#include "kwallet_keychain.h"

#include <QDBusConnection>
#include <QDBusPendingReply>

const QString KWalletKeychain::kImplementationName = "KWallet";
const QString KWalletKeychain::kKWalletServiceName = "org.kde.kwalletd";
const QString KWalletKeychain::kKWalletPath = "/modules/kwalletd";
const QString KWalletKeychain::kKWalletFolder = "Passwords";

KWalletKeychain::KWalletKeychain()
    : kwallet_(kKWalletServiceName, kKWalletPath, QDBusConnection::sessionBus())
{
  if (isAvailable()) {
    QDBusPendingReply<QString> wallet_name = kwallet_.networkWallet();
    wallet_name.waitForFinished();
    if (wallet_name.isValid()) {
      wallet_name_ = wallet_name.value();
      QDBusPendingReply<int> open_request = kwallet_.open(wallet_name_, 0, kServiceName);
      open_request.waitForFinished();
      if (open_request.isValid()) {
        handle_ = open_request.value();
      }
    }
  }
}

KWalletKeychain::~KWalletKeychain() {
}

bool KWalletKeychain::isAvailable() {
  if(!kwallet_.isValid())
    return false;

  QDBusPendingReply<bool> check = kwallet_.isEnabled();
  check.waitForFinished();
  return check.isValid() && check.value();
}

const QString KWalletKeychain::getPassword(const QString& account) {
  QDBusPendingReply<QString> password =
    kwallet_.readPassword(handle_, kKWalletFolder, account, kServiceName);
  password.waitForFinished();
  if (password.isValid()) {
    return password.value();
  }

  return QString::null;
}

bool KWalletKeychain::setPassword(const QString& account, const QString& password) {
  QDBusPendingReply<int> ret =
    kwallet_.writePassword(handle_, kKWalletFolder, account, password, kServiceName);
  ret.waitForFinished();
  if (ret.isValid() && ret.value() == 0) {
    return true;
  }

  return false;
}