#ifndef IRC_STRUCTS_H
#define IRC_STRUCTS_H

#include <stdbool.h>

typedef enum
{
    SASL_MECHANISM_NONE,
    SASL_MECHANISM_PLAIN,
    SASL_MECHANISM_EXTERNAL
} irc_sasl_mechanism_t;

typedef struct
{
    char nickname[32];
    char ident[16];
    char hostname;
} 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
{
    char username[32];
    char password[64];
} irc_sasl_plain_credentials_t;

typedef struct
{
    char nickname[32];
    unsigned char fingerprint[20];
} irc_sasl_external_credentials_t;

typedef struct
{
    irc_sasl_mechanism_t mechanism;
    union {
        irc_sasl_plain_credentials_t plain_credentials;
        irc_sasl_external_credentials_t external_credentials;
    };
} irc_auth_t;

typedef struct
{
    int              sockfd;
    irc_hostmask_t   ownHostmask;
    char             supportedCapabilities[512];
    char             requestedCapabilities[512];
    irc_capability_t acked[24];
    struct
    {
        bool saslWorks;
    } capabilities;

    /* Authentication parameters */
    irc_auth_t sasl_auth;
} irc_client_t;

typedef struct
{
    char nick[32];
    char ident[16];
    char realname[64];
} irc_identity_t;

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

#endif