#ifndef NET_NODE_H
#define NET_NODE_H

#ifndef _WIN32
// POSIX
#include <tcpd/tcpconnection.h>
#include <tcpd/tcpclient.h>
#include <tcpd/tcpserver.h>
#endif

#include <constants.h>
#include <packettype.h>

#include <stddef.h>

#include <dynarr.h>

#include <pthread.h>

#include <block/block.h>
#include <block/chain.h>
#include <block/transaction.h>

typedef struct {
    tcp_server_t* server;
    tcp_client_t outboundClients[MAX_CONS];
    size_t outboundCount;
    void (*on_connect)(tcp_connection_t* conn, void* user);
    void (*on_data)(tcp_connection_t* conn, const unsigned char* data, size_t len, void* user);
    void (*on_disconnect)(tcp_connection_t* conn, void* user);
    void* callbackUser;
    // Maintenance thread for periodic tasks (orphan attach, pruning, metrics)
    pthread_t maintenanceThread;
    volatile int maintenanceRunning;
    int maintenanceIntervalMs;
} net_node_t;

net_node_t* Node_Create();
void Node_Destroy(net_node_t* node);

void Node_SetCallbacks(
    net_node_t* node,
    void (*on_connect)(tcp_connection_t* conn, void* user),
    void (*on_data)(tcp_connection_t* conn, const unsigned char* data, size_t len, void* user),
    void (*on_disconnect)(tcp_connection_t* conn, void* user),
    void* user
);

int Node_ConnectPeer(net_node_t* node, const char* ip, unsigned short port);
int Node_ConnectStartupPeers(net_node_t* node, const char** ips, const unsigned short* ports, size_t peersCount);

int Node_SendPacket(net_node_t* node, tcp_connection_t* conn, packet_type_t packetType, const void* payload, size_t payloadLen);

// Callback logic
void Node_Server_OnConnect(tcp_connection_t* client);
void Node_Server_OnData(tcp_connection_t* client);
void Node_Server_OnDisconnect(tcp_connection_t* client);
void Node_Client_OnConnect(tcp_connection_t* client);
void Node_Client_OnData(tcp_connection_t* client);
void Node_Client_OnDisconnect(tcp_connection_t* client);

#endif