package RPS::Import::Merlin::v10;

use strict;

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

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

use Data::Dumper;
use Date::Calc qw(Days_in_Month Decode_Month);

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

sub _fieldMap {
    {
        # Header
        formatType       => 'C',
        dateBegin        => 'E',
        dateEnd          => 'F',

        # Detail
        labelName        => 'K',
        serviceID        => 'B',
        countryCode      => 'B',

        productType      => 'D',  # Sale configuration
        mediaType        => 'D',

        artistName       => 'H',
        upc              => 'E',
        albumName        => 'J',
        isrc             => 'F',
        trackName        => 'I',
        #units            => '',
        #currencyCode     => '',
        price            => 'U',
    }
}

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

sub units { return 1; }

sub currencyCode { return "USD"; }

sub saleDates {
    my $self = shift;
    return ($self->{_startDate}, $self->{_endDate}) if( $self->{_startDate} ); # from header; see _preProcess
}

sub serviceID {
    my $self = shift;
    return $self->{_serviceID}; # from header; see _preProcess
}

sub formatType  {
    my $self = shift;
    return $self->{_formatType}; # from header; see _preProcess
}

sub trackName {
    my $self = shift;
    my $title = $self->_getByFieldName('trackName');
    return ($self->productType eq RPS::File::Sale::TYPE_TRACK) ? $title : "";
}

sub productType {
    my $self = shift;
    my $type = $self->_getByFieldName('productType');
    if( $type =~ /^(track|stream)$/i )
    {
        return RPS::File::Sale::TYPE_TRACK;
    }
    elsif( $type =~ /^(bundle)$/i )
    {
        return RPS::File::Sale::TYPE_ALBUM;
    }
    $self->fail( "Unable to determine product type from '$type'" ) if ( $type );
}

sub mediaType {
    my $self = shift;

    my $type = $self->_getByFieldName('mediaType');
    if( $type =~ /^(track|bundle|stream)$/i )
    {
        return RPS::DB::Item::MediaType::kMediaTypeAudio;
    }

    $self->fail( "Unknown media type '$type'" );
}

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

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

    my $distFee;

    my $getDateFlag;       # set if we find a date header
    my $getFormatTypeFlag; # set if we find a report type header
    my $getServiceFlag;    # set if we find a service header

    foreach my $line(@{ $args{lines} }) {

        $self->{line} = $line;

        # Get the date from the header
        #
        if( !$getDateFlag && $self->_getByFieldName('dateBegin') =~ /report start date/i )
        {
            $getDateFlag = 1;
        }
        elsif( !$self->{_startDate} && $getDateFlag )
        {
            my $dt = $self->_getByFieldName('dateBegin');

            if( $dt =~/^(\d{4})-(\d{2})-(\d{2})$/ ) # YYYY-MM-DD
            {
                $self->{_startDate} = sprintf( "%04d-%02d-%02d", $1, $2, 1 );
                #$self->{_endDate}   = sprintf( "%04d-%02d-%02d", $1, $2, Days_in_Month($1, $2) );

                my $endDate = $self->_getByFieldName('dateEnd');
                my($y, $m, $d) = split("-", $endDate);
                $self->{_endDate}  = sprintf( "%04d-%02d-%02d", $y, $m, $d);
            }
            else
            {
                print STDERR "_preProcess: WARNING: Unable decode date '$dt'\n";
            }
        }

        # Get the report type from the header
        #
        if( !$getFormatTypeFlag && $self->_getByFieldName('formatType') =~ /report type/i )
        {
            $getFormatTypeFlag = 1;
        }
        elsif( !$self->{_formatType} && $getFormatTypeFlag )
        {
            my $format = $self->_getByFieldName('formatType');

            if( $format =~ /^(streaming)$/i )
            {
                $self->{_formatType} =  RPS::File::Sale::FORMAT_STREAM;
            }
            elsif( $format =~ /^(download)$/i )
            {
                $self->{_formatType} =  RPS::File::Sale::FORMAT_DOWNLOAD;
            }
            else
            {
                $self->fail( "Unknown format type '$format'" );
            }

        }

        # Get the service information from the header
        #
        if( !$getServiceFlag && $self->_getByFieldName('serviceID') =~ /dsp \(url\)/i )
        {
            $getServiceFlag = 1;
        }
        elsif( !$self->{_serviceID} && $getServiceFlag )
        {
            my $serviceData = $self->_getByFieldName('serviceID');
            my $serviceID;
            my $serviceName;

            if( $serviceData =~ /(.+) (\(.+\))$/ )
            {
                $serviceName = $1;
                $serviceID = $self->getServiceID($serviceName);
            }

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

            $self->{_serviceID} = $serviceID;
        }


        # Get the distribution fee from the footer
        #
        $distFee = $self->_getByFieldName('distFee');
        
        if ($distFee =~ /LESS Merlin ADMIN FEE \((.+?)%\)/)
        {    
            $self->{_distFee} = $1;
            last;
        }
    }
}

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