using System.Collections.Generic;
using System.Xml;
using Common;
using Config.Entities;
using Config.Resources;
using NHibernate;

namespace TBF.Rig.Output.Printers.GroupPrinting.Single
{
    public class GroupPrinterUtils
    {
        public static ISession GetCorrespondedEntities(in IList<Component> cmpntEntities, in List<string> itemsToPrint)
        {
            ISession session = TBF.DB.CreateSession(DBKind.Config);
            IList<Component> cmpntEntitiesAll = session.QueryOver<Component>()
                .OrderBy(x => x.ItemNr).Asc
                .List<Component>();

            cmpntEntities?.Clear();

            List<PrinterDef> printerDefs = new List<PrinterDef>();
            if (itemsToPrint != null && itemsToPrint.Count > 0)
            {
                foreach (string printer in itemsToPrint)
                {
                    printerDefs.Add(PrinterDef.fromString(printer));
                }
            }

            if (printerDefs.Count > 0)
            {
                foreach (PrinterDef printerDef in printerDefs)
                {
                    foreach (var component in cmpntEntitiesAll)
                    {
                        if (printerDef.Equals(PrinterDef.fromComponent(component)))
                        {
                            cmpntEntities.Add(component);
                        }
                    }
                }
            }

            return session;
        }

        public static string[] GetExpandedGroupPrinters(string[] printers)
        {
            List<string> allPrinters = new List<string>();

            ISession session = TBF.DB.CreateSession(DBKind.Config);
            IList<Component> cmpntEntitiesAll = session.QueryOver<Component>()
                .OrderBy(x => x.ItemNr).Asc
                .List<Component>();

            string groupPrinterClassName = new Factory().ClassName;

            foreach (string printer in printers)
            {
                foreach (var component in cmpntEntitiesAll)
                {
                    if (printer.Equals(component.Name))
                    {
                        if (component.ClassName.Equals(groupPrinterClassName))
                        {
                            List<PrinterDef> printersDef = PrinterDef.fromParametersString(component.Parameters);
                            foreach (PrinterDef printerDef in printersDef)
                            {
                                allPrinters.Add(printerDef.Name);
                            }
                        }
                        else
                        {
                            allPrinters.Add(printer);
                        }
                    }
                }
            }
            return allPrinters.ToArray();
        }
        
        public static void UpdateParametersInEntitys(ISession session, IList<Component> cmpntEntities,string definedPrinter)
        {
            
            {
                using (var transaction = session.BeginTransaction())
                {
                    foreach (Component printerItem in cmpntEntities)
                    {
                        XmlDocument xmlDocument = new XmlDocument();
                        xmlDocument.LoadXml(printerItem.Parameters);
                        XmlNodeList printerCfg = xmlDocument.GetElementsByTagName("PrinterName");

                        foreach (XmlNode itemNode in printerCfg)
                        {
                            itemNode.InnerText = definedPrinter;
                        }

                        printerItem.Parameters = xmlDocument.OuterXml;


                        session.SaveOrUpdate(printerItem); /// Save user 'admin'

                    }
                    transaction.Commit();
                }
            }

            
        }
    }
}