#pragma once
#include "wizchip_conf.h"

using SOCKET = uint8_t;

constexpr int16_t SOCK_OK             = 1;
constexpr int16_t SOCK_BUSY           = 0;
constexpr int16_t SOCK_FATAL          = -1000;
constexpr int16_t SOCK_ERROR          = 0;
constexpr int16_t SOCKERR_SOCKNUM     = SOCK_ERROR - 1;
constexpr int16_t SOCKERR_SOCKOPT     = SOCK_ERROR - 2;
constexpr int16_t SOCKERR_SOCKINIT    = SOCK_ERROR - 3;
constexpr int16_t SOCKERR_SOCKCLOSED  = SOCK_ERROR - 4;
constexpr int16_t SOCKERR_SOCKMODE    = SOCK_ERROR - 5;
constexpr int16_t SOCKERR_SOCKFLAG    = SOCK_ERROR - 6;
constexpr int16_t SOCKERR_SOCKSTATUS  = SOCK_ERROR - 7;
constexpr int16_t SOCKERR_ARG         = SOCK_ERROR - 10;
constexpr int16_t SOCKERR_PORTZERO    = SOCK_ERROR - 11;
constexpr int16_t SOCKERR_IPINVALID   = SOCK_ERROR - 12;
constexpr int16_t SOCKERR_TIMEOUT     = SOCK_ERROR - 13;
constexpr int16_t SOCKERR_DATALEN     = SOCK_ERROR - 14;
constexpr int16_t SOCKERR_BUFFER      = SOCK_ERROR - 15;
constexpr int16_t SOCKFATAL_PACKLEN   = SOCK_FATAL - 1;

constexpr uint8_t SF_MULTI_ENABLE     = Sn_MR_MULTI;
constexpr uint8_t SF_ETHER_OWN        = Sn_MR_MF;
constexpr uint8_t SF_BROAD_BLOCK      = Sn_MR_BRDB;
constexpr uint8_t SF_TCP_FPSH         = Sn_MR_FPSH;
constexpr uint8_t SF_TCP_NODELAY      = Sn_MR_ND;
constexpr uint8_t SF_IGMP_VER2        = Sn_MR_MC;
constexpr uint8_t SF_SOLICIT_BLOCK    = Sn_MR_SMB;
constexpr uint8_t SF_ETHER_MULTI4B    = Sn_MR_MMB4;
constexpr uint8_t SF_UNI_BLOCK        = Sn_MR_UNIB;
constexpr uint8_t SF_ETHER_MULIT6B    = Sn_MR_MMB6;
constexpr uint8_t SF_FORCE_ARP        = Sn_MR2_FARP;
constexpr uint8_t SF_DHA_MANUAL       = Sn_MR2_DHAM;
constexpr uint8_t SF_IO_NONBLOCK      = 0x01 << 3;

constexpr uint8_t PACK_IPv6           = 1 << 7;
constexpr uint8_t PACK_IPV6_ALLNODE   = PACK_IPv6 | (1 << 6);
constexpr uint8_t PACK_IPV6_MULTI     = PACK_IPv6 | (1 << 5);
constexpr uint8_t PACK_IPV6_LLA       = PACK_IPv6 | (1 << 4);
constexpr uint8_t PACK_COMPLETED      = 1 << 3;
constexpr uint8_t PACK_REMAINED       = 1 << 2;
constexpr uint8_t PACK_FIRST          = 1 << 1;
constexpr uint8_t PACK_NONE           = 0x00;

constexpr uint8_t SRCV6_PREFER_AUTO   = PSR_AUTO;
constexpr uint8_t SRCV6_PREFER_LLA    = PSR_LLA;
constexpr uint8_t SRCV6_PREFER_GUA    = PSR_GUA;

constexpr uint8_t TCPSOCK_MODE        = Sn_ESR_TCPM;
constexpr uint8_t TCPSOCK_OP          = Sn_ESR_TCPOP;
constexpr uint8_t TCPSOCK_SIP         = Sn_ESR_IP6T;

constexpr uint8_t SOCK_IO_BLOCK       = 0;
constexpr uint8_t SOCK_IO_NONBLOCK    = 1;

int8_t  socket(uint8_t sn, uint8_t protocol, uint16_t port, uint8_t flag);
int8_t  close(uint8_t sn);
int8_t  listen(uint8_t sn);
int8_t  disconnect(uint8_t sn);
int32_t send(uint8_t sn, uint8_t * buf, uint16_t len);
int32_t recv(uint8_t sn, uint8_t * buf, uint16_t len);

typedef enum {
    SIK_CONNECTED     = (1 << 0),
    SIK_DISCONNECTED  = (1 << 1),
    SIK_RECEIVED      = (1 << 2),
    SIK_TIMEOUT       = (1 << 3),
    SIK_SENT          = (1 << 4),
    SIK_ALL           = 0x1F
} sockint_kind;

typedef enum {
    CS_SET_IOMODE,
    CS_GET_IOMODE,
    CS_GET_MAXTXBUF,
    CS_GET_MAXRXBUF,
    CS_CLR_INTERRUPT,
    CS_GET_INTERRUPT,
    CS_SET_PREFER,
    CS_GET_PREFER,
    CS_SET_INTMASK,
    CS_GET_INTMASK
} ctlsock_type;

typedef enum {
    SO_FLAG,
    SO_TTL,
    SO_TOS,
    SO_MSS,
    SO_DESTIP,
    SO_DESTPORT,
    SO_KEEPALIVESEND,
    SO_KEEPALIVEAUTO,
    SO_SENDBUF,
    SO_RECVBUF,
    SO_STATUS,
    SO_EXTSTATUS,
    SO_MODE,
    SO_REMAINSIZE,
    SO_PACKINFO
} sockopt_type;

int8_t  ctlsocket(uint8_t sn, ctlsock_type cstype, void* arg);
int8_t  setsockopt(uint8_t sn, sockopt_type sotype, void* arg);
int8_t  getsockopt(uint8_t sn, sockopt_type sotype, void* arg);
int16_t peeksockmsg(uint8_t sn, uint8_t* submsg, uint16_t subsize);

int8_t  connect_W6x00(uint8_t sn, uint8_t * addr, uint16_t port, uint8_t addrlen);
int32_t sendto_W6x00(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t port, uint8_t addrlen);
int32_t recvfrom_W6x00(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t *port, uint8_t *addrlen);

inline int8_t connect(uint8_t sn, uint8_t* addr, uint16_t port, uint8_t addrlen) { return connect_W6x00(sn, addr, port, addrlen); }
inline int32_t sendto(uint8_t sn, uint8_t* buf, uint16_t len, uint8_t* addr, uint16_t port, uint8_t addrlen) { return sendto_W6x00(sn, buf, len, addr, port, addrlen); }
inline int32_t recvfrom(uint8_t sn, uint8_t* buf, uint16_t len, uint8_t* addr, uint16_t* port, uint8_t* addrlen) { return recvfrom_W6x00(sn, buf, len, addr, port, addrlen); }