<?php
define('ABSPATH', __DIR__);

class WP_Term {
	public function __construct(
		public int $term_id,
		public int $parent,
		public string $name
	) {}
}

function absint($value): int { return abs((int) $value); }
function esc_attr($value): string { return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8'); }
function esc_html($value): string { return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8'); }
function get_terms(array $args): array {
	if ($args['taxonomy'] !== 'topics') return [];
	return [new WP_Term(1, 0, 'Parent'), new WP_Term(2, 1, 'Child'), new WP_Term(3, 1, 'Sibling'), new WP_Term(4, 0, 'Other')];
}
function get_term_children(int $id, string $taxonomy): array {
	return $taxonomy === 'topics' && $id === 1 ? [2, 3] : [];
}
function term_exists(int $id, string $taxonomy): bool {
	return $taxonomy === 'topics' && in_array($id, [1, 2, 3, 4], true);
}

require dirname(__DIR__, 2) . '/src/Core/SubmitTopics.php';
require dirname(__DIR__, 2) . '/templates/parts/submit/term-checks.php';

$root = ['allow_topics' => true, 'allowed_topic_ids' => [1]];
$child = ['allow_topics' => true, 'allowed_topic_ids' => [2]];
$disabled = ['allow_topics' => false, 'allowed_topic_ids' => []];
$tree = static fn(array $settings): array => array_map(
	static fn(array $node): array => ['id' => $node['term']->term_id, 'depth' => $node['depth']],
	\Jio\Core\SubmitTopics::tree($settings)
);

ob_start();
jio_submit_render_term_checks([new WP_Term(2, 1, 'Child')], [], 'topics');
$orphan_html = ob_get_clean();

echo json_encode([
	'root_tree' => $tree($root),
	'child_tree' => $tree($child),
	'disabled_tree' => $tree($disabled),
	'filtered' => \Jio\Core\SubmitTopics::filter_ids([2, 4, 999, 2], $child),
	'disabled_filtered' => \Jio\Core\SubmitTopics::filter_ids([2], $disabled),
	'orphan_html' => $orphan_html,
], JSON_THROW_ON_ERROR);