// Made for RP2040
#include <SoftwareSerial.h>
#include <Adafruit_NeoPixel.h>

SoftwareSerial mySerial(D8, D9); // RX, TX

#define NEOPOWERPIN 11 // Provides voltage for the built-in NeoPixel
#define NEOPIXELPIN 12 // Datapin for the the built-in NeoPixel
#define NUMPIXELS 1 //Amount of NeoPixels

Adafruit_NeoPixel pixels(NUMPIXELS, NEOPIXELPIN, NEO_RGB + NEO_KHZ800);

const uint8_t my_address = 1; // Network address
const uint8_t control_address = 0; // Network address of the "host"
const char message_ending = '\n';

bool light_on = false;
uint32_t led_color = pixels.Color(255,255,255);
bool ignore_message = false;

void setup()
{
  pinMode(NEOPOWERPIN, OUTPUT); // initialize digital pin NEOPOWERPIN as an output.
  digitalWrite(NEOPOWERPIN, HIGH); // Power for the NeoPixel

  mySerial.begin(9600);
  //Serial.begin(9600); // for debugging

  pixels.begin();
}

// message: <recipient><sender><command>
void loop()
{
  if (mySerial.available()) {
    byte received = mySerial.read();
    //Serial.write(received);

    if (received == message_ending) {
      ignore_message = false;
      return;
    }
    if (ignore_message) {
      return;
    }

    if (received == my_address) {
      // There is a message for us
      while(!mySerial.available()){
        // Assume / hope the message will continue..
        delay(10);
      }
      if (mySerial.read() == control_address) {
        while(!mySerial.available()){
        // Assume / hope the message will continue..
          delay(10);
        }
        // And it's from the "host", now act on it:
        switch (mySerial.read()) {
          case 'o':
            light_on = true;
            break;
          case 'f':
            light_on = false;
            break;
          case 0:
            led_color = pixels.Color(100,100,100);
            break;
          case 1:
            led_color = pixels.Color(120,10,150);
            break;
          case 2:
            led_color = pixels.Color(155,100,10);
            break;
          case 3:
            led_color = pixels.Color(20,80,120);
            break;
          case 4:
            led_color = pixels.Color(100,90,120);
            break;
          case 5:
            led_color = pixels.Color(255,255,255);
            break;
          default:
            mySerial.println("Not correct command");
            break;
        }
        if (light_on) {
          pixels.clear();
          pixels.setPixelColor(0, led_color);
          pixels.show();
        } else {
          pixels.clear();
          pixels.show();
        }
      }
    } else {
      // The message is meant for someone else
      ignore_message = true;
    }
  }
}