/* $Header$
 */

#include <stdio.h>
#include <strings.h>
#include <ctype.h>
#include <sys/time.h>
#include <moira.h>
#include <moira_site.h>
EXEC SQL INCLUDE sqlca;


#define WHO 11859		/* root */
#define PROG "stu-tape"

#define MAX_ID_VALUE	31999
#define MIN_ID_VALUE	101

/* File format is:

0-29	name
30-38	id number
50-54	school code
55-79   year
80-109  address
110-124 room
125-144 city
145-158 state
159-168 dorm phone
169-212 home address
213-232 home city
243-251 mit phone (?)
*/

#define LOC_NAME 0
#define LOC_ID 30
#define LOC_COURSE 50
#define LOC_YEAR 55
#define LOC_ADDRESS 80
#define LOC_DORM_ROOM 110
#define LOC_CITY 125
#define LOC_STATE 145
#define LOC_DPHONE 155
#define LOC_MPHONE 243

#define LEN_NAME 30
#define LEN_ID 9
#define LEN_COURSE 5
#define LEN_YEAR 25
#define LEN_ADDRESS 30
#define LEN_DORM_ROOM 15
#define LEN_CITY 20
#define LEN_STATE 10
#define LEN_DPHONE 12
#define LEN_MPHONE 12

struct entry {
    char *name;
    char *last;
    char *first;
    char *middle;
    char *title;
    char *id;
    char *eid;
    char *course;
    char *year;
    char *address;
    char *dorm;
    char *city;
    char *state;
    char *dphone;
    char *mphone;
    char *class;
};


char *whoami;
int newfinger = 0;


main(argc, argv)
int argc;
char **argv;
{
    FILE *in;
    struct entry *e, *get_next_entry();
    int i, wait = 0;
    char buf[BUFSIZ], *file = NULL;

    whoami = rindex(argv[0], '/');
    if (whoami)
      whoami++;
    else
      whoami = argv[0];

    for (i = 1; i < argc; i++) {
	if (!strcmp(argv[i], "-w"))
	  wait++;
	else if (!strcmp(argv[i], "-D"))
	  setenv("ING_SET", "set printqry");
	else if (!strcmp(argv[i], "-n"))
	  newfinger++;
	else if (file != NULL)
	  fprintf(stderr, "Usage: %s [-w] [-D] [-n] inputfile\n", whoami);
	else
	  file = argv[i];
    }

    in = fopen(file, "r");
    if (in == NULL) {
	fprintf(stderr, "Unable to open %s for input\n", file);
	exit(1);
    }

    setlinebuf(stdout);
    setlinebuf(stderr);

    EXEC SQL CONNECT moira;

    while (e = get_next_entry(in)) {
	process_entry(e);
	EXEC SQL COMMIT;
	if (wait) {
	    printf("Next");
	    fflush(stdout);
	    gets(buf);
	}
    }

    exit(0);
}


struct entry *get_next_entry(in)
FILE *in;
{
    static struct entry e;
    static char buf[BUFSIZ], eid[16], classbuf[10], titlebuf[12];
    static char name[LEN_NAME+1], id[LEN_ID+1], course[LEN_COURSE+1];
    static char year[LEN_YEAR+1], address[LEN_ADDRESS+1];
    static char dorm_room[LEN_DORM_ROOM+1], city[LEN_CITY+1];
    static char state[LEN_STATE+1], dphone[LEN_DPHONE+1], mphone[LEN_MPHONE+1];
    static char sname[LEN_NAME+1], title[128];
    static int nyear = 0;
    int ends_jr, ends_iii, ends_iv, ends_sr, ends_ii, ends_v;
    char *p;

    if (nyear == 0) {
	struct tm *tm;
	struct timeval tv;

	gettimeofday(&tv, NULL);
	tm = localtime(&tv.tv_sec);
	nyear = tm->tm_year;
	if (tm->tm_mon > 5)
	  nyear++;
    }

    if (fgets(buf, sizeof(buf), in) == NULL)
      return((struct entry *)NULL);

