/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.end.c - version 1.0.3 */
/* $FreeBSD: src/games/hack/hack.end.c,v 1.4 1999/11/16 10:26:36 marcel Exp $ */
/* $DragonFly: src/games/hack/hack.end.c,v 1.5 2006/08/21 19:45:32 pavalos Exp $ */

#include "hack.h"
#define	Sprintf	(void) sprintf

#define	newttentry()	alloc(sizeof(struct toptenentry))
#define	NAMSZ	8
#define	DTHSZ	40
#define	PERSMAX	1
#define	POINTSMIN	1	/* must be > 0 */
#define	ENTRYMAX	100	/* must be >= 10 */
#define	PERS_IS_UID		/* delete for PERSMAX per name; now per uid */
struct toptenentry {
	struct toptenentry *tt_next;
	long int points;
	int level,maxlvl,hp,maxhp;
	int uid;
	char plchar;
	char sex;
	char name[NAMSZ+1];
	char death[DTHSZ+1];
	char date[7];		/* yymmdd */
} *tt_head;

static void		 done_intr(int);
static void		 done_hangup(int);
static void		 topten(void);
static void		 outheader(void);
static int		 outentry(int, struct toptenentry *, int);
static char		*itoa(int);
static const char	*ordin(int);

xchar maxdlevel = 1;

void
done1(int unused __unused)
{
	signal(SIGINT, SIG_IGN);
	pline("Really quit?");
	if (readchar() != 'y') {
		signal(SIGINT, done1);
		clrlin();
		fflush(stdout);
		if (multi > 0)
			nomul(0);
		return;
	}
	done("quit");
	/* NOTREACHED */
}

int done_stopprint;
int done_hup;

static void
done_intr(int unused __unused)
{
	done_stopprint++;
	signal(SIGINT, SIG_IGN);
	signal(SIGQUIT, SIG_IGN);
}

static void
done_hangup(int unused __unused)
{
	done_hup++;
	signal(SIGHUP, SIG_IGN);
	done_intr(0);
}

void
done_in_by(struct monst *mtmp)
{
	static char buf[BUFSZ];

	pline("You die ...");
	if (mtmp->data->mlet == ' ') {
		Sprintf(buf, "the ghost of %s", (char *)mtmp->mextra);
		killer = buf;
	} else if (mtmp->mnamelth) {
		Sprintf(buf, "%s called %s",
			mtmp->data->mname, NAME(mtmp));
		killer = buf;
	} else if (mtmp->minvis) {
		Sprintf(buf, "invisible %s", mtmp->data->mname);
		killer = buf;
	} else
		killer = mtmp->data->mname;
	done("died");
}

/*
 * called with arg "died", "drowned", "escaped", "quit", "choked",
 * "panicked", "burned", "starved" or "tricked"
 */
/* Be careful not to call panic from here! */
void
done(const char *st1)
{
#ifdef WIZARD
	if (wizard && *st1 == 'd') {
		u.uswldtim = 0;
		if (u.uhpmax < 0)	/* arbitrary */
			u.uhpmax = 100;
		u.uhp = u.uhpmax;
		pline("For some reason you are still alive.");
		flags.move = 0;
		if (multi > 0)
			multi = 0;
		else
			multi = -1;
		flags.botl = 1;
		return;
	}
#endif /* WIZARD */
	signal(SIGINT, done_intr);
	signal(SIGQUIT, done_intr);
	signal(SIGHUP, done_hangup);
	if (*st1 == 'q' && u.uhp < 1) {
		st1 = "died";
		killer = "quit while already on Charon's boat";
	}
	if (*st1 == 's')
		killer = "starvation";
	else if (*st1 == 'd' && st1[1] == 'r')
		killer = "drowning";
	else if (*st1 == 'p')
		killer = "panic";
	else if (*st1 == 't')
		killer = "trickery";
	else if (!strchr("bcd", *st1))
		killer = st1;
	paybill();
	clearlocks();
	if (flags.toplin == 1)
		more();
	if (strchr("bcds", *st1)) {
#ifdef WIZARD
		if (!wizard)
#endif /* WIZARD */
			savebones();
		if (!flags.notombstone)
			outrip();
	}
	if (*st1 == 'c')		/* after outrip() */
		killer = st1;
	settty(NULL);			/* does a clear_screen() */
	if (!done_stopprint)
		printf("Goodbye %s %s...\n\n", pl_character, plname);
	{
		long int tmp;
		tmp = u.ugold - u.ugold0;
		if (tmp < 0)
			tmp = 0;
		if (*st1 == 'd' || *st1 == 'b')
			tmp -= tmp / 10;
		u.urexp += tmp;
		u.urexp += 50 * maxdlevel;
		if (maxdlevel > 20)
			u.urexp += 1000 * ((maxdlevel > 30) ? 10 : maxdlevel - 20);
	}
	if (*st1 == 'e') {
		struct monst *mtmp;
		struct obj *otmp;
		int i;
		unsigned worthlessct = 0;
		boolean has_amulet = FALSE;

