#!/usr/bin/perl -w

use DBI;
use CGI ':all';
#use Text::Query;
use strict;
use Time::Local;
use POSIX qw(locale_h);
use locale;
open STDERR, ">errors1";
my $printqueries=0;
my %forbidden=();
my $debug=0; #added by R7
if (param('debug')) {$debug=1; $printqueries=1}
*STDERR=*STDOUT if $debug;
my %fieldname= (0,'Question', 1, 'Answer', 2, 'Comments', 3, 'Authors', 4, 'Sources');
my %rusfieldname=('Question','Вопрос', 'Answer', 'Ответ', 
                  'Comments', 'Комментарии', 'Authors', 'Автор', 
                  'Sources', 'Источник','old','Старый','rus','Новый');
my %searchin;
my $rl=qr/[йцукенгшщзхъфывапролджэячсмитьбюё]/;
my $RL=qr/[ЙЦУКЕНГШЩЗХЪЭЖДЛОРПАВЫФЯЧСМИТЬБЮЁ]/;
my $RLrl=qr/(?:(?:${rl})|(?:${RL}))+/;
my $l=qr/(?:(?:${RLrl})|(?:[\w\-]))+/;
my $Ll=qr/(?:[A-Z])|(?:${RL})/;
my %metodchar=('rus',1,'old',2);



my $thislocale;

$searchin{$_}=1 foreach param('searchin');
my %TypeName=('children'=>'Д', 'game'=>'И',
              'chgk'=>'Ч', 'brain'=>'Б', 'beskrylka'=>'Л','ehruditka'=>'Э');



my $all=param('all');
$all=0 if lc $all eq 'no';
my ($PWD) = `pwd`;
chomp $PWD;
my ($SRCPATH) = "$PWD/../dimrub/src";
my ($ZIP) = "/home/piataev/bin/zip";
my $DUMPFILE = "/tmp/chgkdump";
my ($SENDMAIL) = "/usr/sbin/sendmail";
my ($TMPDIR) = "/tmp";
my ($TMSECS) = 30*24*60*60;
my (%RevMonths) =
	('Jan', '0', 'Feb', '1', 'Mar', '2', 'Apr', '3', 'May', '4', 'Jun', '5',
	'Jul', '6', 'Aug', '7', 'Sep', '8', 'Oct', '9', 'Nov', '10',
	'Dec', '11',
	 'Янв', '0', 'Фев', 1, 'Мар', 2, 'Апр', 3, 'Май', '4',
	 'Июн', '5', 'Июл', 6, 'Авг', '7', 'Сен', '8',
	 'Окт', '9', 'Ноя', '19', 'Дек', '11');
my @months=('000','Jan',"Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct",
          "Nov","Dec");


# Determine whether the given time is within 2 months from now.
sub NewEnough {
	my ($a) = @_;
	my ($year, $month, $day) = split('-', $a);

	return (time - timelocal(0, 0, 0, $day, $month -1, $year) < $TMSECS);
}

# Reads one question from the DB. Gets DB handler and Question ID.
sub GetTournament {
	my ($dbh, $Id) = @_;
	my (%Tournament, $field, @arr);

	return %Tournament if ($Id == 0);

	my ($sth) = $dbh->prepare("SELECT * FROM Tournaments WHERE Id=$Id");
	$sth->execute;

	@arr = $sth->fetchrow;
	my($i, $name) = 0;
	foreach $name (@{$sth->{NAME}}) {
		$Tournament{$name} = $arr[$i++];
	}
        $sth->finish;
	return %Tournament;
}

# Reads one question from the DB. Gets DB handler and Question ID.
sub GetQuestion {
	my ($dbh, $QuestionId) = @_;
	my (%Question, $field, @arr);

	my($sth) = $dbh->prepare("
		SELECT * FROM Questions WHERE QuestionId=$QuestionId
	");

	$sth->execute;

	@arr = $sth->fetchrow;
	my($i, $name) = 0;
	foreach $name (@{$sth->{NAME}}) {
		$Question{$name} = $arr[$i++];
	}

        $sth->finish;
	return %Question;
}

# Gets numbers of all the questions from the given tour.
sub GetTourQuestions {
	my ($dbh, $ParentId) = @_;
	my (@arr, @Questions);

	my ($sth) = $dbh->prepare("SELECT QuestionId FROM Questions
		WHERE ParentId=$ParentId");

	$sth->execute;

	while (@arr = $sth->fetchrow) {
		push @Questions, $arr[0];
	}

        $sth->finish;
	return @Questions;
}

# Returns list of children of the given tournament.
sub GetTours {
	my ($dbh, $ParentId) = @_;
	my (@arr, @Tours);

	my ($sth) = $dbh->prepare("SELECT Id FROM Tournaments
		WHERE ParentId=$ParentId ORDER BY Id");

	$sth->execute;

	while (@arr = $sth->fetchrow) {
		push @Tours, $arr[0];
	}
        $sth->finish;
	return @Tours;
}

sub count
{
  my ($dbh,$word)=@_; 
print "timeb=".time.br if $debug;
  $word=$dbh->quote(uc $word);
  my $query="SELECT number from nests,nf where $word=w1 AND w2=nf.id";
  my $sth=$dbh->prepare($query);
  $sth->execute;
  my @a=$sth->fetchrow;
print "timee0=".time.br if $debug;
  $sth->finish;
  $a[0]||0;
}


sub printform
{

  my $submit=submit(-value=>'Поиск');
  my $inputstring=textfield(-name=>'sstr',
                         -default=>param('sstr')||'',
                         -size=>30,
                         -maxlength=>50);
  my $qnumber="Выводить по".br. textfield(-name=>'kvo',
                         -default=>param('kvo')||'150',
                         -size=>3,
                         -maxlength=>5). br."вопросов";

  my @df=keys %searchin;
  @df=('Question', 'Answer') unless @df;
  my $fields=checkbox_group('searchin',['Question','Answer','Comments','Authors','Sources'], [@df],
             'false',\%rusfieldname);

  my $metod=radio_group(-name=>'metod',-values=>['old','rus'],
                       -default=>(param('metod')||'rus'),
                       -labels=>\%rusfieldname);
  my $all=radio_group(-name=>'all',-values=>['yes','no'],
                       -default=>(param('all')||'no'),
                       -labels=>{'yes'=>'Все','no'=>'Любое'});

#################################################
return   start_form(-method=>'get',
                       -action=>url,
                       -enctype=>
                "application/x-www-form-urlencoded"
).br.
table(Tr
(
  td({-valign=>'TOP'},$inputstring.$submit.p."Метод: $metod".p."Слова: $all"),
  td({-valign=>'TOP'},('&nbsp;'x 8).'Поля:'),
  td({-valign=>'TOP'},$fields), td("&nbsp;"x5),
  td({-valign=>'TOP'},$qnumber)
) 
)
 
#$fields.
#$inputstring.$submit.br.$metod.$all
.endform
.hr

}

sub proxy
{
#print "time0=".time.br if $debug;
      my ($dbh,$ptext,$allnf)=@_;
      my $text=$$ptext;
      $text=~tr/ёЁ/еЕ/;
      $text=~s/(${RLrl})p(${RLrl})/$1p$2/gom;
      $text=~s/p(${RLrl})/р$1/gom;
      $text=~s/(${RLrl})p/$1р/gom;
      $text=~s/\s+/ /gmo;
      $text=~s/[^йцукенгшщзхъфывапролджэячсмитьбюЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮQWERTYUIOPASDFGHJKLZXCVBNM0-9]/ /g;
      $text=uc $text;
      my @list= $text=~m/(?:(?:${RLrl})+)|(?:[A-Za-z0-9]+)/gom;
      my (%c, %good,$sstr);
      foreach (@list)
      {
           $c{$_}=count($dbh,$_)||10000;
      }
      my @words=sort {$c{$a}<=> $c{$b}} @list;

