using CommonLib;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Web;
using System.Windows.Forms;
using Xilium.CefGlue;


namespace Lskj.MyControl.BrowserSetting
{
    public class BsDownloadHandler : CefDownloadHandler
    {
        public bool isfirstDownLoad = true;
        protected override void OnBeforeDownload(CefBrowser browser, CefDownloadItem downloadItem, string suggestedName, CefBeforeDownloadCallback callback)
        {

            //callback.Continue(string.Empty, true);
            try
            {

                string tipMsg = string.Empty; int vsNum = 0;
                if (string.IsNullOrWhiteSpace(downloadItem.SuggestedFileName))
                {
                    browser.GetHost().CloseBrowser();
                    return;
                }
                string szFilename = downloadItem.Url.Substring(downloadItem.Url.LastIndexOf('/') + 1);//简单处理文件名，实际中还需要单独处理，这里有BUG
                string SzFileName = HttpUtility.UrlDecode(szFilename);
                string[] szName = SzFileName.Split('/');
                string fileTitle = szName[szName.Length - 1];
                //downfile(e.Url, e.Filename, tempPath);
                if (fileTitle.Contains("?")) fileTitle = fileTitle.Substring(0, fileTitle.LastIndexOf('?'));
                DataRow rowItem = GetTempletFile(fileTitle);
                string topname = downloadItem.SuggestedFileName.Substring(0, downloadItem.SuggestedFileName.LastIndexOf(".") - 1);
                bool isMultipleLoad = downloadItem.Url.Contains("downLoadTemp") && Regex.IsMatch(topname, @"^[+-]?\d*[.]?\d*$");
                if (downloadItem.Url.StartsWith("blob"))
                {
                    Download(downloadItem.Url, fileTitle);
                    return;
                }
                else if (rowItem != null || isMultipleLoad)
                {
                    try
                    {
                        bool success = rowItem != null ? CheckAttachOperation(2, "", Convert.ToInt32(rowItem["fileId"]), "", 0, out tipMsg) == 1 : isMultipleLoad;
                        if (success)
                        {
                            Download(downloadItem.Url, fileTitle);
                            return;
                        }
                        else
                        {
                            MessageBox.Show(tipMsg);
                            //MessageUtil.Show(tipMsg);
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show("下载失败！\r\n" + ex.Message);
                        //MessageUtil.Show("下载失败！\r\n" + ex.Message);
                    }
                }
                else
                {
                    MessageBox.Show("未找到下载项");
                }
                //browser.GetHost().CloseBrowser();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

        }
        protected override void OnDownloadUpdated(CefBrowser browser, CefDownloadItem downloadItem, CefDownloadItemCallback callback)
        {

            //if (downloadItem.IsComplete)
            //{
            //    MessageBox.Show("下载成功");
            //    if (browser.IsPopup && !browser.HasDocument)
            //    {
            //        //browser.GetHost().ParentWindowWillClose();
            //        browser.GetHost().CloseBrowser();
            //    }
            //}
            //downloadItem.IsComplete

            //if (downloadItem.IsComplete) { 
            //    string tipMsg = string.Empty; int vsNum = 0;
            //    DataRow rowItem = AttachImpl.GetTempletFile(downloadItem.SuggestedFileName);
            //    string topname = downloadItem.SuggestedFileName.Substring(0, downloadItem.SuggestedFileName.LastIndexOf(".") - 1);
            //    bool isMultipleLoad = downloadItem.Url.Contains("downLoadTemp") && Regex.IsMatch(topname, @"^[+-]?\d*[.]?\d*$");
            //    if (rowItem != null || isMultipleLoad)
            //    {
            //        try
            //        {
            //            bool success = rowItem != null ? AttachImpl.CheckAttachOperation(2, "", Convert.ToInt32(rowItem["fileId"]), "", 0, out tipMsg) == 1 : isMultipleLoad;
            //            if (success)
            //            {
            //                string szFilename = downloadItem.Url.Substring(downloadItem.Url.LastIndexOf('/') + 1);//简单处理文件名，实际中还需要单独处理，这里有BUG

