package SugarTrail::Template::Slave;
# STS holder
# new()

use strict;
use warnings;
use Carp;

sub new {
    my $class = shift;
    my $args = shift;
    my $self = {};
    $self->{args} = $args;
    $self->{steps} = [];
    return bless $self, $class;
}

sub source {
    my $self = shift;
    return sprintf "%s\n%s%s", $self->head, $self->warnings, $self->body;
}

sub head {
    my $self = shift;
    my @head;
    push @head, sprintf "%s: %s\n", $_, $self->{meta}->{$_} foreach keys %{$self->{meta}};
    return join "", @head;
}

sub body {
    my $self = shift;
    my @source;
    push @source, $_->{line} . "\n" foreach @{$self->{steps}};
    return join "", @source;
}

sub warnings {
    my $self = shift;
    my @warnings;
    foreach my $step (@{$self->{steps}}) {
        push @warnings, $_ foreach @{$step->{warnings}};
    }
    my $warnings = "";
    if (@warnings) {
        $warnings .= "---\n# SUGAR-TRAIL WARNINGS #\n\n";
        foreach (@warnings) {
            $warnings .= "> warning: $_\n";
        }
        $warnings .= "---\n\n";
    }
    return $warnings;
}


1;