    strncpy(name, &buf[LOC_NAME], LEN_NAME); name[LEN_NAME] = 0;
    strncpy(id, &buf[LOC_ID], LEN_ID); id[LEN_ID] = 0;
    strncpy(course, &buf[LOC_COURSE], LEN_COURSE); course[LEN_COURSE] = 0;
    strncpy(year, &buf[LOC_YEAR], LEN_YEAR); year[LEN_YEAR] = 0;
    strncpy(address, &buf[LOC_ADDRESS], LEN_ADDRESS); address[LEN_ADDRESS] = 0;
    strncpy(dorm_room, &buf[LOC_DORM_ROOM], LEN_DORM_ROOM); dorm_room[LEN_DORM_ROOM] = 0;
    strncpy(city, &buf[LOC_CITY], LEN_CITY); city[LEN_CITY] = 0;
    strncpy(state, &buf[LOC_STATE], LEN_STATE); state[LEN_STATE] = 0;
    strncpy(dphone, &buf[LOC_DPHONE], LEN_DPHONE); dphone[LEN_DPHONE] = 0;
    strncpy(mphone, &buf[LOC_MPHONE], LEN_MPHONE); mphone[LEN_MPHONE] = 0;

    strcpy(sname, name);
    e.name = strtrim(sname);
    p = index(name, ',');
    if (p)
      *p = 0;
    e.last = strtrim(name);
    if (p) {
	p++;
	while (isspace(*p))
	  p++;
	e.first = p;	
	if (p = index(e.first, ' ')) {
	    *p = 0;
	    e.first = strtrim(e.first);
	    e.middle = strtrim(p + 1);
	} else {
	    e.first = strtrim(e.first);
	    e.middle = "";
	}
    } else {
	e.first = "";
	e.middle = "";
    }
    ends_jr = ends_iii = ends_iv = ends_sr = ends_ii = ends_v = 0;
    LookForSt(e.last);
    LookForO(e.last);
    LookForJrAndIII(e.last, &ends_sr, &ends_jr, &ends_iii, &ends_iv,
		    &ends_ii, &ends_v);
    LookForJrAndIII(e.first, &ends_sr, &ends_jr, &ends_iii, &ends_iv,
		    &ends_ii, &ends_v);
    FixCase(e.last);
    FixCase(e.first);
    FixCase(e.middle);

    e.id = id;
    e.id[LEN_ID] = 0;
    e.eid = eid;
    EncryptID(e.eid, e.id, e.first, e.last);

    e.year = strtrim(year);
    e.title = title;
    if (e.year[0] == 'G') {
	e.class = "G";
	sprintf(title, "Grad Student");
    } else {
	e.class = classbuf;
	sprintf(classbuf, "%d", nyear + 4 - atoi(e.year) + 1900);
	sprintf(title, "Undergrad (class of %s)", classbuf);
    }

    e.course = strtrim(course);
    e.address = strtrim(address);
    e.dorm = strtrim(dorm_room);
    e.city = strtrim(city);
    e.state = strtrim(state);
    e.dphone = strtrim(dphone);
    e.mphone = strtrim(mphone);
    return(&e);
}


process_entry(e)
struct entry *e;
{
    int changed, nochange, encrypted;
    char buf[BUFSIZ], *from, *to;
    EXEC SQL BEGIN DECLARE SECTION;
    char *first, *last, *eid, *title, *sid, *name, *rname, *rdept, *rtitle;
    char *rophone, *rhphone;
    char class[9], haddr[128], hphone[33], ophone[33], dept[33], raddr[128];
    int id, status;
    EXEC SQL END DECLARE SECTION;

    first = e->first;
    if (strlen(first) > 16)
      first[16] = 0;
    last = e->last;
    if (strlen(last) > 16)
      last[16] = 0;
    eid = e->eid;
    sid = e->id;
    id = 0;
    encrypted = 0;

/* Get user info */
    EXEC SQL SELECT users_id, type, home_addr, home_phone, office_phone, status, department
      INTO :id, :class, :haddr, :hphone, :ophone, :status, :dept
      FROM users
      WHERE last = :last and first = :first and clearid = :sid;
    if (id == 0) {
	EXEC SQL SELECT users_id, type, home_addr, home_phone, office_phone, status, department
	  INTO :id, :class, :haddr, :hphone, :ophone, :status, :dept
	  FROM users
	  WHERE last = :last and first = :first and clearid = :eid;
	encrypted++;
	if (id == 0) {
	    newuser(e);
	    return;
	}
    }

/* See if class changed: if it's different, and the value in the database
 * is not STAFF or SIPB, then update the database.  Since they were on the
 * students tape, make the account usable.
 */
    if (strcmp(e->class, strtrim(class)) &&
	strcmp(class, "STAFF") && strcmp(class, "SIPB")) {
	com_err(whoami, 0, "updating class for user %s %s from %s to %s",
		first, last, class, e->class);
	if (status == US_NOT_ALLOWED) status = US_NO_LOGIN_YET;
	if (status == US_ENROLL_NOT_ALLOWED) status = US_ENROLLED;
	strcpy(class, e->class);
	EXEC SQL UPDATE users
	  SET type = :class, status = :status, modtime = 'now',
	    modby = WHO, modwith = PROG
	  WHERE users_id = :id;   
    }

