#---------------------------------------------------------------
# ____                   _ _         ____  _
#|  _ \ ___  _   _  __ _| | |_ _   _/ ___|| |__   __ _ _ __ ___
#| |_) / _ \| | | |/ _` | | __| | | \___ \| '_ \ / _` | '__/ _ \
#|  _ < (_) | |_| | (_| | | |_| |_| |___) | | | | (_| | | |  __/
#|_| \_\___/ \__, |\__,_|_|\__|\__, |____/|_| |_|\__,_|_|  \___|
#            |___/             |___/
#
# Copyright (C) 2013 RoyaltyShare, Inc.   All Rights Reserved
#---------------------------------------------------------------

package RPS::Import::Bandcamp::v1;

use strict;

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

use lib '/app/tools/rps/lib';
use RPS::Import::SaleRec;
use RPS::DB::Item::Client;

use lib '/app/tools/common/lib';
use Common::Util qw(normalize_upc normalize_isrc);
use Common::Consts;
use Common::Assert;
use Common::Log;

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

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

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

sub _fieldMap {
    {
        dateBegin     => 'A',
        dateEnd       => 'A',
        productType   => 'B',
        formatType    => 'D',
        artistName    => 'E',
        upc           => 'F',
        albumName     => 'C',
        isrc          => 'G',
        trackName     => 'C',
        units         => 'I',
        price         => 'H',
	}
}

sub _importLines
{
	my $self = shift;
	my %args = @_;
	my $fileObj = $args{file};
    my $sheet_count = 0;

    assert(defined $args{sheets});

    my $sheet_names = $args{sheet_names};
    my $sheets = $args{sheets};
    my $linenum = 1;
    my $service = Client::Service::DSP_BANDCAMP;

    for (my $sheetIndex = 0; $sheetIndex < scalar @{$args{sheets}}; $sheetIndex++)
    {
        my $sheet = $sheets->[$sheetIndex];

        my $foundHeader = 0;
        my $foundArtistName = 0;
        my $inTheSales = 0;
		$linenum = 1;
		for (my $lineIndex = 0; $lineIndex < scalar @$sheet; $lineIndex++)
        {
            $linenum = $lineIndex + 1;
            my $line = $sheet->[$lineIndex];
            $self->{line} = $line;

            my $dateBegin = $self->_getByFieldName( 'dateBegin' );
            my $productType = $self->_getByFieldName( 'productType' );
            my $formatType = $self->_getByFieldName( 'formatType' );
            my $albumName = $self->_getByFieldName( 'albumName' );

            # this sales file has 4 types of lines:
            #       1) the file header
            #       2) a header for a block of records containing the artistname
            #       3) one or more sales records
            #       4) blank lines separating blocks of sales records

            # if the line is blank, ignore.  Unless....
            if ( !$dateBegin  && 
                 !$productType &&
                 !$formatType ) {
                    Common::Log::Debug("Found Blank Line $albumName");
                    # if we're processing a service block, reset the foundArtistName 
                    # and inTheSales variables
                    if ( $foundArtistName && $inTheSales ) {
                        $foundArtistName = 0;
                        $inTheSales = 0;
                        Common::Log::Debug("Ending a service block");
                    }
            } 

            # Check for the file header
            if ( !$foundHeader)
            {
                if ( $dateBegin =~ m/order.*date/i ) {
                    $foundHeader = 1;
                    Common::Log::Debug("Found Header");
                }
                next;
            }

            # check of they are reporting an artist name, but no sales data for that artist
            if ( $dateBegin eq "No report") {
                next;
            }
            # if we haven't found the artist header, yet
            if (! $foundArtistName) {
                # check if the date field is populated with a non-date and that there's
                # no productType value.  Then that's a servieName
                if ( !($dateBegin =~ m/\d{1,2}\/\d{1,2}\/\d{2}/ ) && 
                     !($dateBegin =~ m/\d{4}-\d{2}-\d{2}/ ) &&
                     $dateBegin && ( !$productType || $productType eq '' )) {
                    $foundArtistName = 1;
                }
                next;
            # we've found a block, now check for valid record values
            } else {
                # date is in M(M)/D(D)/YY format, with months and days not normalized to two digits
                # !!! Now date is coming through in YYYY-MM-DD format
                my $year;
                my $month;
                
                if ( $dateBegin =~ m/(\d{1,2})\/(\d{1,2})\/(\d{2})/ ) {
                    $inTheSales = 1;

                    #start assembling the sale info to insert
                    $year = 2000 + $3;
                    $month = $1;
                    
                } elsif ( $dateBegin =~ m/(\d{4})-(\d{2})-\d{2}/ ) {
                    $inTheSales = 1;

                    #start assembling the sale info to insert
                    $year = $1;
                    $month = $2;
                }
                
                if ($year && $month) {                    
                    my $dateBeginStr =  sprintf( "%04d-%02d-%02d", $year, $month, 1 );
                    my $dateEndStr =  sprintf( "%04d-%02d-%02d", $year, $month, Days_in_Month($year, $month) );                    
                    
                    $productType = RPS::File::Sale::TYPE_TRACK if ( lc($productType) eq 'track' );
                    $productType = RPS::File::Sale::TYPE_ALBUM if ( lc($productType) eq 'album' );

                    $formatType = RPS::File::Sale::FORMAT_DOWNLOAD if ( lc($formatType) eq 'digital download' );
                    my $artistName = $self->_getByFieldName( 'artistName' );
                    my $upc = $self->_getByFieldName( 'upc' );
                    $upc = normalize_upc($upc) if( $upc );

                    my $albumName = $self->_getByFieldName( 'albumName' );
                    my $trackName = $self->_getByFieldName( 'trackName' );

                    my $isrc = $self->_getByFieldName( 'isrc' );
                    $isrc = normalize_isrc($isrc) if( $isrc );

                    my $units = $self->_getByFieldName( 'units' );
                    my $price = $self->_getByFieldName( 'price' );
                    $price =~ s/\$//g;

                    # insert the sale record
                    my $sale = RPS::Import::SaleRec->new();

                    $sale->lineNum($linenum);
                    $sale->serviceID($service);
                    $sale->countryCode('US');
                    $sale->dateBegin($dateBeginStr);
                    $sale->dateEnd($dateEndStr);
                    $sale->productType($productType);
                    $sale->formatType($formatType);
                    $sale->artistName($artistName);
                    $sale->upc($upc);
                    $sale->albumName($albumName) if ($productType eq RPS::File::Sale::TYPE_ALBUM);
                    $sale->isrc($isrc);
                    $sale->trackName($trackName) if ($productType eq RPS::File::Sale::TYPE_TRACK);
                    $sale->units($units);
                    $sale->currencyCode('USD');
                    $sale->price($price);
                    $sale->mediaType(RPS::DB::Item::MediaType::kMediaTypeAudio);

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

                }
                next;
            }
        }
    }
	return $linenum;
}



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