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

/// <meta> Text metadata
public class Meta : HTMLNode, IFlow, IMetaData, IPhrasing {

    public enum Charset : String, CaseIterable {

        case utf8 = "utf-8"

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

    public enum Http_equiv : String, CaseIterable {

        case contentSecurityPolicy = "content-security-policy"
        case contentType = "content-type"
        case defaultStyle = "default-style"
        case refresh
        case xUaCompatible = "x-ua-compatible"

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

    /// Character encoding declaration.
    public var charset:Charset? = nil

    /// Value of the element. Text. The actual rules are more complicated than indicated.
    public var content:String? = nil

    /// Pragma directive.
    public var http_equiv:Http_equiv? = nil

    /// Metadata name. Text. The actual rules are more complicated than indicated.
    public var name:String? = nil


    public init(_ attributes:[String:String], _ parser:XMLParser? = nil) throws {
        var globalAttr = GlobalAttributesBuilder()
        for (key, attValue) in attributes {
            switch (key) {
                case "charset":
                    charset = try Charset(expect: attValue)
                    continue
                case "content":
                    content = attValue
                    continue
                case "http-equiv":
                    http_equiv = try Http_equiv(expect: attValue)
                    continue
                case "name":
                    name = attValue
                    continue

                default: break
            }
            if globalAttr.trySetGlobalAttribute(key, attValue) {
                continue
            }
            throw AppError("Unexpected attribute: \(key)")
        }
        super.init(globalAttr)
    }


     public override func renderAttributes() -> String {
         var result = super.renderAttributes()
         if let charset = charset {
             result += " charset='\(charset.rawValue)'"
         }
         if let content = content {
             result += " content='\(content)'"
         }
         if let http_equiv = http_equiv {
             result += " http-equiv='\(http_equiv.rawValue)'"
         }
         if let name = name {
             result += " name='\(name)'"
         }

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