package RPS::Import::ClassicalWorld;

use strict;

use Date::Calc qw(Days_in_Month Add_Delta_Days Decode_Month);

use lib '/app/tools/common/lib';
use Common::Consts qw(%COUNTRY_CODE);

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

my %fieldMap = (
    1 => {
        date_row => 0,
        date_col => 2,
        streams  => {
            catalog => 1,
            album   => 2,
            track   => 3,
            cpid    => 4,
            units   => 7,
            price   => 8,
        },
        downloads => {
            catalog => 1,
            album   => 2,
            track   => 3,
            cpid    => 4,
            units   => 7,
            price   => 9,
        },
    },
    2 => {
        date_row             => 4,
        date_col             => 3,
        'purchase downloads' => {
            catalog => 1,
            isrc    => 2,
            album   => 3,
            track   => 4,
            artist  => 6,
            cpid    => 7,
            price   => 12,
        },
        'subscription downloads' => {
            catalog => 1,
            isrc    => 2,
            album   => 3,
            track   => 4,
            artist  => 6,
            cpid    => 7,
            price   => 11,
        },
        streams => {
            catalog => 1,
            isrc    => 2,
            album   => 3,
            track   => 4,
            artist  => 6,
            cpid    => 7,
            units   => 10,
            price   => 11,

        },
        albums => {
            catalog  => 1,
            album    => 2,
            currency => 3,
            rate     => 4,
            price    => 8,
            cpid     => 7,
        },
    },
    3 => {
        date_row => 2,
        date_col => 1,
        streams  => {
            catalog => 1,
            album   => 2,
            track   => 3,
            cpid    => 4,
            units   => 6,
            price   => 7,
        },
        downloads => {
            catalog => 1,
            album   => 2,
            track   => 3,
            cpid    => 4,
            units   => 6,
            price   => 10,
        },
    },
);

my %format_map = (
    albums                   => RPS::File::Sale::FORMAT_DOWNLOAD,
    downloads                => RPS::File::Sale::FORMAT_DOWNLOAD,
    streams                  => RPS::File::Sale::FORMAT_STREAM,
    'purchase downloads'     => RPS::File::Sale::FORMAT_DOWNLOAD,
    'subscription downloads' => RPS::File::Sale::FORMAT_TETHERED,
);

sub _importLines {
    my $self        = shift;
    my %args        = @_;
    my $fileObj     = $args{file};
    my $version     = $args{file}->VersionNum();
    my $fileName    = $args{file}->OrigFileName();
    my $serviceID   = $args{file}->ServiceID;
    my $sheet_count = 0;

    return undef unless ( defined $args{sheets} && defined $version );

    my $offsets;
    my $sheet_names  = $args{sheet_names};
    my $header_found = 0;
    my $linenum      = 1;
    my ( $dateBegin, $dateEnd );

    foreach my $sheet ( @{ $args{sheets} } ) {
        $linenum      = 1;
        $header_found = 0;
        if ( $sheet_names->[$sheet_count] =~ /summary/i ) {
            ( $dateBegin, $dateEnd ) = _getDates( $sheet->[ $fieldMap{$version}{date_row} ]->[ $fieldMap{$version}{date_col} ] );
            unless ( defined $dateBegin && defined $dateEnd ) {
                print STDERR "Couldn't get dates from: "
                  . $sheet->[ $fieldMap{$version}{date_row} ]->[ $fieldMap{$version}{date_col} ] . "\n";
                $self->errstr( "couldn't get dates from: " . $sheet->[ $fieldMap{$version}{date_row} ]->[ $fieldMap{$version}{date_col} ] );
                return undef;
            }
        } elsif ( $sheet_names->[$sheet_count] !~ /summary/i ) {
            my $sheet_type;
            $offsets = $fieldMap{$version}{ $sheet_names->[$sheet_count] };

            foreach my $line (@$sheet) {

                #  Header checking for version 3
                if ( $version == 3 && !$header_found ) {
                    $header_found = 1 if ( $line->[0] eq 'CD ID' );
                    next;
                }

