#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>

// Konfigurasi pin
#define PIR_PIN 27
#define BUZZER_PIN 26
#define LED_PIN 25
#define BUTTON_PIN 14

// Konfigurasi LCD
LiquidCrystal_I2C lcd(0x27, 16, 2); // Alamat I2C default
bool alarmEnabled = true;


void setup() {
  // Konfigurasi pin
  pinMode(PIR_PIN, INPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUTTON_PIN, INPUT_PULLUP);

  // Inisialisasi Serial
  Serial.begin(115200);
  Serial.println("Sensor Anti-Maling Aktif");

  // Inisialisasi LCD
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Anti-Maling");
  lcd.setCursor(0, 1);
  lcd.print("Connecting...");
  delay(2000);

  // Inisialisasi WiFi
  WiFi.begin("Wokwi-GUEST", "", 6 );
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\nWiFi Connected!");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("WiFi Connected");
  lcd.setCursor(0, 1);
  lcd.print(WiFi.localIP().toString());
  delay(3000); // Tampilkan IP Address selama 3 detik
}

void loop() {
  // Cek tombol ditekan
  if (digitalRead(BUTTON_PIN) == LOW) { // Tombol ditekan (logika invers karena pull-up)
    delay(200); // Debounce untuk menghindari noise tombol
    alarmEnabled = !alarmEnabled; // Toggle status alarm
    if (alarmEnabled) {
      Serial.println("Alarm Diaktifkan");
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Alarm: ON");
    } else {
      Serial.println("Alarm Dinonaktifkan");
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Alarm: OFF");
    }
  }

  // Cek gerakan jika alarm aktif
  if (alarmEnabled) {
    int motionDetected = digitalRead(PIR_PIN);
    if (motionDetected) {
      Serial.println("Gerakan terdeteksi! Alarm Aktif!");
      lcd.setCursor(0, 1);
      lcd.print("Motion Detected!");
      tone(BUZZER_PIN, 1000); // Buzzer bersuara dengan frekuensi 1000 Hz
      digitalWrite(LED_PIN, HIGH);
      delay(1000); // Alarm berbunyi selama 1 detik
    } else {
      noTone(BUZZER_PIN); // Hentikan suara buzzer
      digitalWrite(LED_PIN, LOW);
      lcd.setCursor(0, 1);
      lcd.print("No Motion     "); // Hapus teks lama
    }
  } else {
    // Pastikan buzzer dan LED mati jika alarm nonaktif
    noTone(BUZZER_PIN); // Matikan suara buzzer
    digitalWrite(LED_PIN, LOW);
    lcd.setCursor(0, 1);
    lcd.print("Alarm OFF     ");
  }

  delay(200); // Delay untuk mengurangi noise pada sensor PIR
}