package RPS::Import::Rootsy;

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';

use constant HEADER_ROW => 0;

use constant FIELD_CATNO        => 0;
use constant FIELD_ARTIST       => 1;
use constant FIELD_ALBUM        => 2;
use constant FIELD_PREVYR       => 3;
use constant FIELD_SALES_OFFSET => 3;
use constant FIELD_PRICE        => 17;
use constant FIELD_TOTAL        => 18;

#public methods

sub _importLines {
    die "Importer no longer valid";
    my $self = shift;
    my %args = @_;

    my $retval = undef;
    my $lines  = $args{lines};

    my ( $dateBegin, $dateEnd ) = $self->_getDates( $lines->[HEADER_ROW]->[FIELD_PREVYR], $lines->[HEADER_ROW]->[FIELD_TOTAL] );

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

    $dateBegin =~ m/^\d{4}-(\d{2})-\d{2}$/;
    my $month = $1;

    my $linenum = 1;
    foreach my $line (@$lines) {
        my $prodtype    = RPS::File::Sale::TYPE_PHYSICAL;
        my $price_level = RPS::File::Sale::PLEVEL_FULL;
        my $channel     = RPS::File::Sale::CHANNEL_RETAIL;
        my $catno       = $line->[FIELD_CATNO];
        my $artist      = $line->[FIELD_ARTIST];
        my $album       = $line->[FIELD_ALBUM];

        my ($sales) = $line->[ FIELD_SALES_OFFSET + $month ] =~ m/^(-?\d+)$/;
        my ($price) = $line->[FIELD_PRICE] =~ m/^(\d*\.?\d*)$/;
        my ($total) = $line->[FIELD_TOTAL] =~ m/^(-?\d*\.?\d*)$/;

        $price *= $sales;

        if ( $prodtype && $sales && $album ) {
            my $sale = RPS::Import::SaleRec->new();

            $sale->wholesalePrice($price);
            $sale->productType($prodtype);
            $sale->dateBegin($dateBegin);
            $sale->dateEnd($dateEnd);
            $sale->clientProductID($catno);
            $sale->artistName($artist);
            $sale->albumName($album);
            $sale->sales($sales);
            $sale->salesRevenue($price);
            $sale->totalRevenue($total);
            $sale->priceLevel($price_level);
            $sale->channel($channel);
            $sale->countryCode('SE');
            $sale->lineNum($linenum);

            ##$args{dumper}($sale);  ## for cmd-line testing
            $self->_insertSale( sale => $sale );
        }
        $linenum++;
    }
    return $linenum;
}

#
# Private methods
#

sub _getDates {
    my $self   = shift;
    my $prevyr = shift;
    my $month  = shift;

    my $year;
    my ( $dateBegin, $dateEnd );

    if ( $prevyr =~ m/^Sales\s+(\d{4})$/ ) {
        $year = $1 + 1;
    } else {
        return undef;
    }

    if ( $month =~ m/^Sum\s+(\w+)$/ ) {

        my $month = Decode_Month($1);

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

    } else {
        return undef;
    }

    return ( $dateBegin, $dateEnd );
}

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