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.
###