#!/usr/bin/perl

# $Id$

# Copyright 2000-2002 Katipo Communications
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA  02111-1307 USA

use strict;
use C4::Auth;
use CGI;
use C4::Context;
use HTML::Template;
use C4::Search;
use C4::Output;
use C4::Koha;
use C4::Interface::CGI::Output;
use C4::Circulation::Circ2;

=head1 NAME

plugin that shows a stats on borrowers

=head1 DESCRIPTION


=over2

=cut

my $input = new CGI;
my $do_it=$input->param('do_it');
my $fullreportname = "reports/acquisitions_stats.tmpl";
my $line = $input->param("Line");
my $column = $input->param("Column");
my @filters = $input->param("Filter");
my $podsp = $input->param("PlacedOnDisplay");
my $rodsp = $input->param("ReceivedOnDisplay");
my $calc = $input->param("Cellvalue");
my $output = $input->param("output");
my $basename = $input->param("basename");
my $mime = $input->param("MIME");
my $del = $input->param("sep");
#warn "calcul : ".$calc;
my ($template, $borrowernumber, $cookie)
	= get_template_and_user({template_name => $fullreportname,
				query => $input,
				type => "intranet",
				authnotrequired => 0,
				flagsrequired => {editcatalogue => 1},
				debug => 1,
				});
$template->param(do_it => $do_it);
if ($do_it) {
	my $results = calculate($line, $column, $podsp, $rodsp, $calc, \@filters);
	if ($output eq "screen"){
		$template->param(mainloop => $results);
		output_html_with_http_headers $input, $cookie, $template->output;
		exit(1);
	} else {
		print $input->header(-type => 'application/vnd.sun.xml.calc', 
							 -attachment=>"$basename.csv",
							 -name=>"$basename.csv" );
		my $cols = @$results[0]->{loopcol};
		my $lines = @$results[0]->{looprow};
		my $sep;
		$sep =C4::Context->preference("delimiter");
		print @$results[0]->{line} ."/". @$results[0]->{column} .$sep;
		foreach my $col ( @$cols ) {
			print $col->{coltitle}.$sep;
		}
		print "Total\n";
		foreach my $line ( @$lines ) {
			my $x = $line->{loopcell};
			print $line->{rowtitle}.$sep;
			foreach my $cell (@$x) {
				print $cell->{value}.$sep;
			}
			print $line->{totalrow};
 			print "\n";
	 	}
		print "TOTAL";
		$cols = @$results[0]->{loopfooter};
		foreach my $col ( @$cols ) {
			print $sep.$col->{totalcol};
		}
		print $sep.@$results[0]->{total};
		exit(1);
	}
} else {
	my $dbh = C4::Context->dbh;
	my @values;
	my %labels;
	my %select;
	my $req;
	$req = $dbh->prepare("select distinctrow id,name from aqbooksellers order by name");
	$req->execute;
	my @select;
	push @select,"";
#	$select{""}="";
	while (my ($value, $desc) =$req->fetchrow) {
		push @select, $desc;
#		$select{$value}=$desc;
	}
	my $CGIBookSellers=CGI::scrolling_list( -name     => 'Filter',
				-id => 'Filter',
				-values   => \@select,
#				-labels   => \%select,
				-size     => 1,
				-multiple => 0 );
	
	$req = $dbh->prepare( "select distinctrow bookfundid,bookfundname from aqbookfund order by bookfundname");
	$req->execute;
	undef @select;
	undef %select;
	push @select,"";
	$select{""}="";
	while (my ($value,$desc) =$req->fetchrow) {
		push @select, $value;
		$select{$value}=$desc;
	}
	my $CGIBudget=CGI::scrolling_list( -name     => 'Filter',
				-id => 'Filter',
				-values   => \@select,
				-labels    => \%select,
				-size     => 1,
				-multiple => 0 );
	
	$req = $dbh->prepare("select distinctrow sort1 from aqorders where sort1 is not null order by sort1");
	$req->execute;
	undef @select;
	push @select,"";
	my $hassort1;
	while (my ($value) =$req->fetchrow) {
		$hassort1 =1 if ($value);
		push @select, $value;
	}
	my $CGISort1=CGI::scrolling_list( -name     => 'Filter',
				-id => 'Filter',
				-values   => \@select,
				-size     => 1,
				-multiple => 0 );
	
