/**
 * @author: Jeff Thompson
 * See COPYING for copyright and distribution information.
 */

#ifndef NDN_FORWARDING_ENTRY_HPP
#define	NDN_FORWARDING_ENTRY_HPP

#include <string>
#include "name.hpp"
#include "publisher-public-key-digest.hpp"
#include "c/forwarding-entry.h"

namespace ndn {

/**
 * An ForwardingEntry holds an action and  Name prefix and other fields for an forwarding entry.
 */
class ForwardingEntry {
public:    
  ForwardingEntry
    (const std::string& action, const Name& prefix, const PublisherPublicKeyDigest publisherPublicKeyDigest,
     int faceId, int forwardingFlags, int freshnessSeconds) 
  : action_(action), prefix_(prefix), publisherPublicKeyDigest_(publisherPublicKeyDigest), 
    faceId_(faceId), forwardingFlags_(forwardingFlags), freshnessSeconds_(freshnessSeconds)
  {
  }

  ForwardingEntry()
  : faceId_(-1), forwardingFlags_(-1), freshnessSeconds_(-1)
  {
  }
  
  ptr_lib::shared_ptr<std::vector<unsigned char> > wireEncode(WireFormat& wireFormat) const 
  {
    return wireFormat.encodeForwardingEntry(*this);
  }
  ptr_lib::shared_ptr<std::vector<unsigned char> > wireEncode() const 
  {
    return wireEncode(*WireFormat::getDefaultWireFormat());
  }
  void wireDecode(const unsigned char *input, unsigned int inputLength, WireFormat& wireFormat) 
  {
    wireFormat.decodeForwardingEntry(*this, input, inputLength);
  }
  void wireDecode(const unsigned char *input, unsigned int inputLength) 
  {
    wireDecode(input, inputLength, *WireFormat::getDefaultWireFormat());
  }
  void wireDecode(const std::vector<unsigned char>& input, WireFormat& wireFormat) 
  {
    wireDecode(&input[0], input.size(), wireFormat);
  }
  void wireDecode(const std::vector<unsigned char>& input) 
  {
    wireDecode(&input[0], input.size());
  }
  
  /**
   * Set the forwardingEntryStruct to point to the components in this forwarding entry, without copying any memory.
   * WARNING: The resulting pointers in forwardingEntryStruct are invalid after a further use of this object which could reallocate memory.
   * @param forwardingEntryStruct a C ndn_ForwardingEntry struct where the prefix name components array is already allocated.
   */
  void get(struct ndn_ForwardingEntry& forwardingEntryStruct) const;

  const std::string& getAction() const { return action_; }
  
  Name& getPrefix() { return prefix_; }
  const Name& getPrefix() const { return prefix_; }
  
  PublisherPublicKeyDigest& getPublisherPublicKeyDigest() { return publisherPublicKeyDigest_; }
  const PublisherPublicKeyDigest& getPublisherPublicKeyDigest() const { return publisherPublicKeyDigest_; }
  
  int getFaceId() const { return faceId_; }

  int getForwardingFlags() const { return forwardingFlags_; }

  int getFreshnessSeconds() const { return freshnessSeconds_; }
  
  /**
   * Clear this forwarding entry, and set the values by copying from forwardingEntryStruct.
   * @param forwardingEntryStruct a C ndn_ForwardingEntry struct.
   */
  void set(const struct ndn_ForwardingEntry& forwardingEntryStruct);

  void setAction(const std::string& value) { action_ = value; }
  
  void setFaceId(int value) { faceId_ = value; }
      
  void setForwardingFlags(int value) { forwardingFlags_ = value; }
      
  void setFreshnessSeconds(int value) { freshnessSeconds_ = value; }
      
  std::string action_;   /**< empty for none. */
  Name prefix_;
  PublisherPublicKeyDigest publisherPublicKeyDigest_;
  int faceId_;           /**< -1 for none. */
  int forwardingFlags_;  /**< -1 for none. */
  int freshnessSeconds_; /**< -1 for none. */
};

}

#endif