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

import Foundation
import UIKit

public protocol CheckboxModel: FormFieldable, Errorable, DataTrackable, Accessable, Surfaceable, Disabling, Initable {
    var id: String? { get set }
    var on: Bool { get set }
    var labelText: String? { get set }
    var labelTextAttributes: [LabelAttributeModel]? { get set }
    var childText: String? { get set }
    var childTextAttributes: [LabelAttributeModel]? { get set }
}

extension CheckboxModel {
    public var fontCategory: FontCategory {
        get { return .body }
        set { return }
    }
    
    public var shouldShowError: Bool {
        guard showError && !disabled && errorText?.isEmpty == false else { return false }
        return true
    }
    
    public var shouldShowLabels: Bool {
        guard labelText?.isEmpty == false || childText?.isEmpty == false else { return false }
        return true
    }
    
    public var labelModel: LabelModel? {
        guard let labelText = labelText else { return nil }
        let model = DefaultLabelModel()
        model.fontSize = .large
        model.textPosition = .left
        model.fontWeight = .bold
        model.fontCategory = .body
        model.text = labelText
        model.surface = surface
        model.disabled = disabled
        model.attributes = labelTextAttributes
        return model
    }
    
    public var childModel: LabelModel? {
        guard let childText = childText else { return nil }
        let model = DefaultLabelModel()
        model.fontSize = .large
        model.textPosition = .left
        model.fontWeight = .regular
        model.fontCategory = .body
        model.text = childText
        model.surface = surface
        model.disabled = disabled
        model.attributes = childTextAttributes
        return model
    }
    
    public var errorModel: LabelModel? {
        guard let errorText = errorText, showError else { return nil }
        let model = DefaultLabelModel()
        model.fontSize = .medium
        model.textPosition = .left
        model.fontWeight = .regular
        model.fontCategory = .body
        model.text = errorText
        model.surface = surface
        model.disabled = disabled
        return model
    }
}

public struct DefaultCheckboxModel: CheckboxModel {
    public var id: String?
    public var on: Bool = false

    public var labelText: String?
    public var labelTextAttributes: [LabelAttributeModel]?
    public var childText: String?
    public var childTextAttributes: [LabelAttributeModel]?

    public var showError: Bool = false
    public var errorText: String?

    public var inputId: String?
    public var value: AnyHashable?

    public var surface: Surface = .light
    public var disabled: Bool = false

    public var dataAnalyticsTrack: String?
    public var dataClickStream: String?
    public var dataTrack: String?
    public var accessibilityHintEnabled: String?
    public var accessibilityHintDisabled: String?
    public var accessibilityValueEnabled: String?
    public var accessibilityValueDisabled: String?
    public var accessibilityLabelEnabled: String?
    public var accessibilityLabelDisabled: String?
    
    public init() {}
}