using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Syncfusion.DocIO.DLS;
using Syncfusion.Presentation;
using Syncfusion.XlsIO;

namespace DOCGEN.Klassen
{
    public class SyncFPowerPoint
    {
        public bool create_nativ(string property, string value, string base64, string originalfile, string destfile)
        {
            FileStream ms = new FileStream(originalfile, FileMode.Open, FileAccess.Read);
            //FileStream os = new FileStream(destfile, FileMode.Create);
            IPresentation pptxDoc = Presentation.Open(originalfile);
            try
            {
                pptxDoc.CustomDocumentProperties.Add(property);
                pptxDoc.CustomDocumentProperties[property].Value = value;
            }
            catch
            {
                pptxDoc.CustomDocumentProperties.Add(property);
                pptxDoc.CustomDocumentProperties[property].Value = value;

            }
            try
            {
                ITextSelection[] textSelections = pptxDoc.FindAll("{"+property+"}", false, false);
                foreach (ITextSelection textSelection in textSelections)
                {
                   
                    ITextPart textPart = textSelection.GetAsOneTextPart();
                  
                    textPart.Text = value;
                }
            }
            catch { }

            ms.Close();
            ms.Dispose();
            pptxDoc.Save(destfile);
            
            //os.Close();
            //os.Dispose();
            return true;

        }
    }
}