using BeWo.Data.Access;
using BeWo.Data.Entities;
using BS.Shared;
using BS.Shared.DataContracts;
using DevExpress.XtraRichEdit;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media.Imaging;

namespace BeWo.Service.Dokumentverwaltung
{
    public class PlaceholderManager
    {
        
        public virtual List<PlatzhalterDC> GetPlatzhalter()
        {
            return null;
        }

        public virtual string ReplacePlaceholdersInTemplate(DokumentvorlageDC template, long? objectOid, TableID tid)
        {
            //Nur für abgeleitete Klassen
            return null;
        }

        public virtual void ReplacePlaceholderInText(RichEditDocumentServer rtfServer, PlatzhalterDC ph, Object obj)
        {
            if (!String.IsNullOrEmpty(ph.Platzhalter))
            {
                String platzhalter = String.Format("[{0}]", ph.Platzhalter);

                String platzhalterWert = GetPlaceholderValue(ph, obj);

                //var doc = rtfServer.Document as DevExpress.XtraRichEdit.API.Native.Implementation.NativeDocument;
                
                //var list = rtfServer.Document.FindAll("blablubb", DevExpress.XtraRichEdit.API.Native.SearchOptions.None);
                if (platzhalterWert == null)
                {
                    platzhalterWert = String.Empty;
                }
                foreach (var shape in rtfServer.Document.Shapes)
                {
                    var subdoc = shape.ShapeFormat?.TextBox?.Document;
                    if (subdoc != null)
                    {
                        subdoc.ReplaceAll(platzhalter, platzhalterWert, DevExpress.XtraRichEdit.API.Native.SearchOptions.CaseSensitive);
                    }
                    
                    
                }
                //var list = rtfServer.MailMerge( sd.FindAll(platzhalter1, DevExpress.XtraRichEdit.API.Native.SearchOptions.CaseSensitive);

                rtfServer.Document.ReplaceAll(platzhalter, platzhalterWert, DevExpress.XtraRichEdit.API.Native.SearchOptions.CaseSensitive);
                //sd.ReplaceAll(platzhalter1, GetPlaceholderValue(ph, obj), DevExpress.XtraRichEdit.API.Native.SearchOptions.CaseSensitive);
                //if (text.Contains(platzhalter1))
                //{
                //    int test = 0;
                //}

                //if (text.Contains(platzhalter1) || text.Contains(platzhalter2) || text.Contains(platzhalter3))
                //{
                //    return text.Replace(ph.Platzhalter, GetPlaceholderValue(ph, obj));
                //}
            }
        }

        public virtual String GetPlaceholderValue(PlatzhalterDC ph, Object obj)
        {
            if (!String.IsNullOrEmpty(ph.FieldName))
            {
                var returnObj = GetPlaceholderValue(ph.FieldName, obj);
                if (returnObj != null)
                {
                    if (!String.IsNullOrEmpty(ph.Format))
                    {

                        return String.Format("{0:" + ph.Format + "}", returnObj);
                    }
                    return returnObj.ToString();
                }
            }
            else
            {
                int test = 0;
            }
            return "";
        }

        public virtual Object GetPlaceholderValue(String fieldName, Object obj)
        {
            var names = fieldName.Split('.');

            if (names.Length > 0)
            {
                var name = names[0];

                var prop = obj.GetType().GetProperty(names[0]);
                
                if (prop != null)
                {
                    Object newObj = prop.GetValue(obj);


                    if (names.Length > 1 && newObj != null)
                    {
                        String newFieldname = "";

                        for (int i = 1; i < names.Length; i++)
                        {
                            if (newFieldname.Length > 0)
                            {
                                newFieldname += ".";
                            }
                            newFieldname += names[i];
                        }

                        return GetPlaceholderValue(newFieldname, newObj);
                    }
                    if (newObj != null)
                    {
                        return newObj;
                    }
                    
                }
            }
            


            return null;
        }

        public virtual Object GetEntityObject(long oid)
        {
            return null;
        }

    }
}