// Copyright 2020 Google LLC
//
// 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
//
//     https://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.

#include "core/strategy.h"

namespace location {
namespace nearby {
namespace connections {

const Strategy Strategy::kP2PCluster(Strategy::ConnectionType::P2P,
                                     Strategy::TopologyType::M_TO_N);

const Strategy Strategy::kP2PStar(Strategy::ConnectionType::P2P,
                                  Strategy::TopologyType::ONE_TO_N);

const Strategy Strategy::kP2PPointToPoint(Strategy::ConnectionType::P2P,
                                          Strategy::TopologyType::ONE_TO_ONE);

Strategy::Strategy(ConnectionType::Value connection_type,
                   TopologyType::Value topology_type)
    : connection_type(connection_type), topology_type(topology_type) {}

Strategy::Strategy(const Strategy& that)
    : connection_type(that.connection_type),
      topology_type(that.topology_type) {}

bool Strategy::isValid() const {
  return kP2PStar == *this || kP2PCluster == *this || kP2PPointToPoint == *this;
}

std::string Strategy::getName() const {
  if (Strategy::kP2PCluster == *this) {
    return "P2P_CLUSTER";
  } else if (Strategy::kP2PStar == *this) {
    return "P2P_STAR";
  } else if (Strategy::kP2PPointToPoint == *this) {
    return "P2P_POINT_TO_POINT";
  } else {
    return "UNKNOWN";
  }
}

bool operator==(const Strategy& lhs, const Strategy& rhs) {
  return lhs.connection_type == rhs.connection_type &&
         lhs.topology_type == rhs.topology_type;
}

bool operator!=(const Strategy& lhs, const Strategy& rhs) {
  return !(lhs == rhs);
}

}  // namespace connections
}  // namespace nearby
}  // namespace location