/*      $OpenBSD: cfscores.c,v 1.24 2018/08/24 11:31:17 mestre Exp $    */
/*      $NetBSD: cfscores.c,v 1.3 1995/03/21 15:08:37 cgd 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 <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

struct betinfo {
        long    hand;           /* cost of dealing hand */
        long    inspection;     /* cost of inspecting hand */
        long    game;           /* cost of buying game */
        long    runs;           /* cost of running through hands */
        long    information;    /* cost of information */
        long    thinktime;      /* cost of thinking time */
        long    wins;           /* total winnings */
        long    worth;          /* net worth after costs */
};

int dbfd;
char scorepath[PATH_MAX];

void    printuser(void);

int
main(int argc, char *argv[])
{
        const char *home;
        int ret;

        if (pledge("stdio rpath", NULL) == -1)
                err(1, "pledge");
        
        home = getenv("HOME");
        if (home == NULL || *home == '\0')
                err(1, "getenv");

        ret = snprintf(scorepath, sizeof(scorepath), "%s/%s", home,
            ".cfscores");
        if (ret < 0 || ret >= PATH_MAX)
                errc(1, ENAMETOOLONG, "%s/%s", home, ".cfscores");

        dbfd = open(scorepath, O_RDONLY);
        if (dbfd < 0)
                err(2, "%s", scorepath);

        printuser();
        return 0;
}

void
printuser(void)
{
        struct betinfo total;
        const char *name;
        int i;

        name = getlogin();
        if (name == NULL || *name == '\0')
                name = " ??? ";

        i = read(dbfd, (char *)&total, sizeof(total));
        if (i < 0) {
                warn("lseek %s", scorepath);
                return;
        }
        if (i == 0 || total.hand == 0) {
                printf("%s has never played canfield.\n", name);
                return;
        }
        i = strlen(name);
        printf("*----------------------*\n");
        if (total.worth >= 0) {
                if (i <= 8)
                        printf("* Winnings for %-8s*\n", name);
                else {
                        printf("*     Winnings for     *\n");
                        if (i <= 20)
                                printf("* %20s *\n", name);
                        else
                                printf("%s\n", name);
                }
        } else {
                if (i <= 10)
                        printf("* Losses for %-10s*\n", name);
                else {
                        printf("*      Losses for      *\n");
                        if (i <= 20)
                                printf("* %20s *\n", name);
                        else
                                printf("%s\n", 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");
}