#include <nan.h>
#include <node.h>

#include "scrypt_common.h"

//Scrypt is a C library and there needs c linkings
extern "C" {
  #include "keyderivation.h"
}

using namespace v8;

//Synchronous access to scrypt params
NAN_METHOD(kdfVerifySync) {
  //
  // Variable Declaration
  //
  const uint8_t* kdf_ptr = reinterpret_cast<uint8_t*>(node::Buffer::Data(info[0]));
  const uint8_t* key_ptr = reinterpret_cast<uint8_t*>(node::Buffer::Data(info[1]));
  const size_t key_size = node::Buffer::Length(info[1]);

  //
  // Scrypt KDF Verification
  //
  const unsigned int result = Verify(kdf_ptr, key_ptr, key_size);

  //
  // Return result (or error)
  //
  if (result && result != 11) { // 11 is the "error" code for an incorrect match
    Nan::ThrowError(NodeScrypt::ScryptError(result));
  }

  info.GetReturnValue().Set((!result) ? Nan::True() : Nan::False());
}