//
//  CommonMenu.swift
//  Wallet
//
//  Created by Igor on 27.02.2021.
//  Copyright © 2021 AM. All rights reserved.
//

import UIKit

protocol CommonMenuMappable {
    func toMenu() -> Common.Model.Menu
}

extension Array where Element: CommonMenuMappable {
    func index(of menu: Common.Model.Menu) -> Int? { index(of: menu.uuid) }
    func index(of uuid: String) -> Int? { firstIndex(where: { $0.toMenu().uuid == uuid }) }
    func object(menu: Common.Model.Menu) -> Element? { object(uuid: menu.uuid) }
    func object(uuid: String) -> Element? { first(where: { $0.toMenu().uuid == uuid }) }
}

protocol CommonMenuSender: AnyObject {
    var action: CommonMenuAction? { get }
    func update(animated: Bool)
}

class CommonMenuAction {
    let icon: UIImage?
    let empty: Common.Model.Menu?
    var selected: Common.Model.Menu?
    var menu: Common.Model.Menu? { selected ?? empty }
    private let action: ((CommonMenuSender) -> Void)?
    
    init(
        icon: UIImage? = nil,
        empty: Common.Model.Menu? = nil,
        selected: Common.Model.Menu? = nil,
        action: ((CommonMenuSender) -> Void)? = nil
    ) {
        self.icon = icon
        self.empty = empty
        self.selected = selected
        self.action = action
    }
    
    func perform(sender: CommonMenuSender) { action?(sender) }
}

extension CommonMenuAction {
    static func action(
        title: String,
        text: String? = nil,
        action: ((CommonMenuSender) -> Void)? = nil
    ) -> CommonMenuAction { .init(empty: .menu(title: title, text: text), action: action) }
    static func action(
        icon: UIImage? = nil,
        empty: Common.Model.Menu? = nil,
        selected: Common.Model.Menu? = nil,
        action: ((CommonMenuSender) -> Void)? = nil
    ) -> CommonMenuAction { .init(icon: icon, empty: empty, selected: selected, action: action) }
}