                my $counter_fee = 0;
                my $country     = "GB";
                my $currency    = "USD";
                my $product     = RPS::File::Sale::TYPE_TRACK;
                my $format      = $format_map{ $sheet_names->[$sheet_count] };
                my $catalog     = $line->[ $offsets->{catalog} ];
                my $cpid        = $line->[ $offsets->{cpid} ];
                my $track       = $line->[ $offsets->{track} ];
                my $album       = $line->[ $offsets->{album} ];
                my $price       = $line->[ $offsets->{price} ];
                my $units       = $line->[ $offsets->{units} ];
                my $artist      = $line->[ $offsets->{artist} ];
                my $free        = 0;
                my $rate        = $line->[ $offsets->{rate} ] if ( defined $offsets->{rate} );
                $currency = "USD"                           if ( $version == 2 );
                $currency = $line->[ $offsets->{currency} ] if ( defined $offsets->{currency} );
                $units    = 1                               if ( !defined $offsets->{units} );
                $units    = 1                               if ( !defined $offsets->{units} );
                $price /= $units if ( $units != 0 );
                $product = RPS::File::Sale::TYPE_ALBUM if ( $sheet_names->[$sheet_count] =~ /album/i );

                if ( defined $offsets->{rate} && $currency ne "USD" ) {
                    $currency = "USD";
                }

                if ( $country && $format && ( $album || $track ) && $units && $price && $track ne "trackname" ) {

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

                    $sale->mediaType(2) if ( $format =~ /video/i );
                    $sale->productType($product);
                    $sale->dateBegin($dateBegin);
                    $sale->dateEnd($dateEnd);
                    $sale->artistName($artist) if ( defined $offsets->{artist} );
                    $sale->trackName($track)   if ( defined $offsets->{track} );
                    $sale->albumName($album);
                    $sale->formatType($format);
                    $sale->serviceProductID($catalog);
                    $sale->clientProductID($cpid);
                    $sale->units($units);
                    $sale->price($price);
                    $sale->countryCode($country);
                    $sale->currencyCode($currency);
                    $sale->lineNum($linenum);

                    $self->_insertSale( sale => $sale );

                }

#else { print STDERR "skip s:".$sheet_names->[$sheet_count]." l:" . $linenum . " - u:".$units." p:".$price." t:".$track." a: ".$album." c:".$catalog ." f:".$format."\n"; }
                $linenum++;
            }
        }
        $sheet_count++;
    }
    return $linenum;
}

#
# Private methods
#

sub _getDates {
    my ( $passed_date, $year, $qtr, $dateBegin, $dateEnd );

    $passed_date = shift;

    $passed_date = _quarterFromString($passed_date)
      if ( $passed_date =~ /to/ );

    if ( $passed_date =~ /Q(\d) (\d{4})/ ) {
        $passed_date =~ m/Q(\d) (\d{4})/;
        $year = $2;
        $qtr  = $1;
    } elsif ( $passed_date =~ /(\d{4})\, Q(\d)/ ) {
        $passed_date =~ m/(\d{4})\, Q(\d)/;
        $year = $1;
        $qtr  = $2;
    }
    if ( $qtr == 1 ) {
        $dateBegin = $year . "-01-01";
        $dateEnd = $year . "-03-" . Days_in_Month( $year, 3 );
    } elsif ( $qtr == 2 ) {
        $dateBegin = $year . "-04-01";
        $dateEnd = $year . "-06-" . Days_in_Month( $year, 6 );
    } elsif ( $qtr == 3 ) {
        $dateBegin = $year . "-07-01";
        $dateEnd = $year . "-09-" . Days_in_Month( $year, 9 );
    } elsif ( $qtr == 4 ) {
        $dateBegin = $year . "-10-01";
        $dateEnd = $year . "-12-" . Days_in_Month( $year, 12 );
    } else {
        return undef;
    }

    return ( $dateBegin, $dateEnd );
}

sub _quarterFromString {
    my $date = shift;
    my ($begin) = split( / to /, $date );
    my ( $day, $month, $year ) = split( /\s+/, $begin );
    my $quarter;

    return unless ($year);

    if ( $begin =~ /jan/i ) {
        $quarter = 'Q1';
    } elsif ( $begin =~ /apr/i ) {
        $quarter = 'Q2';
    } elsif ( $begin =~ /jul/i ) {
        $quarter = 'Q3';
    } elsif ( $begin =~ /oct/ ) {
        $quarter = 'Q4';
    } else {
        return;
    }

    return "$year, $quarter";
}

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