using System;
using System.Buffers.Text;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Model;
using Syncfusion.DocIO.DLS;
using Syncfusion.XlsIO;
using Syncfusion.XlsIO.Implementation.XmlSerialization;
using System.Globalization;

namespace DOCGEN.Klassen
{
    public class SyncFExcel
    {
        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);
            ExcelEngine ex = new ExcelEngine();
            IApplication application = ex.Excel;
            IWorkbook workbook = application.Workbooks.Open(ms);

            try
            {
                workbook.CustomDocumentProperties[property].Text = value;
            }
            catch
            {
                workbook.CustomDocumentProperties.Remove(property);
                workbook.CustomDocumentProperties[property].Text = value;

            }
            workbook.Replace("{" + property + "}", value);
            //workbook.Names[workbook.CustomDocumentProperties[property].Name].RefersToRange.Text= workbook.CustomDocumentProperties[property].Text;
            workbook.SaveAs(os);
            workbook.Close();
            workbook = null;
            application = null;
            ms.Close();
            ms.Dispose();
            os.Close();
            os.Dispose();
            return true;

        }

        public string Generate_Excel(string base64, clsDocData docdata, string apptype)
        {
            ExcelEngine ex = new ExcelEngine();
            IApplication app = ex.Excel;
            MemoryStream ms = new MemoryStream(Helper.EncodeExtensions.DecodeBase642ByteArray(base64));
            IWorkbook workBook = app.Workbooks.Open(ms, ExcelOpenType.Automatic);
            
            foreach (clsDocValue dv in docdata.DocValues)
            {
                foreach (IWorksheet worksheet in workBook.Worksheets)
                {
                    if (dv.FieldName == "TGEDKNameInhaber")
                    {
                        var a = 0;
                    }
                    try
                    {

                        worksheet.Range[dv.FieldName].Text = dv.Value.ToString();
                    }
                    catch { }

                    //foreach (IName name in worksheet.Names)
                    //{

                    //    name.Value = dv.Value.ToString();
                    //    Debug.Print(name.Value);
                    //}
                }

            }
            if (docdata.Barcode == true)
            {
                Insert_Barcode(workBook, docdata);
            }

            MemoryStream destms = new MemoryStream();
            if (apptype == "XLTM")
            {
                workBook.SaveAs(destms, ExcelSaveType.SaveAsMacroTemplate);
            } else
            {
                workBook.SaveAs(destms);
            }

            workBook.Close();
            workBook = null;
            ex.Dispose();

            byte[] imageArray = destms.ToArray();

            if (docdata.Result_as_PDF == "True")
            {
                DocGet getdoc = new DocGet("");
                string destdoc = "";
                destdoc = getdoc.Convert_Word_To_PDF(Convert.ToBase64String(imageArray));
                return destdoc;
            }

            return Convert.ToBase64String(imageArray);

        }

        public void get_values(ref System.Data.DataTable dt, string excelfile)
        {
            ExcelEngine ex = new ExcelEngine();
            IApplication app = ex.Excel;
            MemoryStream ms = new MemoryStream(Helper.EncodeExtensions.DecodeBase642ByteArray(excelfile));
            IWorkbook workBook = app.Workbooks.Open(ms, ExcelOpenType.Automatic);
            foreach (System.Data.DataRow dr in dt.Rows)
            {
                int row = 0;
                int col = 0;
                row = Convert.ToInt32(dr["rowindex"]);
                col = Convert.ToInt32(dr["columnindex"]);

                string value = workBook.Worksheets[Convert.ToInt32(dr["sheet"]) - 1].Range[row, col].DisplayText.ToString();
                dr["value"] = value;
            }
            workBook.Close();
            workBook = null;
            ex.Dispose();

