using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace EFCDesk.HelpersXml
{
    public static class XmlHelper
    {
        public static string Value(XElement? parent, XName elementName)
            => parent?.Element(elementName)?.Value?.Trim() ?? string.Empty;

        public static string Value(XElement? parent, string elementName)
            => parent?.Element(elementName)?.Value?.Trim() ?? string.Empty;

        public static decimal? Decimal(XElement parent, XName elementName)
        {
            var value = Value(parent, elementName);
            if (decimal.TryParse(value, out var result))
                return result;

            return null;
        }

        public static List<XElement> Elements(XElement? parent, XName elementName)
           => parent?.Elements(elementName)?.ToList() ?? new List<XElement>();
    }
}