	$req = $dbh->prepare("select distinctrow sort2 from aqorders where sort2 is not null order by sort2");
	$req->execute;
	undef @select;
	push @select,"";
	my $hassort2;
	my $hglghtsort2;
	while (my ($value) =$req->fetchrow) {
		$hassort2 =1 if ($value);
		$hglghtsort2= !($hassort1);
		push @select, $value;
	}
	my $CGISort2=CGI::scrolling_list( -name     => 'Filter',
				-id => 'Filter',
				-values   => \@select,
				-size     => 1,
				-multiple => 0 );
	
	my @mime = ( C4::Context->preference("MIME") );
 	foreach my $mime (@mime){
#		warn "".$mime;
 	}
	
	my $CGIextChoice=CGI::scrolling_list(
				-name     => 'MIME',
				-id       => 'MIME',
				-values   => \@mime,
				-size     => 1,
				-multiple => 0 );
	
	my @dels = ( C4::Context->preference("delimiter") );
	my $CGIsepChoice=CGI::scrolling_list(
				-name     => 'sep',
				-id       => 'sep',
				-values   => \@dels,
				-size     => 1,
				-multiple => 0 );
	
	$template->param(
					CGIBookSeller => $CGIBookSellers,
					CGIBudget => $CGIBudget,
					hassort1=> $hassort1,
					hassort2=> $hassort2,
					HlghtSort2 => $hglghtsort2,
					CGISort1 => $CGISort1,
					CGISort2 => $CGISort2,
					CGIextChoice => $CGIextChoice,
					CGIsepChoice => $CGIsepChoice
					);

}
output_html_with_http_headers $input, $cookie, $template->output;



sub calculate {
	my ($line, $column, $podsp, $rodsp, ,$process, $filters) = @_;
	my @mainloop;
	my @loopfooter;
	my @loopcol;
	my @loopline;
	my @looprow;
	my %globalline;
	my $grantotal =0;
# extract parameters
	my $dbh = C4::Context->dbh;

# Filters
# Checking filters
#
	my @loopfilter;
	for (my $i=0;$i<=7;$i++) {
		my %cell;
		if ( @$filters[$i] ) {
			if ((($i==1) or ($i==3)) and (@$filters[$i-1])) {
				$cell{err} = 1 if (@$filters[$i]<@$filters[$i-1]) ;
			}
			$cell{filter} .= @$filters[$i];
			$cell{crit} .="Placed On From" if ($i==0);
			$cell{crit} .="Placed On To" if ($i==1);
			$cell{crit} .="Received On From" if ($i==2);
			$cell{crit} .="Received On To" if ($i==3);
			$cell{crit} .="BookSeller" if ($i==4);
			$cell{crit} .="Budget" if ($i==5);
			$cell{crit} .="Sort1" if ($i==6);
			$cell{crit} .="Sort2" if ($i==7);
			push @loopfilter, \%cell;
		}
	}
	
	my @linefilter;
#	warn "filtres ".@filters[0];
#	warn "filtres ".@filters[1];
#	warn "filtres ".@filters[2];
#	warn "filtres ".@filters[3];
	
 	$linefilter[0] = @$filters[0] if ($line =~ /closedate/ )  ;
 	$linefilter[1] = @$filters[1] if ($line =~ /closedate/ )  ;
 	$linefilter[0] = @$filters[2] if ($line =~ /received/ )  ;
 	$linefilter[1] = @$filters[3] if ($line =~ /received/ )  ;
 	$linefilter[0] = @$filters[4] if ($line =~ /bookseller/ )  ;
 	$linefilter[0] = @$filters[5] if ($line =~ /bookfund/ )  ;
 	$linefilter[0] = @$filters[6] if ($line =~ /sort1/ )  ;
 	$linefilter[0] = @$filters[7] if ($line =~ /sort2/ ) ;
#warn "filtre lignes".$linefilter[0]." ".$linefilter[1];
# 
 	my @colfilter ;
 	$colfilter[0] = @$filters[0] if ($column =~ /closedate/ ) ;
 	$colfilter[1] = @$filters[1] if ($column =~ /closedate/ ) ;
 	$colfilter[0] = @$filters[2] if ($column =~ /received/ )  ;
 	$colfilter[1] = @$filters[3] if ($column =~ /received/ )  ;
 	$colfilter[0] = @$filters[4] if ($column =~ /bookseller/ );
 	$colfilter[0] = @$filters[5] if ($column =~ /bookfund/ )  ;
 	$colfilter[0] = @$filters[6] if ($column =~ /sort1/ )     ;
 	$colfilter[0] = @$filters[7] if ($column =~ /sort2/ )     ;
#warn "filtre col ".$colfilter[0]." ".$colfilter[1];
                                              
