import RxSwift
import RxCocoa

class TodoListViewController: UIViewController {
    @IBOutlet var tableView: UITableView!
    @IBOutlet var addButton: UIBarButtonItem!

    private let viewModel = TodoListViewModel()
    private let disposeBag = DisposeBag()

    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupBindings()
    }

    private func setupViews() {
        tableView.register(UINib(nibName: "TodoListTableViewCell", bundle: nil), forCellReuseIdentifier: "TodoListTableViewCell")
    }

    private func setupBindings() {
        // 1
        viewModel
            .todoListSectionsObservable
            .bind(to: tableView.rx.items(dataSource: viewModel.dataSource))
            .disposed(by: disposeBag)

        addButton
            .rx
            .tap
            .bind(to: viewModel.addButtonObserver)
            .disposed(by: disposeBag)
    }
}