using Core.Mes.Client.Comm.Control;
using Core.Mes.Client.Comm.Server;
using System;
using System.Collections.Generic;
using System.IO;
using System.Windows.Forms;
using System.Windows.Xps.Packaging;
using Forms = System.Windows.Forms;
using Office = Core.Mes.Client.Comm.Office;


namespace Core.StlMes.Client.Qcm
{
    public partial class FrmFilePreview : Form
    {
        private Core.Mes.Client.Comm.WPF.DocumentViewer documentViewer1;
        private System.Windows.Forms.Integration.ElementHost elementHost1;
        private string filePath;

        public string FilePath
        {
            get { return filePath; }
            set { filePath = value; }
        }

        public FrmFilePreview()
        {
            InitializeComponent();

        }

        private void LoadData()
        {
            string str = filePath.Substring(filePath.LastIndexOf("."));
            if (str.Contains("xps") || str.Contains("doc") || str.Contains("docx") || str.Contains("txt"))
            {
                pictureBox1.Visible = false;
                documentViewer1 = new Core.Mes.Client.Comm.WPF.DocumentViewer();
                elementHost1 = new System.Windows.Forms.Integration.ElementHost();

                this.elementHost1.Dock = System.Windows.Forms.DockStyle.Fill;
                this.elementHost1.Location = new System.Drawing.Point(0, 0);
                this.elementHost1.Name = "elementHost1";
                this.elementHost1.Size = new System.Drawing.Size(552, 413);
                this.elementHost1.TabIndex = 5;
                this.elementHost1.Text = "elementHost1";
                this.elementHost1.Child = this.documentViewer1;

                this.panel1.Controls.Add(elementHost1);
            }
        }
        private void FrmFilePreview_Load(object sender, EventArgs e)
        {
            LoadData();
            string str = filePath.Substring(filePath.LastIndexOf("."));
            if (str.Contains("xps") || str.Contains("doc") || str.Contains("docx") || str.Contains("txt"))
            {
                this.WindowState = FormWindowState.Maximized;
                FileWatch();
            }
            else
                PictureWatch();
        }

        private void PictureWatch()
        {
            string pathName = "PhyRStd/" + this.FilePath;
            FileBean bean = null;

            List<FileBean> list = Core.Mes.Client.Comm.Server.FileHelper.Download(pathName);
            if (list.Count > 0)
                bean = list[0];
            if (bean != null)
                PictureBoxHelper.LoadThumbnailImage(bean.getFile(), pictureBox1);

        }
        private void FileWatch()
        {
            string pathName = "PhyRStd/" + this.FilePath;
            FileBean bean = null;
            string filename = "";
            List<FileBean> list = Core.Mes.Client.Comm.Server.FileHelper.Download(pathName);
            if (list.Count > 0)
                bean = list[0];
            if (bean != null)
                filename = ByteConvertWord(bean.getFile(), this.FilePath.Substring(0, FilePath.LastIndexOf(".")));
            this.FilePath = filename;
            DocumentPreview();
        }

        private void DocumentPreview()
        {
            string fileName = this.FilePath;
            if (!string.IsNullOrEmpty(fileName))
            {
                XpsDocument document = null;
                if (fileName.Substring(fileName.LastIndexOf(".")).Contains("xps"))
                {
                    //显示xps文档
                    document = new XpsDocument(fileName, FileAccess.Read);
                    documentViewer1.Viewer.Document = document.GetFixedDocumentSequence();
                }
                else
                {
                    //显示word文档
                    string tempPath = Forms.Application.StartupPath + @"\detectTemp";//xps缓存文件路径
                    if (!Directory.Exists(tempPath))
                    {
                        Directory.CreateDirectory(tempPath);
                    }
                    //word先转换xps再显示
                    document = Office.DocumentViewerHelper.ConvertWordToXps(fileName, tempPath + @"\temp.xps");
                    documentViewer1.Viewer.Document = document.GetFixedDocumentSequence();

                }
                //关闭流
                document.Close();
            }
        }


        /// <summary>
        /// 二进制转化为Word
        /// </summary>
        /// <param name="data">二进制数组</param>
        /// <param name="fileName">文件名</param>
        /// <returns>word存放的位置</returns>

        public string ByteConvertWord(byte[] data, string fileName)
        {
            string savePath = @"\SystemWord\" + FormatNowTime(2) + @"\";

            if (!System.IO.Directory.Exists(GetPath() + savePath))
            {
                Directory.CreateDirectory(GetPath() + savePath);
            }

            savePath += fileName + ".doc";
            string filePath = GetPath() + savePath;

            FileStream fs;

            if (System.IO.File.Exists(filePath))
            {
                fs = new FileStream(filePath, FileMode.Truncate);
            }
            else
            {
                fs = new FileStream(filePath, FileMode.CreateNew);
            }

            BinaryWriter br = new BinaryWriter(fs);
            br.Write(data, 0, data.Length);
            br.Close();
            fs.Close();
            return filePath;
        }

        /// <summary>
        ///项目所在目录
        /// </summary>
        /// <returns></returns>

        public string GetPath()
        {
            return Forms.Application.StartupPath;
        }


        /// <summary>

        ///格式化当前时间:

        /// 1:yyMMddHHmmss; 2:yyyy-MM\dd\

        /// </summary>

        /// <returns></returns>

        public string FormatNowTime(int num)
        {
            if (num == 1)
            {
                return DateTime.Now.ToString("yyMMddHHmmss");
            }
            else if (num == 2)
            {
                return DateTime.Now.ToString("yyyy-MM") + @"\" + DateTime.Now.Day;
            }
            return "";
        }


    }
}