#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>

// Include the necessary libraries for your Wi-Fi module (e.g., ESP8266)
#include <WiFi.h>

// Define TFT screen pins
#define TFT_CS 10
#define TFT_DC 9
#define TFT_RST 8
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);

// Define Wi-Fi credentials
const char *ssid = "your-ssid";
const char *password = "your-password";

// Define speaker pin
#define SPEAKER_PIN 7

// Function prototypes
void displayWelcomePage();
void displayFoodMenu();
void displayDrinkMenu();
void displayOrderProcessing();
void displayThankYou();

void setup() {
  // Initialize TFT screen
  tft.begin();
  tft.setRotation(1); // Adjust the rotation if needed

  // Initialize Wi-Fi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");

  // Initialize speaker
  pinMode(SPEAKER_PIN, OUTPUT);

  // Display welcome page initially
  displayWelcomePage();
}

void loop() {
  // Your main loop code goes here
  // For simplicity, you can use a button press to trigger menu changes
  // For now, let's just loop indefinitely
  while (true) {
    displayFoodMenu(); // Display food menu
    delay(5000);       // Wait for 5 seconds

    displayDrinkMenu(); // Display drink menu
    delay(5000);        // Wait for 5 seconds

    displayOrderProcessing(); // Display order processing page
    delay(3000);             // Wait for 3 seconds

    displayThankYou(); // Display thank you page
    delay(5000);       // Wait for 5 seconds
  }
}

void displayWelcomePage() {
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextSize(3);
  tft.setTextColor(ILI9341_WHITE);
  tft.setCursor(30, 100);
  tft.print("Welcome to");
  tft.setCursor(30, 150);
  tft.print("Smart Desk");
  delay(2000); // Display welcome page for 2 seconds
}

void displayFoodMenu() {
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextSize(2);
  tft.setTextColor(ILI9341_WHITE);
  tft.setCursor(10, 20);
  tft.print("Today's Food Items");

  // Display 3x3 food menu items (you can customize this based on your actual menu)
  for (int row = 0; row < 3; row++) {
    for (int col = 0; col < 3; col++) {
      tft.setCursor(10 + col * 80, 50 + row * 40);
      tft.print("Food Item");
    }
  }

  // You can add button logic here to detect selection
  // For simplicity, let's wait for 5 seconds
  delay(5000);
}

void displayDrinkMenu() {
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextSize(2);
  tft.setTextColor(ILI9341_WHITE);
  tft.setCursor(10, 20);
  tft.print("Today's Drinks");

  // Display 2x2 drink menu items (you can customize this based on your actual menu)
  for (int row = 0; row < 2; row++) {
    for (int col = 0; col < 2; col++) {
      tft.setCursor(10 + col * 120, 50 + row * 60);
      tft.print("Drink Item");
    }
  }

  // You can add button logic here to detect selection
  // For simplicity, let's wait for 5 seconds
  delay(5000);
}

void displayOrderProcessing() {
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextSize(2);
  tft.setTextColor(ILI9341_WHITE);
  tft.setCursor(30, 100);
  tft.print("Order Processing");
  delay(3000); // Display order processing for 3 seconds
}

void displayThankYou() {
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextSize(2);
  tft.setTextColor(ILI9341_WHITE);
  tft.setCursor(30, 100);
  tft.print("Thank You!");
  delay(2000); // Display thank you page for 2 seconds
}