#include "U8glib.h"

U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_DEV_0 | U8G_I2C_OPT_NO_ACK | U8G_I2C_OPT_FAST); // Fast I2C / TWI

int potPin = A1; // Potentiometer connected to A1
int ledPin = 13; // LED connected to digital pin 13 (or choose another pin)
int psi; // Variable to store the turbo PSI value
unsigned long lastToggleTime = 0; // Time when the message was last toggled
bool showMessage = false; // Whether to show the message or not

void setup() {
  u8g.setFont(u8g_font_tpssb);
  u8g.setColorIndex(1);
  pinMode(potPin, INPUT); // Initialize the potentiometer pin as an input
  pinMode(ledPin, OUTPUT); // Initialize the LED pin as an output
}

void loop() {
  int potValue = analogRead(potPin); // Read the value from the potentiometer
  psi = map(potValue, 0, 1023, 0, 20); // Map the potentiometer value to PSI range (0-20)

  int progress = map(psi, 0, 20, 0, 108); // Map PSI value to progress bar width

  if (millis() - lastToggleTime > 500) { // Toggle every 500 milliseconds
    showMessage = !showMessage; // Toggle the visibility of the message
    lastToggleTime = millis(); // Update the last toggle time
  }

  // Control the LED based on PSI value
  if (psi > 16) {
    digitalWrite(ledPin, HIGH); // Turn the LED on
    delay(100); // Wait for 100ms
    digitalWrite(ledPin, LOW); // Turn the LED off
  }

  u8g.firstPage();
  do {
    // Display "WTF BRO!" or "Turbo Psi:" based on showMessage and PSI value
    if (psi >= 16 && showMessage) {
      u8g.drawStr(25, 60, "WTF BRO!"); // Display "WTF BRO!"
    } else {
      u8g.drawStr(25, 60, "Turbo Psi: "); // Display "Turbo Psi:"
      u8g.setPrintPos(100, 60);
      u8g.print(psi); // Display the PSI value
    }

    u8g.drawFrame(0, 20, 128, 20);
    u8g.drawBox(10, 25, progress, 10);

    // Draw scale and numbers
    for (int i = 0; i <= 20; i++) {
      int x = map(i, 0, 20, 10, 118);
      u8g.drawVLine(x, 15, 5);
      if (i % 5 == 0) {
        u8g.setPrintPos(x-4, 12);
        u8g.print(i);
      }
    }
  } while ( u8g.nextPage() );

  delay(100); // Add a delay for visual effect
}