package RPS::Import::FisherPriceSheets;

use strict;

use Date::Calc qw(Days_in_Month);

use lib '/app/tools/common/lib';
use Common::Consts qw(%COUNTRY_TO_CODE);
use Common::RSMath qw(round);

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

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

my %field_map = (
    1 => {
        title       => 0,
        artist      => 1,
        isrc        => 2,
        unitprice   => 3,
        units       => 4,
        country     => 5,
        price       => 10,
    },
    2 => {
        title       => 0,
        isrc        => 1,
        unitprice   => 2,
        units       => 3,
        country     => 4,
        price       => 9,
    },
    3 => {
        title       => 0,
    #    units       => 1,
    #    country     => 2,
    #    unitprice   => 4,
        isrc        => 1,
        units       => 3,
        country     => 4,
        unitprice   => 6,
        price       => 9,
    },
);

#
# public methods
#

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

    return undef unless ($sheets);

    my $version = $args{file}->VersionNum();
    my $fileName = $args{file}->OrigFileName();
    my $offsets = $field_map{$version};
    my ($dateBegin, $dateEnd) = _get_dates($fileName);

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

    my $format = RPS::File::Sale::FORMAT_DOWNLOAD;
    my ($linenum,%errors,$columns_found,%fields);
    foreach my $lines(@$sheets) {
        $columns_found = 0;
        $linenum = 1;
        $linenum = 6 if($version == 3);
        foreach my $line (@$lines) {
            if($line->[0] eq "Title" && $columns_found == 0) {
                $columns_found = 1;
                my $x=0;
                foreach my $column(@$line) {
                    $fields{title} = $x if($column eq "Title");
                    $fields{units} = $x if($column =~ /Qty/);
                    $fields{price} = $x if($column =~ /Rate/);
                    $fields{country} = $x if($column =~ /Local/);
                    $x++;
                }
            }
            if($columns_found == 1) {
            my $artist;
            $artist         = $line->[$offsets->{artist}] if (defined $offsets->{artist});
            my $isrc        = $line->[$offsets->{isrc}] if(defined $offsets->{isrc});
            my $title       = $line->[$offsets->{title}];
            my ($price)     = $line->[$offsets->{price}];
            my ($units)     = $line->[$offsets->{units}];
            my ($unitPrice) = $line->[$offsets->{unitprice}] =~ m/^(\d+\.?\d*)$/;
            $line->[$offsets->{country}] =~ s/\.//;
            $line->[$offsets->{country}] =~ s/ \(.*$//;
            my $country     = $Common::Consts::COUNTRY_CODE{lc $line->[$offsets->{country}] };
            if ($title && $title !~ /title/i && $title !~ /albums/i && $price && ($units ne "")) {
                unless ($country || exists $errors{$line->[$offsets->{country}]})
                {
                    $self->errstr('unknown country :'.$line->[$offsets->{country}] . " l: ".$linenum);
                    print STDERR "unknown country: ". $line->[$offsets->{country}] ." l:".$linenum."\n";
                    $errors{$line->[$offsets->{country}]} = 1;
                }

                $isrc =~ s/\W+//g;
                $price /= $units;

                my $sale = RPS::Import::SaleRec->new();

                if ($unitPrice > 1.5) {
                    $sale->productType(RPS::File::Sale::TYPE_ALBUM);
                    $sale->albumName($title);
                }
                else {
                    $sale->productType(RPS::File::Sale::TYPE_TRACK);
                    $sale->trackName($title);
                }

                $sale->formatType($format);
                $sale->dateBegin($dateBegin);
                $sale->dateEnd($dateEnd);
                $sale->artistName($artist);
                $sale->isrc($isrc) if(defined $offsets->{isrc});
                $sale->price($price);
                $sale->units($units);
                $sale->countryCode($country);
                $sale->lineNum($linenum);

                $self->_insertSale(sale => $sale);
            } #else { print STDERR "skip linenum:".$linenum." t:".$title." p:".$price ." u:".$units."\n"; } 
            $linenum++;
            }
        }
    }
    return $linenum;
}

#
# Private methods
#

sub _get_dates
{
    my $fileName = shift;
    my ($month1, $day1, $year1, $month2, $day2, $year2);
    if($fileName =~ /from/) {
         my ($start_date,$end_date) = split(" through ",$fileName);
         $start_date =~ s/^.*from //;
         $end_date =~ s/_.*$//;
         ($month1,$day1,$year1) = split("-",$start_date);
         ($month2,$day2,$year2) = split("-",$end_date);
         return undef unless ($month1 && $year1 && $month2 && $year2);
    }
    elsif ($fileName =~ m/(\d)Q(\d+)/) {
        my $qtr = $1;
        my $year = $2+2000;
        $year1 = $year;
        $year2 = $year;
        if ($qtr == 1) {
            $month1 = "01";
            $month2 = "03";
        } elsif ($qtr == 2) {
            $month1 = "04";
            $month2 = "06";
        } elsif ($qtr == 3) {
            $month1 = "07";
            $month2 = "09";
        } elsif ($qtr == 4) {
            $month1 = "10";
            $month2 = "12";
        }
    }
    else {
        return undef unless ($fileName =~ m/for\D+(\d+)\D+\d+\D+(\d{4})\D+(\d+)\D+\d+\D+(\d{4})/);
        ($month1, $year1, $month2, $year2) = ($1, $2, $3, $4);
    }
    return (
        sprintf("%04d-%02d-01", $year1, $month1), 
        sprintf("%04d-%02d-%02d", $year2, $month2, Days_in_Month($year2, $month2))
    );
}

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