using Microsoft.AspNetCore.Mvc;
using SuperCms.Models;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using SuperCms.Controllers;
using Syncfusion.XlsIO;
using System.Text;

namespace SuperCms.Controllers
{
    public class RegistryController : BaseController
    {
        public async Task<IActionResult> IndexAsync(string txtThoigian, string txtLoaiPT, string cboTinh)
        {
            try
            {
                RegistryViewModel model = new RegistryViewModel();

                if (txtThoigian == null || txtLoaiPT == null || cboTinh == null)
                {
                    return View(model);
                }
                string endPoint = "http://app.vr.org.vn/ptpublic/quahankd.aspx";
                var client = new HttpClient();

                // get valid key
                WebRequest request = HttpWebRequest.Create(endPoint);
                WebResponse response1 = request.GetResponse();
                StreamReader reader = new StreamReader(response1.GetResponseStream());
                string responseText = reader.ReadToEnd();

                bool loop = true;
                int i = 0;
                var tableHTML = "";
                var table = "";
                string old = "";
                List<KeyValuePair<string, string>> data = new List<KeyValuePair<string, string>>();
                List<KeyValuePair<string, string>> dataOld = new List<KeyValuePair<string, string>>();

                while (loop)
                {
                    //if (i == 0)
                    //{
                    //    data.Add(new KeyValuePair<string, string>("__EVENTTARGET", ""));
                    //    data.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                    //    data.Add(new KeyValuePair<string, string>("cmdTraCuu", "Tra cứu"));
                    //}
                    //else
                    //{
                    //    data.Add(new KeyValuePair<string, string>("__EVENTTARGET", "DGTimPT$ctl54$ctl" + (i < 10 ? "0" + i.ToString() : i.ToString())));
                    //    data.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                    //}

                    using (var httpClient = new HttpClient())
                    {
                        if (i == 0)
                        {
                            List<KeyValuePair<string, string>> dataGet = UtilsController.ParseDataRequest(responseText);
                            dataGet.Add(new KeyValuePair<string, string>("cboTinh", cboTinh));
                            dataGet.Add(new KeyValuePair<string, string>("txtLoaiPT", txtLoaiPT));
                            dataGet.Add(new KeyValuePair<string, string>("txtThoigian", txtThoigian));
                            dataGet.Add(new KeyValuePair<string, string>("__EVENTTARGET", ""));
                            dataGet.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                            dataGet.Add(new KeyValuePair<string, string>("cmdTraCuu", "Tra cứu"));
                            data = dataGet;
                        }
                        else
                        {
                            dataOld.Add(new KeyValuePair<string, string>("__EVENTTARGET", "DGTimPT$ctl54$ctl" + (i < 10 ? "0" + i.ToString() : i.ToString())));
                            dataOld.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                            dataOld.Add(new KeyValuePair<string, string>("cboTinh", cboTinh));
                            dataOld.Add(new KeyValuePair<string, string>("txtLoaiPT", txtLoaiPT));
                            dataOld.Add(new KeyValuePair<string, string>("txtThoigian", txtThoigian));
                            data = dataOld;

                        }
                        using (var content = new FormUrlEncodedContent(data))
                        {
                            content.Headers.Clear();
                            content.Headers.Add("Content-Type", "application/x-www-form-urlencoded");

                            HttpResponseMessage response = await httpClient.PostAsync(endPoint, content);

                            var result = response.Content.ReadAsStringAsync().Result;
                            dataOld = UtilsController.ParseDataRequest(result);
                            if (old != null)
                            {
                                if (old.Length == result.Length)
                                {
                                    loop = false;
                                    continue;
                                }
                            }
                            old = result;

                            Regex regex1 = new Regex("<table cell[^>]*>[\\s\\S]*?<\\/table>", RegexOptions.IgnoreCase);
                            Match match1;
                            for (match1 = regex1.Match(result); match1.Success; match1 = match1.NextMatch())
                            {
                                var result2 = match1.Groups[0].Value;

                                Regex regex2 = new Regex("<tr[^>]*>[\\s\\S]*?<\\/tr>", RegexOptions.IgnoreCase);
                                Match match2;
                                int count = 0;
                                for (match2 = regex2.Match(result2); match2.Success; match2 = match2.NextMatch())
                                {
                                    if (count > 0)
                                    {
                                        if (!match2.Groups[0].Value.Contains("DGTimPT$ctl"))
                                        {
                                            var d = match2.Groups[0].Value;
                                            table = table + d;
                                        }
                                    }
                                    count++;
                                }
                            }
                        }
                    }
                    i++;
                }

