<?php
/**
 * Product groups REST controller.
 *
 * @package HostKhata
 */

namespace HostKhata\Rest;

defined( 'ABSPATH' ) || exit;

use HostKhata\Core\Capabilities;
use HostKhata\Database\Repositories\GroupRepository;
use HostKhata\Domain\Catalog\CatalogService;
use WP_REST_Request;

/**
 * `/hostkhata/v1/product-groups`. Needs `hostkhata_manage_orders`.
 *
 * @since 0.1.0
 */
final class ProductGroupsController extends ResourceController {

	/**
	 * Route base.
	 *
	 * @var string
	 */
	protected $rest_base = 'product-groups';

	/**
	 * Catalogue service.
	 *
	 * @var CatalogService
	 */
	private $catalog;

	/**
	 * Groups.
	 *
	 * @var GroupRepository
	 */
	private $groups;

	/**
	 * Constructor.
	 *
	 * @param CatalogService  $catalog Catalogue service.
	 * @param GroupRepository $groups  Groups.
	 */
	public function __construct( CatalogService $catalog, GroupRepository $groups ) {
		$this->catalog = $catalog;
		$this->groups  = $groups;
	}

	/**
	 * {@inheritdoc}
	 */
	protected function capability(): string {
		return Capabilities::MANAGE_ORDERS;
	}

	/**
	 * {@inheritdoc}
	 */
	protected function collection_args(): array {
		return array();
	}

	/**
	 * Implements the abstract method of the resource controller.
	 *
	 * @since 0.1.0
	 *
	 * @param WP_REST_Request $request Request.
	 * @return array{items: array<int, array<string, mixed>>, total: int}
	 */
	protected function query_items( WP_REST_Request $request ): array {
		$items = $this->groups->all();

		return array(
			'items' => $items,
			'total' => count( $items ),
		);
	}

	/**
	 * Implements the abstract method of the resource controller.
	 *
	 * @since 0.1.0
	 *
	 * @param int $id Item id.
	 * @return array<string, mixed>|null
	 */
	protected function find_item( int $id ): ?array {
		return $this->groups->find( $id );
	}

	/**
	 * Implements the abstract method of the resource controller.
	 *
	 * @since 0.1.0
	 *
	 * @param array<string, mixed> $body Request body.
	 * @return array<string, mixed>|\WP_Error
	 */
	protected function create_resource( array $body ) {
		return $this->catalog->create_group( $body );
	}

	/**
	 * Implements the abstract method of the resource controller.
	 *
	 * @since 0.1.0
	 *
	 * @param int                  $id Item id.
	 * @param array<string, mixed> $body Request body.
	 * @return array<string, mixed>|\WP_Error
	 */
	protected function update_resource( int $id, array $body ) {
		return $this->catalog->update_group( $id, $body );
	}

	/**
	 * Implements the abstract method of the resource controller.
	 *
	 * @since 0.1.0
	 *
	 * @param int $id Item id.
	 * @return true|\WP_Error
	 */
	protected function delete_resource( int $id ) {
		return $this->catalog->delete_group( $id );
	}

	/**
	 * {@inheritdoc}
	 */
	protected function supports_reorder(): bool {
		return true;
	}

	/**
	 * Implements the abstract method of the resource controller.
	 *
	 * @since 0.1.0
	 *
	 * @param int[] $ids Ids in the wanted order.
	 * @return void
	 */
	protected function reorder_resource( array $ids ): void {
		$this->catalog->reorder_groups( $ids );
	}

	/**
	 * {@inheritdoc}
	 */
	protected function not_found_message(): string {
		return __( 'Group not found.', 'hostkhata' );
	}

	/**
	 * Implements the abstract method of the resource controller.
	 *
	 * @since 0.1.0
	 *
	 * @param array<string, mixed> $item Item from the repository.
	 * @return array<string, mixed>
	 */
	protected function present( array $item ): array {
		return array(
			'id'            => $item['id'],
			'name'          => $item['name'],
			'slug'          => $item['slug'],
			'description'   => $item['description'],
			'status'        => $item['status'],
			'sort_order'    => $item['sort_order'],
			'product_count' => $item['product_count'],
		);
	}
}