<?php
/**
 * Integration manager.
 *
 * @package ZeroSpamForms
 */

namespace TwoOTwoCode\ZeroSpamForms\Integrations;

defined( 'ABSPATH' ) || exit;

/**
 * Registers only available integrations.
 */
final class IntegrationManager {
	/**
	 * Candidate integrations.
	 *
	 * @var array<int, IntegrationInterface>
	 */
	private $integrations;

	/**
	 * Registered integration keys.
	 *
	 * @var array<int, string>
	 */
	private $registered_keys = array();

	/**
	 * Constructor.
	 *
	 * @param array<int, IntegrationInterface> $integrations Candidate integrations.
	 */
	public function __construct( array $integrations ) {
		$this->integrations = array_values( $integrations );
	}

	/**
	 * Register hooks for integrations that are available.
	 *
	 * @return array<int, string>
	 */
	public function register_available_integrations(): array {
		$this->registered_keys = array();

		foreach ( $this->integrations as $integration ) {
			if ( ! $integration->is_available() ) {
				continue;
			}

			$integration->register_hooks();
			$this->registered_keys[] = $integration->get_key();
		}

		return $this->registered_keys;
	}

	/**
	 * Get integration status data without registering hooks.
	 *
	 * @return array<int, array{key:string,label:string,slug:string,available:bool}>
	 */
	public function get_integration_statuses(): array {
		$statuses = array();

		foreach ( $this->integrations as $integration ) {
			$statuses[] = array(
				'key'       => $integration->get_key(),
				'label'     => $integration->get_label(),
				'slug'      => $integration->get_slug(),
				'available' => $integration->is_available(),
			);
		}

		return $statuses;
	}

	/**
	 * Get registered integration keys.
	 *
	 * @return array<int, string>
	 */
	public function get_registered_keys(): array {
		return $this->registered_keys;
	}

	/**
	 * Get registered integration slugs.
	 *
	 * @return array<int, string>
	 */
	public function get_registered_slugs(): array {
		return $this->get_registered_keys();
	}
}