/*-
 * bthidcontrol.c
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: bthidcontrol.c,v 1.2 2004/02/13 21:44:41 max Exp $
 */

#include <sys/queue.h>
#include <assert.h>
#define L2CAP_SOCKET_CHECKED
#include <bluetooth.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <usbhid.h>
#include "bthid_config.h"
#include "bthidcontrol.h"

static int do_bthid_command(bdaddr_p bdaddr, int argc, char **argv);
static struct bthid_command * find_bthid_command(char const *command, struct bthid_command *category);
static void print_bthid_command(struct bthid_command *category);
static void usage(void) __dead2;

int32_t hid_sdp_query(bdaddr_t const *local, bdaddr_t const *remote, int32_t *error);

uint32_t verbose = 0;

/*
 * bthidcontrol
 */

int
main(int argc, char *argv[])
{
        bdaddr_t        bdaddr;
        int             opt;

        hid_init(NULL);
        memcpy(&bdaddr, NG_HCI_BDADDR_ANY, sizeof(bdaddr));

        while ((opt = getopt(argc, argv, "a:c:H:hv")) != -1) {
                switch (opt) {
                case 'a': /* bdaddr */
                        if (!bt_aton(optarg, &bdaddr)) {
                                struct hostent  *he = NULL;

                                if ((he = bt_gethostbyname(optarg)) == NULL)
                                        errx(1, "%s: %s", optarg, hstrerror(h_errno));

                                memcpy(&bdaddr, he->h_addr, sizeof(bdaddr));
                        }
                        break;

                case 'c': /* config file */
                        config_file = optarg;
                        break;

                case 'H': /* HIDs file */
                        hids_file = optarg;
                        break;

                case 'v': /* verbose */
                        verbose++;
                        break;

                case 'h':
                default:
                        usage();
                        /* NOT REACHED */
                }
        }

        argc -= optind;
        argv += optind;

        if (*argv == NULL)
                usage();

        return (do_bthid_command(&bdaddr, argc, argv));
} /* main */

/* Execute commands */
static int
do_bthid_command(bdaddr_p bdaddr, int argc, char **argv)
{
        char                    *cmd = argv[0];
        struct bthid_command    *c = NULL;
        int                      e, help;

        help = 0;
        if (strcasecmp(cmd, "help") == 0) {
                argc --;
                argv ++;

                if (argc <= 0) {
                        fprintf(stdout, "Supported commands:\n");
                        print_bthid_command(sdp_commands);
                        print_bthid_command(hid_commands);
                        fprintf(stdout, "\nFor more information use " \
                                        "'help command'\n");

                        return (OK);
                }

                help = 1;
                cmd = argv[0];
        }

        c = find_bthid_command(cmd, sdp_commands); 
        if (c == NULL)
                c = find_bthid_command(cmd, hid_commands); 

        if (c == NULL) {
                fprintf(stdout, "Unknown command: \"%s\"\n", cmd);
                return (ERROR);
        }

        if (!help)
                e = (c->handler)(bdaddr, -- argc, ++ argv);
        else
                e = USAGE;

        switch (e) {
        case OK:
        case FAILED:
                break;

        case ERROR:
                fprintf(stdout, "Could not execute command \"%s\". %s\n",
                                cmd, strerror(errno));
                break;

        case USAGE:
                fprintf(stdout, "Usage: %s\n%s\n", c->command, c->description);
                break;

        default: assert(0); break;
        }

        return (e);
} /* do_bthid_command */

/* Try to find command in specified category */
static struct bthid_command *
find_bthid_command(char const *command, struct bthid_command *category)
{ 
        struct bthid_command    *c = NULL;
  
        for (c = category; c->command != NULL; c++) {
                char    *c_end = strchr(c->command, ' ');
  
                if (c_end != NULL) {
                        int     len = c_end - c->command;
 
                        if (strncasecmp(command, c->command, len) == 0)
                                return (c);
                } else if (strcasecmp(command, c->command) == 0)
                                return (c);
        }
  
        return (NULL);
} /* find_bthid_command */

/* Print commands in specified category */
static void
print_bthid_command(struct bthid_command *category)
{
        struct bthid_command    *c = NULL;
 
        for (c = category; c->command != NULL; c++)
                fprintf(stdout, "\t%s\n", c->command);
} /* print_bthid_command */

/* Usage */ 
static void
usage(void)
{
        fprintf(stderr,
"Usage: bthidcontrol options command\n" \
"Where options are:\n"
"       -a bdaddr       specify bdaddr\n" \
"       -c file         specify path to the bthidd config file\n" \
"       -H file         specify path to the bthidd HIDs file\n" \
"       -h              display usage and quit\n" \
"       -v              be verbose\n" \
"       command         one of the supported commands\n");
        exit(255);
} /* usage */