#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
#include <ArduinoJson.h>
#include <ESP32Servo.h>

// Wi-Fi dan Telegram
const char* ssid = "Wokwi-GUEST";
const char* password = "";
#define BOTtoken "7148350230:AAH8pSCsd02LG0VoC079B5SYlSS-lmkrrm8"
#define CHAT_ID "518947846"

WiFiClientSecure client;
UniversalTelegramBot bot(BOTtoken, client);

// Pin Konfigurasi
const int irProxPin = 4;      // IR Proximity Sensor (digital)
const int buzzerPin = 5;      // Buzzer
const int servoPin = 2;       // Servo Motor
const int ledPin = 13;        // LED indikator

int irState = LOW;
int irValue = 0;

Servo myServo;

void setup() {
  Serial.begin(115200);
  client.setInsecure(); // Gunakan jika tidak memakai sertifikat Telegram

  pinMode(irProxPin, INPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(ledPin, OUTPUT);

  myServo.attach(servoPin);
  myServo.write(0); // posisi awal servo

  // Koneksi WiFi
  Serial.print("Connecting to WiFi: ");
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("\nWiFi connected");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  bot.sendMessage(CHAT_ID, "Bot aktif dengan sensor IR Proximity", "");
}

void loop() {
  irValue = digitalRead(irProxPin);

  if (irValue == HIGH) {
    digitalWrite(buzzerPin, HIGH);
    digitalWrite(ledPin, HIGH);
    myServo.write(180); // Servo buka penuh

    if (irState == LOW) {
      Serial.println("Objek terdeteksi oleh sensor IR Proximity!");
      bot.sendMessage(CHAT_ID, "Objek terdeteksi oleh sensor IR Proximity!", "");
      irState = HIGH;
    }
  } else {
    digitalWrite(buzzerPin, LOW);
    digitalWrite(ledPin, LOW);
    myServo.write(0); // Servo kembali

    if (irState == HIGH) {
      Serial.println("Tidak ada objek.");
      irState = LOW;
    }
  }

    delay(100);
}