//
//  LabelAttributeAction.swift
//  VDS
//
//  Created by Matt Bruce on 8/3/22.
//

import Foundation
import UIKit
import Combine

public protocol ActionLabelAttributeModel: LabelAttributeModel {
    var accessibleText: String? { get set }
    var action: PassthroughSubject<Void, Never> { get set }
}

public struct ActionLabelAttribute: ActionLabelAttributeModel {
    
    public static func == (lhs: ActionLabelAttribute, rhs: ActionLabelAttribute) -> Bool {
        lhs.isEqual(rhs)
    }
    
    public func isEqual(_ equatable: ActionLabelAttribute) -> Bool {
        return id == equatable.id && range == equatable.range
    }
    
    //--------------------------------------------------
    // MARK: - Properties
    //--------------------------------------------------
    public var id = UUID()
    public var location: Int
    public var length: Int
    public var shouldUnderline: Bool
    public var accessibleText: String?
    public var action = PassthroughSubject<Void, Never>()
    
    //--------------------------------------------------
    // MARK: - Initializer
    //--------------------------------------------------
    
    public init(location: Int, length: Int, shouldUnderline: Bool = true, accessibleText: String? = nil) {
        self.location = location
        self.length = length
        self.shouldUnderline = shouldUnderline
        self.accessibleText = accessibleText
    }
    
    private enum CodingKeys: String, CodingKey {
        case location, length
    }
    
    public func setAttribute(on attributedString: NSMutableAttributedString) {
        if(shouldUnderline){
            attributedString.addAttribute(.underlineStyle, value: UnderlineStyle.single.value(), range: range)
        }
    }
}