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

const int DHT_PIN = 15;
DHTesp dhtSensor;
LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);

const int LED_PIN = 2;     
const int PIR_SENSOR_PIN = 5;   
const int NEW_LED_PIN = 4;     
const int SOUND_SENSOR_PIN = 7; 

const float TEMP_THRESHOLD_HIGH = 28.0; 
const float TEMP_THRESHOLD_LOW = 22.0;  
const float HUMIDITY_THRESHOLD_HIGH = 60.0; 
const float HUMIDITY_THRESHOLD_LOW = 40.0;  

#define NTP_SERVER     "pool.ntp.org"
#define UTC_OFFSET     0
#define UTC_OFFSET_DST 0

void spinner() {
  static int8_t counter = 0;
  const char* glyphs = "\xa1\xa5\xdb";
  LCD.setCursor(15, 1);
  LCD.print(glyphs[counter++]);
  if (counter == strlen(glyphs)) {
    counter = 0;
  }
}

void setup() {
  Serial.begin(115200);
  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
  pinMode(LED_PIN, OUTPUT);         
  pinMode(PIR_SENSOR_PIN, INPUT);   
  pinMode(NEW_LED_PIN, OUTPUT);    
  pinMode(SOUND_SENSOR_PIN, INPUT); 
}

void loop() {
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  float temperature = data.temperature;
  float humidity = data.humidity;

  if (temperature > TEMP_THRESHOLD_HIGH || humidity > HUMIDITY_THRESHOLD_HIGH) {
    digitalWrite(LED_PIN, HIGH); 
  } else {
    digitalWrite(LED_PIN, LOW);  
  }

  int pirSensorValue = digitalRead(PIR_SENSOR_PIN);

  // Kiểm tra cảm biến PIR và bật/tắt đèn LED mới tương ứng
  if (pirSensorValue == HIGH) {
    digitalWrite(NEW_LED_PIN, HIGH); // Bật đèn LED mới khi phát hiện chuyển động
  } else {
    digitalWrite(NEW_LED_PIN, LOW);  // Tắt đèn LED mới khi không có chuyển động
  }

  int soundSensorValue = digitalRead(SOUND_SENSOR_PIN);

  if (soundSensorValue == HIGH) {
    digitalWrite(NEW_LED_PIN, HIGH); 
  } else {
    digitalWrite(NEW_LED_PIN, LOW); 
  }

  LCD.clear();
  LCD.setCursor(0, 0);
  LCD.println("Temp: " + String(temperature, 2) + "°C");
  LCD.setCursor(0, 1);
  LCD.println("Humidity: " + String(humidity, 1) + "%");
  Serial.println("Temp: " + String(temperature, 2) + "°C");
  Serial.println("Humidity: " + String(humidity, 1) + "%");
  Serial.println("---");
  delay(1000); // Chờ 1 giây trước khi lặp lại
}