#pragma once

#include <functional>
#include <memory>
#include <string>

namespace sc {

struct DiscoveredPeer {
    std::string service_name;
    std::string host;
    uint16_t signaling_port = 0;
};

class DiscoveryService {
  public:
    using PeerCallback = std::function<void ( const DiscoveredPeer & )>;

    virtual ~DiscoveryService () = default;

    // Announce this peer on the LAN.
    virtual bool announce ( const std::string &service_name, uint16_t signaling_port ) = 0;

    // Browse for peers; callback is invoked for each newly found service.
    virtual bool browse ( PeerCallback on_peer ) = 0;

    virtual void stop () = 0;
};

class DiscoveryFactory {
  public:
    static std::unique_ptr<DiscoveryService> create_avahi ();
};

}  // namespace sc