//
//  TextContentType.swift
//  textfield
//
//  Created by Cassius Pacheco on 5/6/18.
//  Copyright © 2018 Cassius Pacheco. All rights reserved.
//

import UIKit

enum TextContentType {

    case name
    case namePrefix
    case givenName
    case middleName
    case familyName
    case nameSuffix
    case nickname
    case jobTitle
    case organizationName
    case location
    case fullStreetAddress
    case streetAddressLine1
    case streetAddressLine2
    case addressCity
    case addressState
    case addressCityAndState
    case sublocality
    case countryName
    case postalCode
    case telephoneNumber
    case emailAddress
    case URL
    case creditCardNumber
    case username
    case password
    case newPassword
    case oneTimeCode
    case unavailable

    @available(iOS 10.0, *)
    var value: UITextContentType? {

        switch self {

        case .name:
            return .name

        case .namePrefix:
            return .namePrefix

        case .givenName:
            return .givenName

        case .middleName:
            return .middleName

        case .familyName:
            return .familyName

        case .nameSuffix:
            return .nameSuffix

        case .nickname:
            return .nickname

        case .jobTitle:
            return .jobTitle

        case .organizationName:
            return .organizationName

        case .location:
            return .location

        case .fullStreetAddress:
            return .fullStreetAddress

        case .streetAddressLine1:
            return .streetAddressLine1

        case .streetAddressLine2:
            return .streetAddressLine2

        case .addressCity:
            return .addressCity

        case .addressState:
            return .addressState

        case .addressCityAndState:
            return .addressCityAndState

        case .sublocality:
            return .sublocality

        case .countryName:
            return .countryName

        case .postalCode:
            return .postalCode

        case .telephoneNumber:
            return .telephoneNumber

        case .emailAddress:
            return .emailAddress

        case .URL:
            return .URL

        case .creditCardNumber:
            return .creditCardNumber

        case .username:

            guard #available(iOS 11.0, *) else { return nil }

            return .username

        case .password:

            guard #available(iOS 11.0, *) else { return nil }

            return .password

        case .newPassword:

            guard #available(iOS 12.0, *) else { return nil }

            return .newPassword

        case .oneTimeCode:

            guard #available(iOS 12.0, *) else { return nil }

            return .oneTimeCode

        case .unavailable:
            return nil
        }
    }

    @available(iOS 10.0, *)
    init(type: UITextContentType) {

        switch type {

        case .name:
            self = .name

        case .namePrefix:
            self = .namePrefix

        case .givenName:
            self = .givenName

        case .middleName:
            self = .middleName

        case .familyName:
            self = .familyName

        case .nameSuffix:
            self = .nameSuffix

        case .nickname:
            self = .nickname

        case .jobTitle:
            self = .jobTitle

        case .organizationName:
            self = .organizationName

        case .location:
            self = .location

        case .fullStreetAddress:
            self = .fullStreetAddress

        case .streetAddressLine1:
            self = .streetAddressLine1

        case .streetAddressLine2:
            self = .streetAddressLine2

        case .addressCity:
            self = .addressCity

        case .addressState:
            self = .addressState

        case .addressCityAndState:
            self = .addressCityAndState

        case .sublocality:
            self = .sublocality

        case .countryName:
            self = .countryName

        case .postalCode:
            self = .postalCode

        case .telephoneNumber:
            self = .telephoneNumber

        case .emailAddress:
            self = .emailAddress

        case .URL:
            self = .URL

        case .creditCardNumber:
            self = .creditCardNumber

        default:

            guard #available(iOS 11.0, *) else {
                self = .unavailable
                return
            }

            switch type {

            case .password:
                self = .password

            case .username:
                self = .username

            default:

                guard #available(iOS 12.0, *) else {
                    self = .unavailable
                    return
                }

                switch type {

                case .newPassword:
                    self = .newPassword

                case .oneTimeCode:
                    self = .oneTimeCode

                default:
                    self = .unavailable
                }
            }
        }
    }
}

extension UITextField {

    var textContentSafeType: TextContentType {

        get {

            guard #available(iOS 10.0, *), let type = self.textContentType else { return .unavailable }

            return TextContentType(type: self.textContentType)
        }
        set {

            guard #available(iOS 10.0, *) else { return }

            self.textContentType = newValue.value
        }
    }

    func set(_ type: TextContentType, fallback: TextContentType) {

        self.textContentSafeType = type

        if self.textContentSafeType != type {
            self.textContentSafeType = fallback
        }
    }
}