//[email protected]

const int button = 2;
const int led1 = 12; 
const int led2 = 11;
const int led3 = 10;

unsigned long time1 ;            //couter to check
unsigned long time2 ;            //counter to check
unsigned long time3 ;            //time1 - time2
unsigned long time4 = 250;       //click check maximum for click, minimum for long click
unsigned long time5 = 1000;      //click check maximum for long click
unsigned long time6 = 1000;      //click check duration

int mode = 0; 
int buttonpressed = LOW;
int clickedcount = 0;
int longclickedcount = 0;
int alreadypressed = LOW;
int alreadyreleased = HIGH;
int alreadyaddedaclick = LOW;
int alreadyaddedalongclick = LOW;

void setup() {
  pinMode(button, INPUT_PULLUP);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  buttonpressed = digitalRead(button);
 //Serial.println(buttonpressed);

  if (buttonpressed == LOW && alreadypressed == LOW) {         //pressed
    time1 = millis();                                          // save time 1 when pressed
    alreadyreleased = LOW;
    alreadypressed = HIGH;
    delay(50);                                                 // keep this delay for stability
  }

  if (buttonpressed == HIGH && alreadyreleased == LOW){         //released
    time2 = millis();
    alreadyaddedaclick = LOW;
    alreadyaddedalongclick = LOW;
    alreadyreleased = HIGH;
    alreadypressed = LOW;
    delay(50);                                                  // keep this delay for stability
  }

  time3 = time2 - time1; // DEFINITION OF time3 - DONT CHANGE THIS

  if (time3 >= 0 && time3 <= time4 && time1 !=0){               //check the click in range
    if (alreadyaddedaclick == LOW){
      clickedcount = clickedcount + 1;                          //add one to click
      alreadyaddedaclick = HIGH;
      Serial.print("clickedcount: ");
      Serial.println(clickedcount);
    }
  }

  if (time3 >= time4 && time3 <= time5){                        //check the click in range
    if (alreadyaddedalongclick == LOW){
      longclickedcount = longclickedcount + 1;                  //add one to long click
      alreadyaddedalongclick = HIGH;
      Serial.print("longclickedcount: ");
      Serial.println(longclickedcount);
    }
  }

  if (clickedcount == 0){                                       //set the mode according to click count
    mode = 0;
  }
  if (clickedcount == 1){
    mode = 1;
  }
  if (clickedcount == 2){
    mode = 2;
  }
  if (clickedcount == 3){
    mode = 3;
  }
  if (clickedcount == 4){
    mode = 4;
  }
  if (clickedcount == 5){
    mode = 5;
  }
  if (clickedcount == 6){
    mode = 6;
  }
    if (clickedcount == 7 || clickedcount >= 7){
    Serial.println("too many clicks there buddy ^^,");
    mode = 0;
  }
  if (longclickedcount == 1){
    mode = 7;
  }
  if (longclickedcount == 2){
    mode = 8;
  }

  if (millis() - time2 >= time6){                         // Wait for time to expire before executing mode

    if (mode == 1){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    Serial.println("mode: 1");
    mode = 0;
    }

    if (mode == 2){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, LOW);
    Serial.println("mode: 2");
    mode = 0;
    }

    if (mode == 3){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, HIGH);
    Serial.println("mode: 3");
    mode = 0;
    }

    if (mode == 4){
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, HIGH);
    Serial.println("mode: 4");
    mode = 0;
    }

    if (mode == 5){
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    Serial.println("mode 5");
    mode = 0;
    }

    if (mode == 6){
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    Serial.println("mode 6");
    mode = 0;
    }

    if (mode == 7){
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led1, HIGH);
    delay(200);
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    delay(200);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    delay(200);
    digitalWrite(led3, LOW);
    Serial.println("mode 7");
    mode = 0;
    }

    if (mode == 8){
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led3, HIGH);
    delay(200);
    digitalWrite(led3, LOW);
    digitalWrite(led2, HIGH);
    delay(200);
    digitalWrite(led2, LOW);
    digitalWrite(led1, HIGH);
    delay(200);
    digitalWrite(led1, LOW);
    Serial.println("mode 8");
    mode = 0;
    }

    longclickedcount = 0;
    clickedcount = 0;
  }
}