//
//  TextFieldViewModel.swift
//  
//
//  Created by Juraldinio on 2/19/23.
//

import Foundation
import UIKit
import Combine

public final class TextFieldViewModel: ObservableObject {
    
    @Published
    public var text = ""
    
    @Published
    public var isFirstResponder = false
    
    @Published
    public var shouldClear: Bool = false
    
    public let placeholder: String
    public let keyboardType: UIKeyboardType
    
    public var isCloseButtonVisible: Bool { !self.text.isEmpty }
    
    private var canclellables = Set<AnyCancellable>()
    
    // MARK: - Init
    
    public init(placeholder: String = "", keyboardType: UIKeyboardType = .default) {
        self.placeholder = placeholder
        self.keyboardType = keyboardType
        
        self.$text
            .receive(on: DispatchQueue.main)
            .sink { [weak self] value in
                self?.shouldClear = value == ""
            }
            .store(in: &self.canclellables)
    }
    
    // MARK: - Methods
    
    public func clearButtonAction() {
        self.text = ""
        self.isFirstResponder = false
        self.shouldClear = false
    }
}