#!/usr/bin/env perl 

package Base;
use Moose;
has title       => ( is => 'rw', isa => 'Any' );
has start_year  => ( is => 'rw', isa => 'Any' );

sub to_string {
    my $self = shift;
    return join "\n", 
        '     Title: ' . $self->title,
        'Start Year: ' . $self->start_year,
    ;
}
    

package Movie;
use Moose;
extends 'Base';
has based_on    => ( is => 'rw', isa => 'Any' );
has company     => ( is => 'rw', isa => 'Any' );

sub to_string {
    my $self = shift;
    return join "\n", 
        $self->SUPER::to_string,
        '  Based On: ' . $self->based_on,
        '   Company: ' . $self->company,
        '',
    ;
}


package TV;
use Moose;
extends 'Base';
has end_year    => ( is => 'rw', isa => 'Any' );

sub run_time {
    my $self = shift;
    return $self->end_year - $self->start_year;
}

sub to_string {
    my $self = shift;
    return join "\n", 
        $self->SUPER::to_string,
        '  End Year: ' . $self->end_year,
        '  Run Time: ' . $self->run_time,
        '',
    ;
}


package main;
use strict;
use warnings;

my %movies_data = (
    Firefly => {
        title       => 'Firefly',
        start_year  => '2002',
        end_year    => '2003',
        media       => 'tv',
    },
    'The Avengers' => {
        title       => 'The Avengers',
        start_year  => '1998',
        end_year    => '',
        media       => 'film',
        based_on    => 'television series',
        company     => 'Thames Television',
    },
);

my @objects;
for (keys %movies_data) {
    if ($movies_data{$_}{media} eq 'film') {
        push @objects, Movie->new( $movies_data{$_} );
    } elsif ($movies_data{$_}{media} eq 'tv') {
        push @objects, TV->new( $movies_data{$_} );
    }
}

print $_->to_string, $/ for @objects;

##</code><code>##

package Factory;
use MooseX::AbstractFactory;
implementation_class_via sub { shift };

package main;
use strict;
use warnings;

my %movies_data = (
    Firefly => {
        title       => 'Firefly',
        start_year  => '2002',
        end_year    => '2003',
        media       => 'TV',       # <--- real class name
    },
    'The Avengers' => {
        title       => 'The Avengers',
        start_year  => '1998',
        end_year    => '',
        media       => 'Movie',    # <--- real class name
        based_on    => 'television series',
        company     => 'Thames Television',
    },
);

my @objects;
for (keys %movies_data) {
    push @objects, Factory->create( $movies_data{$_}{media}, $movies_data{$_} );
}

print $_->to_string, $/ for @objects;