package RPS::Import::ADAPhysical::v3;

use strict;

use lib '/app/tools/common/lib';
use Common::Util qw(normalize_date normalize_upc);
use Common::Country;
use Date::Calc qw(Days_in_Month);
use Data::Dumper;

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

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

use base 'RPS::Import::Importer';

use constant kDataNotFound => -1;

sub _fieldMap {
    {
        'sales detail' => {
            date           => 3,     # D
            label          => 8,     # I
            serviceName    => 1,     # B
            catalog_number => 4,     # E
            country_code   => 10,    # K
            title          => 5,     # F
            units          => 6,     # G
            price          => 7,     # H
            price_tier     => 9,     # J
            dist_fee       => 12,    # M
        },

        'label ds' => {
            currency_row => 8,
            currency_col => 2,       # C

            no_detail => 1,          # prevent sales detail from being processed on this sheet
        }
    };
}

my %countryMap = ( 'HONGKONG' => 'Hong Kong', );
#
# Private methods
#

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

    my $offsets = $self->_fieldMap;

    my $sheet_count = 0;
    my ( $linenum, $serviceID );

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

    my $sheet_names = $args{sheet_names};

    # Check if the sales file has a global currency code or distribution fee.
    #
    my ( $currencyCode, $err ) = $self->_getGlobalCurrencyCode( \%args );

    if ( !$currencyCode && $err == kDataNotFound ) {
        $self->errstr("Unable to find currency code");
        return undef;
    }

    foreach my $sheet ( @{ $args{sheets} } ) {

        my $sheetName = $sheet_names->[$sheet_count];

        my $sheetIndex = $self->_normalizeSheetName( lc $sheetName );

        if ( !exists $offsets->{$sheetIndex} ) {
            print STDERR "ADABase: Illegal sheet '$sheetName'\n";
            $self->errstr("Sheet '$sheetName' is not valid");
            return undef;
        }

        my $data = $offsets->{$sheetIndex};

        # If sheet has been flagged as not having any sales detail,
        # then no need to process it.
        #
        if ( exists $data->{no_detail} ) {
            $sheet_count++;
            next;
        }

        $linenum = 1;
        foreach my $line ( @{$sheet} ) {

            my $sn       = $sheet_count + 1;             # sheet number (1-based)
            my $lineInfo = "Sheet $sn, line $linenum";

            my $productType = RPS::DB::Item::Product::kProductTypeCD;

            my $serviceName = $line->[ $data->{serviceName} ];

            if (   !$serviceName
                || ( $serviceName && '' eq $serviceName )
                || ( $serviceName && ( 'Customer Name' eq $serviceName ) ) ) {
                $linenum++;
                next;
            }

            my $catalogNumber = $line->[ $data->{catalog_number} ] if ( defined $data->{catalog_number} );

            my $priceLevel = _normalizePriceTier( $line->[ $data->{price_tier} ] ) if ( defined $data->{price_tier} );
            my $f_date     = _normalizeDate( $line->[ $data->{date} ] )            if ( defined $data->{date} );

            my ( $dateBegin, $dateEnd ) = $self->_getDates( date_begin => $f_date );
            unless ( $dateBegin && $dateEnd ) {
                $self->errstr("$lineInfo: Couldn't get dates from '$f_date'");
                print STDERR "$lineInfo: Couldn't get dates from '$f_date'\n";
                return undef;
            }

            my ( $artist, $title ) = split( " / ", $line->[ $data->{title} ] ) if ( defined $data->{title} );

            my $units = $line->[ $data->{units} ];

            my $price = $line->[ $data->{price} ];
            my $distFee = $line->[ $data->{dist_fee} ] if ( defined $data->{dist_fee} );
            $price -= $distFee if ($distFee);

            my $label = $line->[ $data->{label} ] if ( defined $data->{label} );

            if ( defined $data->{serviceName} ) {
                my $_sname = $line->[ $data->{serviceName} ];

                #
                # try to deal with non-ascii characters before doing lookups
                #
                $_sname =~ s/\x{ef}/i/;    # replace umlaut i with i

