#=====================================================================
# LX-Office ERP
# Copyright (C) 2004
# Based on SQL-Ledger Version 2.1.9
# Web http://www.lx-office.org
#
#=====================================================================
# SQL-Ledger Accounting
# Copyright (C) 2001
#
#  Author: Dieter Simader
#   Email: dsimader@sql-ledger.org
#     Web: http://www.sql-ledger.org
#
#  Contributors:
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#======================================================================
# chart of accounts
#
# CHANGE LOG:
#   DS. 2000-07-04  Created
#
#======================================================================

package CA;
use Data::Dumper;

sub all_accounts {
  $main::lxdebug->enter_sub();

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

  my $amount = ();

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

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

  $main::lxdebug->leave_sub();
}

sub all_transactions {
  $main::lxdebug->enter_sub();

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

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

  # get chart_id
  my $query = qq|SELECT c.id FROM chart c
                 WHERE c.accno = '$form->{accno}'|;
  if ($form->{accounttype} eq 'gifi') {
    $query = qq|SELECT c.id FROM chart c
                WHERE c.gifi_accno = '$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;

  my $where = '1 = 1';

  # build WHERE clause from dates if any
  #  if ($form->{fromdate}) {
  #    $where .= " AND ac.transdate >= '$form->{fromdate}'";
  #  }
  #  if ($form->{todate}) {
  #    $where .= " AND ac.transdate <= '$form->{todate}'";
  #  }

  if ($form->{fromdate}) {
    $fromto = " AND ac.transdate >= '$form->{fromdate}'";
    $subwhere .= " AND transdate >= '$form->{fromdate}'";
    $glwhere = " AND ac.transdate >= '$form->{fromdate}'";
  }

  if ($form->{todate}) {
    $fromto   .= " AND ac.transdate <= '$form->{todate}'";
    $subwhere .= " AND transdate <= '$form->{todate}'";
  }

  if ($form->{eur}) {
    $AR_PAID = qq|AND ac.trans_id IN
		   (
		     SELECT trans_id
		     FROM acc_trans
		     JOIN chart ON (chart_id = id)
		     WHERE link LIKE '%AR_paid%'
		     $subwhere
		   )|;
    $AP_PAID = qq|AND ac.trans_id IN
		   (
		     SELECT trans_id
		     FROM acc_trans
		     JOIN chart ON (chart_id = id)
		     WHERE link LIKE '%AP_paid%'
		     $subwhere
		   )|;
  } else {
    $where .= $fromto;
    $AR_PAID = "";
    $AP_PAID = "";
    $glwhere = "";
  }
  my $sortorder = join ', ',
    $form->sort_columns(qw(transdate reference description));
  my $false = ($myconfig->{dbdriver} eq 'Pg') ? FALSE: q|'0'|;

  # Oracle workaround, use ordinal positions
  my %ordinal = (transdate   => 4,
                 reference   => 2,
                 description => 3);
  map { $sortorder =~ s/$_/$ordinal{$_}/ } keys %ordinal;

  my ($null, $department_id) = split /--/, $form->{department};
  my $dpt_where;
  my $dpt_join;
  if ($department_id) {
    $dpt_join = qq|
                   JOIN department t ON (t.trans_id = ac.trans_id)
		  |;
    $dpt_where == qq|
		   AND t.department_id = $department_id
		  |;
  }

  my $project;
  if ($form->{project_id}) {
    $project = qq|
                 AND ac.project_id = $form->{project_id}
		 |;
  }

  if ($form->{accno} || $form->{gifi_accno}) {

    # get category for account
    $query = qq|SELECT c.category
                FROM chart c
		WHERE c.accno = '$form->{accno}'|;

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

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

    $sth->execute || $form->dberror($query);
    ($form->{category}) = $sth->fetchrow_array;
    $sth->finish;

    if ($form->{fromdate}) {

      # get beginning balance
      $query = qq|SELECT SUM(ac.amount)
		  FROM acc_trans ac
		  JOIN chart c ON (ac.chart_id = c.id)
		  $dpt_join
		  WHERE c.accno = '$form->{accno}'
		  AND ac.transdate < '$form->{fromdate}'
		  $dpt_where
		  $project
		  |;

      if ($form->{project_id}) {

        $query .= qq|

	       UNION

	          SELECT SUM(ac.qty * ac.sellprice)
		  FROM invoice ac
		  JOIN ar a ON (ac.trans_id = a.id)
		  JOIN parts p ON (ac.parts_id = p.id)
		  JOIN chart c ON (p.income_accno_id = c.id)
		  $dpt_join
		  WHERE c.accno = '$form->{accno}'
		  AND a.transdate < '$form->{fromdate}'
		  AND c.category = 'I'
		  $dpt_where
		  $project

