#include <Encoder.h>                        // https://www.pjrc.com/teensy/td_libs_Encoder.html
#include <Toggle.h>                         // https://github.com/Dlloydev/Toggle

const byte encoderCLKPin = 6;
const byte encoderDTPin  = 3;
Encoder encoder(encoderDTPin, encoderCLKPin);
long encoderPosition;

class Buttons {
  public:
  const char * name;
  const byte pin;
  Toggle button;

  Buttons(const char *n, const byte p)  : name(n), pin(p), button(p) {};
};

Buttons buttons[] = {{"green", 2}, {"white", 5}, {"yellow", 11}, {"blue", 7}, {"red", 8}};

bool encoderChanged() {
  long newPos = encoder.read() >> 2;   //  4 ticks par click, divide by 4
  if (newPos != encoderPosition) {
    encoderPosition = newPos;
    return true;
  }
  return false;
}

void setup() {
  for (Buttons& b : buttons) b.button.begin(b.pin);
  Serial.begin(115200);
}

void loop() {
  if (encoderChanged()) Serial.println(-encoderPosition); // negative as it turns the "wrong" way
  for (Buttons& b : buttons) {
    b.button.poll();
    if (b.button.onPress()) {
      Serial.print(b.name);
      Serial.println(" pressed");
    }
    if (b.button.onRelease()) {
      Serial.print(b.name);
      Serial.println(" released");
    }
  }
}