#ifndef NEXUS_H
#define NEXUS_H

/**
 * @file
 *
 * A nexus is the central brain of the application; the place where the main() method is implemented
 */
struct nexus;

#include <event2/event.h>
#include "signals.h"
#include "module.h"
#include "irc_client.h"
#include "nexus_lua.h"
#include "lua_console.h"

/**
 * The central brain, as created in the main() function.
 */
struct nexus {
    /** The libevent base */
    struct event_base *ev_base;

    /** Our signal handlers */
    struct signals *signals;

    /** Our loaded modules */
    struct modules *modules;

    /** The IRC client state */
    struct irc_client *client;

    /** Our lua state */
    struct nexus_lua *lua;

    /** Our lua console */
    struct lua_console *lua_console;

    /** Shutting down? */
    bool shutdown;
};

/**
 * Load a config file into the nexus from the given path
 */
err_t nexus_load_config (struct nexus *nexus, const char *path, struct error_info *err);

/**
 * Shut down the nexus cleanly. It /should/ be safe to call this several times, but it won't do anything.
 *
 * Once everything has shut down nicely (which it should, unless there's something buggy), the event loop should exit,
 * and the main() function return.
 */
void nexus_shutdown (struct nexus *nexus);

/**
 * Shut down the nexus fast. This will stop the event loop right away, which should lead to nexus_destroy being called.
 */
void nexus_crash (struct nexus *nexus);

/**
 * Destroy the nexus directly. This is intended to be used once the event loop as exited.
 */
void nexus_destroy (struct nexus *nexus);

/**
 * The nexus main function, application entry point, etc.
 */
int main (int argc, char **argv);

#endif /* NEXUS_H */