    /* Deal with updating the finger info if necessary */

    changed = nochange = 0;
    strcpy(buf, e->address);
    if (*e->dorm) {
	strcat(buf, " ");
	strcat(buf, e->dorm);
    }
    if (*e->city) {
	strcat(buf, " ");
	strcat(buf, e->city);
    }
    FixCase(buf);
    if (*e->state) {
	strcat(buf, " ");
	strcat(buf, e->state);
    }
    while (to = index(buf, ','))
      *to = ';';
    while (to = index(buf, ':'))
      *to = ';';
    if (newfinger) {
	if (haddr[0] == ' ') {
	    strncpy(haddr, buf, 80);
	    haddr[80] = 0;
	    changed++;
	} else if (strncmp(strtrim(haddr), buf, 80))
	  nochange++;
    } else {
	if (strncmp(strtrim(haddr), buf, 80))
	  changed++;
	strncpy(haddr, buf, 80);
	haddr[80] = 0;
    }
    from = e->dphone;
    to = buf;
    while (*from) {
	if (isdigit(*from))
	  *to++ = *from;
	from++;
    }
    *to = 0;
    if (newfinger) {
	if (hphone[0] == ' ') {
	    strncpy(hphone, buf, 16);
	    hphone[16] = 0;
	} else if (strncmp(strtrim(hphone), buf, 16))
	  nochange++;
    } else {
	if (strncmp(strtrim(hphone), buf, 16))
	  changed++;
	strncpy(hphone, buf, 16);
	hphone[16] = 0;
    }
    from = e->mphone;
    to = buf;
    while (*from) {
	if (isdigit(*from))
	  *to++ = *from;
	from++;
    }
    *to = 0;
    if (newfinger) {
	if (ophone[0] == ' ') {
	    strncpy(ophone, buf, 12);
	    ophone[12] = 0;
	} else if (strncmp(strtrim(ophone), buf, 12))
	  nochange++;
    } else {
	if (strncmp(strtrim(ophone), buf, 12))
	  changed++;
	strncpy(ophone, buf, 12);
	ophone[12] = 0;
    }
    e->course = e->course;
    if (newfinger) {
	if (dept[0] == ' ') {
	    strncpy(dept, e->course, 12);
	    dept[12] = 0;
	} else if (strncmp(strtrim(dept), e->course, 11))
	  nochange++;
    } else {
	if (strncmp(strtrim(dept), e->course, 11))
	  changed++;
	strncpy(dept, e->course, 12);
	dept[12] = 0;
    }
    sid = e->id;
    name = e->name;
    rdept = e->course;
    rtitle = e->title;
    rophone = e->mphone;
    rhphone = e->dphone;
    strcpy(raddr, e->address);
    if (*e->dorm) {
	strcat(raddr, " ");
	strcat(raddr, e->dorm);
    }
    strcat(raddr, "|");
    if (*e->city) {
	strcat(raddr, e->city);
	FixCase(raddr);
	if (*e->state) {
	    strcat(raddr, " ");
	    if (isupper(e->state[0]) && isupper(e->state[1]) &&
		isdigit(e->state[2]) && isdigit(e->state[3]) &&
		isdigit(e->state[4]) && isdigit(e->state[5]) &&
		isdigit(e->state[6])) {
		sprintf(buf, "%c%c  %s", e->state[0],e->state[1],
			&(e->state[2]));
		strcat(raddr, buf);
	    } else
	      strcat(raddr, e->state);
	}
    } else {
	FixCase(raddr);
	strcat(raddr, "MIT INTERDEPARTMENTAL MAIL");
    }
    if (changed) {
	com_err(whoami, 0, "updating finger for %s %s", first, last);
	EXEC SQL REPEATED UPDATE users
	  SET home_addr = :haddr, home_phone = :hphone,
	    office_phone = :ophone, department = :dept,
	    fmodtime = 'now', fmodby = WHO, fmodwith = PROG,
	    xname = :name, xdept = :rdept, xtitle = :rtitle,
	    xaddress = :raddr, xphone1 = :rhphone, xphone2 = :rophone,
	    xmodtime = date('now'), clearid = :sid
	  WHERE users_id = :id;
    }  else {
	EXEC SQL REPEATED UPDATE users
	  SET xname = :name, xdept = :rdept, xtitle = :rtitle,
	    xaddress = :raddr, xphone1 = :rhphone, xphone2 = :rophone,
	    xmodtime = date('now'), clearid = :sid
	  WHERE users_id = :id;
    }
}


