package RPS::Import::Merlin::v4;

use strict;

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

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

use Data::Dumper;

sub _headerIdentifier { ( upc => 'EAN UPC' ) }

sub _fieldMap {
    {
        # Data
        labelName        => 'H',
        serviceID        => 'A',
        countryCode      => 'B',                   
        artistName       => 'E',
        upc              => 'D',
        albumName        => 'G',
        isrc             => 'C',
        trackName        => 'F',
        units            => 'I',
        currencyCode     => 'L',        
        price            => 'K',
    }
}

sub _unverifiedFieldMap {{
        # Footer
        distFee      => 'L',
}}

sub productType { return RPS::File::Sale::TYPE_TRACK; }
sub formatType  { return RPS::File::Sale::FORMAT_STREAM; }
sub mediaType   { return RPS::DB::Item::MediaType::kMediaTypeAudio; }


sub price {
    my $self = shift;

    my $price = $self->_getByFieldName('price');
    
    $self->fail( "Unable to determine distribution fee" ) unless( $self->{_distFee} );
    
    my $distFee = $self->{_distFee};
    $distFee = (100 - $distFee) * .01;
    $price *= $distFee;

    return $price;
}

sub currencyCode {
    my $self = shift;

    my $currencyCode = $self->_getByFieldName('currencyCode');
    
    $self->fail( "Encountered non-USD currency code - importer needs update" ) unless( $currencyCode eq 'USD' );

    return $currencyCode;
}

sub serviceID {
    my $self = shift;
    my $service = $self->_getByFieldName('serviceID');

    $self->fail( "Service name not defined" ) unless( $service );
    
    my $serviceID = $self->getServiceID(lc ($service)) || $RPS::Import::ServiceMap::SERVICE_ALIASES{ lc $service };

    $self->fail( "Unable to determine service id from '$service'" ) unless( $serviceID );

    return $serviceID;
}


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

	Log->info( "Starting _preProcess" );
    $self->SUPER::_preProcess(%args);

    my $distFee;

    foreach my $line(@{ $args{lines} }) {
        $self->{line} = $line;
        $distFee = $self->_getByFieldName('distFee');
        
        if ($distFee =~ /LESS Merlin ADMIN FEE \((.+?)%\)/)
        {    
    	    $self->{_distFee} = $1;
    	    last;
    	}
    }
}

sub saleDates {
	my $self = shift;

	return ($self->{_startDate}, $self->{_endDate}) if( $self->{_startDate} );

	$self->fail( "Unknown filename" ) unless( $self->filename );

	unless( $self->filename =~ /(\d{4})(\d{2})\./ ) {
	    $self->fail( "Could not determine period from filename '" . $self->filename . "'" );
	}

    my $startDate = sprintf( "%04d-%02d-%02d", $1, $2, 1 );

    ($self->{_startDate}, $self->{_endDate}) = $self->_getDates( date_begin => $startDate );

	return ($self->{_startDate}, $self->{_endDate});
}

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