	       UNION

	          SELECT SUM(ac.qty * ac.sellprice)
		  FROM invoice ac
		  JOIN ap a ON (ac.trans_id = a.id)
		  JOIN parts p ON (ac.parts_id = p.id)
		  JOIN chart c ON (p.expense_accno_id = c.id)
		  $dpt_join
		  WHERE c.accno = '$form->{accno}'
		  AND a.transdate < '$form->{fromdate}'
		  AND c.category = 'E'
		  $dpt_where
		  $project
		  |;

      }

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

        if ($form->{project_id}) {

          $query .= qq|

	       UNION

	          SELECT SUM(ac.qty * ac.sellprice)
		  FROM invoice ac
		  JOIN ar a ON (ac.trans_id = a.id)
		  JOIN parts p ON (ac.parts_id = p.id)
		  JOIN chart c ON (p.income_accno_id = c.id)
		  $dpt_join
		  WHERE c.gifi_accno = '$form->{gifi_accno}'
		  AND a.transdate < '$form->{fromdate}'
		  AND c.category = 'I'
		  $dpt_where
		  $project

	       UNION

	          SELECT SUM(ac.qty * ac.sellprice)
		  FROM invoice ac
		  JOIN ap a ON (ac.trans_id = a.id)
		  JOIN parts p ON (ac.parts_id = p.id)
		  JOIN chart c ON (p.expense_accno_id = c.id)
		  $dpt_join
		  WHERE c.gifi_accno = '$form->{gifi_accno}'
		  AND a.transdate < '$form->{fromdate}'
		  AND c.category = 'E'
		  $dpt_where
		  $project
		  |;

        }
      }

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

      $sth->execute || $form->dberror($query);
      ($form->{balance}) = $sth->fetchrow_array;
      $sth->finish;
    }
  }

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

  foreach my $id (@id) {

    # get all transactions
    $query .= qq|$union
      SELECT g.id, g.reference, g.description, ac.transdate,
	     $false AS invoice, ac.amount, 'gl' as module
		FROM gl g, acc_trans ac $dpt_from
		WHERE $where
		$glwhere
		$dpt_join
		$project
		AND ac.chart_id = $id
		AND ac.trans_id = g.id
      UNION
      SELECT a.id, a.invnumber, c.name, ac.transdate,
	     a.invoice, ac.amount, 'ar' as module
		FROM ar a, acc_trans ac, customer c $dpt_from
		WHERE $where
		$dpt_join
		$project
		AND ac.chart_id = $id
		AND ac.trans_id = a.id
                $AR_PAID
		AND a.customer_id = c.id
      UNION
      SELECT a.id, a.invnumber, v.name, ac.transdate,
	     a.invoice, ac.amount, 'ap' as module
		FROM ap a, acc_trans ac, vendor v $dpt_from
		WHERE $where
		$dpt_join
		$project
		AND ac.chart_id = $id
		AND ac.trans_id = a.id
		$AP_PAID
		AND a.vendor_id = v.id
		|;
    $union = qq|
      UNION ALL
      |;

    if ($form->{project_id}) {

      $fromdate_where =~ s/ac\./a\./;
      $todate_where   =~ s/ac\./a\./;

      $query .= qq|

             UNION ALL

                 SELECT a.id, a.invnumber, c.name, a.transdate,
	         a.invoice, ac.qty * ac.sellprice AS sellprice, 'ar' as module
		 FROM ar a
		 JOIN invoice ac ON (ac.trans_id = a.id)
		 JOIN parts p ON (ac.parts_id = p.id)
		 JOIN customer c ON (a.customer_id = c.id)
		 $dpt_join
		 WHERE p.income_accno_id = $id
		 $fromdate_where
		 $todate_where
		 $dpt_where
		 $project

             UNION ALL

                 SELECT a.id, a.invnumber, v.name, a.transdate,
	         a.invoice, ac.qty * ac.sellprice AS sellprice, 'ap' as module
		 FROM ap a
		 JOIN invoice ac ON (ac.trans_id = a.id)
		 JOIN parts p ON (ac.parts_id = p.id)
		 JOIN vendor v ON (a.vendor_id = v.id)
		 $dpt_join
		 WHERE p.expense_accno_id = $id
		 $fromdate_where
		 $todate_where
		 $dpt_where
		 $project
		 |;

      $fromdate_where =~ s/a\./ac\./;
      $todate_where   =~ s/a\./ac\./;

    }

    $union = qq|
             UNION ALL
                 |;
  }

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

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

  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';
    }

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

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

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

  }

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

  $main::lxdebug->leave_sub();
}

1;