                //tableHTML = "<html>" + "<body>" +
                //    "<table cellspacing=\"0\" width=\"500\" style=\"table-layout:fixed; border-collapse:collapse; width: 500pt\">" +
                //    @"<tr><td> Số TT </td>
                //    <td> Biển đăng ký</td>
                //    <td> Ngày đăng ký</td>
                //    <td> Nhãn hiệu </td>
                //    <td> Chủ phương tiên</td>
                //    <td> Địa chỉ </td>
                //    <td> Ngày kiểm định</td>
                //    <td> Đơn vị KĐ</td>
                //    <td> Số GCN KĐ</td>
                //    <td> Thời hạn GCN</td>
                //    </tr>" +
                //    table +
                //    @"</table>" +
                //    "</body></html>";

                //String tableHTMLNew = tableHTML.Replace("&", "&amp;");
                //MemoryStream ms = new MemoryStream();
                //using (ExcelEngine excelEngine = new ExcelEngine())
                //{

                //    // Step 2 : Instantiate the Excel application object.
                //    IApplication application = excelEngine.Excel;
                //    application.DefaultVersion = ExcelVersion.Excel2016;

                //    // A workbook is created.
                //    IWorkbook workbook = application.Workbooks.Create(1);

                //    // The first worksheet object in the worksheets collection is accessed.
                //    IWorksheet worksheet = workbook.Worksheets[0];

                //    byte[] byteArray = Encoding.UTF8.GetBytes(tableHTMLNew);

                //    MemoryStream file = new MemoryStream(byteArray);

                //    // Imports HTML table into the worksheet from first row and first column.
                //    worksheet.ImportHtmlTable(file, 1, 1);

                //    worksheet.UsedRange.AutofitColumns();
                //    worksheet.UsedRange.AutofitRows();

                //    workbook.SaveAs(ms);
                //    ms.Position = 0;
                //}
                //return File(ms, "Application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "Export-HTML-Table.xlsx");

                model.table = table;

                return View(model);
            }
            catch (Exception ex)
            {
                return Redirect("/Home");
            }
        }


        public async Task<IActionResult> GetDataAsync(string txtThoigian, string txtLoaiPT, string cboTinh)
        {
            try
            {
                string endPoint = "http://app.vr.org.vn/ptpublic/quahankd.aspx";
                var client = new HttpClient();

                // get valid key
                WebRequest request = HttpWebRequest.Create(endPoint);
                WebResponse response1 = request.GetResponse();
                StreamReader reader = new StreamReader(response1.GetResponseStream());
                string responseText = reader.ReadToEnd();

                bool loop = true;
                int i = 0;
                var tableHTML = "";
                var table = "";
                string old = "";
                List<KeyValuePair<string, string>> data = new List<KeyValuePair<string, string>>();
                List<KeyValuePair<string, string>> dataOld = new List<KeyValuePair<string, string>>();

                while (loop)
                {
                    //if (i == 0)
                    //{
                    //    data.Add(new KeyValuePair<string, string>("__EVENTTARGET", ""));
                    //    data.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                    //    data.Add(new KeyValuePair<string, string>("cmdTraCuu", "Tra cứu"));
                    //}
                    //else
                    //{
                    //    data.Add(new KeyValuePair<string, string>("__EVENTTARGET", "DGTimPT$ctl54$ctl" + (i < 10 ? "0" + i.ToString() : i.ToString())));
                    //    data.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                    //}

                    using (var httpClient = new HttpClient())
                    {
                        if (i == 0)
                        {
                            List<KeyValuePair<string, string>> dataGet = UtilsController.ParseDataRequest(responseText);
                            dataGet.Add(new KeyValuePair<string, string>("cboTinh", cboTinh));
                            dataGet.Add(new KeyValuePair<string, string>("txtLoaiPT", txtLoaiPT));
                            dataGet.Add(new KeyValuePair<string, string>("txtThoigian", txtThoigian));
                            dataGet.Add(new KeyValuePair<string, string>("__EVENTTARGET", ""));
                            dataGet.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                            dataGet.Add(new KeyValuePair<string, string>("cmdTraCuu", "Tra cứu"));
                            data = dataGet;
                        }
                        else
                        {
                            dataOld.Add(new KeyValuePair<string, string>("__EVENTTARGET", "DGTimPT$ctl54$ctl" + (i < 10 ? "0" + i.ToString() : i.ToString())));
                            dataOld.Add(new KeyValuePair<string, string>("__EVENTARGUMENT", ""));
                            dataOld.Add(new KeyValuePair<string, string>("cboTinh", cboTinh));
                            dataOld.Add(new KeyValuePair<string, string>("txtLoaiPT", txtLoaiPT));
                            dataOld.Add(new KeyValuePair<string, string>("txtThoigian", txtThoigian));
                            data = dataOld;

