Amazon Dash Replenishment Pens

#include <AmazonDRS.h>
#include <AmazonTokens.h>

#include <WiFi101.h>

#include "AmazonDRS.h"

AmazonDRS DRS = AmazonDRS();

//WiFi creds ----------------------------------------------------------------------------------
char ssid[] = "WiFi"; //  your network SSID (name)
char pass[] = "password";    // your network password (use for WPA, or use as key for WEP)
//------------------------------------------------------------------------------------------------------

#define slotNumber 1 //This will vary for multi slot devices - dash buttons typically only serve one product/slot

int y = 0;
int x = 0;

int input0 = 6; // pin for the first input
int input1 = 7; // pin for the second input
int input2 = 8; // pin for the third input
int input3 = 9; // pin for the fourth input
int input4 = 10;// pin for the fifth input

debouncing
static String slotStatus = "true"; //boolean which depicts if slot is available for replenishment
static String slotId = "abddw91c-cdd1-3asd-b937-bef481699f5d";     //unique slot id ex: 0a5038b7-7609-4b81-b87e-3e291f386324
int status = WL_IDLE_STATUS;

void setup() {
  Serial.begin(115200);

  pinMode(input0, INPUT); // set the first DI/DO as an input
  pinMode(input1, INPUT); // set the second DI/DO as an input
  pinMode(input2, INPUT); // set the third DI/DO as an input
  pinMode(input3, INPUT); // set the fourth DI/DO as an input
  pinMode(input4, INPUT); // set the fifth DI/DO as an input
  
   #ifdef ESP8266 
   WiFiClientSecure client;
   #else
   WiFiSSLClient client;
   #endif
   //Start up DRS
   DRS.begin(&client);

  //connect to WiFi
  Serial.println("Initializing DRS... connecting to WiFi");
  while (status != WL_CONNECTED) {
    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
    status = WiFi.begin(ssid, pass);
    Serial.println(".");
    delay(3000);
    status = WiFi.status();
    
  }

  Serial.print("Connected to ");
  Serial.println(WiFi.SSID());

  //initialize slots
  DRS.retrieveSubscriptionInfo();  //check slot statuses

  slotStatus = DRS.getSlotStatus(slotNumber);
  slotId = DRS.getSlotId(slotNumber);
}

void loop() {

  //Check for button push on the arduino dash button
  //if the slot status is true proceed to request replenishment for the associated slot

  // wait a second
  delay(1000);
  // set x to be the sum of all of the inputs
  x = convertDigitalRead(input0) + convertDigitalRead(input1) + convertDigitalRead(input2) + convertDigitalRead(input3) + convertDigitalRead(input4);

  // print the value of x so that we know how many inputs are triggered
  Serial.println(x);
  
  // if the sum of the triggered inputs are less than 3 and if y is equal to 0 then
  if ((x < 3) && (y == 0))
  {
    // set y to be 1 which stands in as the current state (I don't want multiple orders if the pens aren't replaced)
    y = 1;
    
    // print that the switch was triggered
    Serial.println("Switch was triggered");
       //Check if slot is available, if so replenish

        if(slotStatus == "true")   //if the product in slot are available
        {
            //we have a match! replenish the products associated with that slot!
            DRS.requestReplenishmentForSlot(slotId);
        }
        else
        {
          Serial.print("Sorry, slot ");
          Serial.print(slotId);
          Serial.println(" is not available at this time");
        }
  }
  else if ((x > 3) && (y = 1))  // if y = 1 (I've already ordered one and I'm waiting for a replacement) and x is greater than 3, this means that the pens have been replaced and I can wait to order another replacement
  {
    // set y to zero to reset the replacement state.
    y = 0;
  }

}

// set a function called convertDigitalRead that takes in an integer and outputs an integer
int convertDigitalRead(int in)
{
  // the limit switch is normally closed so if it's low then I want to return a 1
  if (digitalRead(in) == LOW)
  {
    return 1;
  }
  // if the limit switch is closed then return a 0
  else
  {
    return 0;
  }
}