#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <MFRC522.h>

#define SS_PIN 5  // Pin for RFID SS
#define RST_PIN 22  // Pin for RFID RST

// Create instances for RFID and LCD
MFRC522 mfrc522(SS_PIN, RST_PIN);
LiquidCrystal_I2C lcd(0x27, 16, 2);  // I2C address 0x27, LCD size 16x2

// Define RFID tag UIDs for shirts and jackets
String shirtTagUID = "1234567890";
String jacketTagUID = "0987654321";

void setup() {
  // Initialize serial communication for debugging
  Serial.begin(9600);
  
  // Initialize RFID reader
  SPI.begin();
  mfrc522.PCD_Init();
  Serial.println("Scan an RFID tag");
  
  // Initialize LCD
  lcd.begin(16, 2); // 16 columns, 2 rows
  lcd.backlight();  // Turn on backlight
  lcd.setCursor(0, 0);
  lcd.print("Smart Wardrobe");
  delay(2000);  // Show "Smart Wardrobe" for 2 seconds
  lcd.clear();
}

void loop() {
  // Look for new RFID tags
  if (mfrc522.PICC_IsNewCardPresent()) {
    if (mfrc522.PICC_ReadCardSerial()) {
      // Print UID of the detected tag to serial monitor
      String tagUID = "";
      for (byte i = 0; i < mfrc522.uid.size; i++) {
        tagUID += String(mfrc522.uid.uidByte[i], HEX);
      }
      tagUID.toUpperCase();
      Serial.print("Tag detected: ");
      Serial.println(tagUID);
      
      // Display the corresponding item on the LCD
      lcd.clear();
      lcd.setCursor(0, 0);
      if (tagUID == shirtTagUID) {
        lcd.print("Shirt Detected");
      } else if (tagUID == jacketTagUID) {
        lcd.print("Jacket Detected");
      } else {
        lcd.print("Unknown Tag");
      }
      delay(2000);  // Display the message for 2 seconds
    }
  }
}