#!/usr/bin/env perl

=head1 NAME

C<App::PickLE::WebServer> - A minimal API and web server for PickLE

=cut

package App::PickLE::WebServer;

use strict;
use warnings;
use Moo;
use Mojolicious::Lite;

use PickLE::Document;
use PickLE::Exporter::JSON;
use PickLE::Exporter::HTML;

=head1 API ENDPOINTS

=over 4

=item C<GET> C</>

The root of the server. This isn't used for anything other than a simple
reminder to the user that the server is running.

=cut

get "/" => sub { 
	my $self = shift;
	$self->render(
		text => "<h1>It works!</h1>\n<p>This is the PickLE web server.</p>\n"
	);
};

=item C<POST> C</export/>I<:ftype>

Exports a PickLE document in a specified I<format>.

=cut

post "/export/:ftype" => sub {
	my $self = shift;

	# Get the requested format and parse the document we were sent.
	my $format = $self->param('ftype');
	my $document = PickLE::Document->from_string($self->req->body);
	if (not defined $document) {
		return $self->reply->exception(
			"There were errors while trying to parse the document.\n");
	}

	if ($format eq 'pickle') {
		# Regular PickLE document.
		return $self->render_text($document->as_string, format => 'txt');
	} elsif ($format eq 'json') {
		# JSON
		return $self->render(json => PickLE::Exporter::JSON->as_hash($document));
	} elsif ($format eq 'html') {
		# HTML
		return $self->render(text => PickLE::Exporter::HTML->as_string($document));
	}

	# Unknown type to export.
	return $self->reply->exception("Unknown type of file to be exported.\n");
};

# Start web server.
app->start();

__END__

=back

=head1 AUTHOR

Nathan Campos <nathan@innoveworkshop.com>

=head1 COPYRIGHT

Copyright (c) 2022- Nathan Campos.

=cut