// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_CHROMEOS_NET_ONC_UTILS_H_
#define CHROME_BROWSER_CHROMEOS_NET_ONC_UTILS_H_

#include <string>

#include "base/memory/scoped_ptr.h"
#include "components/onc/onc_constants.h"

class PrefService;

namespace base {
class DictionaryValue;
class ListValue;
}

namespace user_manager {
class User;
}

namespace chromeos {

class NetworkState;

namespace onc {

// Replaces string placeholders in |network_configs|, which must be a list of
// ONC NetworkConfigurations. Currently only user name placeholders are
// implemented, which are replaced by attributes of the logged-in user with
// |hashed_username|.
void ExpandStringPlaceholdersInNetworksForUser(
    const user_manager::User* user,
    base::ListValue* network_configs);

void ImportNetworksForUser(const user_manager::User* user,
                           const base::ListValue& network_configs,
                           std::string* error);

// Looks up the policy for |guid| for the current active user and sets
// |global_config| (if not NULL) and |onc_source| (if not NULL) accordingly. If
// |guid| is empty, returns NULL and sets the |global_config| and |onc_source|
// if a policy is found.
const base::DictionaryValue* FindPolicyForActiveUser(
    const std::string& guid,
    ::onc::ONCSource* onc_source);

// Returns the global network configuration section of the active user's network
// policy (if |for_active_user| is true) or of the device policy.
const base::DictionaryValue* GetGlobalConfigFromPolicy(bool for_active_user);

// Convenvience function to retrieve the "AllowOnlyPolicyNetworksToAutoconnect"
// setting from the global network configuration (see
// GetGlobalConfigFromPolicy).
bool PolicyAllowsOnlyPolicyNetworksToAutoconnect(bool for_active_user);

// Returns the effective (user or device) policy for network |network|. Both
// |profile_prefs| and |local_state_prefs| might be NULL. Returns NULL if no
// applicable policy is found. Sets |onc_source| accordingly.
const base::DictionaryValue* GetPolicyForNetwork(
    const PrefService* profile_prefs,
    const PrefService* local_state_prefs,
    const NetworkState& network,
    ::onc::ONCSource* onc_source);

// Convenience function to check only whether a policy for a network exists.
bool HasPolicyForNetwork(const PrefService* profile_prefs,
                         const PrefService* local_state_prefs,
                         const NetworkState& network);

}  // namespace onc
}  // namespace chromeos

#endif  // CHROME_BROWSER_CHROMEOS_NET_ONC_UTILS_H_