using System.IO;
using ComplianceNFs.Core.Entities;
using ComplianceNFs.Core.Ports;

namespace ComplianceNFs.Infrastructure.Parsers
{
    // Placeholder: fill in actual XML parsing logic
    public class XmlParser : IXmlParser
    {
        public ParsedInvoice Parse(Stream xmlStream)
        {
            // Use System.Xml to parse known elements
            var doc = new System.Xml.XmlDocument();
            doc.Load(xmlStream);
            var invoice = new ParsedInvoice
            {
                CnpjComp = doc.SelectSingleNode("//CNPJComp")?.InnerText,
                CnpjVend = doc.SelectSingleNode("//CNPJVend")?.InnerText,
                MontNF = decimal.TryParse(doc.SelectSingleNode("//MontNF")?.InnerText, out var mont) ? mont : 0,
                PrecNF = decimal.TryParse(doc.SelectSingleNode("//PrecNF")?.InnerText, out var prec) ? prec : 0,
                ValorSemImpostos = decimal.TryParse(doc.SelectSingleNode("//ValorSemImpostos")?.InnerText, out var vsi) ? vsi : 0,
                ValorFinalComImpostos = decimal.TryParse(doc.SelectSingleNode("//ValorFinalComImpostos")?.InnerText, out var vfi) ? vfi : 0,
                RsComp = doc.SelectSingleNode("//RsComp")?.InnerText,
                RsVend = doc.SelectSingleNode("//RsVend")?.InnerText,
                NumeroNF = doc.SelectSingleNode("//NumeroNF")?.InnerText,
                IcmsNF = decimal.TryParse(doc.SelectSingleNode("//IcmsNF")?.InnerText, out var icms) ? icms : 0,
                UfComp = doc.SelectSingleNode("//UfComp")?.InnerText,
                UfVend = doc.SelectSingleNode("//UfVend")?.InnerText
            };
            return invoice;
        }
    }
}