#ifndef IRC_H
#define IRC_H

#include <stdbool.h>
typedef enum
{
    PLAIN,
    EXTERNAL
} irc_sasl_method_t;

typedef struct
{
    char *nickname;
    int   nicklen;
    char *ident;
    int   identlen;
    char *hostname;
    int   hostlen;
} irc_hostmask_t;

typedef struct {
    char  line[513];
    char *source;
    char *command;
    char *argv[16];
    int   argc;
} irc_message_t;

typedef struct
{
    irc_hostmask_t hostmask;
    char prefix;
} irc_chanuser_t;

typedef struct
{
    char name[64];
    char topic[512];
    irc_chanuser_t* users;
} irc_channel_t;

typedef struct 
{
    char capLine[96];       // A place for name and args to point to.
    char *name;
    char *args;
} irc_capability_t;


typedef struct
{
    int            sockfd;
    irc_hostmask_t ownHostmask;
    char           supportedCapabilities[512];
    char*          requestedCapabilities;
} irc_client_t;

typedef struct {
    const char *name;
    void (*handler)(irc_message_t *msg, irc_client_t *irc);
} command_t;

void IRC_ParseMessage(char* line, irc_message_t *msg);
void IRC_ProcessMessage(irc_message_t *msg, irc_client_t *irc);

// various IRC commands
void IRC_PRIVMSG(char* to, char* msg, irc_client_t *irc);
void IRC_NOTICE(char* to, char* msg, irc_client_t *irc);
void IRC_NICK(char *nick, irc_client_t *irc);
void IRC_USER(char *ident, char* realname, irc_client_t *irc);

// registration
void IRC_Register(char *nick, char* ident, char *realname, bool saslEnabled, irc_sasl_method_t saslMethod, char *saslUsername, char *saslPassword, irc_client_t *irc);

// Capability negotiation block
void IRC_StartCapabilityNegotiation(irc_client_t *irc);
void IRC_RequestCapabilities(char* caps, irc_client_t *irc);
void IRC_EndCapabilityNegotiation(irc_client_t *irc);

int IRC_ParseCapabilities(char* caps, irc_capability_t *capabilities, int capsLength);

#endif