#include <Adafruit_Fingerprint.h>
#include <Adafruit_ILI9341.h>
#include <Adafruit_GFX.h>
#include <SD.h>
#include <Wire.h>

#define FINGERPRINT_RX 16 // Connect fingerprint sensor RX to pin 16
#define FINGERPRINT_TX 17 // Connect fingerprint sensor TX to pin 17

Adafruit_Fingerprint finger = Adafruit_Fingerprint(&Serial2);

// Define pins for IR sensors
#define IR_SENSOR_1 2
#define IR_SENSOR_2 3

// Define pins for buzzer and relay
#define BUZZER_PIN 4
#define RELAY_PIN 5

// Define pins for SD card
#define SD_CS_PIN 10

// Define pins for touchscreen display
#define TFT_CLK 13
#define TFT_RST 9
#define TFT_DC 8
#define TFT_CS 7

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST, TFT_CLK);

File attendanceFile;

int peopleCount = 0;

void setup() {
  Serial.begin(9600);
    Serial2.begin(57600);

      pinMode(IR_SENSOR_1, INPUT);
        pinMode(IR_SENSOR_2, INPUT);
          pinMode(BUZZER_PIN, OUTPUT);
            pinMode(RELAY_PIN, OUTPUT);

              if (!SD.begin(SD_CS_PIN)) {
                  Serial.println("SD Card initialization failed.");
                      while (1);
                        }

                          finger.begin(57600);

                            // Initialize display
                              tft.begin();
                                tft.fillScreen(ILI9341_BLACK);
                                  tft.setTextColor(ILI9341_WHITE);
                                    tft.setTextSize(2);
                                      tft.setCursor(10, 10);
                                        tft.println("Biometric Attendance System");
                                          tft.setCursor(10, 40);
                                            tft.println("Place Finger or Enter");
                                            }

                                            void loop() {
                                              // Check for people entering/exiting using IR sensors
                                                if (digitalRead(IR_SENSOR_1) == HIGH || digitalRead(IR_SENSOR_2) == HIGH) {
                                                    peopleCount++;
                                                        updateDisplay();
                                                            delay(1000); // Delay to avoid multiple counts
                                                              }

                                                                // Check for fingerprint authentication
                                                                  if (finger.verifyPassword()) {
                                                                      int fingerprintID = getFingerprintID();
                                                                          if (fingerprintID != -1) {
                                                                                grantAccess();
                                                                                      delay(3000); // Delay to allow the person to enter
                                                                                            peopleCount--;
                                                                                                  updateDisplay();
                                                                                                      }
                                                                                                        }
                                                                                                        }

                                                                                                        int getFingerprintID() {
                                                                                                          // Fingerprint authentication logic
                                                                                                            // ...
                                                                                                            }

                                                                                                            void grantAccess() {
                                                                                                              digitalWrite(BUZZER_PIN, HIGH);
                                                                                                                digitalWrite(RELAY_PIN, HIGH);

                                                                                                                  tft.fillScreen(ILI9341_BLACK);
                                                                                                                    tft.setCursor(10, 10);
                                                                                                                      tft.println("Access Granted");
                                                                                                                        delay(2000);

                                                                                                                          digitalWrite(BUZZER_PIN, LOW);
                                                                                                                            digitalWrite(RELAY_PIN, LOW);

                                                                                                                              tft.fillScreen(ILI9341_BLACK);
                                                                                                                                tft.setCursor(10, 10);
                                                                                                                                  tft.println("Place Finger or Enter");
                                                                                                                                  }

                                                                                                                                  void updateDisplay() {
                                                                                                                                    tft.fillScreen(ILI9341_BLACK);
                                                                                                                                      tft.setCursor(10, 10);
                                                                                                                                        tft.print("People Inside: ");
                                                                                                                                          tft.println(peopleCount);
                                                                                                                                            // Update other information on the display as needed
                                                                                                                                            }