<?php

namespace TwoFAS\TwoFAS\Authentication;

use TwoFAS\TwoFAS\Exceptions\User_Not_Found_Exception;
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 handles a login stop request.
 */
final class Login_Stop extends Login_Handler {

	/**
	 * @var Step_Token
	 */
	private $step_token;

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

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

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

		try {
			$this->get_wp_user();

			return $this->request->is_login_action_equal_to( Login_Action::STOP_LOGIN_PROCESS );
		} catch ( User_Not_Found_Exception $e ) {
			return false;
		}
	}

	/**
	 * @param null|WP_Error|WP_User $user
	 *
	 * @return bool|JSON_Response|Redirection_Response|View_Response
	 */
	protected function handle( $user ) {
		$this->step_token->reset();

		$login_url     = wp_login_url();
		$interim_login = $this->request->request( 'interim-login' );

		if ( $interim_login ) {
			$login_url = add_query_arg( 'interim-login', '1', $login_url );
		}

		return $this->redirection( $login_url );
	}
}