        }
        public void Insert_Barcode(IWorkbook workBook, clsDocData docData)
        {
            System.Drawing.Image barcodeimage;
            BarcodeLib.Barcode Barcode = new BarcodeLib.Barcode();
            switch (docData.barcode_type)
            {
                case "0":
                    int rotation = 0;
                    if (docData.barcode_horizontal == 0) { rotation = 270; }
                    barcodeimage = Barcode.Get_LinerBarcode(Barcoded.Symbology.I2of5, docData.Dokumentid.Substring(6, 16), docData.Dokumentid.Substring(6, 16) + docData.barcode_zusatz, docData.barcode_textposition, docData.Zusatz_Font, Convert.ToInt32(docData.Zusatz_FontSize), rotation);
                    break;
                case "1":

                    //barcodeimage = Barcode.Get_Datamatrix(DataMatrix.net.DmtxScheme.DmtxSchemeAutoBest, docData.barcode_content, 4, 0, 0, "Left", docData.barcode_content, docData.barcode_font, docData.barcode_fontsize);

                    barcodeimage = Barcode.Get_Datamatrix(DataMatrix.net.DmtxScheme.DmtxSchemeAscii, docData.barcode_content, 6, 6, 0, "Right", docData.barcode_text + docData.barcode_zusatz, docData.barcode_font, docData.barcode_fontsize + 5);
                    //barcodeimage.Save(@"x:\bctest.png");
                    break;
                default:
                    barcodeimage = Barcode.Get_LinerBarcode(Barcoded.Symbology.I2of5C, docData.Dokumentid.Substring(9, 13), docData.Dokumentid.Substring(6, 16) + docData.barcode_zusatz, docData.barcode_textposition, docData.barcode_font, Convert.ToInt32(docData.barcode_fontsize), 0);
                    break;
            }
            foreach (IWorksheet worksheet in workBook.Worksheets)
            {
                foreach (IName name in workBook.Names)
                {
                    if (name.Name.ToString().ToUpper().Contains("TGEDKBC"))
                    {

                        int i = name.Index;
                        int row = worksheet.Range[name.Name].Row;
                        int col = worksheet.Range[name.Name].Column;

                        string barcode = Bar25I(docData.Dokumentid.Substring(6, 16));
                        worksheet.Range[name.Name].Value= barcode;
                        //worksheet.Range[dv.FieldName].Text = dv.Value.ToString();
                        //IPictureShape picture = worksheet.Pictures.AddPicture(row, col, barcodeimage);
                    }

                }
            }

            //            System.Drawing.Im
        }

        public bool IsNumeric(string value)
        {
            return value.All(char.IsNumber);
        }
        public string Bar25I(string BarTextIn)
        {
            string Bar25IRet = default;
            string BarTextOut = "";
            string TempString = "";
            long CharValue = 0;
            string barcodeout = "";
            // Initialize input and output strings
            BarTextOut = "";
            BarTextIn = BarTextIn.Trim();

            // Throw away non-numeric data
            TempString = "";
            for (int II = 1, loopTo = BarTextIn.Length; II <= loopTo; II++)
            {
                if (IsNumeric(BarTextIn.Substring(II - 1, 1)))
                {
                    TempString = TempString + BarTextIn.Substring(II - 1, 1);
                }
            }

            // If not an even number of digits, add a leading 0
            if (TempString.Length % 2 == 1)
            {
                TempString = "0" + TempString;
            }

            // Break digit pairs up and convert to characters- build output string
            for (int II = 1, loopTo1 = TempString.Length; II <= loopTo1; II += 2)
            {
                // Break string into pairs of digits and get value
                CharValue = Convert.ToInt32(TempString.Substring(II - 1, 2));
                // translate value to ASCII and save in BarTextOut
                if (CharValue < 90)
                {
                    BarTextOut = BarTextOut + (char)(CharValue + 33);
                }
                else
                {
                    BarTextOut = BarTextOut + (char)(CharValue + 71);
                }
            }

            // Build ouput string, trailing space for Windows rasterization bug
            barcodeout = "{" + BarTextOut + "} ";

            // Return the string
            Bar25IRet = barcodeout;
            return Bar25IRet;
        }


    }

}