<?php

namespace TwoFAS\TwoFAS\Http\Middleware;

use TwoFAS\Api\Exception\Exception as API_Exception;
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\Route;
use TwoFAS\TwoFAS\Http\View_Response;
use TwoFAS\TwoFAS\Integration\API_Wrapper;
use TwoFAS\TwoFAS\Storage\User_Storage;

class Check_Integration_User extends Middleware {

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

	/**
	 * @var User_Storage
	 */
	private $user_storage;

	/**
	 * @var API_Wrapper
	 */
	private $api_wrapper;

	/**
	 * @param Request      $request
	 * @param User_Storage $user_storage
	 * @param API_Wrapper  $api_wrapper
	 */
	public function __construct( Request $request, User_Storage $user_storage, API_Wrapper $api_wrapper ) {
		$this->request      = $request;
		$this->user_storage = $user_storage;
		$this->api_wrapper  = $api_wrapper;
	}

	/**
	 * @return JSON_Response|Redirection_Response|View_Response
	 *
	 * @throws User_Not_Found_Exception
	 * @throws API_Exception
	 */
	public function handle() {
		$user_id = $this->user_storage->get_user_id();
		$user    = $this->api_wrapper->get_integration_user_by_external_id( $user_id );

		if ( is_null( $user ) ) {
			if ( $this->request->is_ajax() ) {
				return $this->json( array(
					'error' => 'Integration user not found.',
				), 403 );
			}

			return $this->redirection( Route::SUBMENU_CHANNEL );
		}

		return $this->next->handle();
	}
}