#!/usr/bin/perl

use strict;
use Getopt::Std;

use lib '/app/tools/common/lib';
use Common::RSApp;
use Common::RSMath;

use lib '/app/tools/rps/lib';
use RPS::DB::Item::Track;
use RPS::DB::Item::TrackLicense;
use RPS::DB::Item::Album;
use RPS::DB::Item::Publisher;

# Parse the command-line.
#
my ($clientID) = parseCommandLine();

# Instantiate the application singleton object.
#
my $appSingleton = Common::RSApp->new( clientID => $clientID );

convertContracts();

#
# --- Subroutines
#

sub convertContracts {

    # my %regionRates = (6 => 100, 7 => 85, 10 => 75, 0 => 50);

    # get collection of contracts
    #
    my $trackColl = RPS::DB::Item::Track->GetAll();

    while ( $trackColl->hasNext() ) {
        my $trackObj = $trackColl->next();
        next if ( $trackObj->mechanical_exempt );

        my $licenseColl = RPS::DB::Item::TrackLicense->GetLicensesByTrackID( $trackObj->track_id );
        if ( $licenseColl->hasNext() ) {
            my $totalShare   = 0;
            my $publicDomain = 0;
            while ( $licenseColl->hasNext() ) {
                my $licenseObj = $licenseColl->next();
                if ( RPS::DB::Item::TrackLicense::kPublicDomain() == $licenseObj->type ) {
                    $publicDomain = 1;
                    next;
                }

                $totalShare += $licenseObj->share;

                if ( !$licenseObj->date_issued ) {
                    reportLicense( $licenseObj, $trackObj );
                }
            }

            if ( !$publicDomain && $totalShare < 95 ) {
                reportTrack( $trackObj, $totalShare );
            }
        } else {

            # report this track as having no licenses
            #
            reportTrack($trackObj);
        }

    }
}

sub reportLicense {
    my ( $license, $track ) = @_;

    my $album = RPS::DB::Item::Album->Lookup( album_id => $track->album_id );
    my $publisher = RPS::DB::Item::Publisher->Lookup( publisher_id => $license->publisher_id );

    my $line = join( "\t",
        $album->catalog_number, $album->title, $track->title, $publisher->publisher_name,
        $license->share, undef, $license->date_issued );

    reportLine($line);
}

sub reportTrack {
    my ( $track, $missingShare ) = @_;
    $missingShare ||= 100;

    my $album = RPS::DB::Item::Album->Lookup( album_id => $track->album_id );

    my $line = join( "\t", $album->catalog_number, $album->title, $track->title, undef, undef, $missingShare, undef );

    reportLine($line);
}

sub reportLine {
    my $line = shift;

    print $line . "\n";
}

sub parseCommandLine {
    my %opt;
    getopts( 'c:f:p', \%opt );

    my $clientID = $opt{c};

    unless ( $clientID =~ /^\d+$/ && $clientID > 0 ) {
        die usage("You must specify a valid client ID");
    }

    return $clientID;
}

sub usage {
    my $errstr = shift;
    my $text = ($errstr) ? "ERROR: $errstr\n" : '';
    $text .= "Usage: $0 -c <clientID> -f <inputFile>\n";
    return $text;
}