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

#define TFT_CS 15
#define TFT_RST 4
#define TFT_DC 2
#define TFT_MOSI 23
#define TFT_CLK 18
#define TFT_MISO 19

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

#define BUTTON_PIN 13

boolean tekan;
int cursorPos = 0;

void setup() {
  Serial.begin(115200);
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  tft.begin();
  tft.setRotation(3); // Adjust the rotation as needed
  tft.fillScreen(ILI9341_BLACK);
  drawBoxes();
  drawCursor(cursorPos);
}

void loop() {
  tekan = digitalRead(BUTTON_PIN);
  if (tekan == LOW) {
    delay(100); // debounce delay
    cursorPos = (cursorPos + 1) % 4;
    drawBoxes();
    drawCursor(cursorPos);
  }
}

void drawBoxes() {
  tft.fillScreen(ILI9341_BLACK);

  // Draw boxes with options
  tft.drawRect(0, 0, tft.width(), 60, ILI9341_WHITE);
  tft.setCursor(10, 20);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("Option 1");

  tft.drawRect(0, 60, tft.width(), 60, ILI9341_WHITE);
  tft.setCursor(10, 80);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("Option 2");

  tft.drawRect(0, 120, tft.width(), 60, ILI9341_WHITE);
  tft.setCursor(10, 140);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("Option 3");

  tft.drawRect(0, 180, tft.width(), 60, ILI9341_WHITE);
  tft.setCursor(10, 200);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("Option 4");
}

void drawCursor(int boxIndex) {
  int y = 0;
  switch (boxIndex) {
    case 0:
      y = 0;
      break;
    case 1:
      y = 60;
      break;
    case 2:
      y = 120;
      break;
    case 3:
      y = 180;
      break;
  }
  tft.fillRect(0, y, tft.width(), 60, ILI9341_WHITE); // Highlight the selected box

  // Redraw the option text in the highlighted box
  tft.setCursor(10, y + 20);
  tft.setTextColor(ILI9341_BLACK);
  tft.setTextSize(2);
  switch (boxIndex) {
    case 0:
      tft.print("Option 1");
      break;
    case 1:
      tft.print("Option 2");
      break;
    case 2:
      tft.print("Option 3");
      break;
    case 3:
      tft.print("Option 4");
      break;
  }
}