package RPS::Import::MusicNow;

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_ISRC          => 0;
use constant FIELD_UPC           => 1;
use constant FIELD_ARTIST        => 2;
use constant FIELD_TRACK         => 3;
use constant FIELD_ALBUM         => 4;
use constant FIELD_DATE          => 5;
use constant FIELD_UNITS         => 6;
use constant FIELD_PRICE         => 7;
use constant FIELD_PRODTYPE      => 10;
use constant FIELD_FORMAT        => 11;
use constant FIELD_CLIENTALBUMID => 12;
use constant FIELD_CLIENTTRACKID => 13;

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 $retval  = undef;
    my $lines   = $args{lines};
    my $fileObj = $args{file};
    my $version = $fileObj->VersionNum;

    if ( $lines && $version ) {
        my $dateBegin;
        my $dateEnd;

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

        unless ( $dateBegin && $dateEnd ) {
            $self->errstr("couldn't get dates");
            return undef;
        }

        my $linenum = 1;
        foreach my $line (@$lines) {
            if ( $linenum > 1 ) {
                my $prodtype;
                my $clientID;
                if ( $version == 2 ) {
                    if ( $line->[FIELD_TRACK] eq "--" ) {
                        $prodtype = RPS::File::Sale::TYPE_ALBUM;
                    } else {
                        $prodtype = RPS::File::Sale::TYPE_TRACK;
                    }
                } else {
                    if ( $line->[FIELD_PRODTYPE] eq 'A' ) {
                        $prodtype = RPS::File::Sale::TYPE_ALBUM;
                        $clientID = $line->[FIELD_CLIENTALBUMID];
                    } elsif ( $line->[FIELD_PRODTYPE] eq 'T' ) {
                        $prodtype = RPS::File::Sale::TYPE_TRACK;
                        $clientID = $line->[FIELD_CLIENTTRACKID];
                    }
                }

                my $upc    = Common::Util::normalize_upc( $line->[FIELD_UPC] );
                my $isrc   = Common::Util::normalize_isrc( $line->[FIELD_ISRC] );
                my $artist = $line->[FIELD_ARTIST];
                my $album  = $line->[FIELD_ALBUM];

                my $track;
                if ( $prodtype eq RPS::File::Sale::TYPE_TRACK ) {
                    $track = $line->[FIELD_TRACK];
                }

                my $format;
                my $free = 0;

                if ( $version == 2 ) {
                    $format = RPS::File::Sale::FORMAT_DOWNLOAD;
                } else {
                    if ( uc( $line->[FIELD_FORMAT] ) eq 'PERM' ) {
                        $format = RPS::File::Sale::FORMAT_DOWNLOAD;
                    } elsif ( uc( $line->[FIELD_FORMAT] ) eq 'SUBSCRIPTION' ) {
                        $format = RPS::File::Sale::FORMAT_STREAM;
                    } elsif ( uc( $line->[FIELD_FORMAT] ) eq 'SUBSCRIPTION-FREE TRIAL PERIOD' ) {
                        $format = RPS::File::Sale::FORMAT_STREAM;
                        $free   = 1;
                    }
                }

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

                if ( $prodtype && $format && $units && $price >= 0 && ( $album || $track ) ) {
                    my $sale = RPS::Import::SaleRec->new();

                    $sale->productType($prodtype);
                    $sale->formatType($format);
                    $sale->dateBegin($dateBegin);
                    $sale->dateEnd($dateEnd);
                    $sale->clientProductID($clientID);
                    $sale->upc($upc);
                    $sale->isrc($isrc);
                    $sale->artistName($artist);
                    $sale->albumName($album);
                    $sale->trackName($track);
                    $sale->units($units);
                    $sale->price($price) unless ( $free == 1 );
                    $sale->lineNum($linenum);
                    $sale->free($free);
                    $sale->countryCode('US');

                    $self->_insertSale( sale => $sale );
                }
            }
            $linenum++;
        }
        $retval = $linenum;
    }

    return $retval;
}

#
# Private methods
#

sub _getDates {
    my $self  = shift;
    my $lines = shift;

    my $dateBegin;
    my $dateEnd;

    foreach my $line (@$lines) {
        my $year;
        my $month;

        ( $month, $year ) = $line->[FIELD_DATE] =~ m/^(\d?\d)(\d\d\d\d)$/;
        if ( $month && $year ) {
            my $date = sprintf( "%04d-%02d-01", $year, $month );

            if ( $date < $dateBegin || !$dateBegin ) {
                $dateBegin = $date;
            }

            if ( $date > $dateEnd || !$dateEnd ) {
                $dateEnd = $date;
            }
        }
    }

    if ($dateEnd) {
        substr( $dateEnd, -2 ) = Days_in_Month( substr( $dateEnd, 0, 4 ), substr( $dateEnd, 5, 2 ) );
    }

    return ( $dateBegin, $dateEnd );
}

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