/*
 *
 *  Copyright 2020 The Android Open Source Project
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

#pragma once

#include <memory>
#include <vector>

#include "hci/address_with_type.h"
#include "hci/hci_packets.h"
#include "security/internal/security_manager_impl.h"
#include "security/smp_packets.h"

namespace bluetooth {
namespace security {

/**
 * Manages the security attributes, pairing, bonding of devices, and the
 * encryption/decryption of communications.
 */
class FacadeConfigurationApi {
 public:
  friend class internal::SecurityManagerImpl;
  friend class SecurityModule;

  void SetDisconnectCallback(internal::SecurityManagerImpl::FacadeDisconnectCallback callback);
  void SetIoCapability(hci::IoCapability io_capability);
  void SetAuthenticationRequirements(hci::AuthenticationRequirements authentication_requirement);
  void EnforceSecurityPolicy(
      hci::AddressWithType remote,
      l2cap::classic::SecurityPolicy policy,
      l2cap::classic::SecurityEnforcementInterface::ResultCallback callback);

  void SetLeIoCapability(security::IoCapability io_capability);
  void SetLeAuthRequirements(uint8_t auth_req);
  void SetLeMaximumEncryptionKeySize(uint8_t maximum_encryption_key_size);
  void SetLeOobDataPresent(OobDataFlag oob_present);
  void GetLeOutOfBandData(std::array<uint8_t, 16>* confirmation_value, std::array<uint8_t, 16>* random_value);
  void SetOutOfBandData(
      hci::AddressWithType remote_address,
      std::array<uint8_t, 16> confirmation_value,
      std::array<uint8_t, 16> random_value);

 protected:
  FacadeConfigurationApi(os::Handler* security_handler, internal::SecurityManagerImpl* security_manager_impl)
      : security_handler_(security_handler), security_manager_impl_(security_manager_impl) {}

 private:
  os::Handler* security_handler_ = nullptr;
  internal::SecurityManagerImpl* security_manager_impl_;
  DISALLOW_COPY_AND_ASSIGN(FacadeConfigurationApi);
};

}  // namespace security
}  // namespace bluetooth