		killer = st1;
		keepdogs();
		mtmp = mydogs;
		if (mtmp) {
			if (!done_stopprint)
				printf("You");
			while (mtmp) {
				if (!done_stopprint)
					printf(" and %s", monnam(mtmp));
				if (mtmp->mtame)
					u.urexp += mtmp->mhp;
				mtmp = mtmp->nmon;
			}
			if (!done_stopprint)
				printf("\nescaped from the dungeon with %ld points,\n",
				    u.urexp);
		} else if (!done_stopprint)
			printf("You escaped from the dungeon with %ld points,\n",
			    u.urexp);
		for (otmp = invent; otmp; otmp = otmp->nobj) {
			if (otmp->olet == GEM_SYM) {
				objects[otmp->otyp].oc_name_known = 1;
				i = otmp->quan * objects[otmp->otyp].g_val;
				if (i == 0) {
					worthlessct += otmp->quan;
					continue;
				}
				u.urexp += i;
				if (!done_stopprint)
					printf("\t%s (worth %d Zorkmids),\n",
					       doname(otmp), i);
			} else if (otmp->olet == AMULET_SYM) {
				otmp->known = 1;
				i = (otmp->spe < 0) ? 2 : 5000;
				u.urexp += i;
				if (!done_stopprint)
					printf("\t%s (worth %d Zorkmids),\n",
					       doname(otmp), i);
				if (otmp->spe >= 0) {
					has_amulet = TRUE;
					killer = "escaped (with amulet)";
				}
			}
		}
		if (worthlessct)
			if (!done_stopprint)
				printf("\t%u worthless piece%s of coloured glass,\n",
				    worthlessct, plur(worthlessct));
		if (has_amulet)
			u.urexp *= 2;
	} else if (!done_stopprint)
		printf("You %s on dungeon level %d with %ld points,\n",
		       st1, dlevel, u.urexp);
	if (!done_stopprint)
		printf("and %ld piece%s of gold, after %ld move%s.\n",
		       u.ugold, plur(u.ugold), moves, plur(moves));
	if (!done_stopprint)
		printf("You were level %u with a maximum of %d hit points when you %s.\n",
		    u.ulevel, u.uhpmax, st1);
	if (*st1 == 'e' && !done_stopprint) {
		getret();	/* all those pieces of coloured glass ... */
		cls();
	}
#ifdef WIZARD
	if (!wizard)
#endif /* WIZARD */
		topten();
	if (done_stopprint)
		printf("\n\n");
	exit(0);
}

static void
topten(void)
{
	int uid = getuid();
	int rank, rank0 = -1, rank1 = 0;
	int occ_cnt = PERSMAX;
	struct toptenentry *t0, *t1, *tprev;
	const char *recfile = RECORD;
	const char *reclock = "record_lock";
	int sleepct = 300;
	FILE *rfile;
	int flg = 0;

#define	HUP     if (!done_hup)
	while (link(recfile, reclock) == -1) {
		HUP perror(reclock);
		if (!sleepct--) {
			HUP puts("I give up. Sorry.");
			HUP puts("Perhaps there is an old record_lock around?");
			return;
		}
		HUP printf("Waiting for access to record file. (%d)\n",
			   sleepct);
		HUP fflush(stdout);
		sleep(1);
	}
	if (!(rfile = fopen(recfile, "r"))) {
		HUP puts("Cannot open record file!");
		goto unlock;
	}
	HUP putchar('\n');

	/* create a new 'topten' entry */
	t0 = newttentry();
	t0->level = dlevel;
	t0->maxlvl = maxdlevel;
	t0->hp = u.uhp;
	t0->maxhp = u.uhpmax;
	t0->points = u.urexp;
	t0->plchar = pl_character[0];
	t0->sex = (flags.female ? 'F' : 'M');
	t0->uid = uid;
	strncpy(t0->name, plname, NAMSZ);
	(t0->name)[NAMSZ] = 0;
	strncpy(t0->death, killer, DTHSZ);
	(t0->death)[DTHSZ] = 0;
	strcpy(t0->date, getdate());

