using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Remoting.Messaging;
using System.Text;
using System.Threading.Tasks;
using edoka_dms;
using Model;
using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using Syncfusion.Pdf.Parsing;


namespace Versandstrasse
{
    public class clsVersandstrasse
    {
        public void Lic()
        {
            string lickey = "MzYzODg2NkAzMjM4MmUzMDJlMzBTOWljRmxNelA1d1VGOHpGR0lxQzB6UTAwKzIxK2VBNEhBZFp5alcxb1NVPQ==";
            Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense(lickey);
        }
        public string Prepare_PDF(string dokumentid, string tempdir, string connectionstring)
        {
            Lic();
            OnDocOffice.OfficeToPDF officeToPDF = new OnDocOffice.OfficeToPDF();
            clsdok dok = new clsdok("", "", "", "");
            dok.dokument = officeToPDF.word_to_pdf(dokumentid, connectionstring, tempdir);


            var stream = new MemoryStream(Convert.FromBase64String(dok.dokument));

            PdfLoadedDocument loadedDocument = new PdfLoadedDocument(stream);

            Database.DB db = new Database.DB(connectionstring);
            db.clear_parameter();
            db.add_parameter("@dokumentid", dokumentid);
            db.Get_Tabledata("ondoc_get_versandstrasse_parameter", true, false);

            int logo = 0;
            int color = 0;
            int left = 0;
            int top = 0;
            string pages = "";

            logo = Convert.ToInt32(db.dsdaten.Tables[0].Rows[0]["logo"]);
            color = Convert.ToInt32(db.dsdaten.Tables[0].Rows[0]["logocolor"]);
            left = Convert.ToInt32(db.dsdaten.Tables[0].Rows[0]["logoleft"]);
            top = Convert.ToInt32(db.dsdaten.Tables[0].Rows[0]["logocolor"]);
            pages = db.dsdaten.Tables[0].Rows[0]["pages"].ToString();


            if (logo == 1)
            {
                Add_Logo(ref loadedDocument, color, left, top, pages);
            }
            if (loadedDocument.Pages.Count % 2 == 0)
            {
            }
            else
            {
                Add_EmptyPage(ref loadedDocument);
            }

            MemoryStream outputStream = new MemoryStream();
            loadedDocument.Save(outputStream);
            byte[] bytes;
            bytes = outputStream.ToArray();
            dok.dokument = Convert.ToBase64String(bytes);
            return dok.dokument;
        }

        private void Replace_Text(ref PdfLoadedDocument document, string texttoreplace, string newtext)
        {
            PdfLoadedPage loadedPage = document.Pages[0] as PdfLoadedPage;
            PdfFont font = new PdfTrueTypeFont(new Font("Futura Book", 9));
            Dictionary<int, List<RectangleF>> matchedTextbounds = new Dictionary<int, List<RectangleF>>();
            document.FindText(texttoreplace, out matchedTextbounds);

            for (int i = 0; i < matchedTextbounds.Count; i++)

            {
                loadedPage = (PdfLoadedPage)document.Pages[i];
                foreach (RectangleF rectangle in matchedTextbounds[i])
                {
                    loadedPage.Graphics.DrawRectangle(PdfBrushes.White, rectangle);
                    loadedPage.Graphics.DrawString(newtext, font, PdfBrushes.Black, rectangle.X - 2, rectangle.Y - 2);
                }
            }
        }

        private void Add_Logo(ref PdfLoadedDocument document, int color, int left, int top, string pages)
        {
            string imagefile = "";
            imagefile = @"E:\Software-Projekte\OnDoc\Images\tkb_logo_ohne_claim_4c_c.jpg";
            if (color == 0) { imagefile = @"E:\Software-Projekte\OnDoc\Images\tkb_logo_ohne_claim_sw.jpg"; }
            PdfBitmap image = new PdfBitmap(imagefile);

            if (pages=="0") { return; }
            if (pages == "All")
            {
                for (int i = 0; i < document.Pages.Count; i++)
                {
                    PdfLoadedPage loadedPage = document.Pages[i] as PdfLoadedPage;
                    PdfGraphics graphics = loadedPage.Graphics;
                    graphics.DrawImage(image, 85, 30);

                }
            }
            else
            {


                int docpages = document.Pages.Count;
                string[] page = pages.Split(';');

                foreach (var p in page)
                {
                    int pageno = Convert.ToInt32(p) - 1;
                    PdfLoadedPage loadedPage = document.Pages[pageno] as PdfLoadedPage;
                    PdfGraphics graphics = loadedPage.Graphics;
                    graphics.DrawImage(image, 85, 30);
                }
            }


        }
        private void Add_EmptyPage(ref PdfLoadedDocument document)
        {
            document.Pages.Add();
        }


    }
}