#      $good{$words[$_]}=1 foreach 0..4;

      foreach (@words)
      {
         $good{$_}=1 if $c{$_}<200;
      }

      $good{$words[$_]}=0 foreach 16..$#words;

#      foreach (@list)
#      {
#        if ($good{$_})
#        {
#           $good{$_}=0;
#           $sstr.=" $_";
#        }
#      }
      $sstr.=" $_" foreach grep {$good{$_}} @list;
print "time05=".time.br if $debug;
      $$ptext=$sstr;
      return russearch($dbh,$sstr,0,$allnf);
}


sub russearch {
            my ($dbh, $sstr, $all,$allnf)=@_;
            my (@qw,@w,@tasks,$qw,@arr,$nf,$sth,@nf,$w,$where,$e,@where,%good,$i,%where,$from);
            my($number,@good,$t,$task,@rho,$rank,%rank,$r2,$r1,$word,$n,@last,$good,@words,%number,$taskid);
            my ($hi, $lo, $wordnumber,$query,$blob,$field,$sf,$ii);
            my @frequence;
            my (@arr1,@ar,@sf,@arr2);
	    my %tasks;
	    my $tasks;
	    my @verybad;
	    my %nf;
            my %tasksof;
            my %wordsof;
            my %relevance;
            my @blob;
            my %count;

$sstr=~tr/йцукенгшщзхъфывапролджэячсмитьбю/ЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ/;
    	    @qw=@w =split (' ', uc $sstr);

#-----------
            foreach $i (0..$#w) # заполняем массив @nf начальных форм
                           # $nf[$i] -- ссылка на массив возможных
                           # начальных форм словоформы $i
            {
                $qw= $dbh->quote (uc $w[$i]);
                $query="  select distinct w2 from nests
                                where w1=$qw";
print "$query",br if $printqueries;
                $sth=$dbh -> prepare($query);
	        $sth -> execute;
	        @{$nf[$i]}=();
	        while (@arr = $sth->fetchrow)
	        {
	           push (@{$nf[$i]},$arr[0])
	        }
                $sth->finish;
            }


            my @bad=grep {!@{$nf[$_]}} 0..$#w; # @bad -- номера словоформ,
                                           # которых нет в словаре

            if (@bad) #есть неопознанные словоформы
            {
               require  "cw.pl";
               foreach $i(@bad)
               {
                 if (@arr=checkword($dbh,$w[$i]))
                   {push (@{$nf[$i]}, @arr);}
                 else
                   {push (@verybad,$i);}
               }
            }
            return () if ($all && @verybad);


            my $kvo=0;
            push @$allnf, @{$_} foreach @nf;
	    print "nf=@$allnf" if $printqueries;

            foreach $i (0..$#w) #запросы в базу...
            {
              @arr=@{$nf[$i]} if $nf[$i];
              @arr2=@arr1=@arr;




              $_= " word2question.word=".$_. ' ' foreach @arr;
              $_= " nf.id=".$_. ' ' foreach @arr1;
#              @arr=(0) unless @arr;
              $query="select questions from word2question where". (join ' OR ', @arr);
print STDERR "!$query\n",br if $printqueries;

    	      $sth=$dbh -> prepare($query);
              $sth->execute;

              @blob=();
              while (@arr=$sth->fetchrow)
              {
                @blob=(@blob,unpack 'C*',$arr[0]);
              }
              $sth->finish;
              $query="select number from nf where ".(join ' OR ', @arr1);
print "$query\n",br if $printqueries;
    	      $sth=$dbh -> prepare($query);
              $sth->execute;

              while (@arr=$sth->fetchrow)
              {
                $frequence[$i]+=$arr[0];
              }
              $sth->finish;


              if (@blob < 4)
              {
                 $tasksof{$i}=undef;
              } else
              {
                 $kvo++;
                 $ii=0;
                 while ($ii<$#blob)  # создаём хэш %tasksof, ключи которого --
                             # номера искомых словоформ, а значения --
                             # списки вопросов, в которых есть соответствующа
                             # словоформа.
                             # Каждый список в свою очередь также оформлен в
                             # виде хэша, ключи которого -- номера вопросов,
                             # а значения -- списки номеров вхождений. Вот.
                 {
                    ($field,$lo,$hi,$wordnumber)=@blob[$ii..($ii+3)];
                    $ii+=4;
                    my $addnumber=($field >> 4) << 16;
                    $number=(($field >> 4) << 16)+($hi << 8) + $lo;
                    $field=$fieldname{$field & 0xF};
                    if ($searchin{$field})
                    {
                      push @{$tasksof{$i}{$number}}, $wordnumber;
                                      # дополнили в хэше, висящем на
                                      # словоформе $i в %tasksof список
                                      # вхождений $i в вопрос $number.
                      push @{$wordsof{$number}{$i}}, $wordnumber;
                                      # дополнили в хэше, висящем на
                                      # вопросе $number в %wordsof список
                                      # вхождений $i в вопрос $number.


                    }
                 }  #while ($ii<$#blob)
               }
            }    #foreach $i

#print "keys tasksof", join ' ', keys %{$tasksof{0}};
#Ищем пересечение или объединение списков вопросов (значений %tasksof)
       	    foreach $sf (keys %tasksof)
           {
              $count{$_}++ foreach keys %{$tasksof{$sf}};
           }
             @tasks= ($all ? (grep {$count{$_}==$kvo} keys %count) :
                             keys %count) ;


print "\n\$#tasks=",$#tasks,br if $printqueries;
############ Сортировка найденных вопросов

foreach (keys %wordsof)
{
  $relevance{$_}=&relevance($#w,$wordsof{$_},\@frequence) if $_
}

@tasks=sort {$relevance{$b}<=>$relevance{$a}} @tasks;


############

print "tasks=@tasks" if $printqueries;

#print "$_ $relevance{$_} | " foreach @tasks;
#print br;
print "allnf=@$allnf",br if $printqueries;
        return  @tasks;
}


sub distance  {
                 # на входе -- номера словоформ и ссылки на
                 # списки вхождений. На выходе -- расстояние,
                 # вычисляемое по формуле min(|b-a-pb+pa|)
                 #                       pb,pa
                 # (pb и pa -- позиции слов b и a)
   my ($a,$b,$lista,$listb)=@_;
   my ($pa,$pb,$min,$curmin);
   $min=10000;
   foreach $pa (@$lista)
   {
     foreach $pb (@$listb)
     {
        $curmin=abs($b-$a-$pb+$pa);
        $min= $curmin if $curmin<$min;
     }
   }
   return $min;

}

sub relevance {
              # На входе -- количество искомых словоформ -1 и
              # ссылка на hash, ключи которого --
              # номера словоформ, а значения -- списки вхождений

       my ($n,$words,$frequence)=@_;
       my $relevance=0;
       my ($first,$second,$d);
       foreach $first (0..$n)
       {
         $relevance+=scalar @{$$words{$first}}+1000+1000/$$frequence[$first]
if $$words{$first};
         foreach $second ($first+1..$n)
         {
            $d=&distance($first,$second,$$words{$first},$$words{$second});
            $relevance+=($d>10?0:10-$d)*10;
         }
       }
       return $relevance;
}



