/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsWifiAccessPoint.h"

#include "nsString.h"

#include "nsMemory.h"

#include "mozilla/Logging.h"

extern mozilla::LazyLogModule gWifiMonitorLog;

#define LOG(args)     MOZ_LOG(gWifiMonitorLog, mozilla::LogLevel::Debug, args)

NS_IMPL_ISUPPORTS(nsWifiAccessPoint, nsIWifiAccessPoint)

nsWifiAccessPoint::nsWifiAccessPoint()

{

  // make sure these are null terminated (because we are paranoid)

  mMac[0] = '\0';

  mSsid[0] = '\0';

  mSsidLen = 0;

  mSignal = -1000;

}

NS_IMETHODIMP nsWifiAccessPoint::GetMac(nsACString& aMac)

{

  aMac.Assign(mMac);

  return NS_OK;

}

NS_IMETHODIMP nsWifiAccessPoint::GetSsid(nsAString& aSsid)

{

  // just assign and embedded nulls will truncate resulting

  // in a displayable string.

  aSsid.AssignASCII(mSsid);

  return NS_OK;

}

NS_IMETHODIMP nsWifiAccessPoint::GetRawSSID(nsACString& aRawSsid)

{

  aRawSsid.Assign(mSsid, mSsidLen); // SSIDs are 32 chars long

  return NS_OK;

}

NS_IMETHODIMP nsWifiAccessPoint::GetSignal(int32_t *aSignal)

{

  NS_ENSURE_ARG(aSignal);

  *aSignal = mSignal;

  return NS_OK;

}

// Helper functions:

bool AccessPointsEqual(nsCOMArray<nsWifiAccessPoint>& a, nsCOMArray<nsWifiAccessPoint>& b)

{

  if (a.Count() != b.Count()) {

    LOG(("AccessPoint lists have different lengths\n"));

    return false;

  }

  for (int32_t i = 0; i < a.Count(); i++) {

    LOG(("++ Looking for %s\n", a[i]->mSsid));

    bool found = false;

    for (int32_t j = 0; j < b.Count(); j++) {

      LOG(("   %s->%s | %s->%s\n", a[i]->mSsid, b[j]->mSsid, a[i]->mMac, b[j]->mMac));

      if (!strcmp(a[i]->mSsid, b[j]->mSsid) &&

          !strcmp(a[i]->mMac, b[j]->mMac) &&

          a[i]->mSignal == b[j]->mSignal) {

        found = true;

      }

    }

    if (!found)

      return false;

  }

  LOG(("   match!\n"));

  return true;

}

void ReplaceArray(nsCOMArray<nsWifiAccessPoint>& a, nsCOMArray<nsWifiAccessPoint>& b)

{

  a.Clear();

  // better way to copy?

  for (int32_t i = 0; i < b.Count(); i++) {

    a.AppendObject(b[i]);

  }

  b.Clear();

}