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

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2
#define LOWLED      16
#define MOTOR       19

const int DHT_PIN = 15;

DHTesp dhtSensor;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  pinMode(LOWLED, OUTPUT);
  pinMode(MOTOR, OUTPUT);

  digitalWrite(LOWLED, HIGH);
  digitalWrite(MOTOR, LOW);

  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  lcd.init();
  lcd.backlight();
}

void loop() {
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  Serial.print("Temp: ");
  Serial.print(data.temperature, 1);
  Serial.println("°C");
  Serial.print("Humidity: ");
  Serial.print(data.humidity, 1);
  Serial.println("%");
  Serial.println();

  lcd.setCursor(0, 0);
  lcd.print("  Temp: ");
  lcd.print(data.temperature, 1);
  lcd.print("\xDFC  ");
  lcd.setCursor(0, 1);
  lcd.print(" Humidity: ");
  lcd.print(data.humidity, 1);
  lcd.print("% ");
  lcd.print("Wokwi Online IoT");

  if (data.humidity < 40.0) {
    digitalWrite(LOWLED, LOW);
    digitalWrite(MOTOR, LOW);
    Serial.println("Please water the plants!");
  } else {
    digitalWrite(LOWLED, HIGH);
    digitalWrite(MOTOR, HIGH);
    Serial.println("Plants are well-Hydrated!");
  }

  delay(1000);
}