#=====================================================================
# LedgerSMB 
# Small Medium Business Accounting software
# http://www.ledgersmb.org/
# 

# Copyright (C) 2006
# This work contains copyrighted information from a number of sources all used
# with permission.
#
# This file contains source code included with or based on SQL-Ledger which
# is Copyright Dieter Simader and DWS Systems Inc. 2000-2005 and licensed
# under the GNU General Public License version 2 or, at your option, any later
# version.  For a full list including contact information of contributors,
# maintainers, and copyright holders, see the CONTRIBUTORS file.
#
# Original Copyright Notice from SQL-Ledger 2.6.17 (before the fork):
# Copyright (C) 2001
#
#  Author: DWS Systems Inc.
#     Web: http://www.sql-ledger.org
#
#  Contributors:
#
#======================================================================
#
# This file has undergone whitespace cleanup.
#
#======================================================================
#
# chart of accounts
#
#======================================================================


package CA;


sub all_accounts {

	my ($self, $myconfig, $form) = @_;

	my $amount = ();
	# connect to database
	my $dbh = $form->dbconnect($myconfig);

	my $query = qq|SELECT accno, SUM(acc_trans.amount) AS amount
					 FROM chart, acc_trans
					WHERE chart.id = acc_trans.chart_id
				 GROUP BY accno|;

	my $sth = $dbh->prepare($query);
	$sth->execute || $form->dberror($query);

	while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
		$amount{$ref->{accno}} = $ref->{amount}
	}
	
	$sth->finish;

	$query = qq|SELECT accno, description
				  FROM gifi|;

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

	my $gifi = ();

	while (my ($accno, $description) = $sth->fetchrow_array) {
		$gifi{$accno} = $description;
	}

	$sth->finish;

	$query = qq|SELECT c.id, c.accno, c.description, c.charttype, 
					   c.gifi_accno, c.category, c.link
				  FROM chart c
			  ORDER BY accno|;

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

	while (my $ca = $sth->fetchrow_hashref(NAME_lc)) {
		$ca->{amount} = $amount{$ca->{accno}};
		$ca->{gifi_description} = $gifi{$ca->{gifi_accno}};

		if ($ca->{amount} < 0) {
			$ca->{debit} = $ca->{amount} * -1;
		} else {
			$ca->{credit} = $ca->{amount};
		}

		push @{ $form->{CA} }, $ca;
	}

	$sth->finish;
	$dbh->disconnect;

}


sub all_transactions {

	my ($self, $myconfig, $form) = @_;

	# connect to database
	my $dbh = $form->dbconnect($myconfig);

	# get chart_id
	my $query = qq|SELECT id 
					 FROM chart
					WHERE accno = '$form->{accno}'|;

	if ($form->{accounttype} eq 'gifi') {
		$query = qq|SELECT id 
					  FROM chart
					 WHERE gifi_accno = '$form->{gifi_accno}'|;
	}

	my $sth = $dbh->prepare($query);
	$sth->execute || $form->dberror($query);

	my @id = ();

	while (my ($id) = $sth->fetchrow_array) {
		push @id, $id;
	}

	$sth->finish;

	my $fromdate_where;
	my $todate_where;

	($form->{fromdate}, $form->{todate}) = $form->from_to($form->{year}, $form->{month}, $form->{interval}) if $form->{year} && $form->{month};

	if ($form->{fromdate}) {
		$fromdate_where = qq| AND ac.transdate >= '$form->{fromdate}' |;
	}

	if ($form->{todate}) {
		$todate_where .= qq| AND ac.transdate <= '$form->{todate}' |;
	}


	my $false = ($myconfig->{dbdriver} =~ /Pg/) ? FALSE : q|'0'|;

	# Oracle workaround, use ordinal positions
	my %ordinal = ( transdate => 4,
					reference => 2,
					description => 3 );

	my @a = qw(transdate reference description);
	my $sortorder = $form->sort_order(\@a, \%ordinal);

	my $null;
	my $department_id;
	my $dpt_where;
	my $dpt_join;
	my $union;

	($null, $department_id) = split /--/, $form->{department};

	if ($department_id) {
		$dpt_join = qq| JOIN department t ON (t.id = a.department_id) |;
		$dpt_where = qq| AND t.id = $department_id |;
	}


	my $project;
	my $project_id;

	if ($form->{projectnumber}) {
		($null, $project_id) = split /--/, $form->{projectnumber};
		$project = qq| AND ac.project_id = $project_id |;
	}

	if ($form->{accno} || $form->{gifi_accno}) {
		# get category for account
		$query = qq|SELECT description, category, link, contra
					  FROM chart
					 WHERE accno = '$form->{accno}'|;

		if ($form->{accounttype} eq 'gifi') {
			$query = qq|SELECT description, category, link, contra
						  FROM chart
						 WHERE gifi_accno = '$form->{gifi_accno}'
						   AND charttype = 'A'|;
		}

		($form->{description}, $form->{category}, $form->{link}, $form->{contra}) = $dbh->selectrow_array($query);

		if ($form->{fromdate}) {

			if ($department_id) {

				# get beginning balance
				$query = "";
				$union = "";

				for (qw(ar ap gl)) {

					if ($form->{accounttype} eq 'gifi') {
						$query = qq| $union
									SELECT SUM(ac.amount)
									  FROM acc_trans ac
									  JOIN $_ a ON (a.id = ac.trans_id)
									  JOIN chart c ON (ac.chart_id = c.id)
									 WHERE c.gifi_accno = '$form->{gifi_accno}'
									   AND ac.transdate < '$form->{fromdate}'
									   AND a.department_id = $department_id
									 $project |;

