package RPS::Import::WMG::AmpdBundles;

use strict;

use Date::Calc qw(Days_in_Month);

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

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

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


my %field_map = (
    5 => {
        artist  => 0,
        track   => 1,
        format  => 2,
        isrc    => 3,
        retail  => 7,
        price   => 8,
        units   => 9,
        date_row=> 1,
        date_col=> 1,
    },
    6 => {
        artist  => 0,
        track   => 1,
        format  => 2,
        isrc    => 3,
        upc     => 4,
        retail  => 8,
        price   => 9,
        units   => 10,
        date_row=> 1,
        date_col=> 1,
    },
);

# public methods

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

    my $fileObj = $args{file};
    my $version = $self->_version();
    my $offsets = $field_map{$version};

    my $lines = $args{sheets}->[1];
    return 0 unless ($lines);

    my ($dateBegin, $dateEnd) = _getDates($lines->[$offsets->{date_row}][$offsets->{date_col}]);
    unless ($dateBegin && $dateEnd)
    {
        $self->errstr("couldn't get dates");
        print STDERR "date: ".$lines->[$offsets->{date_row}][$offsets->{date_col}]."\n";
        return undef;
    }

    my $linenum = 1;
    my $prodtype = RPS::File::Sale::TYPE_TRACK;
    my $formatDefault = RPS::File::Sale::FORMAT_DUALDOWNLOAD;
    my $priceType = 'Standard/Bundle';

    my @billTo = RPS::Import::WMG::Util::getWirelessBillto($self->{fileServiceID});
    if ($billTo[0])
    {
        unless (RPS::Import::WMG::Util::getWirelessSellto($self->{fileServiceID}, $billTo[0]))
        {
            $self->warning();
            print STDERR "unknown sellto mapping: $billTo[0]\n";
        }
    }
    else
    {
        $self->warning();
        print STDERR "unknown billto mapping: $self->{fileServiceID}\n";
    }

    $fileObj->Atomic(1);
    $fileObj->Save();

    my %errors = ();

    foreach my $line(@$lines)
    {
        my $artist  = $line->[$offsets->{artist}];
        my $track   = $line->[$offsets->{track}];
        my $isrc    = normalize_isrc($line->[$offsets->{isrc}]);
        my $upc     = $version == 6 ? normalize_upc($line->[$offsets->{upc}]) : '';
        my $retail  = $self->numeric($line->[$offsets->{retail}]);
        my $price   = $self->numeric($line->[$offsets->{price}]);
        my $units   = $self->numeric($line->[$offsets->{units}]);

        # which is the real rate?
        my $rate = defined $retail && $retail != 0 ? $price / $retail : '';

        if ($units && $retail && ($artist || $track))
        {
            my $format = lc $line->[ $offsets->{format} ];
            my $formatID =
                $format eq 'mod' ? $formatDefault :
                RPS::Import::WMG::Util::getWirelessFormatTypeID($format);

            unless ($formatID)
            {
                unless ($errors{$format})
                {
                    $self->errstr('unknown format');
                    print STDERR "unknown format: $format\n";
                    $errors{$format} = 1;
                }
                $linenum++;
                next;
            }

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

            $sale->artistName($artist);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->formatType($formatID);
            $sale->isrc($isrc);
            $sale->lineNum($linenum);
            $sale->price($price);
            $sale->productType($prodtype);
            $sale->retail($retail);
            $sale->priceType($priceType);
            $sale->trackName($track);
            $sale->units($units);
            $sale->upc($upc);
            $sale->wholesaleRate($rate);

            #$args{dumper}($sale);  ## for cmd-line testing
            $self->_insertSale(sale => $sale);
        }#else { print STDERR "skip: u: $units r: $retail a: $artist t: $track ($linenum)\n"; }
        $linenum++;
    }
    return $linenum;
}

#
# Private methods
#

sub _getDates
{
    my $date = shift;

    my ($month, $year);
    if ($date =~ m/^(\d+)\D\d\d\D(\d\d\d\d)$/)
    {
        ($month, $year) = ($1, $2);
    }
    elsif ($date =~ m/^(\d\d\d\d)\D(\d+)\D\d\d$/)
    {
        ($year, $month) = ($1, $2);
    }
    else { return; }

    return (
        sprintf("%4d-%02d-01", $year, $month),
        sprintf("%4d-%02d-%d", $year, $month, Days_in_Month($year, $month))
    );
}

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