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#define ENCODER_OPTIMIZE_INTERRUPTS
#include <Encoder.h>

const int encPin1 = 7;     // Piedino pin 1 encoder
const int encPin2 = 8;     // Piedino pin 2 encoder
const int SpeedPin = 12;     // Piedino controllo velocita'
const int SpeedLedPin = 11;     // Piedino led controllo velocita'
const int MousePinLeft = 13;     // Piedino pulsante sinistra
const int MousePinCenter = 14;     // Piedino pulsante centrale
const int MousePinRight = 15;     // Piedino pulsante destra


const long debounceDelay = 150;    // Tempo per il Debounce (in millisecondi)
const int SpeedSlow = 2;       // Velocita' lenta
const int SpeedFast = 5;       // Velocita' rapida

int Speed = 0;
int buttonStateLeft = 0;
int buttonStateCenter = 0;
int buttonStateRight = 0;
long lastDebounceTime = 0;  

Encoder myEnc(encPin1, encPin2);
long encOldPosition  = -999;

void setup() {  
  pinMode(SpeedPin, INPUT_PULLUP);
  pinMode(MousePinLeft, INPUT_PULLUP);
  pinMode(MousePinCenter, INPUT_PULLUP);
  pinMode(MousePinRight, INPUT_PULLUP);
  pinMode(SpeedLedPin, OUTPUT);
}

void loop(){
Spinner();
}

void Spinner(){
  
  Mouse.set_buttons(0, 0, 0);

// Imposto la velocita'

  if(digitalRead(SpeedPin) == HIGH){
    Speed = SpeedSlow;
    digitalWrite(SpeedLedPin, LOW);
  }
  else {
    Speed = SpeedFast;
    digitalWrite(SpeedLedPin, HIGH);
  }

// Gestione Pulsanti Mouse

  buttonStateLeft = digitalRead(MousePinLeft);
  buttonStateCenter = digitalRead(MousePinCenter);
  buttonStateRight = digitalRead(MousePinRight);


  if((millis() - lastDebounceTime) > debounceDelay){
    if(buttonStateLeft == LOW && buttonStateCenter == LOW && buttonStateRight == LOW){
      Mouse.set_buttons(1, 1, 1);
      Mouse.set_buttons(0, 0, 0);
      lastDebounceTime = millis();
    }
    else if(buttonStateLeft == LOW && buttonStateCenter == LOW && buttonStateRight == HIGH){
      Mouse.set_buttons(1, 1, 0);
      Mouse.set_buttons(0, 0, 0);
      lastDebounceTime = millis();
    }
    else if(buttonStateLeft == LOW && buttonStateCenter == HIGH && buttonStateRight == LOW){
      Mouse.set_buttons(1, 0, 1);
      Mouse.set_buttons(0, 0, 0);
      lastDebounceTime = millis();
    }
    else if(buttonStateLeft == HIGH && buttonStateCenter == LOW && buttonStateRight == LOW){
      Mouse.set_buttons(0, 1, 1);
      Mouse.set_buttons(0, 0, 0);
      lastDebounceTime = millis();
    }
    else if(buttonStateLeft == LOW && buttonStateCenter == HIGH && buttonStateRight == HIGH){
      Mouse.set_buttons(1, 0, 0);
      Mouse.set_buttons(0, 0, 0);
      lastDebounceTime = millis();
    }
    else if(buttonStateLeft == HIGH && buttonStateCenter == LOW && buttonStateRight == HIGH){
      Mouse.set_buttons(0, 1, 0);
      Mouse.set_buttons(0, 0, 0);
      lastDebounceTime = millis();
    }
    else if(buttonStateLeft == HIGH && buttonStateCenter == HIGH && buttonStateRight == LOW){
      Mouse.set_buttons(0, 0, 1);
      Mouse.set_buttons(0, 0, 0);
      lastDebounceTime = millis();
    }
  }

// Gestione spostamento mouse asse x

 long encNewPosition = myEnc.read();
  if (encNewPosition != encOldPosition) {
    if (encNewPosition > encOldPosition){
        encOldPosition = encNewPosition;
        Mouse.move(-Speed, 0);
    }
    else {
        encOldPosition = encNewPosition;
        Mouse.move(Speed, 0);
    }
  }
}