#ifndef NETWORK_H
#define NETWORK_H

#include <string>
#include <vector>
#include <cstdint>

#ifdef _WIN32
    #ifndef WIN32_LEAN_AND_MEAN
        #define WIN32_LEAN_AND_MEAN
    #endif
    #ifndef NOGDI
        #define NOGDI
    #endif
    #ifndef NOUSER
        #define NOUSER
    #endif
    // Rename conflicting functions before including windows/winsock
    #define CloseWindow CloseWindow_Win
    #define ShowCursor ShowCursor_Win
    #define DrawTextEx DrawTextEx_Win
    #define PlaySound PlaySound_Win
    
    #include <winsock2.h>
    #include <ws2tcpip.h>
    
    #undef CloseWindow
    #undef ShowCursor
    #undef DrawTextEx
    #undef PlaySound
    #undef near
    #undef far
    
    #pragma comment(lib, "ws2_32.lib")
    typedef SOCKET Socket;
    #define INVALID_SOCKET_VAL INVALID_SOCKET
    #define SOCKET_ERROR_VAL SOCKET_ERROR
#else
    #include <sys/socket.h>
    #include <netinet/in.h>
    #include <arpa/inet.h>
    #include <unistd.h>
    #include <fcntl.h>
    typedef int Socket;
    #define INVALID_SOCKET_VAL -1
    #define SOCKET_ERROR_VAL -1
    #define closesocket close
#endif

enum PacketType {
    PACKET_HANDSHAKE = 0,
    PACKET_PLAYER_UPDATE = 1,
    PACKET_BLOCK_CHANGE = 2,
    PACKET_TIME_SYNC = 3,
    PACKET_SEED_SYNC = 4,
    PACKET_CHAT = 5,
    PACKET_DISCONNECT = 6,
    PACKET_PLAYER_HIT = 7
};

struct PacketPlayerHit {
    uint32_t targetID;
    float damage;
    float attackerX, attackerZ;
};

struct PacketHeader {
    uint8_t type;
    uint32_t size;
};

struct PacketHandshake {
    char name[32];
    uint8_t shirtR, shirtG, shirtB;
    uint8_t pantsR, pantsG, pantsB;
};

struct PacketPlayerUpdate {
    float x, y, z;
    float yaw;
    uint32_t playerID; // Assigned by server
};

struct PacketBlockChange {
    int x, y, z;
    int blockType;
};

struct PacketTimeSync {
    float gameTime;
};

struct PacketSeedSync {
    int seed;
};

struct PacketChat {
    char name[32];
    char message[128];
};

// Cross-platform socket initialization
inline bool InitNetworking() {
#ifdef _WIN32
    WSADATA wsaData;
    return WSAStartup(MAKEWORD(2, 2), &wsaData) == 0;
#else
    return true;
#endif
}

inline void ShutdownNetworking() {
#ifdef _WIN32
    WSACleanup();
#endif
}

inline bool SetNonBlocking(Socket s) {
#ifdef _WIN32
    unsigned long mode = 1;
    return ioctlsocket(s, FIONBIO, &mode) == 0;
#else
    int flags = fcntl(s, F_GETFL, 0);
    if (flags == -1) return false;
    return fcntl(s, F_SETFL, flags | O_NONBLOCK) == 0;
#endif
}

#endif