package Subtitle::SSA::Record;

use strict;
use warnings;
use utf8;

use overload => (
  '""' => \&to_string,
);

# options:
#  * version - 'ssa' for v4 or 'ass' for v4+
sub new {
  my ($class, %opts) = @_;
  my $self = {
    _vers => 'ass',
  };
  bless($self, $class);

  if ($opts{version} and $opts{version} =~ m{^(ass|ssa)$}oi) {
    $self->{_vers} = lc($opts{version});
  }

  my @fields = $self->fields();
  foreach my $field (@fields) {
    $self->{$field} = ($opts{defaults})
      ? $FIELDS{$field}->{value}
      : undef;
  }

  return $self;
}

sub fields {
  my ($self) = @_;
  return ($self->{_vers} eq 'ssa')
    ? @FIELDS_SSA
    : @FIELDS_ASS;
}

sub set {
  my ($self, $opt, $value) = @_;
  return unless $opt;
  $opt = lc($opt);
  return unless exists $self->{$opt};
  $self->{$opt} = $value;
  return 1;
}

1;