                $serviceID = $self->getServiceID( lc($_sname) ) || $RPS::Import::ServiceMap::SERVICE_ALIASES{ lc $_sname };
            }

            my $upc;

            if ( $productType && $price && $artist && $title ) {
                my $countryCode;
                if ( defined $data->{country_code} && "" ne $data->{country_code} ) {
                    my $countryName = $line->[ $data->{country_code} ];
                    $countryName = $countryMap{$countryName} || $countryName;

                    my $cObj = Common::Country->Get($countryName);
                    $countryCode = $cObj->alpha2() if ($cObj);
                    if ( !$countryCode ) {
                        $self->errstr("$lineInfo: Unknown country '$countryName'");
                        return undef;
                    }
                } else {
                    $self->errstr("$lineInfo: Missing country in line");
                    return undef;
                }

                unless ($priceLevel) {
                    $self->errstr("$lineInfo: Unknown price level");
                    return undef;
                }

                if ( defined $data->{serviceName} ) {
                    unless ($serviceID) {

                        if ( $serviceName =~ /[[:^ascii:]]/ ) {
                            $self->errstr("$lineInfo: Service name contains incompatible characters");
                        } else {
                            $self->errstr( "$lineInfo: Couldn't find service ID for: " . $serviceName );
                        }
                        return undef;
                    }
                }

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

                if ( $units < 0 || $price < 0 ) {

                    # returns on the sales tab
                    $units *= -1 if ( $units < 0 );
                    $price *= -1 if ( $price < 0 );

                    $sale->returns($units);
                    $sale->returnsRevenue($price);
                    $sale->totalRevenue( $price * -1 );

                } else {

                    # normal sale
                    $sale->sales($units);
                    $sale->salesRevenue($price);
                    $sale->totalRevenue($price);
                }

                $sale->productType($productType);
                $sale->dateBegin($dateBegin);
                $sale->dateEnd($dateEnd);
                $sale->labelName($label) if ( defined $data->{label} && $label ne "" );
                $sale->albumName($title);
                $sale->serviceProductID($catalogNumber) if ($catalogNumber);

                $sale->upc( Common::Util::normalize_upc($upc) ) if ($upc);

                $sale->serviceID($serviceID) if ($serviceName);
                $sale->artistName($artist);

                $sale->channel(RPS::File::Sale::CHANNEL_RETAIL);
                $sale->priceLevel(RPS::File::Sale::PLEVEL_FULL);

                $sale->countryCode($countryCode);
                $sale->currencyCode($currencyCode) if ($currencyCode);

                $sale->lineNum($linenum);

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

            #else { print STDERR "skip s: $sheetIndex l:".$linenum." a:".$artist." t:".$title." u:".$units." p:".$price."\n"; }
            $linenum++;
        }
        $sheet_count++;
    }

    return $linenum;
}

sub _normalizePriceTier {
    my ($p) = @_;
    my $plevel;
    if ( $p && $p =~ /full/i ) {
        $plevel = RPS::File::Sale::PLEVEL_FULL;
    } elsif ( $p && $p =~ /mid/i ) {
        $plevel = RPS::File::Sale::PLEVEL_MID;
    } elsif ( $p && $p =~ /bud/i ) {
        $plevel = RPS::File::Sale::PLEVEL_BUDGET;
    }
    return $plevel;
}

sub _normalizeSheetName {
    my $self  = shift;
    my $sname = shift;
    my $name;

    $name = $sname;
    if ( $sname =~ /^d-downloads$/i ) {
        $name = "digital";
    } elsif ( $sname =~ /^d-streams$/i ) {
        $name = "streams";
    } elsif ( $sname =~ /^d-wireless$/i ) {
        $name = "wireless";
    } elsif ( $sname =~ /^d-intl$/i ) {
        $name = "wmi";
    }
    return $name;
}

sub _getGlobalCurrencyCode {
    my $self = shift;
    my ($args) = @_;

    my $currencyCode;
    my $err;

    my $offsets     = $self->_fieldMap;
    my $sheet_names = $args->{sheet_names};
    my $sheetCount  = 0;

    foreach my $sheet ( @{ $args->{sheets} } ) {
        my $sheetName = $sheet_names->[$sheetCount];

        if ( !$currencyCode && exists $offsets->{ lc $sheetName } ) {
            my $data = $offsets->{ lc $sheetName };
            if ( exists $data->{currency_row} ) {
                my $row = $data->{currency_row};
                my $col = $data->{currency_col};
                $currencyCode = substr( $sheet->[$row][$col], 0, 3 );
            }
        }
        $sheetCount++;
    }

    $err = kDataNotFound if ( !$currencyCode );
    return ( $currencyCode, $err );
}

sub _normalizeDate {
    my ($dt) = @_;
    my $date = $dt;
    if ( $dt =~ m/^\d{5}$/ ) {
        $date = Spreadsheet::ParseExcel::Utility::ExcelFmt( "yyyy-mm-dd", $dt );
    }
    return $date;
}

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