#define BLYNK_TEMPLATE_ID "TMPL6rnjbe8bB"
#define BLYNK_TEMPLATE_NAME "prj2SmartFarm"
#define BLYNK_AUTH_TOKEN "8hTEJVAHxbiAl8Ho4pjxpBnjlsCpBC4l"

#define BLYNK_PRINT Serial

#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include "DHT.h"

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 20, 4);
DHT dht(15, DHT22);

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

int ledState = 0;
//int value;

BLYNK_WRITE(V1){
  int value = param.asInt();
  digitalWrite(2,value);
  Blynk.virtualWrite(V0, value);
  Blynk.virtualWrite(V1, value);
  delay(50);
}
BLYNK_WRITE(V2){
  int value = param.asInt();
  digitalWrite(5,value);
  delay(50);
}


void setup(){

  Serial.begin(115200);
  dht.begin();
  pinMode(2, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(19, INPUT_PULLUP);
  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Connect to WiFi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  LCD.setCursor(0, 1);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    //LCD.setCursor(0, 1);
    //LCD.print(".");
  }
  LCD.setCursor(0, 1);
  LCD.println("IP: ");
  //LCD.setCursor(0, 3);
  LCD.println(WiFi.localIP());
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

}

void loop(){
  int h = dht.readHumidity();
  int t = dht.readTemperature();
  LCD.setCursor(0, 2);
  LCD.print("Hum  : ");
  LCD.print(h);
  LCD.print(" %   ");
  LCD.setCursor(0, 3);
  LCD.print("Temp : ");
  LCD.print(t);
  LCD.print(" C   ");

  Blynk.run();
  int x = digitalRead(19);
  delay(50);
  if (x == 0) {
    ledState = !ledState;
    digitalWrite(2, ledState);
    Blynk.virtualWrite(V0, ledState);
    Blynk.virtualWrite(V1, ledState);
    delay(50);
  } 

    Blynk.virtualWrite(V3, t);
    delay(50);
    Blynk.virtualWrite(V4, h);
    delay(50);


}