package RPS::Import::RoughTradeDist;

use strict;

use Date::Calc qw(Days_in_Month Decode_Month);

use lib '/app/tools/common/lib';
use Common::Util;
use Common::Consts;

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

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

use constant FIELD_UPC      => 3;
use constant FIELD_PRICE    => 4;
use constant FIELD_SALES    => 7;
use constant FIELD_RETURNS  => 8;
use constant FIELD_CURRENCY => 13;
use constant FIELD_TOTAL    => 14;
use constant FIELD_PERIOD   => 15;

my %field_map = (
    1 => {
        upc      => 3,
        price    => 4,
        sales    => 7,
        returns  => 8,
        currency => 13,
        total    => 14,
        period   => 15,
    },
    2 => {
        upc      => 3,
        sales    => 5,
        returns  => 6,
        price    => 11,
        currency => 13,
        total    => 14,
        period   => 15,
    },
    3 => {
        upc      => 2,
        sales    => 4,
        returns  => 5,
        price    => 10,
        currency => 12,
        total    => 13,
        period   => 14,
    },
);

#public methods

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

    my $retval  = undef;
    my $lines   = $args{lines};
    my $version = $args{file}->VersionNum();

    #my $version = $args{version}; # for cmd-line testing

    my $offsets = $field_map{$version};

    my $linenum = 1;
    foreach my $line (@$lines) {
        if ( $linenum == 1 ) {
            $linenum++;
            next;
        }
        my $prodtype    = RPS::File::Sale::TYPE_PHYSICAL;
        my $price_level = RPS::File::Sale::PLEVEL_FULL;
        my $channel     = RPS::File::Sale::CHANNEL_RETAIL;
        my $upc         = $line->[ $offsets->{'upc'} ];
        my $currency    = $line->[ $offsets->{'currency'} ];

        my ( $dateBegin, $dateEnd ) = $self->_getDates( $line->[ $offsets->{'period'} ] );
        my ($sales)   = $line->[ $offsets->{'sales'} ] =~ m/^(-?\d+)$/;
        my ($returns) = $line->[ $offsets->{'returns'} ] =~ m/^(-?\d+)$/;
        my ($price)   = $line->[ $offsets->{'price'} ] =~ m/^(-?\d*\.?\d*)$/;
        my ($total)   = $line->[ $offsets->{'total'} ] =~ m/^(-?\d*\.?\d*)$/;

        $returns = abs($returns);
        my $sales_price   = $sales * $price;
        my $returns_price = $returns * $price;

        if ( $prodtype && ( $sales || $returns ) && $upc ) {
            unless ( $dateBegin && $dateEnd ) {
                $self->errstr( "couldn't get dates from " . $line->[ $offsets->{'period'} ] );
                return undef;
            }

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

            $sale->productType($prodtype);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->upc($upc);
            $sale->sales($sales);
            $sale->returns($returns);
            $sale->wholesalePrice($price);
            $sale->salesRevenue($sales_price);
            $sale->returnsRevenue($returns_price);
            $sale->totalRevenue($total);
            $sale->priceLevel($price_level);
            $sale->channel($channel);
            $sale->countryCode('DE');
            $sale->currencyCode($currency);
            $sale->lineNum($linenum);

            ##$args{dumper}($sale);  ## for cmd-line testing
            $self->_insertSale( sale => $sale );
        }
        $linenum++;
    }
    return $linenum;
}

#
# Private methods
#

sub _getDates {
    my $self = shift;
    my $date = shift;

    my ( $dateBegin, $dateEnd );
    if ( $date =~ m/^(\d\d)(\d\d)$/ ) {
        my $year  = $1 + 2000;
        my $month = $2;

        $dateBegin = sprintf( "%04d-%02d-%02d", $year, $month, 1 );
        $dateEnd = sprintf( "%04d-%02d-%02d", $year, $month, Days_in_Month( $year, $month ) );
        return ( $dateBegin, $dateEnd );
    }
    return undef;
}

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