/*************************************************************

  This is a simple demo of sending and receiving some data.
  Be sure to check out other examples!
 *************************************************************/

/* Fill-in information from Blynk Device Info here */
#define BLYNK_TEMPLATE_ID "TMPL21qgBEpSz"
#define BLYNK_TEMPLATE_NAME "IoT LED"
#define BLYNK_AUTH_TOKEN "MrmNT3ptzG2D4hu4MlDiiY4__xzYowuQ"

/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer; // BLYNK TIMER INITIALIZATION...




/* ======= PUSH BUTTON DEFINITION ======= */
#define BUTTON_PIN 13  // GIOP21 pin connected to button

// Variables will change:
int lastState = HIGH;  // the previous state from the input pin
int currentState;     // the current reading from the input pin

int virtual_State1 = 1; // Initial state of Blynk Virtual Pin
int virtual_State2;

/* ---------------------------------------*/



// This function is called every time the Virtual Pin 0 state changes
BLYNK_WRITE(V0) // This function sends data from Blynk to the Device
{
  // Set incoming value from pin V0 to a variable
  int value = param.asInt();

  /* === THE DEVICE SENDS DATA TO BLYNK with (Blynk.virtualWrite) === */
  // Update state with data from the device... 
  //Blynk.virtualWrite(V1, value); // This state data for V1 (Switch Value)

  Serial.println(value);
  Serial.println("The button is pressed");

  // For the LED
  digitalWrite(5, HIGH);
  delay(500);
  digitalWrite(5, LOW);
  delay(500);
}

// This function is called every time the device is connected to the Blynk.Cloud
BLYNK_CONNECTED()
{
  // Change Web Link Button message to "Congratulations!"
  Blynk.setProperty(V3, "offImageUrl", "https://static-image.nyc3.cdn.digitaloceanspaces.com/general/fte/congratulations.png");
  Blynk.setProperty(V3, "onImageUrl",  "https://static-image.nyc3.cdn.digitaloceanspaces.com/general/fte/congratulations_pressed.png");
  Blynk.setProperty(V3, "url", "https://docs.blynk.io/en/getting-started/what-do-i-need-to-blynk/how-quickstart-device-was-made");
}

// This function sends Arduino's uptime every second to Virtual Pin 2.
void myTimerEvent()
{
  // You can send any value at any time.
  // Please don't send more that 10 values per second.
  //Blynk.virtualWrite(V2, millis() / 1000);
}






/* ============================ SETUP CODE ============================ */ 
void setup()
{
  // Debug console
  Serial.begin(115200);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  // You can also specify server:
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, IPAddress(192,168,1,100), 8080);

  // Setup a function to be called every second
  timer.setInterval(1000L, myTimerEvent);


  /* ======= PUSH BUTTON SETUP CODE ======= */
  // initialize the pushbutton pin as an pull-down input
  // the pull-up input pin will be LOW when the switch is open and HIGH when the switch is closed.
  pinMode(BUTTON_PIN, INPUT_PULLDOWN);

  // Set another Pin as an OUTPUT so that it can be used by the Blynk button
  pinMode(12, OUTPUT);

  // Set another Pin as an OUTPUT so that it can be used by the Blynk button
  pinMode(5, OUTPUT);

}




/* =========================== LOOP CODE ============================== */ 
void loop()
{
  Blynk.run();
  timer.run();
  // You can inject your own code or combine it with other sketches.
  // Check other examples on how to communicate with Blynk. Remember
  // to avoid delay() function!


  /* ========= PUSH BUTTON CODE ========= */
  // For the Push-Button
  // read the state of the switch/button:
  int buttonState = digitalRead(BUTTON_PIN);
  // Update state with data from the device... 
  // Blynk.virtualWrite(V0, buttonState);

  // print out the button's state
  Serial.println(buttonState);

  // A state check
  if (buttonState == 1){
    Serial.println("The button is pressed");

    // Update state with data from the device... 
    //Blynk.virtualWrite(V1, buttonState);


    digitalWrite(12, HIGH);
  }
  else{

    digitalWrite(12, LOW);
  }
}