//
//  Modelable.swift
//  VDS
//
//  Created by Matt Bruce on 7/22/22.
//

import Foundation
import Combine

public protocol ModelHandlerable: AnyObject {
    associatedtype ModelType: Modelable
    var model: ModelType { get set }

    init(with model: ModelType)
    func set(with model: ModelType)
    func shouldUpdateView(viewModel: ModelType) -> Bool
    func updateView(viewModel: ModelType)
}

extension ModelHandlerable {
    
    public func set(with model: ModelType) {
        if shouldUpdateView(viewModel: model){
            updateView(viewModel: model)
            self.model = model
        }
    }
}

public protocol ModelHandlerPublishable: ModelHandlerable {
    var modelPublished: Published<ModelType> { get }
    var modelPublisher: Published<ModelType>.Publisher { get }
    var subscribers: Set<AnyCancellable> { get set }
}