package Tapir::Server::Handler;

use strict;
use warnings;
use base 'Class::Accessor::Grouped';

__PACKAGE__->mk_group_accessors(inherited => qw(service methods));

sub add_method {
	my ($class, $method, $modifier) = @_;
	$modifier ||= 'normal';
	if (my $methods = $class->methods) {
		$methods->{$method} = $modifier;
	}
	else {
		$class->methods({ $method => $modifier });
	}
}

sub add_call_actions {
	my ($class, $call) = @_;

	my $call_method_name = $call->method->name;

	my $add_method_action = sub {
		my ($method_name) = @_;
		$call->add_action(sub {
			$class->$method_name($call);
		});
	};

	# Add any 'before' methods
	while (my ($method_name, $modifier) = each %{ $class->methods }) {
		next unless $modifier eq 'before';
		$add_method_action->($method_name);
	}

	# If the method 'foo' exists as a normal (non-modified) method in the class, add that as an action
	if ($class->methods->{$call_method_name} && $class->methods->{$call_method_name} eq 'normal') {
		$add_method_action->($call_method_name);
	}

	# Add any 'after' methods
	while (my ($method_name, $modifier) = each %{ $class->methods }) {
		next unless $modifier eq 'after';
		$add_method_action->($method_name);
	}

	return;
}

1;