package RPS::Import::eMusicMech;

use strict;


use Date::Calc qw(Days_in_Month);

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

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

#private constants
use constant FIELD_ALBUM		=> 1;
use constant FIELD_VENDORID		=> 2;
use constant FIELD_TRACK		=> 3;
use constant FIELD_LABEL		=> 4;
use constant FIELD_UNITS		=> 6;
use constant FIELD_PRICE		=> 7;

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

#public methods

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

	my $lines = $args{lines};
    my $fileObj = $args{file};
    my $fileName = $fileObj->OrigFileName;
    ##my $fileName = $args{OrigFileName}; ## for cmd-line testing

    return undef unless ($lines);

    my ($dateBegin, $dateEnd) = $self->_getDates($fileName);

	my $linenum = 1;
	foreach my $line (@$lines)
	{
		my $prodtype	= RPS::File::Sale::TYPE_TRACK;
		my $format		= RPS::File::Sale::FORMAT_MECHANICAL;

		my $vendorid	= $line->[FIELD_VENDORID];
		my $album		= $line->[FIELD_ALBUM];
		my $track		= $line->[FIELD_TRACK];
		my $label		= $line->[FIELD_TRACK];
		my ($units)		= $line->[FIELD_UNITS] =~ m/^(-?\d+)$/;
		my ($price)		= $line->[FIELD_PRICE] =~ m/^(\d*\.?\d*)$/;

        $price = ($units != 0)?($price / $units):0;

		if ($prodtype && $dateBegin && $units && $price && $album && $track)
		{
			my $sale = RPS::Import::SaleRec->new();

			$sale->productType($prodtype);
			$sale->formatType($format);
			$sale->dateBegin($dateBegin);
			$sale->dateEnd($dateEnd);
            $sale->serviceProductID($vendorid);
			$sale->albumName($album);
			$sale->trackName($track);
			$sale->labelName($label);
			$sale->units($units);
			$sale->price($price);
			$sale->lineNum($linenum);
			$sale->countryCode('US');

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

	return $linenum;
}

#
# Private methods
#

sub _getDates {
    my $self  = shift;
    my $date  = shift;
    my ($beginDate, $endDate);

    $date =~ m/\s*q([1234])(\d{2})\s*/;
    my $qtr  = $1;
    my $year = $2 + 2000;

    if ($qtr == 1) {
        $beginDate = $year."-01-01";
        $endDate = $year."-03-".Days_in_Month($year, 3);
    } elsif ($qtr == 2) {
        $beginDate = $year."-04-01";
        $endDate = $year."-06-".Days_in_Month($year, 6);
    } elsif ($qtr == 3) {
        $beginDate = $year."-07-01";
        $endDate = $year."-09-".Days_in_Month($year, 9);
    } elsif ($qtr == 4) {
        $beginDate = $year."-10-01";
        $endDate = $year."-12-".Days_in_Month($year, 12);
    }

    return ($beginDate, $endDate);
}


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