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

// SSID dan Password WiFi
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// Token Telegram BOT dan Chat ID
#define BOTtoken "7111827908:AAFHy4wG3M26dLu9LmwElZYQiGwmQCvHDZs" 
#define CHAT_ID "11933555"

WiFiClientSecure client;
UniversalTelegramBot bot(BOTtoken, client);

const int motionSensor1 = 27; // PIR Motion Sensor 1
const int motionSensor2 = 16; // PIR Motion Sensor 2
const int motionSensor3 = 17; // PIR Motion Sensor 3

bool motionDetected1 = false;
bool motionDetected2 = false;
bool motionDetected3 = false;

// Indicates when motion is detected for each sensor
void IRAM_ATTR detectsMovement1() {
  motionDetected1 = true;
}

void IRAM_ATTR detectsMovement2() {
  motionDetected2 = true;
}

void IRAM_ATTR detectsMovement3() {
  motionDetected3 = true;
}

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

  // PIR Motion Sensors mode INPUT_PULLUP
  pinMode(motionSensor1, INPUT_PULLUP);
  pinMode(motionSensor2, INPUT_PULLUP);
  pinMode(motionSensor3, INPUT_PULLUP);
  
  // Set motionSensor pins as interrupt, assign interrupt function and set RISING mode
  attachInterrupt(digitalPinToInterrupt(motionSensor1), detectsMovement1, RISING);
  attachInterrupt(digitalPinToInterrupt(motionSensor2), detectsMovement2, RISING);
  attachInterrupt(digitalPinToInterrupt(motionSensor3), detectsMovement3, RISING);

  // Attempt to connect to Wifi network:
  Serial.print("Connecting Wifi: ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  client.setCACert(TELEGRAM_CERTIFICATE_ROOT); // Add root certificate for api.telegram.org
  
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  bot.sendMessage(CHAT_ID, "Bot started up", "");
}

void loop() {
  if(motionDetected1){
    bot.sendMessage(CHAT_ID, "Motion detected on sensor 1!!", "");
    Serial.println("Motion Detected on Sensor 1");
    motionDetected1 = false;
  }

  if(motionDetected2){
    bot.sendMessage(CHAT_ID, "Motion detected on sensor 2!!", "");
    Serial.println("Motion Detected on Sensor 2");
    motionDetected2 = false;
  }

  if(motionDetected3){
    bot.sendMessage(CHAT_ID, "Motion detected on sensor 3!!", "");
    Serial.println("Motion Detected on Sensor 3");
    motionDetected3 = false;
  }
}