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

import Foundation
import UIKit

public protocol RadioButtonModel: Modelable, FormFieldable, Errorable, DataTrackable, Accessable, Selectable, BinaryColorable {
    var labelText: String? { get set }
    var labelTextAttributes: [any LabelAttributeModel]? { get set }
    var childText: String? { get set }
    var childTextAttributes: [any LabelAttributeModel]? { get set }
}

extension RadioButtonModel {

    public var shouldShowError: Bool {
        guard hasError && !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: DefaultLabelModel? {
        guard let labelText = labelText else { return nil }
        var model = DefaultLabelModel()
        model.textPosition = .left
        model.typograpicalStyle = .BoldBodyLarge
        model.text = labelText
        model.surface = surface
        model.disabled = disabled
        model.attributes = labelTextAttributes
        return model
    }
    
    public var childModel: DefaultLabelModel? {
        guard let childText = childText else { return nil }
        var model = DefaultLabelModel()
        model.textPosition = .left
        model.typograpicalStyle = .BodyLarge
        model.text = childText
        model.surface = surface
        model.disabled = disabled
        model.attributes = childTextAttributes
        return model
    }
    
    public var errorModel: DefaultLabelModel? {
        guard let errorText = errorText, hasError else { return nil }
        var model = DefaultLabelModel()
        model.textPosition = .left
        model.typograpicalStyle = .BodyMedium
        model.text = errorText
        model.surface = surface
        model.disabled = disabled
        return model
    }
}

public struct DefaultRadioButtonModel: RadioButtonModel {
    public var id = UUID()
    public var selected: Bool = false

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

    public var hasError: 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() {}
    
    public static func == (lhs: DefaultRadioButtonModel, rhs: DefaultRadioButtonModel) -> Bool {
        lhs.isEqual(rhs)
    }
    
    public func isEqual(_ equatable: DefaultRadioButtonModel) -> Bool {
        return id == equatable.id
        && selected == equatable.selected
        
        && labelText == equatable.labelText
        && labelTextAttributes == equatable.labelTextAttributes
        && childText == equatable.childText
        && childTextAttributes == equatable.childTextAttributes
        
        && hasError == equatable.hasError
        && errorText == equatable.errorText
        
        && inputId == equatable.inputId
        && value == equatable.value
        
        && surface == equatable.surface
        && disabled == equatable.disabled
        
        && dataAnalyticsTrack == equatable.dataAnalyticsTrack
        && dataClickStream == equatable.dataClickStream
        && dataTrack == equatable.dataTrack
        && accessibilityHintEnabled == equatable.accessibilityHintEnabled
        && accessibilityHintDisabled == equatable.accessibilityHintDisabled
        && accessibilityValueEnabled == equatable.accessibilityValueEnabled
        && accessibilityValueDisabled == equatable.accessibilityValueDisabled
        && accessibilityLabelEnabled == equatable.accessibilityLabelEnabled
        && accessibilityLabelDisabled == equatable.accessibilityLabelDisabled
    }
}