ProtocolOriented.swift

import UIKit

// MARK:- General Protocols
protocol ViewProtocol: class{
    func showError(message: String)
    func showLoading()
    func hideLoading()
    func refreshView()
}

protocol WireFrameProtocol: class{
    func redirectToLoginScreen_inValidateAndRemoveUserSession(from view: ViewProtocol)
}

extension WireFrameProtocol{
    func redirectToLoginScreen_inValidateAndRemoveUserSession(from view: ViewProtocol){
        if let view = view as? UIViewController{
            let loginView = LoginViewWireFrame.createLoginViewModule()
            loginView.modalPresentationStyle = .fullScreen
            view.present(loginView, animated: true, completion: nil)
        }
    }
}

protocol InteractorOutputProtocol: class {
    var view: ViewProtocol? { get set }
    var wireFrame: WireFrameProtocol? { get set }
   
    // Interactor -> Presenter
    func onError(message: String)
    func onLoginTokenExpired(message: String)
}

// MARK:- Protocols for Home View

protocol HomeViewProtocol: ViewProtocol {
    var presenter: HomeViewPresenterProtocol? { get set }
    
}

protocol HomeViewPresenterProtocol: class {
    var view: HomeViewProtocol? { get set }
//    var interactor: HomeViewInteractorInputProtocol? { get set }
    var wireFrame: HomeViewWireFrameProtocol? { get set }
    
    var categoriesTop: [String] { get set }
    var myTopPicks: [String] { get set }
    
    // View -> Presenter
    func viewDidLoad()
}

protocol HomeViewInteractorOutputProtocol: InteractorOutputProtocol{
    func didFetchData(categoriesTop: [String]?, myTopPicks: [String]?)
}

protocol HomeViewWireFrameProtocol: WireFrameProtocol {
    static func createHomeViewModel() -> UIViewController
    
    // Presenter -> WireFrame
}

// MARK:- Implementation of Home class
class HomeViewWireframe: HomeViewWireFrameProtocol{
    static func createHomeViewModel() -> UIViewController{
        
        let viewController = HomeView()
        let view = viewController as HomeViewProtocol
        let presenter: HomeViewPresenterProtocol & HomeViewInteractorOutputProtocol = HomeViewPresenter()
        let wireFrame: HomeViewWireFrameProtocol = HomeViewWireframe()

        view.presenter = presenter

        presenter.view = view
        presenter.wireFrame = wireFrame

        
        return viewController

    }
}

class HomeView: UIViewController, HomeViewProtocol{
    var presenter: HomeViewPresenterProtocol?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        presenter?.viewDidLoad()
    }
    
    func showError(message: String){}
    func showLoading(){}
    func hideLoading(){}
    func refreshView(){}
    
}

class HomeViewPresenter: HomeViewPresenterProtocol, HomeViewInteractorOutputProtocol{
    var view: HomeViewProtocol?
    var wireFrame: HomeViewWireFrameProtocol?
        
    var categoriesTop: [String]  = []
    var myTopPicks: [String] = []
        
    // View -> Presenter
    func viewDidLoad(){}
    
    
    // implemented from HomeViewInteractorOutputProtocol
    func didFetchData(categoriesTop: [String]?, myTopPicks: [String]?){}
    
    // implemented from InteractorOutputProtocol
    func onError(message: String){}
    func onLoginTokenExpired(message: String){}
}


// MARK:- Helpers To make Test Possible
class LoginViewWireFrame{
    static func createLoginViewModule() -> UIViewController{
        return UIViewController()
    }
}

/// Errors
// error: MyPlayground.playground:98:7: error: type 'HomeViewPresenter' does not conform to protocol 'InteractorOutputProtocol'
// class HomeViewPresenter: HomeViewPresenterProtocol, HomeViewInteractorOutputProtocol{
//       ^

// MyPlayground.playground:99:9: note: candidate has non-matching type 'HomeViewProtocol?'
//     var view: HomeViewProtocol?
//         ^

// MyPlayground.playground:100:9: note: candidate has non-matching type 'HomeViewWireFrameProtocol?'
//     var wireFrame: HomeViewWireFrameProtocol?
//         ^

// MyPlayground.playground:26:9: note: protocol requires property 'view' with type 'ViewProtocol?'; do you want to add a stub?
//     var view: ViewProtocol? { get set }
//         ^

// MyPlayground.playground:27:9: note: protocol requires property 'wireFrame' with type 'WireFrameProtocol?'; do you want to add a stub?
//     var wireFrame: WireFrameProtocol? { get set }
//         ^