/*********

*** D'SUDON *** 
*** MONITORING SUHU MAINTANK ***
KPP-TMRB
PROJECT MANAGEMENT-ICT

*********/

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

#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL66xn1Tulw"
#define BLYNK_TEMPLATE_NAME "SUDON"
#define BLYNK_AUTH_TOKEN "CLJgRmfS3-LOIz5pN_WZIcRcLqlN6KuZ"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
//BlynkTimer timer;

LiquidCrystal_I2C lcd(0x27, 16, 2);

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// GPIO where the DS18B20 is connected to
const int oneWireBus = 32;
const int relay = 2;   

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(oneWireBus);

// Pass our oneWire reference to Dallas Temperature sensor 
DallasTemperature sensors(&oneWire);

void setup() {
  pinMode(relay, OUTPUT);
  //digitalWrite(relay, LOW);
  // Start the Serial Monitor
  Serial.begin(115200);
  // Start the DS18B20 sensor
  sensors.begin();
  lcd.init();
  lcd.backlight();
  Blynk.begin(auth, ssid, pass);
  //imer.setInterval(1000L, myTimer);
}
/*
void myTimer (){
  
  sensors.requestTemperatures(); 
  int temperatureC = sensors.getTempCByIndex(0);
  int temperatureF = sensors.getTempFByIndex(0);
  Serial.print(temperatureC);
  Serial.println("ºC");
  Serial.print(temperatureF);
  Serial.println("ºF");

    Blynk.virtualWrite(V0, temperatureC);
    Blynk.virtualWrite(V1, temperatureF);
    //Blynk.virtualWrite(V2, temperature);
  
    if (temperatureC > 50){
        Serial.println("Alert!!!, Relay Aktif");
        //digitalWrite(relay, HIGH);
        //delay(10);
        digitalWrite(relay, LOW);
        delay(10);
        Blynk.logEvent("alert", "Temperature Warning!!! Segera Dinginkan Maintank!!!");
    }
}*/
void loop() {
  Blynk.run();

  lcd.clear();

  sensors.requestTemperatures(); 
  int temperatureC = sensors.getTempCByIndex(0);
  int temperatureF = sensors.getTempFByIndex(0);
  Serial.print(temperatureC);
  Serial.println("ºC");
  lcd.setCursor(0,0);
  lcd.print("Temperature=");
  lcd.print(temperatureC);
  //lcd.setCursor(15,0);
  lcd.print((char)223);
  lcd.print("C");
  //Serial.print(temperatureF);
  //Serial.println("ºF");

    Blynk.virtualWrite(V0, temperatureC);
    Blynk.virtualWrite(V1, temperatureF);

      if (temperatureC >= 70) {
        // Danger! Shut down the system.
        Serial.println("Alert!!!, Relay Active");
        digitalWrite(relay, HIGH);
        //delay(10);
        lcd.setCursor(0,1);
        lcd.print("Pompa Aktif!!!");        
        Blynk.logEvent("alert", "Temperature Warning!!! Segera Dinginkan Maintank!!!");
      }
      else if (temperatureC >= 50) { // 60 <= temperature < 70
        // Warning! User attention required.
        Serial.println("Alert!!!, Relay Active");
        digitalWrite(relay, HIGH);
        //delay(10);
        lcd.setCursor(0,1);
        lcd.print("Pompa Aktif!!!");
        Blynk.logEvent("alert", "Temperature Warning!!! Segera Dinginkan Maintank!!!");
      }
      else { // temperature < 60
        // Safe! Continue usual tasks.
        Serial.println("Alert!!!, Relay Non Active");
        digitalWrite(relay, LOW);
        delay(10);
        //Blynk.logEvent("alert", "Temperature Warning!!! Segera Dinginkan Maintank!!!");
      }

  delay(100);

  //timer.run();

}