package RPS::Import::Amazon08Q3;
use strict;

use Date::Calc qw(Days_in_Month Decode_Month Add_Delta_Days);

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 = (
    5 => {
        sale_date          => 0,
        upc                => 1,
        service_product_id => 2,
        album              => 3,
        units              => 6,
        cost               => 7,
        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 $offsets  = $field_map{$version};

    return 0 unless $lines;

    my %errors  = ();
    my $linenum = 1;

    foreach my $line (@$lines) {

        my $album        = $line->[ $offsets->{album} ];
        my $price        = $line->[ $offsets->{price} ];
        my $units        = $line->[ $offsets->{units} ];
        my $salesRevenue = $line->[ $offsets->{cost} ];

        my $upc     = $line->[ $offsets->{upc} ]                if ( defined $offsets->{upc} );
        my $catalog = $line->[ $offsets->{service_product_id} ] if ( defined $offsets->{service_product_id} );
        my $product = RPS::File::Sale::TYPE_CD;

        if ( $price && $units && $album && $salesRevenue && ( lc($album) ne "title" ) ) {
            my ( $dateBegin, $dateEnd ) = _getDates( $line->[ $offsets->{sale_date} ] );

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

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

            if ( $units < 0 ) {
                $sale->returns( (-1) * $units );
                $sale->salesRevenue($salesRevenue);
                $sale->returnsRevenue($price);
                $sale->totalRevenue($price);
            } else {
                $sale->sales($units);
                $sale->salesRevenue($salesRevenue);
                $sale->totalRevenue($price);
            }

            $sale->currencyCode("USD");
            $sale->countryCode("US");

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

        $linenum++;
    }
    $fileObj->Physical(1) if ( $version == 4 );
    return $linenum;
}

#
# Private methods
#

sub _getDates {
    my $date = shift;
    print STDERR "Date $date\n";
    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 );
    }

    #08/01/2008
    elsif ( $date =~ m/(\d{2})\/(\d{2})\/(\d{4})/ ) {
        my $month = $1;
        my $day   = $2;
        my $year  = $3;

        print STDERR "Month: $month Day: $day Year: $year\n";

        my $dateBegin = $year . "-" . $month . "-01";
        my $dateEnd = $year . "-" . $month . "-" . Days_in_Month( $year, $month );

        return ( $dateBegin, $dateEnd );
    } elsif ( $date =~ m/^\d+$/ ) {

        my ( $year, $month, $day ) = numericToDate($date);

        return ( sprintf( "%d-%02d-01", $year, $month ), sprintf( "%d-%02d-%d", $year, $month, Days_in_Month( $year, $month ) ) );
    }
    return undef;
}

sub numericToDate {
    my $saleDate = shift;
    my @date = Add_Delta_Days( 1900, 1, 1, $saleDate );
    return wantarray ? @date : sprintf( "%d-%02d-%02d", @date );
}

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