/*
 * This module implements the one-shot command mode of fc-shell.
 */

#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "limits.h"
#include "exitcodes.h"

extern int cmd_key_oneshot();
extern int cmd_keydown_oneshot();
extern int cmd_keyup_oneshot();
extern int cmd_poweroff();
extern int cmd_send_oneshot();
extern int cmd_sp_oneshot();
extern int cmd_str_oneshot();
extern int cmd_tchdl_oneshot();
extern int cmd_tgtreset();
extern int cmd_unterm_oneshot();

static struct cmdtab {
	char *cmd;
	int minargs;
	int maxargs;
	int (*func)();
} cmdtab[] = {
	{"key", 1, 1, cmd_key_oneshot},
	{"keydown", 1, 1, cmd_keydown_oneshot},
	{"keyup", 1, 1, cmd_keyup_oneshot},
	{"poweroff", 0, 0, cmd_poweroff},
	{"send", 1, MAX_PKT_TO_TARGET, cmd_send_oneshot},
	{"sp", 2, 2, cmd_sp_oneshot},
	{"str", 1, 1, cmd_str_oneshot},
	{"tch-dl", 1, 1, cmd_tchdl_oneshot},
	{"tgtreset", 0, 0, cmd_tgtreset},
	{"unterm", 1, 1, cmd_unterm_oneshot},
	{0, 0, 0, 0}
};

oneshot_command(argc, argv)
	char **argv;
{
	struct cmdtab *tp;

	if (!strncmp(argv[0], "AT", 2) || !strncmp(argv[0], "at", 2)) {
		if (argc != 1) {
			fprintf(stderr,
			"error: AT command must be a single argument\n");
			exit(ERROR_USAGE);
		}
		return oneshot_at_command(argv[0]);
	}
	for (tp = cmdtab; tp->cmd; tp++)
		if (!strcmp(tp->cmd, argv[0]))
			break;
	if (!tp->func) {
		fprintf(stderr,
			"error: \"%s\" is not a valid one-shot command\n",
			argv[0]);
		exit(ERROR_USAGE);
	}
	if (argc - 1 > tp->maxargs) {
		fprintf(stderr, "%s: too many arguments\n", tp->cmd);
		exit(ERROR_USAGE);
	}
	if (argc - 1 < tp->minargs) {
		fprintf(stderr, "%s: too few arguments\n", tp->cmd);
		exit(ERROR_USAGE);
	}
	return tp->func(argc, argv);
}