/*
 * Created by ArduinoGetStarted.com
 *
 * This example code is in the public domain
  
 * This ESP32 code is created by esp32io.com
 *
 * This ESP32 code is released in the public domain
 *
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-blink-multiple-led
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-button-long-press-short-press
 *
 * For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-button-long-press-short-press
 * For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-serial-monitor

   Tutorial page: https://arduinogetstarted.com/library/led/example/arduino-led-blink-number-of-times
     + blink LED 10 times and then off
     + without using delay() function. This is a non-blocking example

  https://github.com/RalphBacon/224-Superior-Serial.print-statements/tree/main
*/

#define DEBUG 0

#if DEBUG == 1
#define debug(x) Serial.print(x)
#define debugln(x) Serial.println(x)
#else
#define debug(x)
#define debugln(x)
#endif

#include <ezButton.h>
#include <ezLED.h> // ezLED library by ArduinoGetStarted.com

#define SHORT_PRESS_TIME 1000 // 1000 milliseconds
#define LONG_PRESS_TIME  1000 // 1000 milliseconds

#define NUM_LED 10

#define Led_Status_Pin 32
#define Button_ONOFF_Pin 12
#define Buzzer_Pin 15

unsigned long pressedTime  = 0;
unsigned long releasedTime = 0;
bool isPressing     = false;
bool isLongDetected = false;
long pressDuration = 0;
int BarGraph_Level = 0;
int Etat_BarGraph = 0;

#define PIN_LED_1 19 // The Arduino pin connected to LED 1  //OK
#define PIN_LED_2 21 // The Arduino pin connected to LED 2  //OK
#define PIN_LED_3 22 // The Arduino pin connected to LED 3  //OK
#define PIN_LED_4 2 // The Arduino pin connected to LED 3   //OK
#define PIN_LED_5 23 // The Arduino pin connected to LED 3  //OK
#define PIN_LED_6 4 // The Arduino pin connected to LED 3   //OK
#define PIN_LED_7 16 // The Arduino pin connected to LED 1  //OK
#define PIN_LED_8 17 // The Arduino pin connected to LED 2  //OK
#define PIN_LED_9 13 // The Arduino pin connected to LED 3  //OK
#define PIN_LED_10 18 // The Arduino pin connected to LED 3 //OK

ezButton Button_ONOFF(Button_ONOFF_Pin); // create ezButton object that attach to pin GPIO21
ezLED Led_Status(Led_Status_Pin);  // create a LED object that attach to pin 9
bool Cmd_Rel_Batt = 0;
int Mask_Cmd_Rel_Batt = 32;
int Cmd_Rel_Batt_Masked = 0;

ezLED ledArray[NUM_LED] =
  {
  ezLED(PIN_LED_1),  // create ezLED object that attach to pin PIN_LED_1
  ezLED(PIN_LED_2),  // create ezLED object that attach to pin PIN_LED_2
  ezLED(PIN_LED_3),  // create ezLED object that attach to pin PIN_LED_3
  ezLED(PIN_LED_4),  // create ezLED object that attach to pin PIN_LED_1
  ezLED(PIN_LED_5),  // create ezLED object that attach to pin PIN_LED_2
  ezLED(PIN_LED_6),  // create ezLED object that attach to pin PIN_LED_3
  ezLED(PIN_LED_7),  // create ezLED object that attach to pin PIN_LED_1
  ezLED(PIN_LED_8),  // create ezLED object that attach to pin PIN_LED_2
  ezLED(PIN_LED_9),  // create ezLED object that attach to pin PIN_LED_3
  ezLED(PIN_LED_10), // create ezLED object that attach to pin PIN_LED_2
  };

void F_On()
{
  debugln(" => Turn LED ON");
  Cmd_Rel_Batt = 1;
  FCalcul_Cmde();
  FBuzz_On();
  Led_Status.blink(250, 750);         // 250ms ON, 750ms OFF, blink immediately
}

void F_Off()
{
  debugln(" => Turn LED OFF");
  Cmd_Rel_Batt = 0;
  FCalcul_Cmde();
  FBuzz_Off();
  Led_Status.cancel();
}

void F_Nack()
{
  FBuzz_Nack();
  Led_Status.blinkNumberOfTimes(50, 120, 3); // 250ms ON, 750ms OFF, repeat 3 times, blink immediately
}

void FSerial()
{
  if (Serial.available())
   {
     // if there is data comming
    String Serial_Command = Serial.readStringUntil('\n'); // read string until newline character
    
    if (Serial_Command == "ON")
      {
      debug("echo: ");
      debug(Serial_Command);
      F_On();
      }

    else if (Serial_Command == "OFF")
      {
      debug("echo: ");
      debug(Serial_Command);
      F_Off();
      }

    else
      {
      debugln("Serial_Commandes: ON/OFF");
      F_Nack();
      }
   }
}

