#include <Arduino.h>
#include <U8g2lib.h>

#ifdef U8X8_HAVE_HW_I2C
//#include <Wire.h>
#endif

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, U8X8_PIN_NONE);

static const unsigned char image_arrow_curved_left_up_down_bits[] = {0x44,0x36,0x1f,0x06,0x04};

const char* menuItems[] = {"Info", "Settings", "Hello", "Logo"};
const int menuSize = sizeof(menuItems) / sizeof(menuItems[0]);
int currentMenuItem = 0;

const int potPin = 4; // Assuming potentiometer is connected to pin 4

TaskHandle_t Blink;
TaskHandle_t menu;

void setup(void) {
  Serial.begin(115200);
  u8g2.begin();
  pinMode(potPin, INPUT);
      xTaskCreatePinnedToCore(
    Blink_func,
    "Blink",
    10000,
    NULL,  /* Task input parameter */
    0,  /* Priority of the task */
    &Blink,  /* Task handle. */
    0);

  xTaskCreatePinnedToCore(
    menu_func,
    "menu",
    10000,
    NULL,  /* Task input parameter */
    0,  /* Priority of the task */
    &Blink,  /* Task handle. */
    0);

  Serial.println("Setup completed");
}

void Blink_func(void * TaskParameters_t){
  for(;;){

    static const unsigned char image_download_bits[] = {0x00,0x00,0x80,0x01,0x40,0x02,0x40,0x02,0x20,0x04,0x90,0x09,0x90,0x09,0x88,0x11,0x88,0x11,0x84,0x21,0x02,0x40,0x82,0x41,0x81,0x81,0x01,0x80,0xfe,0x7f,0x00,0x00};
    u8g2.setFontMode(1);
    u8g2.setBitmapMode(1);
    u8g2.drawXBM(110, 1, 16, 16, image_download_bits);
    u8g2.sendBuffer();
  }
}

void menu_func(void * TaskParameters_t){
  for(;;){
      //u8g2.clearBuffer();
      u8g2.setFontMode(1);
      u8g2.setBitmapMode(1);

      u8g2.drawFrame(0, 0, 128, 16);
      u8g2.drawFrame(0, 16, 128, 48);
      u8g2.drawFrame(4, 32, 120, 16);
      u8g2.drawLine(5, 48, 124, 48);
      u8g2.drawLine(124, 33, 124, 47);
      u8g2.drawXBMP(3, 55, 7, 5, image_arrow_curved_left_up_down_bits);

      u8g2.setFont(u8g2_font_5x8_tr);
      u8g2.drawStr(4, 11, "Open & Hack");

      u8g2.drawStr(8, 43, menuItems[currentMenuItem]);

      u8g2.sendBuffer();
  }
}

void loop(void) {
  int potValue = analogRead(potPin);
  currentMenuItem = map(potValue, 0, 4095, 0, menuSize - 1);

  delay(100); // Small delay to avoid too frequent updates
}