package RPS::Import::AmazonWelk;
use strict;

use Date::Calc qw(Days_in_Month Decode_Month);

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

use lib '/app/tools/common/lib';
use Common::Util qw(normalize_upc normalize_isrc);

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

my %field_map = (
    3 => {
        date_row    => 0,
        date_col    => 0,
        album       => 1,
        track       => 2,
        product     => 3,
        units       => 4,
        price       => 5,
    },
);

sub _importLines
{
    my $self        = shift;
    my %args        = @_;
    my $lines       = $args{lines};
    my $fileObj     = $args{file};
    my $version     = $self->_version();
    my $fileName    = $fileObj->OrigFileName();
    my $format      = RPS::File::Sale::FORMAT_DOWNLOAD;
    my $offsets     = $field_map{$version};

    return 0 unless $lines;

    my ($dateBegin,$dateEnd) = _getDates($lines->[$offsets->{date_row}]->[$offsets->{date_col}]);
    my %errors = ();
    my $linenum = 1;
    foreach my $line(@$lines)
    {
        my $album   = $line->[$offsets->{album}];
        my $track   = $line->[$offsets->{track}];
        my $price   = $line->[$offsets->{price}];
        my $units   = $line->[$offsets->{units}];
        my $product = $line->[$offsets->{product}];

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

            $sale->albumName($album);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->formatType($format);
            $sale->lineNum($linenum);
            $sale->price($price);
            $sale->productType($product);
            $sale->trackName($track) if($product eq RPS::File::Sale::TYPE_TRACK);
            $sale->units($units);
            $sale->currencyCode("USD");
            $sale->countryCode("US");

            $self->_insertSale(sale => $sale);
        }
        #else { print STDERR "skip: ($linenum) p: $price u: $units\n"; }
        $linenum++;
    }

    return $linenum;
}

#
# Private methods
#


sub _getDates
{
    my $date    = shift;
    my ($smonth, $syear,$sday,$eday,$emonth,$eyear);
    if($date =~ m/(\d+)\D(\d+)\D(\d{4})\-(\d+)\D(\d+)\D(\d{4})/) {
        $smonth = $1;
        $sday   = $2;
        $syear  = $3;
        $emonth = $4;
        $eday   = $5;
        $eyear  = $6;
        return($syear."-".$smonth."-".$sday,$eyear."-".$emonth."-".$eday);
    }

    return undef;
}

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