	/* assure minimum number of points */
	if (t0->points < POINTSMIN)
		t0->points = 0;

	t1 = tt_head = newttentry();
	tprev = 0;
	/* rank0: -1 undefined, 0 not_on_list, n n_th on list */
	for (rank = 1;;) {
		if (fscanf(rfile, "%6s %d %d %d %d %d %ld %c%c %[^,],%[^\n]",
			   t1->date, &t1->uid,
			   &t1->level, &t1->maxlvl,
			   &t1->hp, &t1->maxhp, &t1->points,
			   &t1->plchar, &t1->sex, t1->name, t1->death) != 11
		    || t1->points < POINTSMIN)
			t1->points = 0;
		if (rank0 < 0 && t1->points < t0->points) {
			rank0 = rank++;
			if (tprev == 0)
				tt_head = t0;
			else
				tprev->tt_next = t0;
			t0->tt_next = t1;
			occ_cnt--;
			flg++;	/* ask for a rewrite */
		} else
			tprev = t1;
		if (t1->points == 0)
			break;
		if (
#ifdef PERS_IS_UID
		    t1->uid == t0->uid &&
#else
		    strncmp(t1->name, t0->name, NAMSZ) == 0 &&
#endif /* PERS_IS_UID */
		    t1->plchar == t0->plchar && --occ_cnt <= 0) {
			if (rank0 < 0) {
				rank0 = 0;
				rank1 = rank;
				HUP printf("You didn't beat your previous score of %ld points.\n\n",
				    t1->points);
			}
			if (occ_cnt < 0) {
				flg++;
				continue;
			}
		}
		if (rank <= ENTRYMAX) {
			t1 = t1->tt_next = newttentry();
			rank++;
		}
		if (rank > ENTRYMAX) {
			t1->points = 0;
			break;
		}
	}
	if (flg) {		/* rewrite record file */
		fclose(rfile);
		if (!(rfile = fopen(recfile, "w"))) {
			HUP puts("Cannot write record file\n");
			goto unlock;
		}

		if (!done_stopprint)
			if (rank0 > 0) {
				if (rank0 <= 10)
					puts("You made the top ten list!\n");
				else
					printf("You reached the %d%s place on the top %d list.\n\n",
					    rank0, ordin(rank0), ENTRYMAX);
			}
	}
	if (rank0 == 0)
		rank0 = rank1;
	if (rank0 <= 0)
		rank0 = rank;
	if (!done_stopprint)
		outheader();
	t1 = tt_head;
	for (rank = 1; t1->points != 0; rank++, t1 = t1->tt_next) {
		if (flg)
			fprintf(rfile, "%6s %d %d %d %d %d %ld %c%c %s,%s\n",
			    t1->date, t1->uid,
			    t1->level, t1->maxlvl,
			    t1->hp, t1->maxhp, t1->points,
			    t1->plchar, t1->sex, t1->name, t1->death);
		if (done_stopprint)
			continue;
		if (rank > (int)flags.end_top &&
		    (rank < rank0 - (int)flags.end_around || rank > rank0 +
		    (int)flags.end_around)
		    && (!flags.end_own ||
#ifdef PERS_IS_UID
			t1->uid != t0->uid))
#else
			strncmp(t1->name, t0->name, NAMSZ)))
#endif /* PERS_IS_UID */
			continue;
		if (rank == rank0 - (int)flags.end_around &&
		    rank0 > (int)flags.end_top + (int)flags.end_around + 1 &&
		    !flags.end_own)
			putchar('\n');
		if (rank != rank0)
			outentry(rank, t1, 0);
		else if (!rank1)
			outentry(rank, t1, 1);
		else {
			int t0lth = outentry(0, t0, -1);
			int t1lth = outentry(rank, t1, t0lth);
			if (t1lth > t0lth)
				t0lth = t1lth;
			outentry(0, t0, t0lth);
		}
	}
	if (rank0 >= rank)
		if (!done_stopprint)
			outentry(0, t0, 1);
	fclose(rfile);
unlock:
	unlink(reclock);
}

static void
outheader(void)
{
	char linebuf[BUFSZ];
	char *bp;

	strcpy(linebuf, "Number Points  Name");
	bp = eos(linebuf);
	while (bp < linebuf + COLNO - 9)
		*bp++ = ' ';
	strcpy(bp, "Hp [max]");
	puts(linebuf);
}

