/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

/*

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*/

#ifndef DOM_MEDIA_WEBRTC_SDP_SDP_H_
#define DOM_MEDIA_WEBRTC_SDP_SDP_H_

#include <ostream>
#include <sstream>

#include "mozilla/UniquePtr.h"
#include "sdp/SdpAttributeList.h"
#include "sdp/SdpEnum.h"
#include "sdp/SdpMediaSection.h"

namespace mozilla {

class SdpOrigin;
class SdpEncryptionKey;
class SdpMediaSection;

/**
 * Base class for an SDP
 */
class Sdp {
 public:
  Sdp() = default;
  virtual ~Sdp() = default;

  virtual UniquePtr<Sdp> Clone() const = 0;

  virtual const SdpOrigin& GetOrigin() const = 0;
  // Note: connection information is always retrieved from media sections
  virtual uint32_t GetBandwidth(const std::string& type) const = 0;

  virtual const SdpAttributeList& GetAttributeList() const = 0;
  virtual SdpAttributeList& GetAttributeList() = 0;

  virtual size_t GetMediaSectionCount() const = 0;
  virtual const SdpMediaSection& GetMediaSection(size_t level) const = 0;
  virtual SdpMediaSection& GetMediaSection(size_t level) = 0;

  virtual SdpMediaSection& AddMediaSection(
      const SdpMediaSection::MediaType media,
      const SdpDirectionAttribute::Direction dir, const uint16_t port,
      const SdpMediaSection::Protocol proto, const sdp::AddrType addrType,
      const std::string& addr) = 0;

  virtual void Serialize(std::ostream&) const = 0;

  std::string ToString() const;
};

inline std::ostream& operator<<(std::ostream& os, const Sdp& sdp) {
  sdp.Serialize(os);
  return os;
}

inline std::string Sdp::ToString() const {
  std::stringstream s;
  s << *this;
  return s.str();
}

class SdpOrigin {
 public:
  SdpOrigin(const std::string& username, const uint64_t sessId,
            const uint64_t sessVer, const sdp::AddrType addrType,
            const std::string& addr)
      : mUsername(username),
        mSessionId(sessId),
        mSessionVersion(sessVer),
        mAddrType(addrType),
        mAddress(addr) {}

  const std::string& GetUsername() const { return mUsername; }

  uint64_t GetSessionId() const { return mSessionId; }

  uint64_t GetSessionVersion() const { return mSessionVersion; }

  sdp::AddrType GetAddrType() const { return mAddrType; }

  const std::string& GetAddress() const { return mAddress; }

  void Serialize(std::ostream& os) const {
    sdp::NetType netType = sdp::kInternet;
    os << "o=" << mUsername << " " << mSessionId << " " << mSessionVersion
       << " " << netType << " " << mAddrType << " " << mAddress << "\r\n";
  }

 private:
  std::string mUsername;
  uint64_t mSessionId;
  uint64_t mSessionVersion;
  sdp::AddrType mAddrType;
  std::string mAddress;
};

inline std::ostream& operator<<(std::ostream& os, const SdpOrigin& origin) {
  origin.Serialize(os);
  return os;
}

}  // namespace mozilla

#endif