# Returns list of QuestionId's, that have the search string in them.
sub Search {
	my ($dbh, $s,$metod,$all,$allnf) = @_;
	my $sstr=$$s;
	my (@arr, @Questions, @fields);
	my (@sar, $i, $sth,$where,$query);
#	my $ip=$ENV{'REMOTE_ADDR'};

#        $ip=$dbh->quote($ip);
#	$query=
#          "INSERT into queries (query,metod,searchin,ip)
#                    values (". $dbh->quote($sstr).', '.
#                    $dbh->quote($metod) . ', ' .
#                    $dbh->quote(join ' ', grep $searchin{$_}, keys %searchin)  . 
#              ", $ip)";
#print $query if $printqueries;
#        $dbh -> do ($query);
	if ($metod eq 'rus')
	{
	     my @tasks=russearch($dbh,$sstr,$all,$allnf);
	     return @tasks
	}
	elsif ($metod eq 'proxy')
	{
#	  $searchin{'question'}=1;
#	  $searchin{'answer'}=1;
	  my @task=proxy($dbh,$s,$allnf);
#	  $$s=$sstr;
	  return @task
	}



###Simple and advanced query processing. Added by R7
	if ($metod eq 'simple' || $metod eq 'advanced')
	{
          foreach (qw/Question Answer Sources Authors Comments/) {
		if (param($_)) {
			push @fields, $_;
		}
	   }

	   @fields=(qw/Question Answer Sources Authors Comments/) unless scalar @fields;
	   my $fields=join ",", @fields;
           my $q=new Text::Query($sstr,
                 -parse => 'Text::Query::'.
                   (($metod eq 'simple') ? 'ParseSimple':'ParseAdvanced'),
                 -solve => 'Text::Query::SolveSQL',
                 -build => 'Text::Query::BuildSQLMySQL',
                 -fields_searched => $fields);

           $where=	$$q{'matchexp'};
           $query= "SELECT Questionid FROM Questions
                WHERE $where";
           print br."Query is: $query".br if $debug;

           $sth = $dbh->prepare($query);
         } else
######
         {

#	  foreach (qw/Question Answer Sources Authors Comments/) {
	  foreach (param('searchin')) {
#		if (param($_)) {
			push @fields, "IFNULL($_, '')";
#		}
	  }
	  @sar = split " ", $sstr;
	  for $i (0 .. $#sar) {
		$sar[$i] = $dbh->quote("%${sar[$i]}%");
	  }

	  my($f) = "CONCAT(" . join(',', @fields) . ")";
	  if (param('all') eq 'yes') {
		$sstr = join " AND $f LIKE ", @sar;
	  } else {
		$sstr = join " OR $f LIKE ", @sar;
    	  }

   my $query;
               $query="SELECT QuestionId FROM Questions
		WHERE $f LIKE $sstr ORDER BY QuestionId";


print $query if $printqueries;
	  $sth = $dbh->prepare($query)
	} #else -- processing old-style query (R7)

	$sth->execute;
	while (@arr = $sth->fetchrow) {
		push @Questions, $arr[0] unless $forbidden{$arr[0]};
	}
        $sth->finish;
print "@Questions" if $printqueries;
	return @Questions;
}

 # Substitute every letter by a pair (for case insensitive search).
 my (@letters) = qw/аА бБ вВ гГ дД еЕ жЖ зЗ иИ йЙ кК лЛ мМ нН оО
 пП рР сС тТ уУ фФ хХ цЦ чЧ шШ щЩ ьЬ ыЫ эЭ юЮ яЯ/;

sub NoCase {
	my ($sstr) = shift;                   	
	my ($res);

	if (($res) = grep(/$sstr/, @letters)) {
		return "[$res]";
	} else {
		return $sstr;
	}
}

sub PrintList {
   my ($dbh,$Questions,$shablon,$was)=@_;

	my $first=param('first') ||1;
	my $kvo=param('kvo') ||150;

	$first=$first-($first-1)%$kvo;
	my $last=$first+$kvo-1;
	$last=scalar @$Questions if scalar @$Questions <$last;
        my($f,$l);
        my $nav='';
        my $qs=query_string;
	$qs=~s/\;/\&/g;
        $qs=~s/\&first\=[^\&]+//g;
        my $sstr=param('sstr');
        $qs=~s/sstr=[^\&]+/sstr=$sstr/;
        $qs=~s/\&was=[^\&]+//;
        $qs.="&was=$was";
        if ($first>$kvo*3+1)
        {
           $nav.=
            ("&nbsp;"x4).
            a({href=>url."?".$qs."\&first=1"},"<<").("&nbsp;"x4).
            a({href=>(url."?".$qs."\&first=".($first-$kvo))},"<").("&nbsp;"x4)
	        }

        else {$nav.='&nbsp;'x15;}

     my ($fprint,$lprint);
     my $llprint=$#$Questions- ($#$Questions+1)%$kvo+2;
     if ($#$Questions+1<=$kvo*7)
     {         $fprint=1;
               $lprint=$llprint;
     }
     elsif ($first>$kvo*3 && $#$Questions+1-$first>$kvo*3)
     {
       $fprint=$first-$kvo*3;
       $lprint=$first+$kvo*3;
     } 
     elsif  ($first<=$kvo*3)
     {
        $fprint=1; $lprint=6*$kvo+1;
     }
     else
     { 
           $lprint=$llprint;
           $fprint=$lprint-$kvo*6
     }
         
#        my $fprint=($first>$kvo*3) ? $first-$kvo*3 : 1;
#        my $lprint=$#$Questions+1-$fprint>$kvo*7 ? $kvo*7 :$#$Questions+1;
#        if ($lprint-$fprint<$kvo*6 && $fprint>1)
#        {
#            $fprint=$lprint-$kvo*6;
#            $fprint=1 if ($fprint<=0) 
#        }



        for($f=$fprint; $f<=$lprint; $f+=$kvo)
	{
#	  next if $first-$f>$kvo*3;
	  $l=$f+$kvo-1;
	  $l=$#$Questions+1 if $l>$#$Questions+1;
	  if ($f==$first) {$nav.="[$f-$l] ";}
	  else {
                  $nav.= "[".a({href=>(url."?".$qs."\&first=$f")},"$f-$l")."] ";}
	}
        if ($lprint+$kvo<$#$Questions)
        {
           $nav.=
            ("&nbsp;"x4).
            a({href=>(url."?".$qs."\&first=".($first+$kvo))},">").("&nbsp;"x4).
            a({href=>url."?".$qs."\&first=$llprint"},">>").("&nbsp;"x4)
        }


	print "$nav".br."\n";
	for (my $i = $first; $i <= $last; $i++) {
		my $output = &PrintQuestion($dbh, $$Questions[$i-1], 1, 0, 1);
                if (param('metod') eq 'rus' || param('metod') eq 'proxy')
                {
	             $output=~s/\b($shablon)\b/\<strong\>$1\<\/strong\>/gi;
	        } else {
	             $output=~s/($shablon)/\<strong\>$1\<\/strong\>/gi;
		}
		print $output;
	}


	print "$nav".br."\n";