/* so>0: standout line; so=0: ordinary line; so<0: no output, return lth */
static int
outentry(int rank, struct toptenentry *t1, int so)
{
	boolean quit = FALSE, dead = FALSE, starv = FALSE;
	char linebuf[BUFSZ];

	linebuf[0] = 0;
	if (rank)
		Sprintf(eos(linebuf), "%3d", rank);
	else
		Sprintf(eos(linebuf), "   ");
	Sprintf(eos(linebuf), " %6ld %8s", t1->points, t1->name);
	if (t1->plchar == 'X')
		Sprintf(eos(linebuf), " ");
	else
		Sprintf(eos(linebuf), "-%c ", t1->plchar);
	if (!strncmp("escaped", t1->death, 7)) {
		if (!strcmp(" (with amulet)", t1->death + 7))
			Sprintf(eos(linebuf), "escaped the dungeon with amulet");
		else
			Sprintf(eos(linebuf), "escaped the dungeon [max level %d]",
			    t1->maxlvl);
	} else {
		if (!strncmp(t1->death, "quit", 4)) {
			quit = TRUE;
			if (t1->maxhp < 3 * t1->hp && t1->maxlvl < 4)
				Sprintf(eos(linebuf), "cravenly gave up");
			else
				Sprintf(eos(linebuf), "quit");
		} else if (!strcmp(t1->death, "choked")) {
			Sprintf(eos(linebuf), "choked on %s food",
				(t1->sex == 'F') ? "her" : "his");
		} else if (!strncmp(t1->death, "starv", 5)) {
			Sprintf(eos(linebuf), "starved to death");
			starv = TRUE;
		} else {
			Sprintf(eos(linebuf), "was killed");
			dead = TRUE;
		}
		Sprintf(eos(linebuf), " on%s level %d",
		    (dead || starv) ? "" : " dungeon", t1->level);
		if (t1->maxlvl != t1->level)
			Sprintf(eos(linebuf), " [max %d]", t1->maxlvl);
		if (quit && t1->death[4])
			Sprintf(eos(linebuf), t1->death + 4);
	}
	if (dead) {
		Sprintf(eos(linebuf), " by %s%s",
		    (!strncmp(t1->death, "trick", 5) ||
		    !strncmp(t1->death, "the ", 4))
		    ? "" :
		    strchr(vowels, *t1->death) ? "an " : "a ",
		    t1->death);
	}
	Sprintf(eos(linebuf), ".");
	if (t1->maxhp) {
		char *bp = eos(linebuf);
		char hpbuf[10];
		int hppos;

		Sprintf(hpbuf, (t1->hp > 0) ? itoa(t1->hp) : "-");
		hppos = COLNO - 7 - strlen(hpbuf);
		if (bp <= linebuf + hppos) {
			while (bp < linebuf + hppos)
				*bp++ = ' ';
			strcpy(bp, hpbuf);
			Sprintf(eos(bp), " [%d]", t1->maxhp);
		}
	}
	if (so == 0)
		puts(linebuf);
	else if (so > 0) {
		char *bp = eos(linebuf);
		if (so >= COLNO)
			so = COLNO - 1;
		while (bp < linebuf + so)
			*bp++ = ' ';
		*bp = 0;
		standoutbeg();
		fputs(linebuf, stdout);
		standoutend();
		putchar('\n');
	}
	return (strlen(linebuf));
}

static char *
itoa(int a)
{
	static char buf[12];

	Sprintf(buf, "%d", a);
	return (buf);
}

static const char *
ordin(int n)
{
	int d1 = n % 10;

	return ((d1 == 0 || d1 > 3 || n / 10 == 1) ? "th" : (d1 == 1) ? "st" :
		(d1 == 2) ? "nd" : "rd");
}

void
clearlocks(void)
{
	int x;

	signal(SIGHUP, SIG_IGN);
	for (x = maxdlevel; x >= 0; x--) {
		glo(x);
		unlink(lock);	/* not all levels need be present */
	}
}

#ifdef NOSAVEONHANGUP
void
hangup(int unused __unused)
{
	signal(SIGINT, SIG_IGN);
	clearlocks();
	exit(1);
}
#endif /* NOSAVEONHANGUP */

char *
eos(char *s)
{
	while (*s)
		s++;
	return (s);
}

/* it is the callers responsibility to check that there is room for c */
void
charcat(char *s, char c)
{
	while (*s)
		s++;
	*s++ = c;
	*s = 0;
}