            //                string SzFileName = HttpUtility.UrlDecode(szFilename);
            //                string[] szName = SzFileName.Split('/');
            //                //downfile(e.Url, e.Filename, tempPath);
            //                Download(downloadItem.Url, szName[szName.Length - 1]);
            //                return;
            //            }
            //            else
            //            {
            //                MessageUtil.Show(tipMsg);
            //            }
            //        }
            //        catch (Exception ex)
            //        {
            //            MessageUtil.Show("下载失败！\r\n" + ex.Message);
            //        }
            //    }
            //    else
            //    {
            //        MessageUtil.Show("未找到下载项");
            //    }
            //    //browser.GetHost().CloseBrowser();
            //}
        }
        /// <summary>
        /// <para>说明：定义服务器文件地址，含文件名。客户端接收地址及文件名由客户端自行定义</para>
        /// <para>创建人：王一帆</para>
        /// <para>创建日期： </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="URL">The URL.</param>
        /// <param name="FileName">Name of the file.</param>
        public static void Download(string URL, string FileName)
        {
            FrmSelectDownload frmSelectDownload = new FrmSelectDownload();
            frmSelectDownload.URL = URL;
            frmSelectDownload.FileName = FileName;
            frmSelectDownload.Show();
            //SaveFileDialog saveFileDialog = new SaveFileDialog();
            //saveFileDialog.FileName = FileName;
            //saveFileDialog.Title = "下载模板文件到";
            //saveFileDialog.RestoreDirectory = true;
            ////点了保存按钮进入
            //if (saveFileDialog.ShowDialog() == DialogResult.OK)
            //{
            //    string localFilePath = System.IO.Path.GetFullPath(saveFileDialog.FileName);//获得文件路径，含文件名
            //    string fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1);//获取文件名，不带路径
            //    string FilePath = localFilePath.Substring(0, localFilePath.LastIndexOf("\\"));//获取文件路径，不带文件名
            //    FrmDownload frm = new FrmDownload(URL, FileName, localFilePath);
            //    frm.Show();
            //}
        }


        /// <summary>
        /// <para>说明：根据附件名字获取附件</para>
        /// <para>创建人：王一帆</para>
        /// <para>创建日期：2019-12-13 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>DataTable.</returns>
        public static DataRow GetTempletFile(string sName)
        {
            string sqlValue = "select * from P_fm_FileTab where sName=@sName";
            DataTable dt = SqlHelper.ExecuteDataTable(sqlValue, new SqlParameter[] { new SqlParameter("@sName", sName) });
            return dt.Rows.Count > 0 ? dt.Rows[0] : null;
        }



        /// <summary>
        /// <para>说明：</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-01-17 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="operType">1=上传，2=下载，3=删除,4=锁定，5=解除锁定 必填</param>
        /// <param name="speciesNo">The species no.</param>
        /// <param name="fileId">The file id.</param>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="fileSize">Size of the field.</param>
        /// <param name="tipMsg">返回提示信息</param>
        /// <returns>System.Int32.</returns>
        /// <exception cref="System.NotImplementedException"></exception>
        public static int CheckAttachOperation(int operType, string speciesNo, int fileId, string fileName, int fileSize, out string tipMsg)
        {
            try
            {
                SqlParameter pMsg = new SqlParameter("@msg", SqlDbType.VarChar, 2000);
                pMsg.Direction = ParameterDirection.Output;
                SqlParameter returnValue = new SqlParameter("@return", SqlDbType.Int, 4);
                returnValue.Direction = ParameterDirection.ReturnValue;
                SqlParameter[] param =
                {
                    new SqlParameter("@opertype",SqlDbType.Int),
                    new SqlParameter("@operatorid",SqlDbType.Int),
                    new SqlParameter("@operatorname",SqlDbType.VarChar,50),
                    new SqlParameter("@fileSpecisNo",SqlDbType.VarChar,50),
                    new SqlParameter("@fileid",SqlDbType.Int),
                    new SqlParameter("@filename",SqlDbType.VarChar,200),
                    new SqlParameter("@filesize",SqlDbType.Int),
                    pMsg,
                    returnValue
                };

                param[0].Value = operType;
                param[1].Value = ERPInfo.Instance.EmployeeId;
                param[2].Value = ERPInfo.Instance.EmployeeName;
                param[3].Value = speciesNo;
                param[4].Value = fileId;
                param[5].Value = fileName;
                param[6].Value = fileSize;
                DataSet ds = SqlHelper.ExecuteDataSet(CommandType.StoredProcedure, "p_SystemAttachOperation", "attach", param);

                tipMsg = pMsg.Value + "";
                return Convert.ToInt32(returnValue.Value + "");
            }
            catch (Exception)
            {
            }

            tipMsg = string.Empty;
            return 1;
        }


    }
}