}

sub PrintSearch {
	my ($dbh, $sstr, $metod,$was) = @_;
	my $t=time;
	print h2("Поиск в базе вопросов");
	print printform;
	my @allnf;
	my @Questions;
	if ($was)
	{
	  my $sth=$dbh->prepare ("select sstr,questions,allnf from lastqueries where id=".param('was'));
          $sth->execute;
          my ($q,$nf);
	  ($sstr, $q,$nf)=($sth->fetchrow);
          @Questions=unpack 'L*',$q; 
          @allnf=unpack 'L*',$nf;        
          $sth->finish;
        } else 
        {
             @Questions=&Search($dbh, \$sstr,$metod,$all,\@allnf);
             my $tmp=$dbh->quote(pack("L*",@Questions));
             my $qsstr=$dbh->quote($sstr);
             my $nf=$dbh->quote(pack("L*", @allnf));
             my $ss=200;
             do 
             {
               $was=int rand(32000);
             }
             while (--$ss && (!$dbh->do ("insert into lastqueries (id,sstr,questions,allnf) 
                         values ($was, $qsstr,$tmp,$nf)")));
             print "Something is wrong...".br unless $ss;
        }



	print p. "Время поиска: " . (time-$t) ." сек.".p;
	my ($output, $i, $suffix, $hits) = ('', 0, '', $#Questions + 1);

        my $shablon;
        $metod='rus' if $metod eq 'proxy';
        if ($metod eq 'rus')
        {
           my $where='0';
           $where.= " or w2=$_ " foreach @allnf;
           my $query="select w1 from nests where $where";
           my $sth=$dbh->prepare($query);
print "$query" if $printqueries;

	   $sth->execute;
	   my @shablon;
	   while (my @arr = $sth->fetchrow)
	   {
	     push @shablon,"(?:$arr[0])";
	   }
	   $sth->finish;
           $shablon= join "|", @shablon;
           $shablon=~s/[её]/\[ЕЁ\]/gi;
#           $shablon=~s/([йцукенгшщзхъфывапролджэячсмитьбюЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ])/&NoCase($1)/ge;
           $shablon=qr/$shablon/i;
           print "!$shablon!",br if $printqueries;

        }



	if ($hits =~ /1.$/  || $hits =~ /[5-90]$/) {
		$suffix = 'й';
	} elsif ($hits =~ /1$/) {
		$suffix = 'е';
	} else {
		$suffix = 'я';
	}

	print p({align=>"center"}, "Результаты поиска на " . strong($sstr)
	. " : $hits попадани$suffix.");

	if (param('word')) {
		$sstr = '[ 	\.\,:;]' . $sstr . '[  \.\,:\;]';
	}

	$sstr =~ s/(.)/&NoCase($1)/ge;

	my @sar;
	if ($metod ne 'rus') 
	{
	  (@sar) = split(' ', $sstr);
	  $shablon=join "|",@sar;
	}
	PrintList($dbh,\@Questions,$shablon,$was);
}

sub PrintRandom {
   my ($dbh, $type, $num, $text) = @_;
   my (@Questions) = &Get12Random($dbh, $type, $num);
	my ($output, $i) = ('', 0);

	if ($text) {
		$output .= "	$num случайных вопросов.\n\n";
	} else {
		$output .=
			h2({align=>"center"}, "$num случайных вопросов.");
	}

	for ($i = 0; $i <= $#Questions; $i++) {
		# Passing DB handler, question ID, print answer, question
		# number, print title, print text/html
		$output .=
			&PrintQuestion($dbh, $Questions[$i], 1, $i + 1, 0, $text);
	}
	return $output;
}

sub PrintEditor {
       my $t=shift; #ссылка на Хэш с полями
       my $ed=$$t{'Editors'};
       my $edname=($ed=~/\,/ ) ? "Редакторы"  : "Редактор" ;
       return $ed? h4({align=>"center"},"$edname: $ed" ): '';
}

sub PrintTournament {
   my ($dbh, $Id, $answer) = @_;
	my (%Tournament, @Tours, $i, $list, $qnum, $imgsrc, $alt,
		$SingleTour);
	my ($output) = '';

	%Tournament = &GetTournament($dbh, $Id) if ($Id);

	my ($URL) = $Tournament{'URL'};
	my ($Info) = $Tournament{'Info'};
	my ($Copyright) = $Tournament{'Copyright'};
	my $fname=$Tournament{'FileName'};
	@Tours = &GetTours($dbh, $Id);
	$list='';
	my $textid;
	if ($Id) {
		for ($Tournament{'Type'}) {
			/Г/ && do {
				$output .= h2({align=>"center"},
					      "Группа: $Tournament{'Title'} ",
					      "$Tournament{'PlayedAt'}") . p . "\n";
				last;
			};
			/Ч/ && do {
				return &PrintTour($dbh, $Tours[0], $answer)
					if ($#Tours == 0);

				my $title="Пакет: $Tournament{'Title'}";
				if ($Tournament{'PlayedAt'}) {
				    $title .= " $Tournament{'PlayedAt'}";
				}

				$output .= h2({align=>"center"},
					"$title") . p . "\n";
			       $output.=&PrintEditor(\%Tournament);
				last;
			};
			/Т/ && do {
				return &PrintTour($dbh, $Id, $answer);
			};
		}
	} else {
		my ($qnum) = GetQNum($dbh);
		$output .= h2("Банк Вопросов: $qnum вопрос".&Suffix($qnum)) 
                          . p . "\n";
	}

	for ($i = 0; $i <= $#Tours; $i++) {
		%Tournament = &GetTournament($dbh, $Tours[$i]);

		if ($Tournament{'Type'} =~ /Ч/) {
			$SingleTour = 0;
			my (@Tours) = &GetTours($dbh, $Tournament{'Id'});
			$SingleTour = 1
				if ($#Tours == 0);
		}
		if ($Tournament{'QuestionsNum'} > 0) {
			$qnum = " ($Tournament{'QuestionsNum'} вопрос" .
				&Suffix($Tournament{'QuestionsNum'}) . ")\n";
		} else {
			$qnum = '';
		}
		if ($Tournament{'Type'} =~ /Г/) {
		    $SingleTour=0;
			$imgsrc = "/icons/folder.gif";
			$alt = "[*]";
		} else {
			$imgsrc = "/icons/folder.gif";
			$alt = "[-]";
		}

		my $textid;
		if ($textid=$Tournament{'FileName'})
		{
		   $textid=~s/\.txt//;
		}
		elsif ($textid=$Tournament{'Number'})
		  {
		      $fname=~s/\.txt//;
		      $textid="$fname.$textid";
		  }
	       else {$textid=$Tournament{'Id'}};
		

		if ($SingleTour or $Tournament{'Type'} =~ /Т/) {
			$list .= dd(img({src=>$imgsrc, alt=>$alt})
				. " " . $Tournament{'Title'} . " " .
				    $Tournament{'PlayedAt'} . $qnum) .
				dl(
					dd("["
						. a({href=>url .  "?tour=$textid&answer=0"},
						"вопросы") . "] ["
                  . a({href=>url .  "?tour=$textid&answer=1"},
                  "вопросы + ответы") . "]")
				);
		} else {
			$list .= dd(#a({href=>url . "?tour=$textid&comp=1"},
				#img({src=>'/icons/compressed.gif', alt=>'[ZIP]', border=>1})). " " . 
                                img({src=>$imgsrc, alt=>$alt})
				. " " . a({href=>url . "?tour=$textid&answer=0"},
				$Tournament{'Title'}. " ".
					  $Tournament{'PlayedAt'}) . $qnum);
		}
	}
	$output .= dl($list);

	if ($URL) {
		$output .=
		p("Дополнительная информация об этом турнире - по адресу " .
			a({-'href'=>$URL}, $URL));
	}

	if ($Copyright) {
		$output .= p("Копирайт: " .   $Copyright);
	}



	if ($Info) {
		$output .= p($Info);
	}
	return $output;
}

sub Suffix {
	my ($qnum) = @_;
	my ($suffix) = 'а' if $qnum =~ /[234]$/;
   $suffix = '' if $qnum =~ /1$/;
   $suffix = 'ов' if $qnum =~ /[567890]$/ || $qnum =~ /1.$/;
	return $suffix;
}

sub IsTour {
	my ($dbh, $Id,$n) = @_;

	my ($sth) ;
        
        if (defined $n) 
        { $sth=$dbh->prepare ("select Id FROM Tournaments
                           WHERE ParentId=$Id AND Number=$n");
        }
        else
        {
          $sth=$dbh->prepare("SELECT Id FROM Tournaments
		WHERE Id=$Id");
	}
	$sth->execute;
        my $a=($sth->fetchrow)[0];
	$sth->finish;
 	return $a;
}

