//
//  Link.swift
//  HTMLStandard
//
//  Generated on 09/23/2025. 
//  THIS FILE IS GENERATED. DO NOT EDIT.
//
import Foundation

/// <link> Link metadata
public class Link : HTMLNode, IFlow, IMetaData, IPhrasing {

    public enum Crossorigin : String, CaseIterable {

        case anonymous
        case useCredentials = "use-credentials"

        public init?(rawValue: Substring) {
            guard
                let value = Self.allCases.first(where: { $0.rawValue == rawValue })
            else
                { return nil }
            
            self = value
        }
        
        public init(expect: Substring) throws {
            guard
                let value = Self.allCases.first(where: { $0.rawValue == expect })
            else
                { throw AppError("Unexpected value for Crossorigin: \(expect)") }
            
            self = value
        }
        
        public init(expect: String) throws {
            guard let result = Crossorigin(rawValue: expect) else {
                throw AppError("Unexpected value for Crossorigin: \(expect)")
            }
            self = result
        }
        
        static func parseList(_ value:String?, _ separator:String = " ") throws -> [Crossorigin] {
            guard let value = value else { return [] }
            var iterator = value.componentsIterator(separatedBy: separator)
            let result = try iterator.map { input in
                return try expect(Crossorigin(rawValue: input), "unexpected value for Crossorigin: \(input)")
            }
            return result
        }
    }

    /// Potential destination for a preload request (for rel="preload" and rel="modulepreload"). Potential destination, for rel="preload"; script-like destination, for rel="modulepreload".
    public var as_:String? = nil

    /// How the element handles crossorigin requests.
    public var crossorigin:Crossorigin? = nil

    /// Address of the hyperlink. Valid non-empty URL potentially surrounded by spaces.
    public var href:URL? = nil

    /// Language of the linked resource. Valid BCP 47 language tag.
    public var hreflang:String? = nil

    /// Image sizes for different page layouts. Valid source size list.
    public var imagesizes:[String] = []

    /// Images to use in different situations (e.g., high-resolution displays, small monitors, etc.). Comma-separated list of image candidate strings.
    public var imagesrcset:[String] = []

    /// Integrity metadata used in Subresource Integrity checks [SRI].
    public var integrity:String? = nil

    /// Applicable media. Valid media query list.
    public var media:String? = nil

    /// Referrer policy for fetches initiated by the element. Referrer policy.
    public var referrerpolicy:ReferrerPolicy? = nil

    /// Relationship between the document containing the hyperlink and the destination resource. Unordered set of unique space-separated tokens. The actual rules are more complicated than indicated.
    public var rel:[String] = []

    /// Sizes of the icons (for rel="icon"). Unordered set of unique space-separated tokens, ASCII case-insensitive, consisting of sizes. The actual rules are more complicated than indicated.
    public var sizes:[String] = []

    ///  Title of the link or CSS style sheet set name. Text or Text
    public var title:String? = nil

    /// Hint for the type of the referenced resource. Valid MIME type string.
    public var type:String? = nil


    public init(_ attributes:[String:String], _ parser:XMLParser? = nil) throws {
        var globalAttr = GlobalAttributesBuilder()
        for (key, attValue) in attributes {
            switch (key) {
                case "as":
                    as_ = attValue
                    continue
                case "crossorigin":
                    crossorigin = try Crossorigin(expect: attValue)
                    continue
                case "href":
                    href = try URL(expect: attValue)
                    continue
                case "hreflang":
                    hreflang = attValue
                    continue
                case "imagesizes":
                    imagesizes = try String.parseList(attValue, ",")
                    continue
                case "imagesrcset":
                    imagesrcset = try String.parseList(attValue, ",")
                    continue
                case "integrity":
                    integrity = attValue
                    continue
                case "media":
                    media = attValue
                    continue
                case "referrerpolicy":
                    referrerpolicy = try ReferrerPolicy(expect: attValue)
                    continue
                case "rel":
                    rel = try String.parseList(attValue, " ")
                    continue
                case "sizes":
                    sizes = try String.parseList(attValue, " ")
                    continue
                case "title":
                    title = attValue
                    continue
                case "type":
                    type = attValue
                    continue

                default: break
            }
            if globalAttr.trySetGlobalAttribute(key, attValue) {
                continue
            }
            continue
        }
        super.init(globalAttr)
    }


     public override func renderAttributes() -> String {
         var result = super.renderAttributes()
         if let as_ = as_ {
             result += " as='\(as_)'"
         }
         if let crossorigin = crossorigin {
             result += " crossorigin='\(crossorigin.rawValue)'"
         }
         if let href = href {
             result += " href='\(href.absoluteString)'"
         }
         if let hreflang = hreflang {
             result += " hreflang='\(hreflang)'"
         }
         result += " imagesizes='\(imagesizes.toStringList(","))'"
         result += " imagesrcset='\(imagesrcset.toStringList(","))'"
         if let integrity = integrity {
             result += " integrity='\(integrity)'"
         }
         if let media = media {
             result += " media='\(media)'"
         }
         if let referrerpolicy = referrerpolicy {
             result += " referrerpolicy='\(referrerpolicy.rawValue)'"
         }
         result += " rel='\(rel.toStringList(" "))'"
         result += " sizes='\(sizes.toStringList(" "))'"
         if let title = title {
             result += " title='\(title)'"
         }
         if let type = type {
             result += " type='\(type)'"
         }

         
         return result
     }
     
     override var nodeName: String {
         return "link"
     }
     
     override var isVoidElement: Bool {
         return true
     }
}