package RPS::Import::Amazon08Q1;
use strict;

use Date::Calc qw(Days_in_Month Decode_Month);

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

use lib '/app/tools/common/lib';
use Common::Util qw(normalize_upc normalize_isrc);

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

my %field_map = (
    3 => {
        date_row => 0,
        date_col => 0,
        album    => 1,
        track    => 2,
        product  => 3,
        units    => 4,
        price    => 6,
    },
    4 => {
        date               => 0,
        upc                => 1,
        service_product_id => 2,
        album              => 3,
        units              => 4,
        price              => 8,

    },
);

sub _importLines {
    my $self     = shift;
    my %args     = @_;
    my $lines    = $args{lines};
    my $fileObj  = $args{file};
    my $version  = $self->_version();
    my $fileName = $fileObj->OrigFileName();
    my $format   = RPS::File::Sale::FORMAT_DOWNLOAD;
    my $offsets  = $field_map{$version};

    return 0 unless $lines;

    my ( $dateBegin, $dateEnd ) = _getDates( $lines->[ $offsets->{date_row} ]->[ $offsets->{date_col} ] );
    my %errors  = ();
    my $linenum = 1;
    ( $dateBegin, $dateEnd ) = _getDates( $lines->[ $offsets->{date_row} ]->[ $offsets->{date_col} ] ) if ( defined $offsets->{date_row} );
    foreach my $line (@$lines) {
        ( $dateBegin, $dateEnd ) = _getDates( $line->[ $offsets->{date} ] ) if ( defined $offsets->{date} );
        my $album   = $line->[ $offsets->{album} ];
        my $track   = $line->[ $offsets->{track} ] if ( defined $offsets->{track} );
        my $price   = $line->[ $offsets->{price} ];
        my $units   = $line->[ $offsets->{units} ];
        my $product = uc( $line->[ $offsets->{product} ] );
        my $upc     = $line->[ $offsets->{upc} ] if ( defined $offsets->{upc} );
        my $catalog = $line->[ $offsets->{service_product_id} ] if ( defined $offsets->{service_product_id} );
        $product = RPS::File::Sale::TYPE_CD if ( $version != 3 );

        if ( $price && $units && $units !~ /units/i && ( $track && $track !~ /track_name/ || $album && $album !~ /album_name/ ) ) {
            unless ( $product =~ /(A|T|2)/ ) {
                print STDERR "Unknown Product: " . $product . " l:" . $linenum . "\n";
                $self->errstr( "Unknown Product: " . $product . " l:" . $linenum );
                return undef;
            }

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

            $sale->serviceProductID($catalog) if ( defined $offsets->{service_product_id} );
            $sale->albumName($album);
            $sale->trackName($track) if ( defined $offsets->{track} );
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->lineNum($linenum);
            $sale->upc($upc) if ( defined $offsets->{upc} );
            $sale->productType($product);

            if ( $version == 4 ) {
                $sale->sales($units) if ( $units > 0 );
                $sale->salesRevenue($price);
                $sale->totalRevenue($price);
            } else {
                $sale->formatType($format);
                $sale->units($units) if ( $units != 0 );
                $price /= $units if ( $units != 0 );
                $sale->price($price);
            }
            $sale->currencyCode("USD");
            $sale->countryCode("US");

            $self->_insertSale( sale => $sale );
        }

        #else { print STDERR "skip: ($linenum) p: $price u: $units\n"; }
        $linenum++;
    }
    $fileObj->Physical(1) if ( $version == 4 );
    return $linenum;
}

#
# Private methods
#

sub _getDates {
    my $date = shift;
    my ( $smonth, $syear, $sday, $eday, $emonth, $eyear );
    if ( $date =~ m/(\d+)\D(\d+)\D(\d{4})\-(\d+)\D(\d+)\D(\d{4})/ ) {
        $smonth = $1;
        $sday   = $2;
        $syear  = $3;
        $emonth = $4;
        $eday   = $5;
        $eyear  = $6;
        return ( $syear . "-" . $smonth . "-" . $sday, $eyear . "-" . $emonth . "-" . $eday );
    } elsif ( $date =~ m/(\d+)\D(\w+)\D(\d{4})/ ) {
        $smonth = $2;
        $syear  = $3;
        my $dateBegin = $syear . "-" . Decode_Month($smonth) . "-01";
        my $dateEnd = $syear . "-" . Decode_Month($smonth) . "-" . Days_in_Month( $syear, Decode_Month($smonth) );
        return ( $dateBegin, $dateEnd );
    }
    return undef;
}

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