package RPS::Import::Loudeye;

use strict;

use Date::Calc qw(Days_in_Month);

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

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

#private constants
use constant FIELD_UPC      => 1;
use constant FIELD_ISRC     => 2;
use constant FIELD_TRACKNUM => 4;
use constant FIELD_ARTIST   => 5;
use constant FIELD_ALBUM    => 6;
use constant FIELD_TRACK    => 7;
use constant FIELD_PRODTYPE => 8;
use constant FIELD_UNITS    => 9;
use constant FIELD_PRICE    => 10;

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

#public methods

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

    my $retval   = undef;
    my $lines    = $args{lines};
    my $fileObj  = $args{file};
    my $fileName = $fileObj->OrigFileName;

    if ( $lines && $fileName ) {
        my ( $dateBegin, $dateEnd ) = $self->_getDates($fileName);

        if ( $dateBegin && $dateEnd ) {
            my $linenum = 1;
            foreach my $line (@$lines) {
                if ( $linenum > 1 ) {
                    my $prodtype;
                    if ( $line->[FIELD_PRODTYPE] =~ m/^track$/i ) {
                        $prodtype = RPS::File::Sale::TYPE_TRACK;
                    } elsif ( $line->[FIELD_PRODTYPE] =~ m/^album$/i ) {
                        $prodtype = RPS::File::Sale::TYPE_ALBUM;
                    }

                    my $format     = RPS::File::Sale::FORMAT_DOWNLOAD;
                    my $isrc       = Common::Util::normalize_isrc( $line->[FIELD_ISRC] );
                    my $upc        = Common::Util::normalize_upc( $line->[FIELD_UPC] );
                    my $artist     = $line->[FIELD_ARTIST];
                    my $album      = $line->[FIELD_ALBUM];
                    my $track      = $line->[FIELD_TRACK];
                    my ($trackNum) = $line->[FIELD_TRACKNUM] =~ m/^(\d+)$/;
                    my ($units)    = $line->[FIELD_UNITS] =~ m/^(-?\d+)$/;
                    my ($price)    = $line->[FIELD_PRICE] =~ m/^(\d*\.\d*)$/;

                    if ( $units && $price && $artist && ( $album || $track ) ) {
                        my $sale = RPS::Import::SaleRec->new();

                        $sale->productType($prodtype);
                        $sale->formatType($format);
                        $sale->dateBegin($dateBegin);
                        $sale->dateEnd($dateEnd);
                        $sale->isrc($isrc);
                        $sale->upc($upc);
                        $sale->artistName($artist);
                        $sale->albumName($album);
                        $sale->trackName($track);
                        $sale->trackNum($trackNum);
                        $sale->units($units);
                        $sale->price($price);
                        $sale->lineNum($linenum);

                        $self->_insertSale( sale => $sale );
                    }
                }
                $linenum++;
            }
            $retval = $linenum;
        }
    }

    return $retval;
}

#
# Private methods
#

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

    my $dateBegin;
    my $dateEnd;

    my ( $month, $year ) = $fileName =~ m/(\d\d?)-(20\d\d)/;

    if ( $year && $month ) {
        $dateBegin = sprintf( "%04d-%02d-%02d", $year, $month, 1 );
        $dateEnd = sprintf( "%04d-%02d-%02d", $year, $month, Days_in_Month( $year, $month ) );
    }

    return ( $dateBegin, $dateEnd );
}

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