# Gets a DB handler (ofcourse) and a tour Id. Prints all the
# question of that tour, according to the options.
sub PrintTour {
	my ($dbh, $Id, $answer) = @_;
	my ($output, $q, $bottom, $field) = ('', 0, '', '');

	my (%Tour) = &GetTournament($dbh, $Id);
	my (@Tours) = &GetTours($dbh, $Tour{'ParentId'});
	my (%Tournament) = &GetTournament($dbh, $Tour{'ParentId'});

	return 0
		if ($Tour{'Type'} !~ /Т/);

	my ($fname)=$Tournament{'FileName'};
	$fname=~s/\.txt//;
	my ($qnum) = $Tour{'QuestionsNum'};
	my ($suffix) = &Suffix($qnum);

	$output .= h2({align=>"center"}, $Tournament{"Title"},
		      $Tournament{'PlayedAt'},
		      "<br>", $Tour{"Title"} .
		" ($qnum вопрос$suffix)\n") . p;
	$output .=&PrintEditor(\%Tour);

	my (@Questions) = &GetTourQuestions($dbh, $Id);
	for ($q = 0; $q <= $#Questions; $q++) {
		$output .= &PrintQuestion($dbh, $Questions[$q], $answer, 0);
	}

	$output .= hr({-'align'=>'center', -'width'=>'80%'});

	if ($Tournament{'URL'}) {
		$output .=
		p("Дополнительная информация об этом турнире - по адресу " .
			a({-'href'=>$Tournament{'URL'}}, $Tournament{'URL'}));
	}

	if ($Tournament{'Copyright'}) {
		$output .= p("Копирайт: " .   $Tournament{'Copyright'});
	}

	if ($Tournament{'Info'}) {
		$output .= p($Tournament{'Info'});
	}

	my $n=$Tour{'Number'};
	if ($answer == 0) {
		$bottom .=
			"[" . a({href=>url . "?tour=$fname.$n&answer=1"}, "ответы") .  "] " . br;
	}
	if ($n>1) {
		$bottom .=
			"[" . a({href=>url . "?tour=$fname." . ($n - 1) . "&answer=0"},
			"предыдущий тур") . "] ";
		$bottom .=
			"[" . a({href=>url . "?tour=$fname." . ($n - 1) . "&answer=1"},
			"предыдущий тур с ответами") . "] " . br;
	}
	if (&IsTour($dbh, $Tour{'ParentId'}, $n + 1)) {
		$bottom .=
			"[" . a({href=>url . "?tour=$fname." . ($n + 1) . "&answer=0"},
			"следующий тур") . "] ";
		$bottom .=
			"[" . a({href=>url . "?tour=$fname." . ($n + 1) . "&answer=1"},
			"следующий тур с ответами") . "] ";
	}

	$output .=
		p({align=>"center"}, font({size=>-1}, $bottom));

	return $output;
}

sub PrintField {
	my ($header, $value, $text) = @_;
	if ($text) {
	    $value =~ s/<[\/\w]*?>//sg;
	} else {
	    $value =~ s/^\s+/<br>&nbsp;&nbsp;&nbsp;&nbsp;/mg;
	    $value =~ s/^\|([^\n]*)/<pre>$1<\/pre>/mg;
	    $value =~ s/\s+-+\s+/&nbsp;&#0150; /mg;
#	    $value =~ s/(\s)"/$1&#147;/mg;
#	    $value =~ s/^"/&#147;/mg;
#	    $value =~ s/"/&#148;/mg;
	}


	return $text ? "$header:\n$value\n\n" :
		strong("$header: ") . $value . p . "\n";
}

# Gets a DB handler (ofcourse) and a question Id. Prints
# that question, according to the options.
sub PrintQuestion {
	my ($dbh, $Id, $answer, $qnum, $title, $text) = @_;
	my ($output, $titles) = ('', '');
	my (%Question) = &GetQuestion($dbh, $Id);
	$qnum = $Question{'Number'}
		if ($qnum == 0);
	if (!$text) {
		$output .= hr({width=>"50%"});
		if ($title) {
			my (%Tour) = GetTournament($dbh, $Question{'ParentId'});
			my (%Tournament) = GetTournament($dbh, $Tour{'ParentId'});
			my $fname=$Tournament{'FileName'};
			$fname=~s/\.txt//;
			$titles .=
				dd(img({src=>"/icons/folder.open.gif"}) . " " .
					 a({href=>url . "?tour=$fname"}, $Tournament{'Title'}, $Tournament{'PlayedAt'}));
			$titles .=
				dl(dd(img({src=>"/icons/folder.open.gif"}) . " " .
					a({href=>url . "?tour=$fname.$Tour{Number}#$qnum"}, $Tour{'Title'})));
		}
		$output .= dl(strong($titles));
	}


	$output.= "<a NAME=\"$qnum\">";

	$output .=
		&PrintField("Вопрос $qnum", $Question{'Question'}, $text);

	if ($answer==1) {
		$output .=
			&PrintField("Ответ", $Question{'Answer'}, $text);

		if ($Question{'Authors'}) {
                      my $q=$Question{'Authors'};

#		      my $sth=$dbh->prepare("select Authors.Id,Name, Surname, Nicks from Authors, A2Q
#                                 where Authors.Id=Author And Question=$Id");
#                      $sth->execute;
#                      my ($AuthorId,$Name, $Surname,$other,$Nicks);

#                      while ((($AuthorId,$Name, $Surname,$Nicks)=$sth->fetchrow),$AuthorId)
#                      {
#                        my ($firstletter)=$Name=~m/^./g;
#                         $Name=~s/\./\\\./g;
#                          my $sha="(?:$Name\\s+$Surname)|(?:$Surname\\s+$Name)|(?:$firstletter\\.\\s*$Surname)|(?:$Surname\\s+$firstletter\\.)|(?:$Surname)|(?:$Name)";
#                          if ($Nicks)
#                          {
#                            $Nicks=~s/^\|//;
#                            foreach (split /\|/, $Nicks)
#                            {
#                              s/\s+/ /g;
#                              s/\s+$//;
#                              s/ /\\s+/g;
#                              s/\./\\\./g;
#                              if (s/>$//) {$sha="$sha|(?:$_)"}
#                              else        {$sha="(?:$_)|$sha"}
#                            }
#                          }
#                          $q=~s/($sha)/a({href=>url."?qofauthor=$AuthorId"},$1)/ei;
#                      }

