#define BLYNK_TEMPLATE_ID "TMPL4n2YiDxo3"
#define BLYNK_TEMPLATE_NAME "Multiplication Glove"
#define BLYNK_AUTH_TOKEN "COeg84wDisGcS88rlmMLiXIe4O1p0-Rx"

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

#include <Arduino.h>
#include <Adafruit_NeoPixel.h>
#include <math.h>

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

#define PINKY 27
#define RING 26
#define MIDDLE 25
#define INDEX 33
#define THUMB 32
#define NUM_PIXELS 5   // The number of LEDs (pixels) on WS2812C LED strip

char auth[] = BLYNK_AUTH_TOKEN;

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

int input1, input2;

Adafruit_NeoPixel pinkyFinger(NUM_PIXELS, PINKY, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel ringFinger(NUM_PIXELS, RING, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel middleFinger(NUM_PIXELS, MIDDLE, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel indexFinger(NUM_PIXELS, INDEX, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel thumbFinger(NUM_PIXELS, THUMB, NEO_GRB + NEO_KHZ800);
struct Adafruit_NeoPixel ledstrip[5] = { pinkyFinger, ringFinger, middleFinger, indexFinger, thumbFinger };

BLYNK_WRITE(V0)
{
  input1 = param.asInt();
}

BLYNK_WRITE(V1)
{
  input2 = param.asInt();
}

void setup() {

  // Debug console
  Serial.begin(115200);

  pinMode (PINKY, OUTPUT);
  pinMode (RING, OUTPUT);
  pinMode (MIDDLE, OUTPUT);
  pinMode (INDEX, OUTPUT);
  pinMode (THUMB, OUTPUT);
  pinkyFinger.begin();  // initialize WS2812C strip object (REQUIRED)
  ringFinger.begin();  // initialize WS2812C strip object (REQUIRED)
  middleFinger.begin();  // initialize WS2812C strip object (REQUIRED)
  indexFinger.begin();  // initialize WS2812C strip object (REQUIRED)
  thumbFinger.begin();  // initialize WS2812C strip object (REQUIRED)

  Blynk.begin(auth, ssid, pass);

  Blynk.syncVirtual(V0, V1);
}

void loop() {

  Blynk.run();

  pinkyFinger.clear();  // set all pixel colors to 'off'. It only takes effect if pixels.show() is called
  ringFinger.clear();  // set all pixel colors to 'off'. It only takes effect if pixels.show() is called
  middleFinger.clear();  // set all pixel colors to 'off'. It only takes effect if pixels.show() is called
  indexFinger.clear();  // set all pixel colors to 'off'. It only takes effect if pixels.show() is called
  thumbFinger.clear();  // set all pixel colors to 'off'. It only takes effect if pixels.show() is called

  int x, y;

  // multiplication of small numbers
  while (input1 <= 5 || input2 <= 5) {
    if (input1 <= input2) {
      x = input2;
      y = input1;
    } else {
      x = input1;
      y = input2;
    }

    if (x > 5) {
      x = 5;
    }
    if (y > 5) {
      y = 5;
    }
    
    for (int i = 4; i >= x; i--) {
      ledstrip[i].clear();
      ledstrip[i].show();                                     // update to the WS2812C Led Strip
    }

    for (int i = 0; i < x; i++) {
      for (int j = 0; j <= 4-y; j++) {
        ledstrip[i].setPixelColor(j, ledstrip[i].Color(0, 0, 0)); // it only takes effect if pixels.show() is called
        ledstrip[i].show();       
      }
    }

    for (int i = 0; i < x; i++) {
      for (int j = 0; j < y; j++) {
        ledstrip[i].setPixelColor(4-j, ledstrip[i].Color(0, 255, 0)); // it only takes effect if pixels.show() is called
        ledstrip[i].show();                                     // update to the WS2812C Led Strip
        delay(100);  // 500ms pause between each pixel
      }
    }
    Blynk.syncVirtual(V0, V1);
  }

  for (int i = 0; i <= 4; i++) {
      ledstrip[i].clear();
      ledstrip[i].show();                                     // update to the WS2812C Led Strip
  }

  //multiplication of big numbers
  while (input1 > 5 && input2 > 5) {
    for (int i = 4; i >= 10 - input1; i--) {
      ledstrip[i].setPixelColor(4, ledstrip[i].Color(255, 0, 0)); // it only takes effect if pixels.show() is called
      ledstrip[i].show();                                     // update to the WS2812C Led Strip
      delay(100);  // 500ms pause between each pixel
    }
    for (int i = 0; i < 10 - input1; i++) {
      ledstrip[i].setPixelColor(4, ledstrip[i].Color(0, 0, 255)); // it only takes effect if pixels.show() is called
      ledstrip[i].show();                                     // update to the WS2812C Led Strip
      delay(100);  // 500ms pause between each pixel
    }
    Blynk.syncVirtual(V0, V1);
  }
}