////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////

#ifndef ARANGOD_HTTP_SERVER_PATH_HANDLER_H
#define ARANGOD_HTTP_SERVER_PATH_HANDLER_H 1

#include "Basics/Common.h"
#include "HttpServer/HttpHandler.h"

namespace arangodb {
namespace rest {

////////////////////////////////////////////////////////////////////////////////
/// @brief path handler
////////////////////////////////////////////////////////////////////////////////

class PathHandler : public HttpHandler {
 public:
  //////////////////////////////////////////////////////////////////////////////
  /// @brief path options
  //////////////////////////////////////////////////////////////////////////////

  struct Options {
    Options() : allowSymbolicLink(false), cacheMaxAge(0) {}

    explicit Options(std::string const& path)
        : path(path),
          contentType("text/html"),
          allowSymbolicLink(false),
          cacheMaxAge(0) {}

    Options(std::string const& path, std::string const& contentType)
        : path(path),
          contentType(contentType),
          allowSymbolicLink(false),
          cacheMaxAge(0) {}

    std::string path;
    std::string contentType;
    bool allowSymbolicLink;
    std::string defaultFile;
    int64_t cacheMaxAge;
  };

 public:
  //////////////////////////////////////////////////////////////////////////////
  /// @brief factory methods
  //////////////////////////////////////////////////////////////////////////////

  static HttpHandler* create(HttpRequest* request, void* data) {
    Options* options = static_cast<Options*>(data);

    return new PathHandler(request, options);
  }

 public:
  PathHandler(HttpRequest* request, Options const* options);

 public:
  bool isDirect() const override { return true; }

  status_t execute() override;

  void handleError(const basics::Exception&) override;

 private:
  std::string path;
  std::string contentType;
  bool allowSymbolicLink;
  std::string defaultFile;
  int64_t cacheMaxAge;
  std::string maxAgeHeader;
};
}
}

#endif