 1, 5, 40, 41, 47, 45, 50, 9};
// int fridayAlarmTypes[]   = {3, 5, 1, 2, 3, 4, 2, 5, 1, 2, 3, 1, 2, 1, 2, 5};
// int totalFridayAlarms    = 16;


//urutan alarm
// istirahat -> kembali -> adzan subuh -> iqamah -> istirahat -> do'a makan -> adzan dhuhur -> iqamah -> kembali kerja -> adzan ashar -> iqamah ->
// istirahat -> adzan maghrib -> iqamah -> adzan isya' -> iqamah -> kembali kerja


int alarmHours[] = {6, 12, 15, 18, 19};  // Waktu alarm di hari biasa (Senin-Kamis, Sabtu)
int alarmMinutes[] = {0, 0, 5, 0, 0};  // Waktu alarm menit

// Daftar waktu alarm khusus untuk hari Jumat
int fridayAlarmHours[] = {7, 7, 17};  // Waktu alarm Jumat
int fridayAlarmMinutes[] = {40, 48, 45};  // Menit alarm Jumat

// Alarm tipe: 1 untuk alarm1.wav, 2 untuk alarm2.wav
int alarmTypes[] = {1, 2, 3, 4, 5};  // Alarm biasa
int fridayAlarmTypes[] = {5, 1, 2};  // Alarm Jumat

// Jumlah alarm
int totalAlarms = 5;

int totalFridayAlarms = 3;  // Jumlah alarm khusus Jumat

// Pin output audio
const int audioPin = 7;
const int ledPin = 6;


File audioFile;

// char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

void setup() {
  // Inisialisasi komunikasi serial
  Serial.begin(9600);

  // Inisialisasi RTC
  if (!rtc.begin()) {
    Serial.println("RTC tidak terdeteksi!");
    while (1);
  }

  // Cek apakah RTC berjalan
  if (rtc.lostPower()) {
    Serial.println("RTC kehilangan daya, set waktu!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));  // Set waktu ke waktu kompilasi
  }

  // Inisialisasi SD Card
  if (!SD.begin(chipSelect)) {
    Serial.println("SD Card gagal diinisialisasi!");
    while (1);
  }

  // Inisialisasi pin audio
  pinMode(audioPin, OUTPUT);
  digitalWrite(6, HIGH);
  delay(2000);
  digitalWrite(6, LOW);
}

void loop() {
  // Ambil waktu sekarang dari RTC
  DateTime now = rtc.now();
  int dayOfWeek = now.dayOfTheWeek();  // Dapatkan hari dalam seminggu (0 = Minggu, 5 = Jumat)

  // Serial.print(now.year(), DEC);
  // Serial.print('/');
  // Serial.print(now.month(), DEC);
  // Serial.print('/');
  // Serial.print(now.day(), DEC);
  // Serial.print("- Hari ke-");
  // Serial.print(dayOfWeek);
  // Serial.print('-');
  // Serial.print(now.hour(), DEC);
  // Serial.print(':');
  // Serial.print(now.minute(), DEC);
  // Serial.print(':');
  // Serial.print(now.second(), DEC);
  // Serial.println();
  // delay(5000);

  // Cek apakah hari ini adalah Jumat
  if (dayOfWeek == 5) {  // Jika hari Jumat
    // Alarm khusus hari Jumat
    for (int i = 0; i < totalFridayAlarms; i++) {
      if (now.hour() == fridayAlarmHours[i] && now.minute() == fridayAlarmMinutes[i] && now.second() == 0) {
        if (fridayAlarmTypes[i] == 1) {
          // playAlarmSound("alarm1.wav");  // Mainkan alarm1
          Serial.print("Hari Jumat, Memutar suara: 1");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        } else if (fridayAlarmTypes[i] == 2) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Hari Jumat, Memutar suara: 2");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();
          
          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        } else if (fridayAlarmTypes[i] == 3) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Hari Jumat, Memutar suara: 3");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        } else if (fridayAlarmTypes[i] == 4) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Hari Jumat, Memutar suara: 4");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        }  else if (fridayAlarmTypes[i] == 5) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Hari Jumat, Memutar suara: 5");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        }
        delay(60000); // Cegah alarm berbunyi terus-menerus dalam menit yang sama
      }
    }
  } else {
    // Alarm hari biasa (Senin-Kamis, Sabtu)
    for (int i = 0; i < totalAlarms; i++) {
      if (now.hour() == alarmHours[i] && now.minute() == alarmMinutes[i] && now.second() == 0) {
        if (alarmTypes[i] == 1) {
          // playAlarmSound("alarm1.wav");  // Mainkan alarm1
          Serial.print("Memutar suara: 1");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        } else if (alarmTypes[i] == 2) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Memutar suara: 2");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        } else if (alarmTypes[i] == 3) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Memutar suara: 3");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        } else if (alarmTypes[i] == 4) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Memutar suara: 4");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();

          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        }  else if (alarmTypes[i] == 5) {
          // playAlarmSound("alarm2.wav");  // Mainkan alarm2
          Serial.print("Memutar suara: 5");
          Serial.print(now.hour(), DEC);
          Serial.print(':');
          Serial.print(now.minute(), DEC);
          Serial.print(':');
          Serial.print(now.second(), DEC);
          Serial.println();
          
          digitalWrite(6, HIGH);
          delay(10000);
          digitalWrite(6, LOW);
        }
        delay(60000); // Cegah alarm berbunyi terus-menerus dalam menit yang sama
      }
    }
  }
}

// Fungsi untuk memutar suara alarm dari SD Card
void playAlarmSound(const char *filename) {
  Serial.print("Memutar suara: ");
  Serial.println(filename);
  
  // Buka file suara alarm
  audioFile = SD.open(filename);
  if (audioFile) {
    Serial.println("Memutar suara alarm...");
    
    // Baca file dan kirim ke pin audio
    while (audioFile.available()) {
      analogWrite(audioPin, audioFile.read());
    }
    audioFile.close();
  } else {
    Serial.println("Gagal membuka file alarm!");
  }
}