package Ledger::Posting;
BEGIN {
  $Ledger::Posting::VERSION = '0.03';
}

use 5.010;
use Ledger::Util;
use Log::Any '$log';
use Parse::Number::EN qw(parse_number_en);
use Moo;

# VERSION

has account    => (is => 'rw', trigger => $reset_lineref_sub);
has amount     => (is => 'rw', trigger => $reset_lineref_sub); # [scalar, unit]
has comment    => (is => 'rw', trigger => $reset_lineref_sub);
has is_virtual => (is => 'rw', trigger => $reset_lineref_sub);
has virtual_must_balance => (is => 'rw', trigger => $reset_lineref_sub);
has tx         => (is => 'rw');
has lineref    => (is => 'rw');

sub BUILD {
    my ($self, $args) = @_;
    my $amt = $self->amount;
    if (defined($amt) && !ref($amt)) {
        $self->amount( Ledger::Util::parse_amount($self->amount) );
    }
    # re-set here because of trigger
    if (!defined($self->lineref)) {
        $self->lineref($args->{lineref});
    }
}

sub _die {
    my ($self, $msg) = @_;
    $self->tx->journal->_die("Invalid posting: $msg");
}

sub as_string {
    my ($self) = @_;
    if (defined $self->lineref) {
        ${$self->lineref};
    } else {
        my ($o, $c);
        if ($self->is_virtual) {
            if ($self->virtual_must_balance) {
                ($o, $c) = ("[", "]");
            } else {
                ($o, $c) = ("(", ")");
            }
        } else {
            ($o, $c) = ("", "");
        }

        " $o".$self->account.$c.
            ($self->amount ? "  ".Ledger::Util::format_amount() : "").
                (defined($self->comment) ? " ;".$self->comment : "").
                    "\n";
    }
}

sub seq {
    # XXX
}

1;
# ABSTRACT: Represent a Ledger posting in a transaction


=pod

=head1 NAME

Ledger::Posting - Represent a Ledger posting in a transaction

=head1 VERSION

version 0.03

=head1 SYNOPSIS

=head1 DESCRIPTION

=head1 ATTRIBUTES

=head2 account => STR

=head2 amount => NUM

=head2 commodity => STR

=head2 tx => OBJECT

Pointer to transaction object.

=head2 lineref => REF TO STR

=head1 METHODS

=for Pod::Coverage BUILD

=head2 new(...)

=head2 $p->seq()

Sequence of this posting in the transaction (1 for first, 2 for second, and so
on).

=head2 $p->as_string()

=head1 AUTHOR

Steven Haryanto <stevenharyanto@gmail.com>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Steven Haryanto.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut


__END__