#include <Adafruit_NeoPixel.h>

#define LED_PIN 2
#define NUM_LEDS 1

Adafruit_NeoPixel strip(NUM_LEDS, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  Serial.begin(115200);
  strip.begin();
  strip.show(); // Initialize LED to 'off'
  Serial.println("Ready. Send color name (e.g., red, green, blue).");
}

void loop() {
  if (Serial.available()) {
    String input = Serial.readStringUntil('\n');
    input.trim();
    uint32_t color = parseColor(input);
    strip.setPixelColor(0, color);
    strip.show();
    Serial.print("LED set to ");
    Serial.println(input);
  }
}

uint32_t parseColor(String color) {
  color.toLowerCase();
  if (color == "red") return strip.Color(255, 0, 0);
  if (color == "green") return strip.Color(0, 255, 0);
  if (color == "blue") return strip.Color(0, 0, 255);
  if (color == "yellow") return strip.Color(255, 255, 0);
  if (color == "cyan") return strip.Color(0, 255, 255);
  if (color == "magenta") return strip.Color(255, 0, 255);
  if (color == "white") return strip.Color(255, 255, 255);
  if (color == "off") return strip.Color(0, 0, 0);
  return strip.Color(0, 0, 0); // Default to 'off'
}