// https://docs.wokwi.com/guides/esp32-wifi

//#include <WiFi.h>
#include "DHT.h"

#define DHTPIN 4     // Digital pin connected to the DHT sensor
// Feather HUZZAH ESP8266 note: use pins 3, 4, 5, 12, 13 or 14 --
// Pin 15 can work but DHT must be disconnected during program upload.

// Uncomment whatever type you're using!
//#define DHTTYPE DHT11   // DHT 11
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
//#define DHTTYPE DHT21   // DHT 21 (AM2301)

// Connect pin 1 (on the left) of the sensor to +5V
// NOTE: If using a board with 3.3V logic like an Arduino Due connect pin 1
// to 3.3V instead of 5V!
// Connect pin 2 of the sensor to whatever your DHTPIN is
// Connect pin 4 (on the right) of the sensor to GROUND
// Connect a 10K resistor f// Learn about the ESP32 WiFi simulation in
//rom pin 2 (data) to pin 1 (power) of the sensor

// Initialize DHT sensor.
// Note that older versions of this library took an optional third parameter to
// tweak the timings for faster processors.  This parameter is no longer needed
// as the current DHT reading algorithm adjusts itself to work on faster procs.
DHT dht(DHTPIN, DHTTYPE);

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);

// #define NTP_SERVER     "pool.ntp.org"
// #define UTC_OFFSET     0
// #define UTC_OFFSET_DST 0

// void spinner() {
//   static int8_t counter = 0;
//   const char* glyphs = "\xa1\xa5\xdb";
//   LCD.setCursor(15, 1);
//   LCD.print(glyphs[counter++]);
//   if (counter == strlen(glyphs)) {
//     counter = 0;
//   }
// }

// void printLocalTime() {
//   struct tm timeinfo;
//   if (!getLocalTime(&timeinfo)) {
//     LCD.setCursor(0, 1);
//     LCD.println("Connection Err");
//     return;
//   }

//   LCD.setCursor(8, 0);
//   LCD.println(&timeinfo, "%H:%M:%S");

//   LCD.setCursor(0, 1);
//   LCD.println(&timeinfo, "%d/%m/%Y   %Z");
// }

void setup() {
  Serial.begin(115200);
  Serial.println(F("DHTxx test!"));

  dht.begin();


  LCD.init();
  LCD.backlight();
  // LCD.setCursor(0, 0);
  // LCD.print("SSM ");
  // LCD.setCursor(0, 1);
  // LCD.print("WiFi ");

  // WiFi.begin("Wokwi-GUEST", "", 6);
  // while (WiFi.status() != WL_CONNECTED) {
  //   delay(250);
  //   spinner();
  // }

  // Serial.println("");
  // Serial.println("WiFi connected");
  // Serial.print("IP address: ");
  // Serial.println(WiFi.localIP());

 

  // configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
}

void loop() {
  // Wait a few seconds between measurements.
  delay(2000);

  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
  float f = dht.readTemperature(true);

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  // Compute heat index in Fahrenheit (the default)
  float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
  float hic = dht.computeHeatIndex(t, h, false);

  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"));
  // printLocalTime();
  // delay(250);
   LCD.clear();
  LCD.setCursor(3, 0);
  LCD.println("DHT-Sensor");
  
  LCD.setCursor(0, 1);
  LCD.print("H:");
  LCD.println(h);
  LCD.print("T:");
  LCD.print(t);

  delay(1000);


}