package RPS::Import::LMMGSales;

use strict;


use Date::Calc qw(Days_in_Month Decode_Month);

use lib '/app/tools/common/lib';
use Common::Util;
use Common::Consts;

use lib '/app/tools/data_classes/lib';

use lib '/app/tools/rps/lib';
use RPS::File::Sale;
use RPS::Import::Importer;
use base 'RPS::Import::Importer';

use constant DATE_ROW => 1;
use constant DATE_COL => 0;

use constant FIELD_VENDORID  => 0;
use constant FIELD_CATNO     => 1;
use constant FIELD_ARTIST    => 2;
use constant FIELD_TITLE     => 3;
use constant FIELD_FORMAT    => 4;
use constant FIELD_SALES     => 5;
use constant FIELD_RETURNS   => 6;
use constant FIELD_SALES_P   => 9;
use constant FIELD_RETURNS_P => 10;
use constant FIELD_DEDUCTION => 12;
use constant FIELD_TOTAL     => 13;

#public methods

sub _importLines
{
	my $self = shift;
	my %args = @_;

	my $retval = undef;
    my $sheets = $args{sheets};
    my $lines  = $sheets->[1];

    my ($dateBegin, $dateEnd) = $self->_getDates($lines->[DATE_ROW]->[DATE_COL]);
    unless ($dateBegin && $dateEnd) {
        $self->errstr("couldn't get dates");
        return undef;
    }

    my $linenum = 1;
    foreach my $line(@$lines)
    {
        my $price_level = RPS::File::Sale::PLEVEL_FULL;
        my $channel     = RPS::File::Sale::CHANNEL_RETAIL;
        my $vendor_id   = $line->[FIELD_VENDORID];
        my $catno       = $line->[FIELD_CATNO];
        my $artist      = $line->[FIELD_ARTIST];
        my $title       = $line->[FIELD_TITLE];
        my $prodtype;
        if ($line->[FIELD_FORMAT] eq "CD") {
            $prodtype = RPS::File::Sale::TYPE_CD;
        } elsif ($line->[FIELD_FORMAT] eq "CDEP") {
            $prodtype = RPS::File::Sale::TYPE_CD;
        } elsif ($line->[FIELD_FORMAT] eq "CS") {
            $prodtype = RPS::File::Sale::TYPE_CASS;
        } elsif ($line->[FIELD_FORMAT] eq "LP") {
            $prodtype = RPS::File::Sale::TYPE_LP;
        } elsif ($line->[FIELD_FORMAT] eq "7-IN") {
            $prodtype = RPS::File::Sale::TYPE_EP;
        } elsif ($line->[FIELD_FORMAT] eq "DVD") {
            $prodtype = RPS::File::Sale::TYPE_DVD;
        } elsif ($line->[FIELD_FORMAT] eq "VHS - NTSC") {
            $prodtype = RPS::File::Sale::TYPE_DVD;
        }
   
        my ($sales,$returns,$sales_p,$returns_p,$total,$deduction);
        $sales	   	    = $line->[FIELD_SALES];
        $returns 	    = $line->[FIELD_RETURNS];
        $returns        *= -1 if($returns<0);
        $sales_p  	    = $line->[FIELD_SALES_P] if($sales>0);
        $returns_p	    = $line->[FIELD_RETURNS_P] if($returns>0);
        $returns_p      *= -1 if($returns_p<0);
        $deduction      = $line->[FIELD_DEDUCTION];
        $sales_p        -= $deduction if($sales_p+$returns_p>0);
        $sales_p        += ($deduction*-1) if($sales_p+$returns_p<0);
        $total          = $sales_p - $returns_p;

        if ($prodtype && ($sales > 0 || $returns > 0) && $catno)
        {
            my $sale = RPS::Import::SaleRec->new();
 
            $sale->productType($prodtype);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->albumName($title);
            $sale->artistName($artist);
            $sale->serviceProductID($vendor_id);
            $sale->clientProductID($catno);
            $sale->sales($sales);
            $sale->returns($returns);
            $sale->salesRevenue($sales_p) if($sales>0);
            $sale->returnsRevenue($returns_p) if($returns >0);
            $sale->totalRevenue($total);
            $sale->priceLevel($price_level);
            $sale->channel($channel);
            $sale->countryCode('US');
            $sale->lineNum($linenum);
    
            ##$args{dumper}($sale);  ## for cmd-line testing
            $self->_insertSale(sale => $sale);
        }
        $linenum++;
    }
	return $linenum;
}

#
# Private methods
#


sub _getDates
{
	my $self = shift;
	my $date = shift;

    my ($dateBegin, $dateEnd);

    if ($date =~ m/Sales Period: (\d\d\d\d)-(\d\d)$/) {

        my $year  = $1;
        my $month = $2;
        $dateBegin = sprintf("%04d-%02d-%02d", $year, $month, 1);
        $dateEnd   = sprintf("%04d-%02d-%02d", $year, $month, Days_in_Month($year, $month));
    
    } else {
        return undef;
    }

	return ($dateBegin, $dateEnd);
}

###
1;# Play nicely.
###