// Copyright (c) 2018, ETH Zurich and UNC Chapel Hill.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//
//     * Neither the name of ETH Zurich and UNC Chapel Hill nor the names of
//       its contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Author: Johannes L. Schoenberger (jsch at inf.ethz.ch)

#include "base/reconstruction_manager.h"

#include "util/misc.h"
#include "util/option_manager.h"

namespace colmap {

ReconstructionManager::ReconstructionManager() {}

ReconstructionManager::ReconstructionManager(ReconstructionManager&& other)
    : ReconstructionManager() {
  reconstructions_ = std::move(other.reconstructions_);
}

ReconstructionManager& ReconstructionManager::operator=(
    ReconstructionManager&& other) {
  if (this != &other) {
    reconstructions_ = std::move(other.reconstructions_);
  }
  return *this;
}

size_t ReconstructionManager::Size() const { return reconstructions_.size(); }

const Reconstruction& ReconstructionManager::Get(const size_t idx) const {
  return *reconstructions_.at(idx);
}

Reconstruction& ReconstructionManager::Get(const size_t idx) {
  return *reconstructions_.at(idx);
}

size_t ReconstructionManager::Add() {
  const size_t idx = Size();
  reconstructions_.emplace_back(new Reconstruction());
  return idx;
}

void ReconstructionManager::Delete(const size_t idx) {
  CHECK_LT(idx, reconstructions_.size());
  reconstructions_.erase(reconstructions_.begin() + idx);
}

void ReconstructionManager::Clear() { reconstructions_.clear(); }

size_t ReconstructionManager::Read(const std::string& path) {
  const size_t idx = Add();
  reconstructions_[idx]->Read(path);
  return idx;
}

void ReconstructionManager::Write(const std::string& path,
                                  const OptionManager* options) const {
  for (size_t i = 0; i < reconstructions_.size(); ++i) {
    const std::string reconstruction_path = JoinPaths(path, std::to_string(i));
    CreateDirIfNotExists(reconstruction_path);
    reconstructions_[i]->Write(reconstruction_path);
    if (options != nullptr) {
      options->Write(JoinPaths(reconstruction_path, "project.ini"));
    }
  }
}

}  // namespace colmap
