package RPS::Import::RealStream;

use strict;


use Date::Calc qw(Days_in_Month);

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

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

#private constants
use constant FIELD_LABEL_ALT    => 0;
use constant FIELD_LABEL		=> 1;
use constant FIELD_ARTIST		=> 2;
use constant FIELD_ALBUM		=> 3;
use constant FIELD_TRACK		=> 4;
use constant FIELD_UPC			=> 5;
use constant FIELD_TRACKNUM		=> 7;
use constant FIELD_ISRC			=> 8;
use constant FIELD_UNITS		=> 9;
use constant FIELD_ALBUMID		=> 10;
use constant FIELD_TRACKID		=> 11;
use constant FIELD_CATALOGID	=> 12;
use constant FIELD_DATEBEGIN	=> 13;
use constant FIELD_DATEEND		=> 14;
use constant FIELD_FREE			=> 16;

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 $version = $fileObj->VersionNum;

	if ($lines && $version)
	{
		my $dateBegin;
		my $dateEnd;

#		($dateBegin, $dateEnd) = $self->_getDates($lines);

#		if ($dateBegin && $dateEnd)
#		{
			my $linenum = 1;
			foreach my $line(@$lines)
			{
				if ($linenum > 1)
				{
					my $prodtype	= RPS::File::Sale::TYPE_TRACK;
					my $clientID	= $line->[FIELD_TRACKID];
					my $upc			= Common::Util::normalize_upc($line->[FIELD_UPC]);
					my $isrc		= Common::Util::normalize_isrc($line->[FIELD_ISRC]);
					my $artist		= $line->[FIELD_ARTIST];
					my $album		= $line->[FIELD_ALBUM];
					my $track		= $line->[FIELD_TRACK];
					my $label		= $line->[FIELD_LABEL] || $line->[FIELD_LABEL_ALT];
					my ($trackNum)	= $line->[FIELD_TRACKNUM];
					my $format		= RPS::File::Sale::FORMAT_STREAM;
					my ($units)		= $line->[FIELD_UNITS];

                    ($dateBegin, $dateEnd) = $self->_getDates(date_begin => $line->[FIELD_DATEBEGIN], date_end => $line->[FIELD_DATEEND]);

                    my $countryCode = 'US';

					my $free = 0;
					if ($version == 3)
					{
						#sometimes there's extra baggage after the 'Y', so we let that slide
						if ($line->[FIELD_FREE] =~ m/^y/i)
						{
							$free = 1;
						}
					}

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

						$sale->productType($prodtype);
						$sale->formatType($format);
						$sale->dateBegin($dateBegin);
						$sale->dateEnd($dateEnd);
						$sale->clientProductID($clientID);
						$sale->upc($upc);
						$sale->isrc($isrc);
						$sale->artistName($artist);
						$sale->albumName($album);
						$sale->trackName($track);
						$sale->labelName($label);
						$sale->trackNum($trackNum);
						$sale->units($units);
						$sale->lineNum($linenum);
						$sale->free($free);
                        $sale->countryCode($countryCode);

						$self->_insertSale(sale => $sale);
					}
                    else { print STDERR "missing input\n"; }
				}
				$linenum++;
			}
			$retval = $linenum;
#		}
	}

	return $retval;
}

#
# Private methods
#


sub __getDates
{
	my $self = shift;
	my $lines = shift;

	my $dateBegin;
	my $dateEnd;

	foreach my $line(@$lines)
	{
		my $date = Common::Util::normalize_date($line->[FIELD_DATEBEGIN]);

		if ($date)
		{
			if ($date < $dateBegin || !$dateBegin)
			{
				$dateBegin = $date;
			}
		}

		$date = Common::Util::normalize_date($line->[FIELD_DATEEND]);

		if ($date)
		{
			if ($date > $dateEnd || !$dateEnd)
			{
				$dateEnd = $date;
			}
		}
	}

	if ($dateBegin)
	{
		substr($dateBegin, 8) = "01";
	}

	if ($dateEnd)
	{
		substr($dateEnd, -2) = Days_in_Month(substr($dateEnd, 0, 4), substr($dateEnd, 5, 2));
	}

	return ($dateBegin, $dateEnd);
}

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