/*
 * Entertain plugin — entertain.c
 * Plugin registration: init, shutdown, tick, on_command.
 * Chess is the first entertainment feature; more can be added.
 */
#include "hybbx/plugin.h"
#include "hybbx/service.h"
#include "hybbx/command.h"
#include "hybbx/log.h"
#include "entertain_chess.h"

#include <string.h>

static struct hybbx_service *g_service;

/* Forward declarations from chess_cmd.c */
extern hybbx_result_t entertain_cmd_chess(struct hybbx_service *service,
                                          struct hybbx_session *session,
                                          const struct hybbx_parsed_command *cmd);

static hybbx_result_t entertain_init(struct hybbx_service *service)
{
    g_service = service;
    chess_init(CHESS_DEFAULT_MAX);
    hybbx_log_info("[entertain] plugin loaded — chess_max_games=%u", (unsigned)CHESS_DEFAULT_MAX);
    return HYBBX_OK;
}

static void entertain_shutdown(void)
{
    chess_shutdown();
    g_service = NULL;
    hybbx_log_info("[entertain] plugin unloaded");
}

static void entertain_tick(struct hybbx_service *service)
{
    chess_tick(service);
}

static hybbx_result_t entertain_on_command(struct hybbx_service *service,
                                           struct hybbx_session *session,
                                           const struct hybbx_parsed_command *cmd)
{
    if (cmd == NULL || cmd->verb == NULL) {
        return HYBBX_ERR_NOT_FOUND;
    }

    if (strcmp(cmd->verb, "chess") == 0 || strcmp(cmd->verb, "play") == 0) {
        return entertain_cmd_chess(service, session, cmd);
    }

    return HYBBX_ERR_NOT_FOUND;
}

const hybbx_transport_plugin_t hybbx_plugin_entertain = {
    .name        = "entertain",
    .kind        = 0,  /* not a transport — feature plugin */
    .version     = 1,
    .init        = entertain_init,
    .shutdown    = entertain_shutdown,
    .start       = NULL,
    .stop        = NULL,
    .write       = NULL,
    .tick        = entertain_tick,
    .on_command  = entertain_on_command,
};