                        }
                        using (var content = new FormUrlEncodedContent(data))
                        {
                            content.Headers.Clear();
                            content.Headers.Add("Content-Type", "application/x-www-form-urlencoded");

                            HttpResponseMessage response = await httpClient.PostAsync(endPoint, content);

                            var result = response.Content.ReadAsStringAsync().Result;
                            dataOld = UtilsController.ParseDataRequest(result);
                            if (old != null)
                            {
                                if (old.Length == result.Length)
                                {
                                    loop = false;
                                    continue;
                                }
                            }
                            old = result;

                            Regex regex1 = new Regex("<table cell[^>]*>[\\s\\S]*?<\\/table>", RegexOptions.IgnoreCase);
                            Match match1;
                            for (match1 = regex1.Match(result); match1.Success; match1 = match1.NextMatch())
                            {
                                var result2 = match1.Groups[0].Value;

                                Regex regex2 = new Regex("<tr[^>]*>[\\s\\S]*?<\\/tr>", RegexOptions.IgnoreCase);
                                Match match2;
                                int count = 0;
                                for (match2 = regex2.Match(result2); match2.Success; match2 = match2.NextMatch())
                                {
                                    if (count > 0)
                                    {
                                        if (!match2.Groups[0].Value.Contains("DGTimPT$ctl"))
                                        {
                                            var d = match2.Groups[0].Value;
                                            table = table + d;
                                        }
                                    }
                                    count++;
                                }
                            }
                        }
                    }
                    i++;
                }

                //tableHTML = "<html>" + "<body>" +
                //    "<table cellspacing=\"0\" width=\"500\" style=\"table-layout:fixed; border-collapse:collapse; width: 500pt\">" +
                //    @"<tr><td> Số TT </td>
                //    <td> Biển đăng ký</td>
                //    <td> Ngày đăng ký</td>
                //    <td> Nhãn hiệu </td>
                //    <td> Chủ phương tiên</td>
                //    <td> Địa chỉ </td>
                //    <td> Ngày kiểm định</td>
                //    <td> Đơn vị KĐ</td>
                //    <td> Số GCN KĐ</td>
                //    <td> Thời hạn GCN</td>
                //    </tr>" +
                //    table +
                //    @"</table>" +
                //    "</body></html>";

                //String tableHTMLNew = tableHTML.Replace("&", "&amp;");
                //MemoryStream ms = new MemoryStream();
                //using (ExcelEngine excelEngine = new ExcelEngine())
                //{

                //    // Step 2 : Instantiate the Excel application object.
                //    IApplication application = excelEngine.Excel;
                //    application.DefaultVersion = ExcelVersion.Excel2016;

                //    // A workbook is created.
                //    IWorkbook workbook = application.Workbooks.Create(1);

                //    // The first worksheet object in the worksheets collection is accessed.
                //    IWorksheet worksheet = workbook.Worksheets[0];

                //    byte[] byteArray = Encoding.UTF8.GetBytes(tableHTMLNew);

                //    MemoryStream file = new MemoryStream(byteArray);

                //    // Imports HTML table into the worksheet from first row and first column.
                //    worksheet.ImportHtmlTable(file, 1, 1);

                //    worksheet.UsedRange.AutofitColumns();
                //    worksheet.UsedRange.AutofitRows();

                //    workbook.SaveAs(ms);
                //    ms.Position = 0;
                //}
                //return File(ms, "Application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "Export-HTML-Table.xlsx");
                RegistryViewModel model = new RegistryViewModel();
                model.table = tableHTML;

                return RedirectToAction("/Index", model);
            }
            catch (Exception ex)
            {
                return Redirect("/Home");
            }
        }

    }
}