# 1st, loop rows.                             
	my $linefield;                               
	if (($line =~/closedate/) and ($podsp == 1)) {
		#Display by day
		$linefield .="dayname($line)";  
	} elsif (($line=~/closedate/) and ($podsp == 2)) {
		#Display by Month
		$linefield .="monthname($line)";  
	} elsif (($line=~/closedate/) and ($podsp == 3)) {
		#Display by Year
		$linefield .="Year($line)";
	} elsif (($line =~/received/) and ($rodsp == 1)) {
		#Display by day
		$linefield .="dayname($line)";  
	} elsif (($line=~/received/) and ($rodsp == 2)) {
		#Display by Month
		$linefield .="monthname($line)";  
	} elsif (($line=~/received/) and ($rodsp == 3)) {
		#Display by Year
		$linefield .="Year($line)";
	} else {
		$linefield .= $line;
	}  
	
 	my $strsth;
 	$strsth .= "select distinctrow $linefield from aqorders, aqbasket,aqorderbreakdown left join aqorderdelivery on (aqorders.ordernumber =aqorderdelivery.ordernumber ) left join aqbooksellers on (aqbasket.booksellerid=aqbooksellers.id) where (aqorders.basketno=aqbasket.basketno) and (aqorderbreakdown.ordernumber=aqorders.ordernumber) and $line is not null ";
	
	if ( @linefilter ) {
		if ($linefilter[1]){
			if ($linefilter[0]){
				$strsth .= " and $line between ? and ? " ;
			} else {
				$strsth .= " and $line < ? " ;
			}
		} elsif (($linefilter[0]) and (($line=~/closedate/) or ($line=~/received/))){
 			$strsth .= " and $line > ? " ;
		} elsif ($linefilter[0]) {
			$linefilter[0] =~ s/\*/%/g;
 			$strsth .= " and $line LIKE ? " ;
 		}
 	}
	$strsth .=" group by $linefield";
	$strsth .=" order by $linefield";
	warn "". $strsth;
	
	my $sth = $dbh->prepare( $strsth );
	if (( @linefilter ) and ($linefilter[1])){
		$sth->execute("'".$linefilter[0]."'","'".$linefilter[1]."'");
	} elsif ($linefilter[0]) {
		$sth->execute($linefilter[0]);
	} else {
		$sth->execute;
	}
	
 	while ( my ($celvalue) = $sth->fetchrow) {
 		my %cell;
		if ($celvalue) {
			$cell{rowtitle} = $celvalue;
		} else {
			$cell{rowtitle} = "";
		}
 		$cell{totalrow} = 0;
		push @loopline, \%cell;
 	}

# 2nd, loop cols.
	my $colfield;
	if (($column =~/closedate/) and ($podsp == 1)) {
		#Display by day
		$colfield .="dayname($column)";  
	} elsif (($column=~/closedate/) and ($podsp == 2)) {
		#Display by Month
		$colfield .="monthname($column)";  
	} elsif (($column=~/closedate/) and ($podsp == 3)) {
		#Display by Year
		$colfield .="Year($column)";
	} elsif (($column =~/received/) and ($rodsp == 1)) {
		#Display by day
		$colfield .="dayname($column)";  
	} elsif (($column=~/received/) and ($rodsp == 2)) {
		#Display by Month
		$colfield .="monthname($column)";  
	} elsif (($column=~/received/) and ($rodsp == 3)) {
		#Display by Year
		$colfield .="Year($column)";
	} else {
		$colfield .= $column;
	}  
	
 	my $strsth2;
 	$strsth2 .= "select distinctrow $colfield from aqorders, aqbasket,aqorderbreakdown left join aqorderdelivery on (aqorders.ordernumber =aqorderdelivery.ordernumber ) left join aqbooksellers on (aqbasket.booksellerid=aqbooksellers.id) where (aqorders.basketno=aqbasket.basketno) and (aqorderbreakdown.ordernumber=aqorders.ordernumber) and $column is not null ";
	
	if ( @colfilter ) {
		if ($colfilter[1]){
			if ($colfilter[0]){
				$strsth2 .= " and $column between ? and ? " ;
			} else {
				$strsth2 .= " and $column < ? " ;
			}
		} elsif (($colfilter[0]) and (($column=~/closedate/) or ($column=~/received/))){
 			$strsth2 .= " and $column > ? " ;
		} elsif ($colfilter[0]) {
			$colfilter[0] =~ s/\*/%/g;
 			$strsth2 .= " and $column LIKE ? " ;
 		}
 	}
	$strsth2 .=" group by $colfield";
	$strsth2 .=" order by $colfield";
 	warn "". $strsth2;
	
	my $sth2 = $dbh->prepare( $strsth2 );
	if (( @colfilter ) and ($colfilter[1])){
		warn "from : ".$colfilter[0]." To  :".$colfilter[1];
		$sth2->execute("'".$colfilter[0]."'","'".$colfilter[1]."'");
	} elsif ($colfilter[0]) {
		$sth2->execute($colfilter[0]);
	} else {
		$sth2->execute;
	}

 	while (my ($celvalue) = $sth2->fetchrow) {
 		my %cell;
		my %ft;
#		warn "coltitle :".$celvalue;
		$cell{coltitle} = $celvalue;
		$ft{totalcol} = 0;
		push @loopcol, \%cell;
 	}
#	warn "fin des titres colonnes";

	my $i=0;
	my @totalcol;
	my $hilighted=-1;
	
