<?php

namespace rosavox\services\doc;

require_once('helpers/string.php');
require_once('helpers/storage.php');
require_once('helpers/misc.php');


/**
 */
class state
{
	public static ?\rosavox\helpers\storage\interface_ $storage = null;
}


/**
 */
function name(int $id) : string
{
	return \sprintf('doc-%04u', $id);
}


/**
 */
function audio_path(int $id) : string
{
	return \sprintf('docs/%s.oga', name($id));
}


/**
 */
function readable_path(int $id) : string
{
	return \sprintf('docs/%s.md', name($id));
}


/**
 */
function generate_readable(int $id, $doc) : void
{
	$markdown = \rosavox\helpers\string_\coin(
		"# {{value_title}}

## {{label_authors}}

{{value_authors}}


## {{label_content}}

{{value_content}}

{{macro_reasoning}}",
		[
			'label_title' => \rosavox\helpers\misc\translate('domain.doc.title'),
			'value_title' => $doc['title'],
			'label_authors' => \rosavox\helpers\misc\translate('domain.doc.authors'),
			'value_authors' => \implode(
				"\n",
				\array_map(
					fn ($author) => \rosavox\helpers\string_\coin(
						'- {{author}}',
						[
							'author' => $author,
						]
					),
					$doc['authors']
				)
			),
			'label_content' => \rosavox\helpers\misc\translate('domain.doc.content'),
			'value_content' => $doc['content'],
			'macro_reasoning' => (
				($doc['reasoning'] === null)
				?
				''
				:
				\rosavox\helpers\string_\coin(
					"
## {{label_reasoning}}

{{value_reasoning}}",
					[
						'label_reasoning' => \rosavox\helpers\misc\translate('domain.doc.reasoning'),
						'value_reasoning' => $doc['reasoning'],
					]
				)
			)
		]
	);
	\file_put_contents(
		readable_path($id),
		$markdown
	);
}


/**
 */
function generate_audio(int $id, $doc) : void
{
	$pause = " .\n";
	$text = \rosavox\helpers\string_\coin(
		"{{value_title}}{{pause}}{{label_authors}}: {{value_authors}}{{pause}}{{label_content}}: {{value_content}}{{macro_reasoning}}",
		[
			'pause' => $pause,
			'label_title' => \rosavox\helpers\misc\translate('domain.doc.title'),
			'value_title' => $doc['title'],
			'label_authors' => \rosavox\helpers\misc\translate('domain.doc.authors'),
			'value_authors' => \implode($pause, $doc['authors']),
			'label_content' => \rosavox\helpers\misc\translate('domain.doc.content'),
			'value_content' => $doc['content'],
			'macro_reasoning' => (
				($doc['reasoning'] === null)
				?
				''
				:
				\rosavox\helpers\string_\coin(
					"{{pause}}{{label_reasoning}}: {{value_reasoning}}",
					[
						'pause' => $pause,
						'label_reasoning' => \rosavox\helpers\misc\translate('domain.doc.reasoning'),
						'value_reasoning' => $doc['reasoning'],
					]
				)
			)
		]
	);
	\rosavox\helpers\misc\generate_audio(
		$text,
		audio_path($id)
	);
}


/**
 */
function empty_() : array
{
	return [
		'title' => '',
		'authors' => [],
		'content' => '',
		'reasoning' => null,
	];
}


/**
 */
function list_() : array
{
	return state::$storage->list_();
}


/**
 */
function read(int $id) : array
{
	return state::$storage->read($id);
}


/**
 * @todo async generating
 */
function create(array $doc) : int
{
	$id = state::$storage->create($doc);
	generate_readable($id, $doc);
	generate_audio($id, $doc);
	return $id;
}


/**
 */
function update(int $id, array $doc) : void
{
	state::$storage->update($id, $doc);
	generate_readable($id, $doc);
	generate_audio($id, $doc);
}


/**
 */
function delete(int $id) : void
{
	state::$storage->delete($id);
}


/**
 */
function add_examples() : void
{
	create(
		[
			'title' => 'Freibier bei Parteitagen',
			'authors' => [
				'Björn Biernot',
				'Doreen Dauerdurst',
			],
			'content' => 'Der Landesverband möge beschließen, dass zu Beginn eines jeden Parteitags für jeden Deligierten mindestens zwei Flaschen Bier auf den zugehörigen Platz zu stellen sind.',
			'reasoning' => 'Wir haben Durst!',
		]
	);
	create(
		[
			'title' => 'Götterdämmerung',
			'authors' => [
				'Fenriswolf',
			],
			'content' => 'Der Allvater hat mich betrogen. Ich werde ihn und seine elende Asenbrut verschlingen.',
			'reasoning' => null,
		]
	);
}


/**
 */
function init() : void
{
	state::$storage = new \rosavox\helpers\storage\class_jsonfile(
		'docs.json',
		fn ($id) => \sprintf('%u', $id),
		fn ($id_encoded) => \intval($id_encoded)
	);
	if (empty(state::$storage->list_()))
	{
		add_examples();
	}
	else
	{
		// do nothing
	}
}

 ?>