/*
 * @project      The CERN Tape Archive (CTA)
 * @copyright    Copyright © 2021-2022 CERN
 * @license      This program is free software, distributed under the terms of the GNU General Public
 *               Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING". You can
 *               redistribute it and/or modify it under the terms of the GPL Version 3, or (at your
 *               option) any later version.
 *
 *               This program is distributed in the hope that it will be useful, but WITHOUT ANY
 *               WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 *               PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 *               In applying this licence, CERN does not waive the privileges and immunities
 *               granted to it by virtue of its status as an Intergovernmental Organization or
 *               submit itself to any jurisdiction.
 */

#include "common/remoteFS/RemotePath.hpp"
#include "common/exception/Exception.hpp"

#include <sstream>

//------------------------------------------------------------------------------
// setter
//------------------------------------------------------------------------------
void cta::RemotePath::setPath(const std::string &raw)
{
  m_raw = raw;
  auto const pos = raw.find(':');

  if(std::string::npos == pos) {
    std::ostringstream msg;
    msg << "Failed to instantiate RemotePath object for URI " << raw <<
      " because the colon is missing as in scheme:hierarchical_part";
    throw exception::Exception(msg.str());
  }

  if(0 >= pos) {
    std::ostringstream msg;
    msg << "Failed to instantiate RemotePath object for URI " << raw <<
     " because there is no scheme";
    throw exception::Exception(msg.str());
  }

  const auto indexOfLastChar = raw.length() - 1;
  if(pos == indexOfLastChar) {
    std::ostringstream msg;
    msg << "Failed to instantiate RemotePath object for URI " << raw <<
     " because there nothing after the scheme";
    throw exception::Exception(msg.str());
  }

  m_scheme = raw.substr(0, pos);
  m_afterScheme = raw.substr(pos + 1, indexOfLastChar - pos);
}

//------------------------------------------------------------------------------
// constructor
//------------------------------------------------------------------------------
cta::RemotePath::RemotePath(const std::string& raw) {
  setPath(raw);
}


//------------------------------------------------------------------------------
// operator==
//------------------------------------------------------------------------------
bool cta::RemotePath::operator==(const RemotePath &rhs) const {
  return m_raw == rhs.m_raw;
}

//------------------------------------------------------------------------------
// operator<
//------------------------------------------------------------------------------
bool cta::RemotePath::operator<(const RemotePath &rhs) const {
  return m_raw < rhs.m_raw;
}

//------------------------------------------------------------------------------
// empty
//------------------------------------------------------------------------------
bool cta::RemotePath::empty() const {
  return m_raw.empty();
}

//------------------------------------------------------------------------------
// getRaw
//------------------------------------------------------------------------------
const std::string &cta::RemotePath::getRaw() const {
  if(empty()) {
    throw exception::Exception(std::string(__FUNCTION__) +
      ": Empty remote path");
  }

  return m_raw;
}

//------------------------------------------------------------------------------
// getScheme
//------------------------------------------------------------------------------
const std::string &cta::RemotePath::getScheme() const {
  if(empty()) {
    throw exception::Exception(std::string(__FUNCTION__) +
      ": Empty remote path");
  }

  return m_scheme;
}

//------------------------------------------------------------------------------
// getAfterScheme
//------------------------------------------------------------------------------
const std::string &cta::RemotePath::getAfterScheme() const {
  if(empty()) {
    throw exception::Exception(std::string(__FUNCTION__) +
      ": Empty remote path");
  }

  return m_afterScheme;
}