#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <DallasTemperature.h>

#define LCD_I2C_ADDR 0x3C
Adafruit_SSD1306 display(LCD_I2C_ADDR);
DallasTemperature tempSensor(0x90);
LiquidCrystal_I2C lcd(LCD_I2C_ADDR, 20, 4);

#define BLYNK_TEMPLATE_ID "TMPL64WGH6p5Q"
#define BLYNK_TEMPLATE_NAME "FYP"
#define BLYNK_AUTH_TOKEN "XrqafTZ6ckaEcPBEABmonsXZz3MWgc8V"

const int buttonPin = 14;
int buttonState = 0;

const int redLED = 12;
const int blueLED = 13;
const int greenLED = 15;

char auth[] = "XrqafTZ6ckaEcPBEABmonsXZz3MWgc8V";

void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, "it's MEHH!!", "00365511");

  display.begin(SSD1306_SWITCHCAPVCC, 128, 64);
  lcd.init();
  lcd.backlight();
  tempSensor.begin();
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(redLED, OUTPUT);
  pinMode(blueLED, OUTPUT);
  pinMode(greenLED, OUTPUT);
}

void loop() {
  Blynk.run();

  float temperature = tempSensor.readCelsius();
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print(" *C");

  // Your temperature control logic here...

  buttonState = digitalRead(buttonPin);
  if (buttonState == LOW) {
    Blynk.virtualWrite(V1, "ON");
  } else {
    Blynk.virtualWrite(V1, "OFF");
  }

  // Consider using BlynkTimer for scheduling tasks without delay
  delay(1000);
}

// BLYNK_WRITE(V2) {  // Blynk button widget on V2
//   // Handle Blynk button press event
//   int relayState = param.asInt();
//   if (relayState == HIGH) {
//     // Perform action when the button is pressed
//   } else {
//     // Perform action when the button is released
//   }
// }