/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2013, Regents of the University of California
 *                     Yingdi Yu
 *
 * BSD license, See the LICENSE file for more information
 *
 * Author: Yingdi Yu <yingdi@cs.ucla.edu>
 */

#ifndef LINKNDN_CONTACT_STORAGE_H
#define LINKNDN_CONTACT_STORAGE_H

#include <sqlite3.h>
#include "trusted-contact.h"
#include "contact-item.h"
#include "endorse-certificate.h"
#include <ndn.cxx/security/identity/identity-manager.h>
#include <ndn.cxx/fields/signature-sha256-with-rsa.h>


class ContactStorage
{

public:
  ContactStorage();
  
  ~ContactStorage() 
  {sqlite3_close(m_db);}

  void
  setSelfProfileEntry(const ndn::Name& identity, const std::string& profileType, const ndn::Blob& profileValue);

  ndn::Ptr<Profile>
  getSelfProfile(const ndn::Name& identity);

  void
  addTrustedContact(const TrustedContact& trustedContact);
  
  void
  addNormalContact(const ContactItem& contactItem);

  void 
  updateAlias(const ndn::Name& identity, std::string alias);

  std::vector<ndn::Ptr<TrustedContact> >
  getAllTrustedContacts() const;

  std::vector<ndn::Ptr<ContactItem> >
  getAllNormalContacts() const;

  ndn::Ptr<ContactItem>
  getNormalContact(const ndn::Name& name);

  ndn::Ptr<TrustedContact>
  getTrustedContact(const ndn::Name& name);
    
  ndn::Ptr<Profile>
  getSelfProfile(const ndn::Name& identity) const;

  ndn::Ptr<ndn::Blob>
  getSelfEndorseCertificate(const ndn::Name& identity);

  void
  updateSelfEndorseCertificate(ndn::Ptr<EndorseCertificate> endorseCertificate, const ndn::Name& identity);

  void
  addSelfEndorseCertificate(ndn::Ptr<EndorseCertificate> endorseCertificate, const ndn::Name& identity);
  
private:
  bool
  doesSelfEntryExist(const ndn::Name& identity, const std::string& profileType);

  inline bool
  doesTrustedContactExist(const ndn::Name& name)
  { return doesContactExist(name, false); }

  inline bool
  doesNormalContactExist(const ndn::Name& name)
  { return doesContactExist(name, true); }

  bool
  doesContactExist(const ndn::Name& name, bool normal);

private:
  sqlite3 *m_db;
};

#endif