#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);//crear un objeto lcd (DIRECCIÓN pantalla, Tamaño x, Tamño y)

//ENCODER ROTARY-------------------------

#include "AiEsp32RotaryEncoder.h"
#include "Arduino.h"

#define ROTARY_ENCODER_A_PIN 23
#define ROTARY_ENCODER_B_PIN 22
#define ROTARY_ENCODER_BUTTON_PIN 1
#define ROTARY_ENCODER_VCC_PIN -1
#define ROTARY_ENCODER_STEPS 4

//instead of changing here, rather change numbers above
AiEsp32RotaryEncoder rotaryEncoder = AiEsp32RotaryEncoder(ROTARY_ENCODER_A_PIN, ROTARY_ENCODER_B_PIN, ROTARY_ENCODER_BUTTON_PIN, ROTARY_ENCODER_VCC_PIN, ROTARY_ENCODER_STEPS);
int buzzer=13;
void rotary_onButtonClick()
{
    static unsigned long lastTimePressed = 0; // Soft debouncing
    if (millis() - lastTimePressed < 500)
    {
            return;
    }
    lastTimePressed = millis();
    Serial.print("button pressed ");
    Serial.print(millis());
    Serial.println(" milliseconds after restart");
}

void rotary_loop()
{
    //dont print anything unless value changed
    if (rotaryEncoder.encoderChanged())
    {
         tone(buzzer,2000,10);
            Serial.print("Value: ");
            Serial.println(rotaryEncoder.readEncoder());
    }
    if (rotaryEncoder.isEncoderButtonClicked())
    {
            rotary_onButtonClick();
    }
}

void IRAM_ATTR readEncoderISR()
{
    rotaryEncoder.readEncoder_ISR();
}
void setup() {

pinMode(buzzer, OUTPUT);



  lcd.init();//inicializar la pantalla lcd
  lcd.backlight();//Encender la luz de fondo

  lcd.setCursor (0, 0);//poner el cursor en las coordenadas (x,y)
  lcd.print(" ya casi jett");//muestra en la pantalla max 20 caracteres
  lcd.setCursor (0, 1);//poner el cursor en las coordenadas (x,y)
  lcd.print("cuidado con los ojos");//muestra en la pantalla max 20 caracteres
  

//encoder--------------------
Serial.begin(115200);

    //we must initialize rotary encoder
    rotaryEncoder.begin();
    rotaryEncoder.setup(readEncoderISR);
    //set boundaries and if values should cycle or not
    //in this example we will set possible values between 0 and 1000;
    bool circleValues = false;
    rotaryEncoder.setBoundaries(0, 1000, circleValues); //minValue, maxValue, circleValues true|false (when max go to min and vice versa)

    /*Rotary acceleration introduced 25.2.2021.
   * in case range to select is huge, for example - select a value between 0 and 1000 and we want 785
   * without accelerateion you need long time to get to that number
   * Using acceleration, faster you turn, faster will the value raise.
   * For fine tuning slow down.
   */
    //rotaryEncoder.disableAcceleration(); //acceleration is now enabled by default - disable if you dont need it
    rotaryEncoder.setAcceleration(250);



}

void loop() {
  lcd.setCursor (0, 3);//poner el cursor en las coordenadas (x,y)
  lcd.print("Tiempo activo:");//muestra en la pantalla max 20 caracteres
  //La funcion millis() regresa los ms que lleva encendido
  //Lo dividimos entre 1000 para que nos muestre en segundos.
  lcd.print(millis()/1000);
  lcd.print("s");
  delay(1000);//Esperamos 1 segundo antes de repetir el loop



  //encoder rotary--------------------


  //in loop call your custom function which will process rotary encoder values
    rotary_loop();
    delay(50);


}