#include <math.h>
#include <stdio.h>
#include <signal.h>
#include <unistd.h>

#include "db.h"
#include "match.h"
#include "externs.h"
#include "unused-arg.h"

void do_debug(dbref player, UNUSED_ARG(const char *cmd), const char *arg1, UNUSED_ARG(const char *arg2))
{
 dbref loc;
 struct match_data md;
 char buf[64];

 if (*arg1)
  { init_match(player,arg1,TYPE_ROOM,&md);
    match_here(&md);
    match_absolute(&md);
    loc = noisy_match_result(&md);
    if (loc == NOTHING) return;
  }
 else
  { loc = DBFETCH(player)->location;
  }
 if ((loc < 0) || (loc >= db_top))
  { notify(player,"Not a valid dbref.");
    return;
  }
 if (Typeof(loc) != TYPE_ROOM)
  { notify(player,"Not a room.");
    return;
  }
 if (!controls(player,loc))
  { notify(player,"Permission denied.");
    return;
  }
  { time_t t;
    double d;
    t = DBFETCH(loc)->sp.room.stamp;
    d = DBFETCH(loc)->sp.room.useval * pow(USEVAL_SCALE,curtm()-t);
    sprintf(&buf[0],"%g %.24s -> %g (%g)",DBFETCH(loc)->sp.room.useval,ctime(&t),d,exp(-d));
  }
 notify(player,&buf[0]);
}

struct object *dbfetch(int x)
{
 if ((x < 0) || (x >= db_top)) kill(getpid(),SIGABRT);
 return(db+x);
}