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

// Pin definitions
#define PIN            6        // Pin connected to NeoPixel data input
#define NUMPIXELS      1        // Number of NeoPixels (1 in this case)

// Potentiometer Pins
#define POT_RED_PIN    A0
#define POT_GREEN_PIN  A1
#define POT_BLUE_PIN   A2

// OLED Display settings
#define SCREEN_WIDTH   128
#define SCREEN_HEIGHT  64
#define OLED_RESET     -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

// NeoPixel object
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  // Start Serial Monitor for debugging
  Serial.begin(9600);
  
  // Initialize the NeoPixel strip
  strip.begin();
  strip.show();  // Initialize all pixels to 'off'

  // Initialize OLED
  if(!display.begin(SSD1306_PAGEADDR, OLED_RESET)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  display.display();  // Clear the buffer
  
  // Display initial text
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
}

void loop() {
  // Read potentiometer values
  int redValue = analogRead(POT_RED_PIN) / 4;    // Scale to 0-255
  int greenValue = analogRead(POT_GREEN_PIN) / 4;
  int blueValue = analogRead(POT_BLUE_PIN) / 4;
  
  // Set the color of the NeoPixel
  strip.setPixelColor(0, redValue, greenValue, blueValue);
  strip.show();  // Update the LED
  delay(1);
  int red = redValue;   // Red component
  int green = greenValue; // Green component
  int blue = blueValue;   // Blue component

  // Combine the RGB values into a single hex value
  unsigned long hexColor = ((unsigned long)red << 16) | ((unsigned long)green << 8) | blue;

  // Print the hex value to the Serial Monitor
  Serial.print("Hex Color: #");
  Serial.println(hexColor, HEX);

  
  // Display RGB values on OLED
  display.clearDisplay();
  display.setCursor(0, 0);
  display.print("R: ");
  display.print(redValue);
  display.setCursor(0, 10);
  display.print("G: ");
  display.print(greenValue);
  display.setCursor(0, 20);
  display.print("B: ");
  display.print(blueValue);
  
  display.display();  // Update OLED
  
  delay(50);  // Short delay for smoother updates
}