#include "magx_keyGenerator.h"
#include "magx_UnitComposer.h"
#include "magx_Encryptor.h"
#include "math.h"

String MeterID="24217303072";
String s_unit;
float units=0;
String plainText="";
String cipherText="";

void setup() {
Serial.begin(9600);


}

void loop() {
  Enc_method();
  
  
}
String keyArray[3];
void Enc_method(){
  int key=random(1,9999);
  Serial.println(key);
  Serial.println(F("Enter Amount of Units prescribed"));
  float amt=Input().toFloat();
   units=amt;
   Serial.println(units);
   String s_unit=unitComposer(units);
   Serial.print(" compose units :");
  Serial.println(s_unit);
   String formattedKey=keyComposer(key);
  Serial.print(" s_key:");
  Serial.println(formattedKey);
   plainText=MeterID+s_unit;
   Serial.print(" plaintext:");
 Serial.println( plainText);
 Serial.println("--------------");


  // for 3DES 
       // 3DES KEYS
  for (int i=0;i<3;i++){
    keyArray[i]=keyGenerated(key);
    key=keyArray[i].substring(0,4).toInt();
    Serial.print(keyArray[i]);
    Serial.print("\n");
  }
  Serial.println("--------------");
  
  cipherText=TripleDES_Encryption(plainText);
    
  Serial.print(F("Encrypted text is : "));
  Serial.println(cipherText+formattedKey);
  
  
}
String TripleDES_Encryption(String plain){
    return processDES(processDES(processDES(plain,keyArray[0],false),keyArray[1],true),keyArray[2],false);
}