/*
 * Created by ArduinoGetStarted.com
 *
 * This example code is in the public domain
 *
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-button-toggle-led
 */

#include <ezButton.h>
#include <Print.h>
#include <SPI.h>
#include <EEPROM.h>

const int SHORT_PRESS_TIME = 500; // 1000 milliseconds
const int LONG_PRESS_TIME  = 1000; // 1000 milliseconds


unsigned long pressedTime  = 0;
unsigned long releasedTime = 0;
bool isPressing = false;
bool isLongDetected = false;

/// constants won't change
const int BUTTON_PIN = 7; // the number of the pushbutton pin
const int LED_PIN    = 3; // the number of the LED pin

ezButton button(BUTTON_PIN);  // create ezButton object that attach to pin 7;

// variables will change:
int ledState = LOW;   // the current state of LED

void setup() {
  Serial.begin(9600);         // initialize serial
  pinMode(LED_PIN, OUTPUT);   // set arduino pin to output mode
  button.setDebounceTime(50); // set debounce time to 50 milliseconds
}

void loop() {
  button.loop(); // MUST call the loop() function first

//if(button.isPressed()) {
//  Serial.println("The button is pressed");
//
//    // toggle state of LED
//    ledState = !ledState;
//
//    // control LED arccoding to the toggleed sate
//    digitalWrite(LED_PIN, ledState); 
//  }


  if(button.isPressed()){
    pressedTime = millis();
    isPressing = true;
    isLongDetected = false;
  }

   if(button.isReleased()) {
     isPressing = false;
     releasedTime = millis();

     long pressDuration = releasedTime - pressedTime;

     if( pressDuration < SHORT_PRESS_TIME )
       Serial.println("A short press is detected");
   }

  if(isPressing == true && isLongDetected == false) {
    long pressDuration = millis() - pressedTime;

    if( pressDuration > LONG_PRESS_TIME ) {
      Serial.println("A long press is detected");

      ledState = !ledState;
      digitalWrite(LED_PIN, ledState); 

      isLongDetected = true;
    }
  }

}