					} else {

						$query .= qq| $union
									 SELECT SUM(ac.amount)
									   FROM acc_trans ac
									   JOIN $_ a ON (a.id = ac.trans_id)
									   JOIN chart c ON (ac.chart_id = c.id)
									  WHERE c.accno = '$form->{accno}'
										AND ac.transdate < '$form->{fromdate}'
										AND a.department_id = $department_id
									  $project |;
					}

					$union = qq| UNION ALL |;
				}

			} else {

				if ($form->{accounttype} eq 'gifi') {
					$query = qq|SELECT SUM(ac.amount)
								  FROM acc_trans ac
								  JOIN chart c ON (ac.chart_id = c.id)
								 WHERE c.gifi_accno = '$form->{gifi_accno}'
								   AND ac.transdate < '$form->{fromdate}'
								$project |;
				} else {
					$query = qq|SELECT SUM(ac.amount)
								  FROM acc_trans ac
								  JOIN chart c ON (ac.chart_id = c.id)
								 WHERE c.accno = '$form->{accno}'
								   AND ac.transdate < '$form->{fromdate}'
								$project |;
				}
			}

			($form->{balance}) = $dbh->selectrow_array($query);

		}
	}

	$query = "";
	$union = "";

	foreach my $id (@id) {

		# get all transactions
		$query .= qq|$union
					 SELECT a.id, a.reference, a.description, ac.transdate,
							$false AS invoice, ac.amount, 'gl' as module, ac.cleared,
							ac.source, '' AS till, ac.chart_id
					   FROM gl a
					   JOIN acc_trans ac ON (ac.trans_id = a.id)
							$dpt_join
					  WHERE ac.chart_id = $id
							$fromdate_where
							$todate_where
							$dpt_where
							$project

				  UNION ALL

					 SELECT a.id, a.invnumber, c.name, ac.transdate,
							a.invoice, ac.amount, 'ar' as module, ac.cleared,
							ac.source,
							a.till, ac.chart_id
					   FROM ar a
					   JOIN acc_trans ac ON (ac.trans_id = a.id)
					   JOIN customer c ON (a.customer_id = c.id)
							$dpt_join
					  WHERE ac.chart_id = $id
							$fromdate_where
							$todate_where
							$dpt_where
							$project

				  UNION ALL

					 SELECT a.id, a.invnumber, v.name, ac.transdate,
							a.invoice, ac.amount, 'ap' as module, ac.cleared,
							ac.source, a.till, ac.chart_id
					   FROM ap a
					   JOIN acc_trans ac ON (ac.trans_id = a.id)
					   JOIN vendor v ON (a.vendor_id = v.id)
							$dpt_join
					  WHERE ac.chart_id = $id
							$fromdate_where
							$todate_where
							$dpt_where
							$project |;

		$union = qq| UNION ALL |;
	}

	$query .= qq| ORDER BY $sortorder |;

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

	$query = qq|SELECT c.id, c.accno 
				  FROM chart c
				  JOIN acc_trans ac ON (ac.chart_id = c.id)
				 WHERE ac.amount >= 0
				   AND (c.link = 'AR' OR c.link = 'AP')
				   AND ac.trans_id = ?|;

	my $dr = $dbh->prepare($query) || $form->dberror($query);

	$query = qq|SELECT c.id, c.accno 
				  FROM chart c
				  JOIN acc_trans ac ON (ac.chart_id = c.id)
				 WHERE ac.amount < 0
				   AND (c.link = 'AR' OR c.link = 'AP')
				   AND ac.trans_id = ?|;

	my $cr = $dbh->prepare($query) || $form->dberror($query);

	my $accno;
	my $chart_id;
	my %accno;

	while (my $ca = $sth->fetchrow_hashref(NAME_lc)) {

		# gl
		if ($ca->{module} eq "gl") {
			$ca->{module} = "gl";
		}

		# ap
		if ($ca->{module} eq "ap") {
			$ca->{module} = ($ca->{invoice}) ? 'ir' : 'ap';
			$ca->{module} = 'ps' if $ca->{till};
		}

		# ar
		if ($ca->{module} eq "ar") {
			$ca->{module} = ($ca->{invoice}) ? 'is' : 'ar';
			$ca->{module} = 'ps' if $ca->{till};
		}

		if ($ca->{amount}) {
			%accno = ();

			if ($ca->{amount} < 0) {
				$ca->{debit} = $ca->{amount} * -1;
				$ca->{credit} = 0;
				$dr->execute($ca->{id});
				$ca->{accno} = ();

				while (($chart_id, $accno) = $dr->fetchrow_array) {
					$accno{$accno} = 1 if $chart_id ne $ca->{chart_id};
				}

				$dr->finish;

				for (sort keys %accno) { push @{ $ca->{accno} }, "$_ " }

			} else {

				$ca->{credit} = $ca->{amount};
				$ca->{debit} = 0;

				$cr->execute($ca->{id});
				$ca->{accno} = ();

				while (($chart_id, $accno) = $cr->fetchrow_array) {
					$accno{$accno} = 1 if $chart_id ne $ca->{chart_id};
				}

				$cr->finish;

				for (keys %accno) { push @{ $ca->{accno} }, "$_ " }

			}

			push @{ $form->{CA} }, $ca;
		}
	}

	$sth->finish;
	$dbh->disconnect;

}

1;