using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Datalib.DatabaseSpecific;
using Datalib.EntityClasses;
using Datalib.FactoryClasses;
using Datalib.HelperClasses;
using System.IO;
using Datalib.Linq;
using System.Linq;
using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Validation;
using OpenXmlPowerTools;
using System.Xml.Linq;

namespace Omega.Forms
{
    public partial class frmQuestionImport : Omega.BasicForms.frmCommon
    {
        public string filename { get; set; }
        public frmQuestionImport()
        {
            InitializeComponent();
        }

        private void SaveToDB_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            string source = this.filename;

            List<Source> sources = new List<Source>();
                     
            WmlDocument InputDoc = new WmlDocument(source);

            OpenXmlMemoryStreamDocument InputStream = new OpenXmlMemoryStreamDocument(InputDoc);
            WordprocessingDocument InputwDoc = InputStream.GetWordprocessingDocument();
            XDocument InputxDoc = InputwDoc.MainDocumentPart.GetXDocument();
            List<XElement> tbls = InputxDoc.Descendants(W.tbl).Where(m => m.Parent.Name.ToString().Contains("body")).ToList();
            List<TblQuestionEntity> quesions = new List<TblQuestionEntity>();
            this.progressPanel.Visible = true;
            foreach( var tbl in tbls)
            {
                string QuestionID =  Guid.NewGuid().ToString("N");

                string SubjectID = "";
                string Level = "";
                string Difficulty = "";
                string FieldID = "";
                string QuestionCode = "";
                TblQuestionEntity question = new TblQuestionEntity(QuestionID);
                question.QuestionId = QuestionID;
                question.CreateDate = DateTime.Today;
                // Get Question Content
                var CellContent = tbl.Elements(W.tr).ToList()[0].Elements(W.tc).FirstOrDefault().Elements().Where(ce => ce.Name != W.tcPr).ToList();
                var Summary = tbl.Elements(W.tr).ToList()[0].Elements(W.tc).FirstOrDefault().Value.ToString();
             //  MessageBox.Show(Summary);              
                WmlDocument modify = new WmlDocument(InputDoc);
                OpenXmlMemoryStreamDocument modifystream = new OpenXmlMemoryStreamDocument(modify);
                WordprocessingDocument modifywDoc = modifystream.GetWordprocessingDocument();
                XDocument modifyxDoc = modifywDoc.MainDocumentPart.GetXDocument();
                modifyxDoc.Descendants(W.body).First().ReplaceNodes(CellContent);
                modifywDoc.MainDocumentPart.PutXDocument();
                sources.Clear();
                sources.Add(new Source(modifystream.GetModifiedWmlDocument(), true));
                WmlDocument finalDocument = DocumentBuilder.BuildDocument(sources);

                string base64 = Convert.ToBase64String(finalDocument.DocumentByteArray);
                byte[] bytes = Convert.FromBase64String(base64);
                question.Content = base64;
                question.Summary = Summary;
                //Get Content of Answer

                CellContent = tbl.Elements(W.tr).ToList()[1].Elements(W.tc).FirstOrDefault().Elements().Where(ce => ce.Name != W.tcPr).ToList();
                modify = new WmlDocument(InputDoc);
                modifystream = new OpenXmlMemoryStreamDocument(modify);
                modifywDoc = modifystream.GetWordprocessingDocument();
                modifyxDoc = modifywDoc.MainDocumentPart.GetXDocument();
                modifyxDoc.Descendants(W.body).First().ReplaceNodes(CellContent);
                modifywDoc.MainDocumentPart.PutXDocument();
                sources.Clear();
                sources.Add(new Source(modifystream.GetModifiedWmlDocument(), true));
                finalDocument = DocumentBuilder.BuildDocument(sources);
                base64 = Convert.ToBase64String(finalDocument.DocumentByteArray);
                bytes = Convert.FromBase64String(base64);
                question.Answer = base64;

                //Get Content of Explaination

                CellContent = tbl.Elements(W.tr).ToList()[2].Elements(W.tc).FirstOrDefault().Elements().Where(ce => ce.Name != W.tcPr).ToList();
                modify = new WmlDocument(InputDoc);
                modifystream = new OpenXmlMemoryStreamDocument(modify);
                modifywDoc = modifystream.GetWordprocessingDocument();
                modifyxDoc = modifywDoc.MainDocumentPart.GetXDocument();
                modifyxDoc.Descendants(W.body).First().ReplaceNodes(CellContent);
                modifywDoc.MainDocumentPart.PutXDocument();
                sources.Clear();
                sources.Add(new Source(modifystream.GetModifiedWmlDocument(), true));
                finalDocument = DocumentBuilder.BuildDocument(sources);
                base64 = Convert.ToBase64String(finalDocument.DocumentByteArray);
                bytes = Convert.FromBase64String(base64);
                question.Explaination = base64;

                //Get Content of Subject ID, Level, Field ....

                string Code = tbl.Elements(W.tr).ToList()[3].Elements(W.tc).FirstOrDefault().Value.ToString();
                string[] Codes = Code.Split(new char[] { ';' });
                QuestionCode = Codes[0].Split(new char[] { '=' })[1];
                SubjectID = Codes[1].Split(new char[]{'='})[1];
                FieldID = (Codes[2].Split(new char[] { '=' })[1]);
                Level = (Codes[3].Split(new char[] { '=' })[1]);
                Difficulty = (Codes[4].Split(new char[] { '=' })[1]);

                question.SubjectId= SubjectID.Trim();
                question.FieldId = FieldID.Trim();
                question.Level = Level.Trim();
                question.Difficulty = Difficulty.Trim();
                question.QuestionCode = QuestionCode.Trim();
                adapter.SaveEntity(question,true,true);
                quesions.Add(question);
            }
            grdResult.DataSource = quesions;
            this.Tabs.SelectedTabPageIndex = 1;
            this.progressPanel.Visible = false;
        }

        private void Open_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                this.filename = openFileDialog.FileName;
                byte[] buff = File.ReadAllBytes(filename);
                this.richEditControl.OpenXmlBytes = buff;

            }
        }
       

      
        }

      
    }