/*
 * Called with args from main if argc >= 0. In this case, list scores as
 * requested. Otherwise, find scores for the current player (and list them
 * if argc == -1).
 */
void
prscore(int argc, char **argv)
{
	char **players = NULL;
	int playerct;
	int rank;
	struct toptenentry *t1, *t2;
	const char *recfile = RECORD;
	FILE *rfile;
	int flg = 0;
	int i;
#ifdef nonsense
	long total_score = 0L;
	char totchars[10];
	int totcharct = 0;
#endif /* nonsense */
	int outflg = (argc >= -1);
#ifdef PERS_IS_UID
	int uid = -1;
#else
	char *player0;
#endif /* PERS_IS_UID */

	if (!(rfile = fopen(recfile, "r"))) {
		puts("Cannot open record file!");
		return;
	}

	if (argc > 1 && !strncmp(argv[1], "-s", 2)) {
		if (!argv[1][2]) {
			argc--;
			argv++;
		} else if (!argv[1][3] && strchr("CFKSTWX", argv[1][2])) {
			argv[1]++;
			argv[1][0] = '-';
		} else
			argv[1] += 2;
	}
	if (argc <= 1) {
#ifdef PERS_IS_UID
		uid = getuid();
		playerct = 0;
#else
		player0 = plname;
		if (!*player0)
			player0 = "hackplayer";
		playerct = 1;
		players = &player0;
#endif /* PERS_IS_UID */
	} else {
		playerct = --argc;
		players = ++argv;
	}
	if (outflg)
		putchar('\n');

	t1 = tt_head = newttentry();
	for (rank = 1;; rank++) {
		if (fscanf(rfile, "%6s %d %d %d %d %d %ld %c%c %[^,],%[^\n]",
			   t1->date, &t1->uid,
			   &t1->level, &t1->maxlvl,
			   &t1->hp, &t1->maxhp, &t1->points,
			   &t1->plchar, &t1->sex, t1->name, t1->death) != 11)
			t1->points = 0;
		if (t1->points == 0)
			break;
#ifdef PERS_IS_UID
		if (!playerct && t1->uid == uid)
			flg++;
		else
#endif /* PERS_IS_UID */
		for (i = 0; i < playerct; i++) {
			if (strcmp(players[i], "all") == 0 ||
			    strncmp(t1->name, players[i], NAMSZ) == 0 ||
			    (players[i][0] == '-' &&
			     players[i][1] == t1->plchar &&
			     players[i][2] == 0) ||
			    (digit(players[i][0]) && rank <= atoi(players[i])))
				flg++;
		}
		t1 = t1->tt_next = newttentry();
	}
	fclose(rfile);
	if (!flg) {
		if (outflg) {
			printf("Cannot find any entries for ");
			if (playerct < 1)
				printf("you.\n");
			else {
				if (playerct > 1)
					printf("any of ");
				for (i = 0; i < playerct; i++)
					printf("%s%s", players[i],
						(i < playerct - 1) ? ", " : ".\n");
				printf("Call is: %s -s [playernames]\n", hname);
			}
		}
		return;
	}

	if (outflg)
		outheader();
	t1 = tt_head;
	for (rank = 1; t1->points != 0; rank++, t1 = t2) {
		t2 = t1->tt_next;
#ifdef PERS_IS_UID
		if (!playerct && t1->uid == uid)
			goto outwithit;
		else
#endif /* PERS_IS_UID */
		for (i = 0; i < playerct; i++) {
			if (strcmp(players[i], "all") == 0 ||
			    strncmp(t1->name, players[i], NAMSZ) == 0 ||
			    (players[i][0] == '-' &&
			     players[i][1] == t1->plchar &&
			     players[i][2] == 0) ||
			    (digit(players[i][0]) && rank <=
			     atoi(players[i]))) {
outwithit:
				if (outflg)
					outentry(rank, t1, 0);
#ifdef nonsense
				total_score += t1->points;
				if (totcharct < sizeof(totchars) - 1)
					totchars[totcharct++] = t1->plchar;
#endif /* nonsense */
				break;
			}
		}
		free(t1);
	}
#ifdef nonsense
	totchars[totcharct] = 0;

	/*
	 * We would like to determine whether he is experienced. However, the
	 * information collected here only tells about the scores/roles that
	 * got into the topten (top 100?). We should maintain a .hacklog or
	 * something in his home directory.
	 */
	flags.beginner = (total_score < 6000);
	for (i = 0; i < 6; i++)
		if (!strchr(totchars, "CFKSTWX"[i])) {
			flags.beginner = 1;
			if (!pl_character[0])
				pl_character[0] = "CFKSTWX"[i];
			break;
		}
#endif /* nonsense */
}