package RPS::Import::Merlin::v3;

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 => 'UPC' ) }

sub _fieldMap {
    {
        # Header  

        # Data
        labelName        => 'I',
        serviceID        => 'A',
        countryCode      => 'D',
        currencyCode     => 'E',
        dateBegin        => 'B', 
        dateEnd          => 'C',                      
        artistName       => 'K',
        upc              => 'G',
        isrc             => 'H',
        trackName        => 'L',
        units            => 'M',
        price            => 'R',
        mediaType        => 'N',
    }
}

sub _unverifiedFieldMap {{
        # Footer
        distFee      => 'S',
        revShare     => 'Q',
}}

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 _processHeader {
    my $self = shift;

    unless( $self->{_currencyCode} ) {
        my $headerStr = $self->_getByFieldName('currencyCode') || return;        
        my $currencyCode;

        if ($headerStr =~ /^(\w{3}) PAYABLE$/)
        { 
            $currencyCode = $1;
        }

        $self->{_currencyCode} = $currencyCode if( $currencyCode);
    }
}

sub price {
    my $self = shift;

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

    return $price;
}

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;
}

my %currencyConversions;

sub conversionRate {
    my $self = shift;  
    my $revShare = $self->_getByFieldName('revShare');
    my $convertedRev = $self->_getByFieldName('price');
    my $currencyCode = $self->_getByFieldName('currencyCode');
    
    my $conversionRate;
    
    if ($currencyCode eq 'USD')
    {
        $conversionRate = 1;
    }
    else
    {
        $conversionRate = sprintf("%.8f", $convertedRev / $revShare);
    }
    
    if ($currencyConversions{$currencyCode})
    {
        if ( $currencyConversions{$currencyCode} != $conversionRate)
        {
            $self->fail( "Found different conversion rates for same currency $currencyCode: $conversionRate and $currencyConversions{$currencyCode}" )
        }
    }
    else
    {
        $currencyConversions{$currencyCode} = $conversionRate;
    }
    
    return $conversionRate;
}

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 _postProcess {
 	my $self = shift;
	my %args = @_;

	Log->info( "Starting _postProcess" );
    $self->SUPER::_postProcess(%args);   
    
    my $file = $args{file};   
    
    foreach my $currencyCode (keys %currencyConversions)
    {
        my $conversionRate = $currencyConversions{$currencyCode};

        $file->SetMultipleConversionRate($currencyCode,$conversionRate);
    }       
}

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