			$output .= &PrintField("Автор(ы)", $q, $text);

#                        $output.= &PrintField("Другие вопросы", $other);
		}

		if ($Question{'Sources'}) {
			$output .= &PrintField("Источник(и)", $Question{'Sources'}, $text);
		}

		if ($Question{'Comments'}) {
			$output .= &PrintField("Комментарии", $Question{'Comments'}, $text);
		}
	}
	elsif ($answer==2) {
	  my $text=$Question{'Answer'};
	  $text=~s/\n/<option>/mg;
	  $output.="<select><option selected>Ответ:<option>$text</select>";
	  $text=$Question{'Comments'}||'';
	  if ($text) {
             $text=~s/\n/<option>/mg;
	     $output.="<select><option selected>Комментарий:<option>$text</select>"
	  }
	} 
	elsif ($answer==3) {
        $output.=  <<EOTT
	  <div align=right STYLE="cursor:hand;" OnStart="toggle(document.all.HideShow$qnum);" OnClick="toggle(document.all.HideShow$qnum);">
	  <font size=-2 color=red> Показать/убрать ответ</font></div>
	  <span style="display:none" id=HideShow$qnum>
EOTT
          .&PrintField("Ответ", $Question{'Answer'}, $text);
		if ($Question{'Authors'}) {
			$output .= &PrintField("Автор(ы)", $Question{'Authors'}, $text);
		}
		if ($Question{'Sources'}) {
			$output .= &PrintField("Источник(и)", $Question{'Sources'}, $text);
		}

		if ($Question{'Comments'}) {
			$output .= &PrintField("Комментарии", $Question{'Comments'}, $text);
		}


$output.="</span>"

	}
#	$output.=br.a({href=> url."?metod=proxy&qid=$Id"}, 'Близкие вопросы').p
#             if $answer;
	return $output;
}

# Returns the total number of questions currently in the DB.
sub GetQNum {
	my ($dbh) = @_;
	my ($sth) = $dbh->prepare("SELECT COUNT(*) FROM Questions");
	$sth->execute;
	my $tmp=($sth->fetchrow)[0];
        $sth->finish;
 	return $tmp;
}
sub GetMaxQId {
	my ($dbh) = @_;
	my ($sth) = $dbh->prepare("SELECT MAX(QuestionId) FROM Questions");
	$sth->execute;
	my $tmp=($sth->fetchrow)[0];
        $sth->finish;
 	return $tmp;

}

# Returns Id's of 12 random questions
sub Get12Random {
   my ($dbh, $type, $num) = @_;
	my ($i, @questions, $q, $t, $sth);
	my ($qnum) = &GetMaxQId($dbh);
	my (%chosen);
	srand;

	my $where=0;
	my $r=int (rand(10000));

	foreach (split '', $type)
        {
 	   $where.= " OR (Type ='$_') OR (Type ='$_Д') ";
 	}
        $where.= "OR (Type='ЧБ')" if ($type=~/Ч|Б/);

   $q="select QuestionId, QuestionId/$r-floor(QuestionId/$r) as val 
       from Questions where $where order by val limit $num";

# Когда на куличках появится mysql >=3.23 надо заменить на order by rand();

   $sth=$dbh->prepare($q);
   $sth->execute;
   while (($i)=$sth->fetchrow)
   {
      push @questions,$i;
   }
   $sth->finish;
    for ($i=@questions; --$i;){ 
       my $j=rand ($i+1); 
       @questions[$i,$j]=@questions[$j,$i] unless $i==$j;
    }
   return @questions;
}

sub Include_virtual {
	my ($fn, $output) = (@_, '');

	open F , $fn
		or return; #die "Can't open the file $fn: $!\n";

	while (<F>) {
		if (/<!--#include/o) {
			s/<!--#include virtual="\/(.*)" -->/&Include_virtual($1)/e;
		}
		if (/<!--#exec/o) {
			s/<!--#exec.*cmd\s*=\s*"([^"]*)".*-->/`$1`/e;
		}
		$output .= $_;
	}
	return $output;
}

sub PrintArchive {
	my($dbh, $Id) = @_;
	my ($output, @list, $i);

	my (%Tournament) = &GetTournament($dbh, $Id);
	my (@Tours) = &GetTours($dbh, $Id);

	if ($Tournament{'Type'} =~ /Г/ || $Id == 0) {
		for ($i = 0; $i <= $#Tours; $i++) {
			push(@list ,&PrintArchive($dbh, $Tours[$i]));
		}
		return @list;
	}
#	return "$SRCPATH/$Tournament{'FileName'} ";
	return "$TMPDIR/$Tournament{'FileName'} ";
}

sub PrintAll {
	my ($dbh, $Id,$fname) = @_;
	my ($output, $list, $i);

	my (%Tournament) = &GetTournament($dbh, $Id);
	my (@Tours) = &GetTours($dbh, $Id);
	my ($New) = ($Id and $Tournament{'Type'} eq 'Ч' and
		&NewEnough($Tournament{"CreatedAt"})) ?
		img({src=>"/znatoki/dimrub/db/new-sml.gif", alt=>"NEW!"}) : "";

	if ($Id == 0) {
		$output = h3("Все турниры");
	} else {
	         my $textid;
		 if ($textid=$Tournament{'FileName'})
		 {
		   $textid=~s/\.txt//;
		 }
		 elsif ($textid=$Tournament{'Number'})
		 {
		      $fname=~s/\.txt//;
		      $textid="$fname.$textid";
		 }
	         else {$textid=$Tournament{'Id'}};


		$output .= dd(img({src=>"/icons/folder.gif", alt=>"[*]"}) .
      " " . a({href=>url . "?tour=$textid&answer=0"},
      $Tournament{'Title'}) ." " . $Tournament{'PlayedAt'} . " $New");
	}
	if ($Id == 0 or $Tournament{'Type'} =~ /Г/ or $Tournament{'Type'} eq '') {
		for ($i = 0; $i <= $#Tours; $i++) {
			$list .= &PrintAll($dbh, $Tours[$i],$Tournament{'FileName'});
		}
		$output .= dl($list);
	}
	return $output;
}

sub PrintDates {
	my ($dbh) = @_;
	my ($from) = param('from_year') . "-" . param('from_month') .
		"-" .  param('from_day');
	my ($to) = param('to_year') . "-" . param('to_month') . "-" .  param('to_day');
	$from = $dbh->quote($from);
	$to = $dbh->quote($to);
	my ($sth) = $dbh->prepare("
		SELECT DISTINCT Id
		FROM Tournaments
		WHERE PlayedAt >= $from AND PlayedAt <= $to
		AND Type = 'Ч'
	");
	$sth->execute;
	my (%Tournament, @array, $output, $list);

	$output = h3("Список турниров, проходивших между $from и $to.");
	while (@array = $sth->fetchrow) {
		next
			if (!$array[0]);
		%Tournament = &GetTournament($dbh, $array[0]);
      $list .= dd(img({src=>"/icons/folder.gif", alt=>"[*]"}) .
      " " . a({href=>url . "?tour=$Tournament{'Id'}&answer=0"},
      $Tournament{'Title'}, $Tournament{'PlayedAt'}));
	}
        $sth->finish;
	$output .= dl($list);
	return $output;
}

sub PrintQOfAuthor
{

    my ($dbh, $id) = @_;
   $id=$dbh->quote($id);
    my $sth =  $dbh->prepare("SELECT  Name, Surname FROM Authors WHERE Id=$id");
    $sth->execute;
    my ($name,$surname)=$sth->fetchrow;

