package RPS::Import::MusicChoiceSimple;

## not really "simple," but it has less tabs...

use strict;


use Date::Calc qw(Days_in_Month Decode_Month);

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

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';

## doesn't correspond to version nos.
my %field_map = (
                 1 => {
                       'label'  => 1,
                       'track'  => 2,
                       'units'  => 3,
                      },
                 2 => {
                       'label'  => 3,
                       'track'  => 5,
                       'artist' => 11,
                       'units'  => 12,
                      },
                 3 => {
                       'label'  => 0,
                       'track'  => 1,
                       'units'  => 2,
                      },
                 4 => {
                       'label'  => 0,
                       'artist' => 1,
                       'track'  => 2,
                       'units'  => 3,
                      },
                 5 => {
                       'label'  => 1,
                       'artist' => 2,
                       'track'  => 3,
                       'units'  => 4,
                      },
                 6 => {
                       'label'  => 1,
                       'track'  => 2,
                       'artist' => 3,
                       'units'  => 4,
                      },
                 7 => {
                       'label'  => 0,
                       'track'  => 1,
                       'artist' => 2,
                       'units'  => 3,
                      },
                 8 => {
                       'track'  => 1,
                       'units'  => 2,
                       'label'  => 3,
                      },
);

my $SHEETNUM;
#public methods

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

    $SHEETNUM = 0;
	my $retval = undef;
    my $sheets = $args{sheets};
    my $fileObj = $args{file};
    my $fileName = $fileObj->OrigFileName;
    my $version = $fileObj->VersionNum;
    # for cmd-line testing
    #my $fileName = $args{OrigFileName};
    #my $version = $args{version};

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

    if ($version == 9)
    {
        my $sheet_format = $self->_getSheetFormat($sheets->[2]);
        unless ($sheet_format)
        {
            $self->errstr("unrecognized sheet format");
            return undef;
        }

        $self->_processSheet(
            sheet => $sheets->[2],
            format => $sheet_format,
            dateBegin => $dateBegin,
            dateEnd => $dateEnd,
        );
    }
    elsif ($version == 10)
    {
        my $sheetNum = 0;
        foreach my $sheet (@$sheets)
        {
            my $sheet_format = $self->_getSheetFormat($sheet);
            unless ($sheet_format)
            {
                print STDERR "unknown sheet format ($sheetNum)\n";
                $sheetNum++;
                next;
            }

            $self->_processSheet(
                sheet => $sheet,
                format => $sheet_format,
                dateBegin => $dateBegin,
                dateEnd => $dateEnd,
            );
            $sheetNum++;
        }
    }
    else
    {
        foreach my $sheet (@$sheets)
        {
            my $sheet_format = $self->_getSheetFormat($sheet);
            unless ($sheet_format)
            {
                $self->errstr("unrecognized sheet format");
                return undef;
            }
            $self->_processSheet(
                sheet => $sheet,
                format => $sheet_format,
                dateBegin => $dateBegin,
                dateEnd => $dateEnd,
            );
        }
    }
	return 1;
}

sub _processSheet
{
    my $self = shift;
    my %args = @_;
    my $sheet_format = $args{format};

    my $offsets = $field_map{$sheet_format};
    my $label  = "";
    my $artist = "";
    my $linenum = 1;
    my $prodtype = RPS::File::Sale::TYPE_TRACK;

    my $format;
    my $mediaType;

    if( $self->is_wmg() )
    {
        $format = RPS::File::Sale::FORMAT_STREAM; # was FORMAT_VIDEOSTREAM (FB1324)
        $mediaType = RPS::DB::Item::MediaType::kMediaTypeVideo;
    }
    else
    {
        $format = RPS::File::Sale::FORMAT_STREAM;
        $mediaType = RPS::DB::Item::MediaType::kMediaTypeAudio;
    }

    foreach my $line (@{ $args{sheet} })
    {
        if ($sheet_format == 7 && $line->[0] eq "The Fan - August") {
            $sheet_format = 1;
            $offsets = $field_map{$sheet_format};
        }

