<?php

namespace TwoFAS\TwoFAS\Authentication;

use TwoFAS\TwoFAS\Core\Plugin_Compatibility;
use TwoFAS\TwoFAS\Http\JSON_Response;
use TwoFAS\TwoFAS\Http\Redirection_Response;
use TwoFAS\TwoFAS\Http\Request;
use TwoFAS\TwoFAS\Http\View_Response;
use WP_Error;
use WP_User;

/**
 * This class redirects to a default WordPress login page
 * if a login is done from an external site (for example, WooCommerce login form).
 */
final class External_Login extends Login_Handler {

	/**
	 * @var Plugin_Compatibility
	 */
	private $plugin_compatibility;

	/**
	 * @var Request
	 */
	private $request;

	/**
	 * @param Login_Support        $login_support
	 * @param Plugin_Compatibility $plugin_compatibility
	 * @param Request              $request
	 */
	public function __construct(
		Login_Support $login_support,
		Plugin_Compatibility $plugin_compatibility,
		Request $request
	) {
		parent::__construct( $login_support );
		$this->plugin_compatibility = $plugin_compatibility;
		$this->request              = $request;
	}

	/**
	 * @param null|WP_Error|WP_User $user
	 *
	 * @return bool
	 */
	public function supports( $user ) {
		return $this->is_wp_user( $user ) && $this->plugin_compatibility->is_external_login( $this->request );
	}

	/**
	 * @param null|WP_Error|WP_User $user
	 *
	 * @return bool|JSON_Response|Redirection_Response|View_Response
	 */
	protected function handle( $user ) {
		return $this->redirection( $this->plugin_compatibility->get_redirect_to_url( $this->request ) );
	}
}