package RPS::Import::Muze;

use strict;


use Date::Calc qw(Days_in_Month);

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';

# version mapping
my %field_map = (
    1 => {
        prodID   => 0,
        trackNum => 2,
        artist   => 3,
        album    => 4,
        track    => 5,
        units    => 8,
    },
);

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

	my $lines = $args{lines};
    my $fileObj = $args{file};
    my $fileName = $fileObj->OrigFileName;
    #my $fileName = $args{OrigFileName}; # for cmd-line testing

    my $map = $field_map{$fileObj->VersionNum};
    #my $map = $field_map{$args{version}}; # for cmd-line testing

	return undef unless $lines;
    my ($dateBegin, $dateEnd) = $self->_getDates($fileName);

    unless ($dateBegin && $dateEnd)
    {
        $self->errstr("couldn't get dates");
        print STDERR "filename: $fileName\n";
        return undef;
    }

    my $linenum = 1;
    foreach my $line(@$lines)
    {
        my $prodID   = $line->[$map->{prodID}];
        my $artist   = $line->[$map->{artist}];
        my $album    = $line->[$map->{album}];
        my $track    = $line->[$map->{track}];
        my $trackNum = $line->[$map->{trackNum}];
        my ($units)  = $line->[$map->{units}] =~ m/^(\d+\.\d+)$/;

        if ($units && $album && $track)
        {
            $album =~ s/\s\*$//;
            # re-calc units
            $units = sprintf("%0.0f", $units);

            my $sale = RPS::Import::SaleRec->new();

            $sale->productType(RPS::File::Sale::TYPE_TRACK);
            $sale->formatType(RPS::File::Sale::FORMAT_STREAM);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->serviceProductID($prodID);
            $sale->artistName($artist);
            $sale->albumName($album);
            $sale->trackName($track);
            $sale->trackNum($trackNum);
            $sale->units($units);
            $sale->lineNum($linenum);

            #$args{dumper}($sale);
            $self->_insertSale(sale => $sale);
        } else { print STDERR "skip: u: $units a: $album t: $track ($linenum)\n"; }
        $linenum++;
	}

	return $linenum;
}

#
# Private methods
#

sub _getDates
{
	my $self = shift;
	my $fName = shift;
    my ($month, $year);

    if ($fName =~ m/WEA(\d)(\d\d)\./)
    {
        ($month, $year) = ($2, $1);
        $year += 2000;
    }
    elsif (my ($d1) = $fName =~ m/(\d+)_\d+_/)
    {
        ($month) = $d1 =~ m/^(\d\d)/;
        ($year)  = $d1 =~ m/(\d{4})$/;
    }

	return undef unless ($month && $year);

    return (
        sprintf("%04d-%02d-%02d", $year, $month, 1),
        sprintf("%04d-%02d-%02d", $year, $month, Days_in_Month($year, $month)),
    );
}

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