	#Initialization of cell values.....
	my %table;
#	warn "init table";
	foreach my $row ( @loopline ) {
		foreach my $col ( @loopcol ) {
#			warn " init table : $row->{rowtitle} / $col->{coltitle} ";
			$table{$row->{rowtitle}}->{$col->{coltitle}}=0;
		}
		$table{$row->{rowtitle}}->{totalrow}=0;
	}

# preparing calculation
	my $strcalc ;
	$strcalc .= "SELECT $linefield, $colfield, ";
	$strcalc .= "COUNT( aqorders.ordernumber ) " if ($process ==1);
	$strcalc .= "SUM( aqorders.quantity * aqorders.listprice ) " if ($process ==2);
	$strcalc .= "FROM aqorders, aqbasket,aqorderbreakdown left join aqorderdelivery on (aqorders.ordernumber =aqorderdelivery.ordernumber ) left join aqbooksellers on (aqbasket.booksellerid=aqbooksellers.id) where (aqorders.basketno=aqbasket.basketno) and (aqorderbreakdown.ordernumber=aqorders.ordernumber) and $column is not null and $line is not null ";

	@$filters[0]=~ s/\*/%/g if (@$filters[0]);
	$strcalc .= " AND aqbasket.closedate > '" . @$filters[0] ."'" if ( @$filters[0] );
	@$filters[1]=~ s/\*/%/g if (@$filters[1]);
	$strcalc .= " AND aqbasket.closedate < '" . @$filters[1] ."'" if ( @$filters[1] );
	@$filters[2]=~ s/\*/%/g if (@$filters[2]);
	$strcalc .= " AND aqorderdelivery.deliverydate > '" . @$filters[2] ."'" if ( @$filters[2] );
	@$filters[3]=~ s/\*/%/g if (@$filters[3]);
	$strcalc .= " AND aqorderdelivery.deliverydate < '" . @$filters[3] ."'" if ( @$filters[3] );
	@$filters[4]=~ s/\*/%/g if (@$filters[4]);
	$strcalc .= " AND aqbooksellers.name like '" . @$filters[4] ."'" if ( @$filters[4] );
	@$filters[5]=~ s/\*/%/g if (@$filters[5]);
	$strcalc .= " AND aqbookfund.bookfundid like '" . @$filters[5] ."'" if ( @$filters[5] );
	@$filters[6]=~ s/\*/%/g if (@$filters[6]);
	$strcalc .= " AND aqorders.sort1 like '" . @$filters[6] ."'" if ( @$filters[6] );
	@$filters[7]=~ s/\*/%/g if (@$filters[7]);
	$strcalc .= " AND aqorders.sort2 like '" . @$filters[7] ."'" if ( @$filters[7] );
	$strcalc .= " group by $linefield, $colfield order by $linefield,$colfield";
	warn "". $strcalc;
	my $dbcalc = $dbh->prepare($strcalc);
	$dbcalc->execute;
# 	warn "filling table";
	while (my ($row, $col, $value) = $dbcalc->fetchrow) {
# 		warn "filling table $row / $col / $value ";
		$table{$row}->{$col}=$value;
		$table{$row}->{totalrow}+=$value;
		$grantotal += $value;
	}
	
	foreach my $row ( sort keys %table ) {
		my @loopcell;
		#@loopcol ensures the order for columns is common with column titles
		foreach my $col ( @loopcol ) {
			push @loopcell, {value => $table{$row}->{$col->{coltitle}}} ;
		}
		push @looprow,{ 'rowtitle' => $row,
						'loopcell' => \@loopcell,
						'hilighted' => 1 ,
						'totalrow' => $table{$row}->{totalrow}
					};
		$hilighted = -$hilighted;
	}
	
# 	warn "footer processing";
	foreach my $col ( @loopcol ) {
		my $total=0;
		foreach my $row ( @looprow ) {
			$total += $table{$row->{rowtitle}}->{$col->{coltitle}};
# 			warn "value added ".$table{$row->{rowtitle}}->{$col->{coltitle}}. "for line ".$row->{rowtitle};
		}
# 		warn "summ for column ".$col->{coltitle}."  = ".$total;
		push @loopfooter, {'totalcol' => $total};
	}
			

	# the header of the table
	$globalline{loopfilter}=\@loopfilter;
	# the core of the table
	$globalline{looprow} = \@looprow;
	$globalline{loopcol} = \@loopcol;
# 	# the foot (totals by borrower type)
	$globalline{loopfooter} = \@loopfooter;
	$globalline{total}= $grantotal;
	$globalline{line} = $line;
	$globalline{column} = $column;
	push @mainloop,\%globalline;
	return \@mainloop;
}

1;