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.
###