package RPS::Import::PocketGroup;

use strict;


use Date::Calc qw(Days_in_Month Add_Delta_Days Decode_Month);

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

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

# map version num to the field order
my %fieldMap =
(
	1 =>
	{
		'isrc'     => 1,
		'artist'   => 2,
		'title'    => 3,
		'price'    => 10,
		'currency' => 11,
		'format'   => 13,
		'country'  => 14,
		'date'     => 16,
		'units'    => 17,
	},
);

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{sheets}->[1]; ## 2nd sheet, after summary
	my $fileObj = $args{file};
	my $version = $fileObj->VersionNum;
    ##my $version = $args{version}; # for cmd-line testing

    return undef unless (defined $lines && defined $version);

	my $offsets = $fieldMap{$version};

    my $header_found = 0;
    my $linenum = 1;
    foreach my $line (@$lines) {
        if ($header_found == 0) {
            $header_found = 1 if ($line->[$offsets->{isrc}] eq "ISRC");
            $linenum++;
            next;
        }

        my $artist   = $line->[$offsets->{artist}];
        my $isrc     = $line->[$offsets->{isrc}];
        my $title    = $line->[$offsets->{title}];
        my $currency = $line->[$offsets->{currency}];
        my $country  = $Common::Consts::COUNTRY_CODE{lc $line->[$offsets->{country}]};

        unless ($artist || $isrc || $title) {
            $linenum++;
            next;
        }

        unless ($country) {
            $self->errstr("unknown country: ".$line->[$offsets->{country}]);
            return undef;
        }

        if ($currency =~ m/^(stirling|gbp|)$/i) {
            $currency = "GBP";
        } elsif ($currency =~ m/^(eur)$/i) {
            $currency = "EUR";
        } else {
            $self->errstr("unknown currency: $currency");
            return undef;
        }

	    my ($dateBegin, $dateEnd) = $self->_getDates($line->[$offsets->{date}]);
        unless (defined $dateBegin && defined $dateEnd) {
            $self->errstr("couldn't get dates from ".$line->[$offsets->{date}]);
            return undef;
        }

        my $format   = $line->[$offsets->{format}]; 
        if ($format =~ m/^tt|rbt|ppc|mpc$/i) {
            $format = RPS::File::Sale::FORMAT_RINGTONE;
        } elsif ($format =~ m/^pdl|ft$/i) {
            $format = RPS::File::Sale::FORMAT_DOWNLOAD;
        } elsif ($format =~ m/^tdl$/i) {
            $format = RPS::File::Sale::FORMAT_TETHERED;
        } elsif ($format =~ m/^str$/i) {
            $format = RPS::File::Sale::FORMAT_STREAM;
        } elsif ($format =~ m/^img|vidl|vidc$/i) {
            ## unsupported
            $linenum++;
            next;
        } else {
            $self->errstr("unknown format: $format");
            return undef;
        }

        my $prodtype = RPS::File::Sale::TYPE_TRACK;

        my ($units)	= $line->[$offsets->{units}] =~ m/^(-?\d+)$/;
        my ($price)	= $line->[$offsets->{price}] =~ m/^(\d*\.?\d*)$/;

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

        if ($units && $price && $title && $artist && $format)
        {
            my $sale = RPS::Import::SaleRec->new();

            $sale->productType($prodtype);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->isrc($isrc);
            $sale->artistName($artist);
            $sale->albumName($title) if ($prodtype eq RPS::File::Sale::TYPE_ALBUM);
            $sale->trackName($title) if ($prodtype eq RPS::File::Sale::TYPE_TRACK);
            $sale->formatType($format);
            $sale->units($units);
            $sale->price($price);
            $sale->countryCode($country);
            $sale->currencyCode($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;  # end date of period

    my ($dateBegin, $dateEnd);
    if ($date =~ m/^(\d{4})-(\d\d)-\d\d$/) {
        my $year  = $1;
        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, $dateEnd);
    } elsif ($date =~ m/^(\w{3})-(\w{3})(\d\d)$/) {
        my $m1 = $1;
        my $m2 = $2;
        my $yr = $3 + 2000;
        $dateBegin = sprintf("%04d-%02d-%02d", $yr, Decode_Month($m1), 1);
        $dateEnd   = sprintf("%04d-%02d-%02d", $yr, Decode_Month($m2), Days_in_Month($yr, Decode_Month($m2)));
        return ($dateBegin, $dateEnd);
    }

    return undef;
}

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