#define BLYNK_TEMPLATE_ID "TMPL6BDx60xya"
#define BLYNK_TEMPLATE_NAME "BBM"
#define BLYNK_AUTH_TOKEN "pzoHRTmNm-lxjyF4hlkUJK_jhi9Ka52U"
#define BLYNK_PRINT Serial //Kita menggunakan Blynk serial

#include <BlynkSimpleEsp32.h>
#include <UniversalTelegramBot.h>
#include <WiFiClientSecure.h>
#include <SimpleUltrasonic.h>
#include <ArduinoJson.h>
#include <Blynk.h>
#include <WiFi.h> //Library WiFi
#include <WiFiClient.h> //Library WiFiClient
#include <BlynkSimpleEsp32.h> //Library BlynkESP32

char ssid[] = "Telkomsel 5G"; //Nama WiFi yang digunakan
char pass[] = "Telkomsel123"; //Password WiFi yang digunakan

BlynkTimer timer; //Untuk push data dibutuhkan blynk timer (untuk code push data dapat dilihat di blynk example)
#define BOT_TOKEN "7591889335:AAEnmisfXl1O8WWoUFHFWbKpahitY_9btY8"
#define CHAT_ID "7060442428"

WiFiClientSecure client;
UniversalTelegramBot bot(BOT_TOKEN, client);

#define TRIG_PIN 2
#define ECHO_PIN 15

SimpleUltrasonic TRIG_PIN, ECHO_PIN;

long lastTimeSent = 0;
long timerDelay = 60000;  // 1 minute delay for sending notifications
int thresholdLevel = 20;  // Threshold in cm for BBM level warning

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

  // Connect to Wi-Fi
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("WiFi connected");

  // Initialize Blynk
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

  // Set up Telegram bot server timeouts and TLS
  client.setInsecure();
}

void loop() {
  Blynk.run();  // Blynk connection

  // Read the level of BBM from ultrasonic sensor
  long distance = SimpleUltrasonic.Ranging();
  Serial.print("Level BBM: ");
  Serial.print(distance);
  Serial.println("cm");

  // Send BBM level to Blynk app
  Blynk.virtualWrite(V1, distance);  // V1 is the Virtual Pin for displaying the value in Blynk

  // Check if level is below threshold, send Telegram notification
  if (distance < thresholdLevel && (millis() - lastTimeSent > timerDelay)) {
    sendTelegramNotification(distance);
    lastTimeSent = millis();  // Update the last time notification was sent
  }

  delay(10000);  // Update every 10 seconds
}

void sendTelegramNotification(long distance) {
  String message = "Warning! BBM level is below the safe threshold: " + String(distance) + " cm.";
  Serial.println("Sending Telegram message...");
  bot.sendMessage(CHAT_ID, message, "");
}