// Learn about the ESP32 WiFi simulation in
// https://docs.wokwi.com/guides/esp32-wifi

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

const int DHT_PIN = 15;

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

#define RELAY_PIN1_Fan 2
#define RELAY_PIN2_Heater 3
#define RELAY_PIN3_Humidifre 4
#define RELAY_PIN4_BlueLight 5

DHTesp dhtSensor;
TempAndHumidity  data;
int AmbiTemp;
int AmbiHumiditi;

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


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 printHT(){
  LCD.setCursor(0, 0);
  LCD.println("Temp: " + String(data.temperature, 2) + "°C");
  delay(2500);
  LCD.setCursor(0, 1);
  LCD.println("Humidity: " + String(data.humidity, 1) + "%");
  delay(2500);
}
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 ConfigureEnvironment(){
  if(AmbiTemp>23)
  {
    digitalWrite(RELAY_PIN1_Fan, HIGH);
    delay(1000);
    Serial.println("Relay 1 Fan On");
  }
//  if((AmbiTemp>19) OR (AmbiTemp<23))
//  {
//    digitalWrite(RELAY_PIN1_Fan, LOW);
//    Serial . println("Relay 1 Fan Off");
//    delay(1000);
//  }

if(AmbiTemp<20)
  {
    digitalWrite(RELAY_PIN2_Heater, HIGH);
    delay(1000);
    Serial.println("Relay 2 Heater On");
  }
  if(AmbiTemp>20)
  {
    digitalWrite(RELAY_PIN2_Heater, LOW);
    Serial . println("Relay 2 Heater is Off");
    delay(1000);
  }

if(AmbiHumiditi<60)
  {
    digitalWrite(RELAY_PIN3_Humidifre, HIGH);
    delay(1000);
    Serial.println("Relay 3 Humidifer On");

  }
  if(AmbiHumiditi>60)
  {
    digitalWrite(RELAY_PIN3_Humidifre, LOW);
    Serial . println("Relay 3 Humidifer Off");
    delay(1000);
  }

}
void BlueLight(bool status){
  if(status)
    {
    digitalWrite(RELAY_PIN4_BlueLight, HIGH);
    Serial . println("Relay 4 Blue Light On");
    delay(1000);
    }
  else 
  {
    digitalWrite(RELAY_PIN4_BlueLight, LOW);
    Serial . println("Relay 4 Blue Light Off");
    delay(1000);
  }
}


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

  pinMode(RELAY_PIN1_Fan, OUTPUT);

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Connecting to ");
  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());

  LCD.clear();
  LCD.setCursor(0, 0);
  LCD.println("Online");
  LCD.setCursor(0, 1);
  LCD.println("Updating time...");

  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

}

void loop() {
  printLocalTime();
  
    data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  AmbiTemp=data.temperature;
  AmbiHumiditi=data.humidity;
  delay(250);
  printHT();
  ConfigureEnvironment();  
  BlueLight(true);
  delay(500);
  BlueLight(false);
}