#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT);

float load = 0.86;  // Use a float for percentage calculations
float progress = 0.0;

void setup() {
  Serial.begin(115200);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.display();
  display.setTextSize(2);
  display.setTextColor(SSD1306_WHITE);
  display.print("Hello, ESP32!");
  display.display();
  Serial.println("Hello, ESP32!");
}

void loop() {
  while (progress < 100.0) {
    progress += load;
    if (progress > 100.0) {
      progress = 100.0;  // Ensure progress does not exceed 100%
    }

    delay(500);
    
    display.clearDisplay();
    display.drawRect(17, 20, 94, 20, SSD1306_WHITE);
    display.fillRect(21, 24, progress * 0.94, 12, SSD1306_WHITE);
    display.setTextColor(SSD1306_WHITE);
    display.setTextSize(1);
    display.setCursor(17, 9);
    display.print("LOADING...");
    display.setCursor(17, 45);
    display.print("Progress ");
    display.print(progress);
    display.print("%");
    display.display();
  }

  // Reset progress for the next loading cycle
  progress = 0.0;
}