    $sth =  $dbh->prepare("SELECT Question FROM A2Q WHERE Author=$id");
    $sth->execute;
    my $q;
    my @Questions;
    while (($q)=$sth->fetchrow,$q)
     {push @Questions,$q unless $forbidden{$q}}
    $sth->finish;

    my ($output, $i, $suffix, $hits) = ('', 0, '', $#Questions + 1);

    if ($hits =~ /1.$/  || $hits =~ /[5-90]$/) {
		$suffix = 'й';
	} elsif ($hits =~ /1$/) {
		$suffix = 'е';
	} else {
		$suffix = 'я';
	}
	print h2("Поиск в базе вопросов");
	print printform;
	print p({align=>"center"}, "Автор ".strong("$name $surname. ")
	. " : $hits попадани$suffix.");


#	for ($i = 0; $i <= $#Questions; $i++) {
#		$output = &PrintQuestion($dbh, $Questions[$i], 1, $i + 1, 1);
#		print $output;
#	}
        PrintList($dbh,\@Questions,'gdfgdfgdfgdfg');
}


sub PrintAuthors
{
     my ($dbh,$sort)=@_;
     my($output,$out1,@array,$sth);
     if ($sort eq 'surname')
     {
        $sth =
             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors order by Surname, Name");
     }
     elsif($sort eq 'name')
     {
        $sth =
             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors order by Name, Surname");
     }
     else
     {
        $sth =
             $dbh->prepare("SELECT Id, Name, Surname, QNumber FROM Authors Order by QNumber DESC, Surname");
     }

     $output.=h2("Авторы вопросов")."\n";
     $output.="<TABLE>";


     $sth->execute;
     $output.=Tr(th[a({href=>url."?authors=name"},"Имя")
.", ".
a({href=>url."?authors=surname"},"фамилия")
     , a({href=>url."?authors=kvo"},"Количество вопросов")]);

     $out1='';

     my $ar=$sth->fetchall_arrayref;

     $sth->finish;


    foreach my $arr(@$ar)
     {

           my ($id,$name,$surname,$kvo)=@$arr;
           if (!$name || !$surname) {#print "Opanki at $id\n"
              } else
           {
             my $add=Tr(td([a({href=>url."?qofauthor=$id"},"$name $surname"), $kvo]))."\n";
             print STDERR $add;
             $output.=$add;
           }
     }
     $output.="</TABLE>";
     $sth->finish;
     return $output;
}


sub WriteFile {
  my ($dbh,$fname) = @_;
  $fname=~s/\.txt$//;
  $fname=~s/.*\/(\w+)/$1/;
  my $query= "SELECT Id, Title, Copyright, Info, URL, 
                      Editors, EnteredBy, PlayedAt, CreatedAt 
                     from Tournaments where FileName=".$dbh->quote("$fname.txt");
  my $sth=$dbh->prepare($query);
  my (%Question,%editor,%qnumber,%copyright,%author,%vid,%tourtitle);
  $sth->execute;
  my ($Id, $Title, $Copyright, $Info, $URL, 
   $Editors, $EnteredBy, $PlayedAt, $CreatedAt)=
      $sth->fetchrow;
  return -1 unless $Id;
  open (OUT, ">$TMPDIR/$fname.txt");
  print OUT "Чемпионат:\n$Title\n\n";
  my $date=$PlayedAt;
  my ($year,$month,$day)=split /-/, $date;
#  $month=0,$date=0 if $year && $month==1 && $day==1;
  my $pdate=sprintf("%02d-%3s-%4d",$day,$months[$month],$year);

  print OUT "Дата:\n$pdate\n\n" if $date;

  print OUT "URL:\n$URL\n\n" if $URL;

  print OUT "Инфо:\n$Info\n\n" if $Info;

  print OUT "Копирайт:\n$Copyright\n\n" if $Copyright;

  print OUT "Редактор:\n$Editors\n\n" if $Editors;


  $query= "SELECT Id, Title, Copyright, Editors from Tournaments where ParentId=$Id order by Id";
  $sth=$dbh->prepare($query);
  $sth->execute;
  my ($tourid,$tourtitle,$cright,$editor,@tours,$vid,$author,$tourauthor);


  while (($tourid,$tourtitle,$cright,$editor)=$sth->fetchrow,$tourid)
  {
#    $text{$tourid}="Тур:\n$tourtitle\n\n";
    $query= "SELECT * from Questions where ParentId=$tourid order by QuestionId";
    my $sth1=$dbh->prepare($query);
    $sth1->execute;
    push(@tours,$tourid);
    $tourtitle{$tourid}=$tourtitle;
    $copyright{$tourid}=$cright;
    $editor{$tourid}=$editor;
    $vid='';
    my $author='';
    my $eqauthor=1;
    my $qnumber=0;
    my @arr;
    while ( @arr=$sth1->fetchrow, $arr[0])
    {
	my($i, $name) = 0;
	$qnumber++;
	foreach $name (@{$sth1->{NAME}}) {
	        $arr[$i]=~s/^(.*?)\s*$/$1/;
		$Question{$tourid}[$qnumber]{$name} = $arr[$i++];
	}
	if ($vid)
        {
          if ($vid ne $Question{$tourid}[$qnumber]{'Type'}) {print STDERR "Warning: Different types for Tournament $tourid\n"}
        } else 
        {
            $vid=$Question{$tourid}[$qnumber]{'Type'};
        } 

	if ($author)
        {
          if ($author ne $Question{$tourid}[$qnumber]{'Authors'})  
          {
             $eqauthor=0;
          }
        } else 
        {
            $author=$Question{$tourid}[$qnumber]{'Authors'};
            $eqauthor=0 unless $author;
        } 
    }
    $vid{$tourid}=$vid;
    $qnumber{$tourid}=$qnumber;
    $author{$tourid}=$eqauthor ? $author : '';
  }


  $vid='';
  my $eqvid=1;
  my $eqauthor=1;
  foreach (@tours)
  {
     $vid||=$vid{$_};
     if ($vid{$_} ne $vid)
     {
        $eqvid=0;
     }
     $author||=$author{$_};
     if (!$author{$_} || ($author{$_} ne $author))
     {
        $eqauthor=0;
     }
  }
  
  print OUT "Вид:\n$vid\n\n" if $eqvid;
  print OUT "Автор:\n$author\n\n" if $eqauthor;

  foreach my $tour(@tours)
  {
     print OUT "Тур:\n$tourtitle{$tour}\n\n";
     print OUT "Вид:\n$vid{$tour}\n\n" if  !$eqvid;
     print OUT "Копирайт:\n$copyright{$tour}\n\n" if $copyright{$tour} && ($copyright{$tour} ne $Copyright);
     print OUT "Редактор:\n$editor{$tour}\n\n" if $editor{$tour} && ($editor{$tour} ne $Editors);
     $tourauthor=0;
     if (!$eqauthor && $author{$tour})
     { 
       print OUT "Автор:\n$author{$tour}\n\n";
       $tourauthor=1;
     }
     foreach my $q(1..$qnumber{$tour})
     {
        print OUT "Вопрос $q:\n".$Question{$tour}[$q]{'Question'}."\n\n";
	print OUT  "Ответ:\n".$Question{$tour}[$q]{'Answer'}."\n\n";
	print OUT  "Автор:\n".$Question{$tour}[$q]{'Authors'}."\n\n" 
               if !$tourauthor && !$eqauthor && $Question{$tour}[$q]{'Authors'};
	print OUT  "Комментарий:\n".$Question{$tour}[$q]{'Comments'}."\n\n" 
               if $Question{$tour}[$q]{'Comments'};
	print OUT "Источник:\n".$Question{$tour}[$q]{'Sources'}."\n\n" 
               if $Question{$tour}[$q]{'Sources'};
	print OUT "Рейтинг:\n".$Question{$tour}[$q]{'Rating'}."\n\n" 
               if $Question{$tour}[$q]{'Rating'};

