package RPS::Import::NineSquared;

use strict;


use Date::Calc qw(Days_in_Month);
use Spreadsheet::ParseExcel;

use lib '/app/tools/common/lib';
use Common::Util qw(normalize_date);
use Common::Consts;

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

#private constants
use constant FIELD_STARTDATE	=> 0;
use constant FIELD_VENDORID		=> 3;
use constant FIELD_ARTIST		=> 1;
use constant FIELD_TITLE		=> 5;
use constant FIELD_UNITS		=> 11;
use constant FIELD_TOTALPRICE	=> 14;

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 = @_;

	#
	# The NineSquared report comes in 3 sheets of data.
	# Each sheet is for a particular month in a quarter.
	# So, get our data from the 'sheets' param, not the 
	# 'lines' param.
	#
	my $retval = undef;
	my $sheets = $args{sheets};
    my $sheet_names = $args{sheet_names};
    my $linenum;
    my $sheet_count = 0;

	if($sheets)
	{
		foreach my $sheet (@$sheets)
		{
			my $dateBegin;
			my $dateEnd;
        if($sheet_names->[$sheet_count] !~ /summary/) {
			$linenum = 1;
			foreach my $line (@$sheet)
			{
                    my ($dateBegin,$dateEnd) = _getDates($line->[FIELD_STARTDATE]);
					my $prodtype 	= RPS::File::Sale::TYPE_TRACK;
					my $format		= RPS::File::Sale::FORMAT_RINGTONE;

					my $vendorID	= $line->[FIELD_VENDORID];
					my $artist		= $line->[FIELD_ARTIST];
					my $title		= $line->[FIELD_TITLE];
					my $track		= $title;
					my $units		= $line->[FIELD_UNITS];
					my $total_price	= $line->[FIELD_TOTALPRICE];
					my $price = $total_price / $units if($units > 0);

					if ($units && $price && $artist && $title)
					{
                        unless ($dateBegin && $dateEnd) {
                            print STDERR "Could not get dates from l:".$linenum ." d:".$line->[FIELD_STARTDATE]."\n";
                            $self->errstr("couldn't get dates from l:".$linenum ." d:".$line->[FIELD_STARTDATE]);      
                            return undef;
                        }
						my $sale = RPS::Import::SaleRec->new();

						$sale->productType($prodtype);
						$sale->formatType($format);
						$sale->dateBegin($dateBegin);
						$sale->dateEnd($dateEnd);
						# $sale->serviceProductID($vendorID);
						# $sale->clientProductID($clientID);
						# $sale->upc($upc);
						# $sale->isrc($isrc);
						$sale->artistName($artist);
						# $sale->albumName($album);
						$sale->trackName($track);
						# $sale->labelName($label);
						$sale->units($units);
						$sale->price($price);
						$sale->lineNum($linenum);
						$sale->countryCode('US');

						$self->_insertSale(sale => $sale);
					}
                    else { print STDERR "skip l:".$linenum." u:".$units." p:".$price." a:".$artist." t:".$title."\n"; }
				$linenum++;
            }
			} # foreach line
            $sheet_count++;
		} # foreach sheet

	}

	return $linenum;
}

#
# Private methods
#

sub matchHeader
{
	my $line = shift;

	# verify the column headings are as we expect them
	my $artist	= $line->[FIELD_ARTIST];
	my $track	= $line->[FIELD_TITLE];
	my $units	= $line->[FIELD_UNITS];
	my $price	= $line->[FIELD_TOTALPRICE];

	if($artist =~ /author/i &&
	   $track  =~ /product/i &&
	   $units  =~ /totalsent/i && # not a typo
	   $price  =~ /payment/i)
	{
		return 1;
	}
	else
	{
		return 0;
	}
}

sub _getDates
{
    my ($month,$year,$day);
    my $passed_date = shift;
    if($passed_date =~ m/(\d+)\D(\d+)\D(\d{4})/) {
        $month = $1;
        $year = $3;
    }
    elsif($passed_date =~ m/(\d{4})\D(\d+)\D(\d+)/) {
        $year = $1;
        $month = $2;
    }
    if($month && $year) {
        return ($year."-".$month."-01",$year."-".$month."-".Days_in_Month($year,$month));
    }
    return undef;
}

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