#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <Wire.h>
#include <SparkFun_MAX3010x.h> // Untuk MAX30102
#include <OneWire.h>
#include <DallasTemperature.h>

// WiFi Credentials
const char* ssid = "lgx3";
const char* password = "Rindaman";

// Telegram Bot Token dan Chat ID
const String botToken = "TOKEN_BOT_ANDA";
const String chatID = "CHAT_ID_ANDA";

// MAX30102 (Heartrate Sensor)
MAX30105 particleSensor;

// DS18B20 (Temperature Sensor)
#define ONE_WIRE_BUS 4 // Pin data DS18B20
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

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

  // Hubungkan ke WiFi
  Serial.print("Menghubungkan ke WiFi...");
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
  }
  Serial.println("\nTerhubung ke WiFi!");

  // Inisialisasi MAX30102
  if (!particleSensor.begin(Wire, I2C_SPEED_STANDARD)) {
    Serial.println("MAX30102 tidak terdeteksi. Periksa koneksi.");
    while (1);
  }
  particleSensor.setup(); // Konfigurasi default

  // Inisialisasi DS18B20
  sensors.begin();

  // Kirim pesan awal
  sendMessageToTelegram("Perangkat aktif. Memulai pengukuran...");
}

void loop() {
  // Baca data dari MAX30102
  long irValue = particleSensor.getIR();
  if (irValue > 50000) { // Jika IR terdeteksi
    int heartrate = calculateHeartRate(); // Implementasi fungsi detak jantung
    Serial.println("Detak Jantung: " + String(heartrate));
  } else {
    Serial.println("Tidak ada sinyal detak jantung.");
  }

  // Baca suhu dari DS18B20
  sensors.requestTemperatures();
  float temperature = sensors.getTempCByIndex(0);
  Serial.println("Suhu: " + String(temperature) + "°C");

  // Kirim data ke Telegram
  String message = "Data Terkini:\n";
  message += "Detak Jantung: " + String(irValue > 50000 ? calculateHeartRate() : 0) + " bpm\n";
  message += "Suhu: " + String(temperature) + "°C";

  sendMessageToTelegram(message);
  delay(60000); // Kirim data setiap 1 menit
}

void sendMessageToTelegram(String text) {
  if (WiFi.status() == WL_CONNECTED) {
    WiFiClientSecure client;
    client.setInsecure(); // Abaikan sertifikat SSL

    const String url = "/bot" + botToken + "/sendMessage?chat_id=" + chatID + "&text=" + text;
    const char* host = "api.telegram.org";

    if (client.connect(host, 443)) {
      client.println("GET " + url + " HTTP/1.1");
      client.println("Host: " + String(host));
      client.println("Connection: close");
      client.println();

      while (client.connected()) {
        String line = client.readStringUntil('\n');
        Serial.println(line);
      }
      client.stop();
    } else {
      Serial.println("Gagal menghubungi Telegram.");
    }
  } else {
    Serial.println("WiFi tidak terhubung.");
  }
}

int calculateHeartRate() {
  // Tambahkan algoritma penghitungan detak jantung berdasarkan data MAX30102
  return random(60, 100); // Placeholder untuk simulasi
}