/*      $NetBSD: cfscores.c,v 1.22 2014/03/22 23:45:34 dholland Exp $   */

/*
 * Copyright (c) 1983, 1993
 *      The Regents of the University of California.  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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 */

#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
 The Regents of the University of California.  All rights reserved.");
#endif /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "@(#)cfscores.c  8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: cfscores.c,v 1.22 2014/03/22 23:45:34 dholland Exp $");
#endif
#endif /* not lint */

#include <sys/types.h>
#include <err.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "betinfo.h"
#include "pathnames.h"

static int dbfd;

static void printuser(const struct passwd *, int);

int
main(int argc, char *argv[])
{
        struct passwd *pw;
        uid_t uid;

        /* Revoke setgid privileges */
        setgid(getgid());

        if (argc > 2) {
                fprintf(stderr, "Usage: %s -a | %s [user]\n",
                        getprogname(), getprogname());
                exit(1);
        }
        dbfd = open(_PATH_SCORE, O_RDONLY);
        if (dbfd < 0)
                err(2, "open %s", _PATH_SCORE);
        setpwent();
        if (argc == 1) {
                uid = getuid();
                pw = getpwuid(uid);
                if (pw == NULL) {
                        errx(2, "You are not listed in the password file?!?");
                }
                printuser(pw, 1);
                exit(0);
        }
        if (strcmp(argv[1], "-a") == 0) {
                while ((pw = getpwent()) != NULL)
                        printuser(pw, 0);
                exit(0);
        }
        pw = getpwnam(argv[1]);
        if (pw == NULL) {
                errx(3, "User %s unknown", argv[1]);
        }
        printuser(pw, 1);
        exit(0);
}

/*
 * print out info for specified password entry
 */
static void
printuser(const struct passwd *pw, int printfail)
{
        struct betinfo total;
        off_t pos;
        ssize_t i;

        pos = pw->pw_uid * (off_t)sizeof(struct betinfo);
        /* test pos, not pw_uid; uid_t can be unsigned, which makes gcc warn */
        if (pos < 0) {
                warnx("Bad uid %d", (int)pw->pw_uid);
                return;
        }
        if (lseek(dbfd, pos, SEEK_SET) < 0) {
                warn("%s: lseek", _PATH_SCORE);
        }
        i = read(dbfd, &total, sizeof(total));
        if (i < 0)
                warn("read %s", _PATH_SCORE);
        if (i == 0 || total.hand == 0) {
                if (printfail)
                        printf("%s has never played canfield.\n", pw->pw_name);
                return;
        }
        printf("*----------------------*\n");
        if (total.worth >= 0)
                printf("* Winnings for %-8s*\n", pw->pw_name);
        else
                printf("* Losses for %-10s*\n", pw->pw_name);
        printf("*======================*\n");
        printf("|Costs           Total |\n");
        printf("| Hands       %8ld |\n", total.hand);
        printf("| Inspections %8ld |\n", total.inspection);
        printf("| Games       %8ld |\n", total.game);
        printf("| Runs        %8ld |\n", total.runs);
        printf("| Information %8ld |\n", total.information);
        printf("| Think time  %8ld |\n", total.thinktime);
        printf("|Total Costs  %8ld |\n", total.wins - total.worth);
        printf("|Winnings     %8ld |\n", total.wins);
        printf("|Net Worth    %8ld |\n", total.worth);
        printf("*----------------------*\n\n");
}