     }
  }

  close OUT;



}


MAIN:
{
	setlocale(LC_CTYPE,'russian');
	my($i, $tour);
	my($text) = (param('text')) ? 1 : 0;

	my($dbh) = DBI->connect("DBI:mysql:chgk", "piataev", "")
		or do {
			print h1("Временные проблемы") . "База данных временно не
			работает. Заходите попозже.";
			print &Include_virtual("../dimrub/db/reklama.html");
		    print end_html;
			die "Can't connect to DB chgk\n";
		};
	if (!param('comp') and !param('sqldump') and !$text) {
	   print header;
	   print start_html(-"title"=>'Database of the questions',
	           -author=>'dimrub@icomverse.com',
	           -bgcolor=>'#fff0e0',
				  -vlink=>'#800020');
		print &Include_virtual("../dimrub/db/reklama.html");
	}


if ($^O =~ /win/i) {
	$thislocale = "Russian_Russia.20866";
} else {
	$thislocale = "ru_RU.KOI8-R";
}
POSIX::setlocale( &POSIX::LC_ALL, $thislocale );

if ((uc 'а') ne 'А') {print "Koi8-r locale not installed!\n"};


	if ($text) {
		print header('text/plain');
	}

        if (param('hideequal')) {
	           my ($sth)=  $dbh -> prepare("select first, second FROM equalto");
	           $sth -> execute;
	           while ( my  ($first, $second)=$sth -> fetchrow)
                  {
                       $forbidden{$first}=1;
                  }
                  $sth->finish;
        }


	if (param('rand')) {
		my ($type, $qnum) = ('', 12);
		$type.=$TypeName{$_} foreach param('type');
#		$type .= 'Б' if (param('brain'));
#		$type .= 'Ч' if (param('chgk'));
		$qnum = param('qnum') if (param('qnum') =~ /^\d+$/);
		$qnum = 0 if (!$type);
		my $Email;
		if (($Email=param('email')) && -x $SENDMAIL &&
		open(F, "| $SENDMAIL $Email")) {
			my ($mime_type) = $text ? "plain" : "html";
			print F <<EOT;
To: $Email
From: olegstepanov\@mail.ru
Subject: Sluchajnij Paket Voprosov "Chto? Gde? Kogda?"
MIME-Version: 1.0
Content-type: text/$mime_type; charset="koi8-r"

EOT
			print F &PrintRandom($dbh, $type, $qnum, $text);
			close F;
			print "Пакет случайно выбранных вопросов послан по адресу $Email. Нажмите
			на <B>Reload</B> для получения еще одного пакета";
		} else {
			print &PrintRandom($dbh, $type, $qnum, $text);
		}
	}
	  elsif (param('authors')){
                print &PrintAuthors($dbh,param('authors'));
        }
          elsif (param('qofauthor')){
                &PrintQOfAuthor($dbh,param('qofauthor'));
        }
          elsif (param('sstr')||param('was')) {
		&PrintSearch($dbh, param('sstr'), param('metod'),param('was'));
		$dbh->do("delete from lastqueries where
                      (TO_DAYS(NOW()) - TO_DAYS(t) >= 2) OR
		           (time_to_sec(now())-time_to_sec(t) >3600)")
	} 
	  elsif (param('qid')) {
	      my $qid=param('qid');
              my $query="SELECT Question, Answer from Questions where QuestionId=$qid";
print $query if $printqueries;
	      my $sth=$dbh->prepare($query);
	      $sth->execute;
	      my $sstr= join ' ',$sth->fetchrow;
              $sth->finish;
	      $searchin{'Question'}=1;
	      $searchin{'Answer'}=1;
      $sstr=~tr/ёЁ/еЕ/;
$sstr=~s/[^йцукенгшщзхъфывапролджэячсмитьбюЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮa-zA-Z0-9]/ /gi;
#              print &PrintQuestion($dbh,$qid, 1, '!');
 	      &PrintSearch($dbh, $sstr, 'proxy');
 	}

          elsif (param('all')) {
		print &PrintAll($dbh, 0);
	} elsif (param('from_year') && param('to_year')) {
		print &PrintDates($dbh);
	} elsif (param('comp')) {
	    print header(
			 -'Content-Type' => 'application/x-zip-compressed; name="db.zip"',
			 -'Content-Disposition' => 'attachment; filename="db.zip"'
			 );
	    $tour = (param('tour')) ? param('tour') : 0;
	    my (@files) = &PrintArchive($dbh, $tour);
	    WriteFile($dbh,$_) foreach @files;
	    open F, "$ZIP -j - $SRCPATH/COPYRIGHT @files |";
	    print (<F>);
	    close F;
	    $dbh->disconnect;
	    exit;
	} elsif (param('sqldump')) {
	    print header(
			 -'Content-Type' => 'application/x-zip-compressed; name="dump.zip"',
			 -'Content-Disposition' => 'attachment; filename="dump.zip"'
			 );
	    open F, "$ZIP -j - $DUMPFILE |";
	    print (<F>);
	    close F;
	    $dbh->disconnect;
	    exit;

	} else {
		$tour = (param('tour')) ? param('tour') : 0;
		my $sth;
		if ($tour !~ /^[0-9]*$/) {
		    if ($tour=~/\./)
		    {
		        my ($fname,$n)= split /\./ , $tour;

	                $sth = $dbh->prepare(
                       "SELECT t2.Id FROM Tournaments as t1, 
                        Tournaments as t2 
			WHERE t1.FileName = '$fname.txt'
                        AND t1.Id=t2.ParentId AND t2.Number=$n");
		    }	
		    else 
		        {
                          $sth = $dbh->prepare("SELECT Id FROM Tournaments
			             WHERE FileName = '$tour.txt'");
			}
		    $sth->execute;
	            $tour = ($sth->fetchrow)[0];
                    $sth->finish;
		}
		my $QuestionNumber=0;
		my $qnum;
		if ($qnum=param('qnumber')){
      	          my ($sth) = $dbh->prepare("SELECT QuestionId FROM Questions
		     WHERE ParentId=$tour AND Number=$qnum");
		  $sth->execute;
		  $QuestionNumber=($sth->fetchrow)[0]||0;
	        }
	        if ($QuestionNumber) {
		  print &PrintQuestion($dbh, $QuestionNumber, param('answer')||0, $qnum, 1);
#                                        $dbh, $Id, $answer, $qnum, $title, $text
		} else  {
  		   print &PrintTournament($dbh, $tour, param('answer'));
  		}
	}
	if (!$text) {
		print &Include_virtual("../dimrub/db/footer.html");
print <<EEE
  <SCRIPT LANGUAGE="JavaScript">
function toggle(e) {
  if (e.style.display == "none") {
     e.style.display="";
  } else {
     e.style.display = "none";
 }
}
</SCRIPT>
EEE
;
		print end_html;
	}
	$dbh->disconnect;
}