#include <Wire.h>

#include <LiquidCrystal_I2C.h>

#include <DHT.h>


#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN,DHTTYPE);
//dht11 DHT11;

LiquidCrystal_I2C lcd(0x3F, 20, 4);



void setup() {

  Serial.begin(9600);

  dht.begin();

  lcd.init();                      

  lcd.backlight();

  lcd.setCursor(0,0);

  lcd.print("Temp: ");

  lcd.setCursor(0,1);

  lcd.print("Humidity: ");

}



void loop() {

  int chk = dht.read(7);

  lcd.setCursor(6,0);
   
  float tmp = dht.readTemperature();

  float hum = dht.readHumidity();

  Serial.println(tmp);

  Serial.println(hum);

  lcd.print(dht.readTemperature());


  lcd.setCursor(9,0);

  lcd.print("C");

  // if(dht.readTemperature()>25){

  // }

  lcd.setCursor(9,1);

  lcd.setCursor(10,1);

  lcd.print(dht.readHumidity());

  
  

if(tmp >23.0){
  delay(2000);  // Delay for the user to see the first screen
    
    // Clear the screen for the second message
    lcd.clear();
    String message = "Temp is high! So do some indoor activities";
    // Print warning message
    //Serial.println(message.length());

    if(message.length() > 16){
      lcd.clear();
      String message1 = message.substring(0,16);
      String message2 = message.substring(17,message.length());
      lcd.setCursor(0, 0);
      lcd.print(message1);
     // Serial.println(message1);
      if(message2.length() > 16){
        String message3 = message2.substring(0,16);
        String message4 = message2.substring(16,message2.length());
      lcd.setCursor(0, 1);
      lcd.print(message3);
     // lcd.clear();
      lcd.setCursor(1, 1);
      lcd.print(message4);
      Serial.println(message3);
      Serial.println(message3.length());
      Serial.println(message4);
      Serial.println(message4.length());
      }
      
    }
    // lcd.setCursor(0, 0);
    // lcd.print("Temp is high!");
    // lcd.setCursor(0,1);
    // lcd.print(" So dosomeindooractivities");
    
   // Serial.println("Temp is high");

    delay(2000);  // Keep the warning message for a while

    // Clear again and return to showing temp and humidity
    lcd.clear();

    lcd.setCursor(0, 0);
    lcd.print("Temp: ");
    lcd.setCursor(0, 1);
    lcd.print("Humidity: ");
}
  



  delay(2000);


}