extension MoviesCollectionView{

    func setupRx(){
        setupRxCollectionView()
        setupRxDrivers()
    }

    func setupRxCollectionView(){

        let dataSubject = PublishSubject<[MoviesSection]>()
        let dataSource = RxCollectionViewSectionedAnimatedDataSource<MoviesSection>(
            configureCell:{ dataSource, tableView, indexPath, item in
                let cell = tableView.dequeueReusableCell(withReuseIdentifier: self.cellName(), for: indexPath)  as! MovieViewCell

                cell.setupWithMovie(item)

                return cell
        })

        dataSource.canMoveItemAtIndexPath = { dataSource, indexPath in
            return true
        }
        dataSubject
            .bind(to: collectionView.rx.items(dataSource: dataSource))
            .disposed(by: disposeBag)

        self.dataSubject = dataSubject
        self.dataSource = dataSource

    }

    func setupRxDrivers(){

        movies
            .driver
            .throttle(.milliseconds(500), latest: true)
            .drive(onNext:{ [weak self] movies in

                guard let this = self else { return }

                this.captureSearchString()
                this.isLoading.accept(false)
                this.dataSubject.onNext(this.dataFiltered())

            }).disposed(by: disposeBag)

        isLoading
            .drive(refreshControl.rx.isRefreshing)
            .disposed(by: disposeBag)


        currentPage
            .drive(onNext:{ [weak self] currentPage in
                self?.loadMovies()
            })
            .disposed(by: disposeBag)

        searchString
            .drive( onNext:{ [weak self] searchString in
                guard let this = self else { return }

                this.dataSubject.onNext(this.dataFiltered())
            })
            .disposed(by: disposeBag)

    }
}