        $label  = $line->[$offsets->{label}] if ($line->[$offsets->{label}] ne "");
        if ($offsets->{artist}) {
            $artist = $line->[$offsets->{artist}] if ($line->[$offsets->{artist}] ne "");
        } else {
            $artist = "";
        }
        my $track   = $line->[$offsets->{track}];
        my ($units) = $line->[$offsets->{units}] =~ m/^(-?\d+)$/;

        if ($sheet_format == 6 || $sheet_format == 7) {
            if ($line->[$offsets->{artist}] eq "") {
                $linenum++;
                next;
            }
            $track =~ s/^.+\:\s*// if ($sheet_format == 6);
        }

        if ($sheet_format == 1 || $sheet_format == 8) {
            if ($track =~ m/^(.+)\s*\:\s*(.+)$/) {
                $artist = $1;
                $track  = $2;
            } elsif ($track =~ m/^(.+) - (.+)$/) {
                $artist = $1;
                $track  = $2;
            }
        }

        if ($label && $track && $units) {
            my $sale = RPS::Import::SaleRec->new();
            $sale->productType($prodtype);
            $sale->formatType($format);
            $sale->mediaType($mediaType);
            $sale->dateBegin($args{dateBegin});
            $sale->dateEnd($args{dateEnd});
            $sale->trackName($track);
            $sale->artistName($artist);
            $sale->labelName($label);
            $sale->units($units);
            $sale->lineNum($linenum);

            ##$args{dumper}($sale);  ## for cmd-line testing
            $self->_insertSale(sale => $sale);
        }#else { print STDERR "skipping l: $label t: $track u: $units ($SHEETNUM,$linenum)\n"; }

        $linenum++;
    }
    $SHEETNUM++;
}

#
# Private methods
#

sub _getSheetFormat
{
    my $self  = shift;
    my $sheet = shift;

    if ($sheet->[2]->[0] eq "Label 1" && $sheet->[2]->[1] eq "Label 2") {
        return 1;
    } elsif ($sheet->[2]->[0] eq "Parent Label" && $sheet->[2]->[1] eq "Label Name") {
        return 5;
    } elsif ($sheet->[2]->[0] eq "PARENT LABEL" && $sheet->[2]->[3] eq "Total") {
        return 1;
    } elsif ($sheet->[3]->[0] eq "PARENT LABEL" && $sheet->[3]->[3] eq "Total") {
        return 1;
    } elsif ($sheet->[2]->[0] eq "PARENT LABEL" && $sheet->[2]->[3] eq "Artist") {
        return 6;
    } elsif ($sheet->[2]->[0] eq "Sum of Orders") {
        if ($sheet->[3]->[0] eq "Source" && $sheet->[3]->[1] eq "Title") {
            return 3;
        } elsif ($sheet->[3]->[0] eq "Source" && $sheet->[3]->[1] eq "Name") {
            return 7;
        } elsif ($sheet->[3]->[0] eq "Source" && $sheet->[3]->[1] eq "Artists") {
            return 4;
        }
    } elsif ($sheet->[0]->[0] eq "Sum of Orders") {
        if ($sheet->[1]->[0] eq "Source" && $sheet->[1]->[1] eq "Artists") {
            return 4;
        } elsif (uc($sheet->[1][0]) eq "SOURCE" && uc($sheet->[1][1]) eq "LABEL_NAME") {
            return 1;
        }
    } elsif ($sheet->[2]->[0] eq "") {
        if ($sheet->[0]->[4] eq "TV400 - Play Count By Label") {
            return 2;
        }
    } elsif (uc $sheet->[1][0] eq "USAGE_FEED_SOURCE_CODE") {
        return 1;
    }
    elsif ($sheet->[0][1] eq 'TV200_TITLE')
    {
        return 8;
    }

    return 0;
}


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

    my ($month, $year);
    if ($date =~ m/MusicChoice (\w+)\s+(\d{4})/)
    {
        $month = Decode_Month($1);
        $year  = $2;
    }
    elsif ($date =~ m/\w+\D+(\d+)\D+(\d+)\D/)
    {
        $year = $1;
        $month = $2;
    }

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

    my $dateBegin = sprintf("%04d-%02d-%02d", $year, $month, 1);
    my $dateEnd   = sprintf("%04d-%02d-%02d", $year, $month, Days_in_Month($year, $month));

	return ($dateBegin, $dateEnd);
}

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