package RPS::Import::IMN_Stream;

use strict;


use Date::Calc qw(Days_in_Month);

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

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

# version mapping
my %field_map = (
    1 => {
        label    => 1,
        artist   => 2,
        album    => 3,
        units    => 4,
    },
);

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

    my $map = $field_map{$fileObj->VersionNum};
    #my $map = $field_map{$args{version}}; # for cmd-line testing

    return undef unless $lines;
    my ($dateBegin, $dateEnd) = $self->_getDates($fileName);

    unless ($dateBegin && $dateEnd)
    {
        $self->errstr("couldn't get dates");
        print STDERR "filename: $fileName\n";
        return undef;
    }

    my $linenum = 1;
    foreach my $line(@$lines)
    {
        my $artist   = $line->[$map->{artist}];
        my $album    = $line->[$map->{album}];
        my $label    = $line->[$map->{label}];
        my $units    = $self->_get_units($line->[$map->{units}]);

        if ($units >= 0 && $artist && $album)
        {
            my $sale = RPS::Import::SaleRec->new();

            $sale->productType(RPS::File::Sale::TYPE_ALBUM);
            $sale->formatType(RPS::File::Sale::FORMAT_STREAM);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->artistName($artist);
            $sale->albumName($album);
            $sale->labelName($label);
            $sale->units($units);
            $sale->lineNum($linenum);

            #$args{dumper}($sale);
            $self->_insertSale(sale => $sale);
        }#else { print STDERR "skip $linenum u: $units a: $artist a: $album\n"; }
        $linenum++;
    }

    return $linenum;
}

#
# Private methods
#

sub _getDates
{
    my $self = shift;
    my $fName = shift;
    my ($qtr, $month, $year);

    return undef unless ($fName =~ m/(\d)\D+Quarter\D+(\d{4})/i);

    ($qtr, $year) = ($1, $2);
    $month = ($qtr * 3) - 2;

    return undef unless ($month && $year);

    return (
        sprintf("%04d-%02d-%02d", $year, $month, 1),
        sprintf("%04d-%02d-%02d", $year, $month+2, Days_in_Month($year, $month+2)),
    );
}

sub _get_units
{
    my $self = shift;
    my $timeStr = shift;

    $timeStr =~ s/\s+/:/;
    my ($day, $hr, $min, $sec) = split /:/, $timeStr;

    return -1 unless ($day =~ /^\d+$/ && $hr =~ /^\d+$/ && $min =~ /^\d+$/ && $sec =~ /^\d+$/);
    my $units = ($day * 1440) + ($hr * 60) + $min;
    $units++ if ($sec > 29);

    return $units;
}

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