<?php
declare( strict_types=1 );

namespace ACP\Table;

use AC;
use AC\Table\ListKeyCollection;
use AC\Type\ListKey;
use ACP\ListScreen\Taxonomy;
use WP_Taxonomy;

class ListKeysFactory implements AC\Table\ListKeysFactoryInterface {

	/**
	 * @var AC\Table\ListKeysFactory
	 */
	private $factory;

	public function __construct( AC\Table\ListKeysFactory $factory ) {
		$this->factory = $factory;
	}

	public function create(): ListKeyCollection {
		$keys = $this->factory->create();

		foreach ( $this->get_taxonomies() as $taxonomy ) {
			$keys->add( new ListKey( Taxonomy::KEY_PREFIX . $taxonomy->name ) );
		}

		// Network
		$keys->add( new ListKey( 'wp-ms_users' ) );
		$keys->add( new ListKey( 'wp-ms_sites' ) );

		do_action( 'acp/list_keys', $keys );

		return $keys;
	}

	private function get_taxonomies(): array {
		$taxonomies = [];

		foreach ( $this->get_taxonomy_names() as $taxonomy_name ) {
			$taxonomy = get_taxonomy( $taxonomy_name );

			if ( ! $taxonomy instanceof WP_Taxonomy ) {
				continue;
			}

			$taxonomies[] = $taxonomy;
		}

		return $taxonomies;
	}

	/**
	 * @return string[]
	 */
	private function get_taxonomy_names(): array {
		$taxonomies = get_taxonomies( [ 'show_ui' => true ] );

		unset( $taxonomies['post_format'] );

		if ( ! get_option( 'link_manager_enabled' ) ) {
			unset( $taxonomies['link_category'] );
		}

		return (array) apply_filters( 'acp/taxonomies', $taxonomies );
	}

}