newuser(e)
struct entry *e;
{
    char buf[512], *from, *to;
    EXEC SQL BEGIN DECLARE SECTION;
    int id, uid, who;
    char *last, *first, *class, *middle, login[9], *sid, fullname[65], *prog;
    char haddr[81], hphone[17], ophone[13], dept[24], *title, raddr[81], *name;
    EXEC SQL END DECLARE SECTION;

    who = WHO;
    prog = PROG;
    strcpy(buf, e->address);
    if (*e->dorm) {
	strcat(buf, " ");
	strcat(buf, e->dorm);
    }
    if (*e->city) {
	strcat(buf, " ");
	strcat(buf, e->city);
    }
    if (*e->state) {
	strcat(buf, " ");
	strcat(buf, e->state);
    }
    strncpy(haddr, buf, 80);
    from = e->dphone;
    to = buf;
    while (*from) {
	if (isdigit(*from))
	  *to++ = *from;
	from++;
    }
    *to = 0;
    strncpy(hphone, buf, 16);
    from = e->mphone;
    to = buf;
    while (*from) {
	if (isdigit(*from))
	  *to++ = *from;
	from++;
    }
    *to = 0;
    strncpy(ophone, buf, 12);
    strncpy(dept, e->course, 12);
    
    id = set_next_object_id("users_id", 0);
    uid = set_next_object_id("uid", 1);
    sprintf(login, "#%d", uid);
    last = e->last;
    first = e->first;
    middle = e->middle;
    sid = e->id;
    class = e->class;
    title = e->title;
    if (*middle)
      sprintf(fullname, "%s %s %s", first, middle, last);
    else
      sprintf(fullname, "%s %s", first, last);
    name = e->name;
    strcpy(raddr, e->address);
    if (*e->dorm) {
	strcat(raddr, " ");
	strcat(raddr, e->dorm);
    }
    strcat(raddr, "|");
    if (*e->city) {
	strcat(raddr, e->city);
	FixCase(raddr);
	if (*e->state) {
	    strcat(raddr, " ");
	    if (isupper(e->state[0]) && isupper(e->state[1]) &&
		isdigit(e->state[2]) && isdigit(e->state[3]) &&
		isdigit(e->state[4]) && isdigit(e->state[5]) &&
		isdigit(e->state[6])) {
		sprintf(buf, "%c%c  %s", e->state[0],e->state[1],
			&(e->state[2]));
		strcat(raddr, buf);
	    } else
	      strcat(raddr, e->state);
	}
    } else {
	FixCase(raddr);
	strcat(raddr, "MIT INTERDEPARTMENTAL MAIL");
    }
    EXEC SQL INSERT INTO users
      (login, users_id, uid, shell, last, first, middle, status,
       clearid, type, modtime, modby, modwith, fullname, home_addr,
       home_phone, office_phone, department, fmodtime, fmodby, fmodwith,
       potype, xname, xdept, xtitle, xaddress, xphone1, xphone2, xmodtime)
      VALUES (:login, :id, :uid, '/bin/csh', :last, :first, :middle, 0,
	      :sid, :class, 'now', :who, :prog, :fullname, :haddr, :hphone,
	      :ophone, :dept, 'now', :who, :prog, 'NONE', :name, :dept,
	      :title, :raddr, :hphone, :ophone, date('now'));
    com_err(whoami, 0, "adding user %s %s", e->first, e->last);
}


set_next_object_id(object, limit)
    char *object;
    int limit;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name;
    int rowcount, flag, value;
    EXEC SQL END DECLARE SECTION;

    name = object;
    EXEC SQL SELECT value INTO :value FROM numvalues WHERE name = :name;
    if (sqlca.sqlerrd[2] != 1) {
	EXEC SQL ROLLBACK;
	com_err(whoami, MR_INTERNAL, "values table inconsistancy");
	exit(1);
    }

    flag = 0;
    EXEC SQL SELECT :name INTO :flag FROM users WHERE :name = :value;
    if (sqlca.sqlerrd[2] == 0)
      flag = 0;
    while (flag) {
	value++;
	if (limit && value > MAX_ID_VALUE)
	    value = MIN_ID_VALUE;
	flag = 0;
	EXEC SQL SELECT :name INTO :flag FROM users WHERE :name = :value;
	if (sqlca.sqlerrd[2] == 0)
	  flag = 0;
    }

    value++;
    if (limit && value > MAX_ID_VALUE)
      value = MIN_ID_VALUE;
    EXEC SQL REPEATED UPDATE numvalues SET value = :value WHERE name = :name;
    return(value);
}