//
//  Clickable.swift
//  VDS
//
//  Created by Matt Bruce on 3/29/23.
//

import Foundation
import UIKit
import Combine

public protocol Clickable: ViewProtocol where Self: UIControl {
    /// Reference count used when a subscriber is listening for the UIControl event .touchUpInside.
    var touchUpInsideCount: Int { get set }
    /// Sets the primary Subscriber used for the UIControl event .touchUpInside.
    var onClickSubscriber: AnyCancellable? { get set }
}

extension Clickable {
    /// Allows the setting of a completion block against the onClickSubscriber cancellable.  This will
    /// completion block will get executed against the UIControl publisher for the 'touchUpInside' action.
    public var onClick: ((Self) -> ())? {
        get { return nil }
        set {
            if let newValue {
                onClickSubscriber = publisher(for: .touchUpInside)
                    .sink { c in
                        newValue(c)
                    }
            } else {
                onClickSubscriber?.cancel()
                onClickSubscriber = nil
            }
        }
    }
}