void FCalcul_Cmde()
{
    debugln(Cmd_Rel_Batt);
    Cmd_Rel_Batt_Masked = Cmd_Rel_Batt * Mask_Cmd_Rel_Batt;
    debugln(Cmd_Rel_Batt_Masked);
}

void FBuzz_On()
{
  tone(Buzzer_Pin, 150);  
  delay (80);
  noTone(Buzzer_Pin);   
}

void FBuzz_Off()
{
  tone(Buzzer_Pin, 100);  
  delay (120);
  noTone(Buzzer_Pin);   
}

void FBuzz_Nack()
{
  tone(Buzzer_Pin, 200);  
  delay (40);
  noTone(Buzzer_Pin);   
  delay (100);
  tone(Buzzer_Pin, 200);  
  delay (40);
  noTone(Buzzer_Pin);
}
void Cligno_BarGraph()
{
  for (int i = 0; i < NUM_LED; i++)
    ledArray[i].blinkNumberOfTimes(200, 200, 3);

  /*ledArray[0].blinkNumberOfTimes(200, 200, 3);
  ledArray[1].blinkNumberOfTimes(200, 200, 3);
  ledArray[2].blinkNumberOfTimes(200, 200, 3);
  ledArray[3].blinkNumberOfTimes(200, 200, 3);
  ledArray[4].blinkNumberOfTimes(200, 200, 3);
  ledArray[5].blinkNumberOfTimes(200, 200, 3);
  ledArray[6].blinkNumberOfTimes(200, 200, 3);
  ledArray[7].blinkNumberOfTimes(200, 200, 3);
  ledArray[8].blinkNumberOfTimes(200, 200, 3);
  ledArray[9].blinkNumberOfTimes(200, 200, 3);*/
}

void Test_Voyants()
  {
  Cligno_BarGraph();
  }

void Confirmation_Voyants()
  {
  Cligno_BarGraph();
  }

void FButton_ONOFF()
  {
  if (Button_ONOFF.isPressed())
    {
    pressedTime = millis();
    isPressing = true;
    isLongDetected = false;
    }

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

    pressDuration = releasedTime - pressedTime;
    
    Etat_BarGraph = ledArray[0].getState();
    debug("Etat_BarGraph=");
    debugln(Etat_BarGraph);

    if (Etat_BarGraph == 3)
      {
      Confirmation_Voyants();
      }
    else
      {
      for (int i = 0; i < NUM_LED; i++)
        {
        ledArray[i].turnOFF(400);
        }
      }

    if ( pressDuration < SHORT_PRESS_TIME )
      {
      debugln("A short press is detected");
      debug(Etat_BarGraph);

      for (int i = 0; i < NUM_LED; i++)
        {
        ledArray[i].turnOFF(400);
        }

      if(Cmd_Rel_Batt == 0)
          {
            F_Nack();
          }
      else if(Cmd_Rel_Batt == 1)
          {
            F_Off();
          }  
      }
    }

  if (isPressing == true && isLongDetected == false)
    {
    pressDuration = millis() - pressedTime;
    debug(pressDuration);
    //Serial.println(pressDuration);

    BarGraph_Level = map(pressDuration, 0, 1001, 0, NUM_LED);

    debug(pressDuration);
    debug("          BarGraph_Level= ");
    debugln(BarGraph_Level);
    /*Serial.println("          BarGraph_Level= ");
    Serial.println(BarGraph_Level);*/

                                      // loop over the LED array:
    for (int thisLed = 0; thisLed < NUM_LED; thisLed++)
      {
                                      // if the array element's index is less than BarGraph_Level,
                                      // turn the pin for this element on:
      if (thisLed < BarGraph_Level)
        {
        ledArray[thisLed].turnON();
        }
                                      // turn off all pins higher than the BarGraph_Level:
      else
        {
        ledArray[thisLed].turnOFF();
        }
      }

    if ( pressDuration > LONG_PRESS_TIME )
      {
      debugln("A long press is detected");
      isLongDetected = true;
      
      F_On();
            
      Confirmation_Voyants();
      debug(ledArray[0].getState());
      }
    }
  }

void setup()
{
  Serial.begin(115200);
  debugln("Debugging is enabled.\n");
  debugln("Serial_Commandes: ON/OFF");

  Button_ONOFF.setDebounceTime(50); // set debounce time to 50 milliseconds
  
  Test_Voyants();

  pinMode(Buzzer_Pin, OUTPUT);
}

void loop()
{
  //initialisation
  Button_ONOFF.loop();              // MUST call the loop() function first
  Led_Status.loop();                // MUST call the Led_Status.loop() function in loop()
  
  for (int i = 0; i < NUM_LED; i++)
    ledArray[i].loop();             // MUST call the led.loop() function in loop()

  FSerial();

  FButton_ONOFF();
}