/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/

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

#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

const int DHT_PIN = 15;

const int RelayPIN = 18;
const int Relay2PIN = 5;


DHTesp dhtSensor;
DHTesp dht2Sensor;

// set the LCD number of columns and rows
int lcdColumns = 16;
int lcdRows = 2;

// set LCD address, number of columns and rows
// if you don't know your display address, run an I2C scanner sketch
LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);  

float pns, pns2,
      bsh, bsh2;
bool bintang = 0,
      panas=0,
      kering=0;


void setup() {
  // Wire.begin();
  Serial.begin(115200);

  dht.begin();

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  
  pinMode(RelayPIN, OUTPUT);
  pinMode(Relay2PIN, OUTPUT);

  // initialize LCD
  lcd.init();
  lcd.setCursor(0, 0);
  lcd.print("Welcome");delay(500);
  lcd.setCursor(8, 0);
  lcd.print("to");delay(500);
  lcd.setCursor(0, 1);
  lcd.print("walet kont**l");

  delay(3000);
  lcd.clear(); 
  
}

void loop() {
  lcd.clear();
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);

  float hif = dht.computeHeatIndex(f, h);
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print("Temp: " + String(data.temperature, 2) + "°C\t");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%\t");

  Serial.print(F("Humidity: "));  Serial.print(h);
  Serial.print(F("%  Temperature: "));  Serial.print(t);
  Serial.print(F("°C "));
  Serial.print(f);  Serial.print(F("°F  Heat index: "));
  Serial.print(hic);  Serial.print(F("°C "));
  Serial.print(hif);  Serial.println(F("°F"));

  pns = data.temperature; pns2 = t;
  bsh = data.humidity;    bsh2 = h;
  Serial.print(pns);  Serial.print("\t"); Serial.println(pns2);
  Serial.print(bsh);  Serial.print("\t"); Serial.println(bsh2);
  Serial.println(bintang);

  lcd.setCursor(0, 0); lcd.print("Temp");
  lcd.setCursor(6, 0); lcd.print("Hdty");
  lcd.setCursor(12, 0); lcd.print("RL");

  lcd.setCursor(0, 1); lcd.print(String(data.temperature, 1) + "C");
  lcd.setCursor(6, 1); lcd.print(String(data.humidity, 1) + "%");
  

  switch (bintang){
    case 1: bintang = 0; 
            lcd.setCursor(15, 0); 
      break;
    case 0: bintang = 1; 
            lcd.setCursor(15, 1); 
      break;
  } lcd.print("*");

  if(pns > 35){
    panas=1;
  }else{
    panas=0;
  }
  
  if(bsh < 60){
    kering=1;
  }else{
    kering=0;
  }

  if(panas==1 && kering ==1){
    lcd.setCursor(12, 1); lcd.print("on");
    digitalWrite(RelayPIN, HIGH);
    digitalWrite(Relay2PIN, HIGH);
  }else if(panas==0 && kering ==0){
    lcd.setCursor(12, 1); lcd.print("><");
    digitalWrite(RelayPIN, LOW);
    digitalWrite(Relay2PIN, LOW);
  }

  
  delay(1000);
   
    
}