#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#include "DHTesp.h"
#define RelayPin 2


#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

const int DHT_PIN = 15;
DHTesp dhtSensor;

void setup() {
  lcd.init();
  lcd.backlight();
  Serial.begin(115200);
  Wire.begin(23, 22);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(RelayPin, OUTPUT);
}

void loop() {

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();

  lcd.setCursor(0, 0);
  lcd.print("Temperature:"+ String(data.temperature, 1) + "\xDF"+"C  ");
  lcd.setCursor(0, 1);
  lcd.print("Humidity: "+ String(data.humidity, 1) + "% ");
  delay(500);

  int16_t i = analogRead(34);
  String msg = i < 2165 ? "WET" : i > 3135 ? "DRY" : "NORMAL";
  lcd.clear();
  lcd.print("Soil Con: ");
  lcd.print(msg);
  delay(500); 

  if (data.temperature< 24 && data.humidity> 60 && i > 2800){
    digitalWrite(RelayPin, LOW);
    delay(500);
  }

  else if (data.temperature> 24 || data.humidity< 60 || i < 2800) {
    digitalWrite(RelayPin,HIGH);
    delay(500);
    
  } 
}