#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
#include <DHT.h>

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define BOT_TOKEN "8137856737:AAHouY8U_2w7sOK4pG7k-D6K8kRInhi_7wA"
#define CHAT_ID "6750924550"

#define DHTPIN 5
#define DHTTYPE DHT11
#define PIR_PIN 19
#define LED_PIN 18
#define BUZZER_PIN 23

DHT dht(DHTPIN, DHTTYPE);
WiFiClientSecure client;
UniversalTelegramBot bot(BOT_TOKEN, client);

void setup() {
  Serial.begin(115200);
  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  dht.begin();

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  client.setInsecure();
  bot.sendMessage(CHAT_ID, "Sistem siap!", "");
}

void loop() {
  static bool motionDetected = false;
  int motion = digitalRead(PIR_PIN);
  if (motion == HIGH && !motionDetected) {
    motionDetected = true;
    digitalWrite(LED_PIN, HIGH);
    digitalWrite(BUZZER_PIN, HIGH);
    bot.sendMessage(CHAT_ID, "Gerakan terdeteksi!", "");
    delay(1000);
    digitalWrite(BUZZER_PIN, LOW);
  } else if (motion == LOW && motionDetected) {
    motionDetected = false;
    digitalWrite(LED_PIN, LOW);
  }

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  if (!isnan(h) && !isnan(t)) {
    String message = "Suhu: " + String(t) + "°C\nKelembaban: " + String(h) + "%";
    bot.sendMessage(CHAT_ID, message, "");
  }

  delay(5000);
}