using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Linq;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using Lskj.AutoUpdate;
using System.IO;
using Lskj.Business;
using Lskj.Core;
using System.Diagnostics;
using System.Text.RegularExpressions;
using Lskj.Business.Impl;
using System.Drawing.Printing;
using Lskj.Util;

namespace Lskj.Control
{
    public partial class FrmSelectDownload : BaseForm
    {
        public string FileName = string.Empty;
        public string URL = string.Empty;
        public bool isBatchDownLoad = false;
        public bool isprompt = true;
        public bool isMultiple = false;//是否为忽略多选
        public bool isOpenvisble = false;//是否可以直接打开
        public string ModelId= string.Empty;//菜单名称
        public string MenuName = string.Empty;//右键名称
        public string MenuId = string.Empty;//菜单ID

        public string SavePath = string.Empty;//下载路径（浏览器dll，多次下载，记录第一次路径，后续外部拿到后在默认赋值）
        /// <summary>
        /// 右键多条下载是否显示
        /// </summary>
        public bool RightDisplay = true;

        /// <summary>
        /// 路径
        /// </summary>
        public string DownloadPath = string.Empty;

        public FrmSelectDownload()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 初始加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FrmSelectDownload_Load(object sender, EventArgs e)
        {
            try
            {
                if (!isBatchDownLoad && !isMultiple) this.Opacity = 100D;
                if (isOpenvisble) this.btnOpen.Visible = false;
                this.labUrl.EditText = URL;
                this.labName.EditText = FileName;
                string FOLDER_NAME = isBatchDownLoad ? ConstModel.Batch_FOLDER_NAME : ConstModel.TEMP_FOLDER_NAME;
                this.labAddress.EditText = Path.Combine(CommonUnitity.SystemBinUrl, FOLDER_NAME, FileName);//设置默认路径
                //上一次选中的地址
                string address=IniHelper.Read("LastSavedAddress");
                if (!string.IsNullOrWhiteSpace(address)) 
                {
                    this.labAddress.EditText = Path.Combine(address, FileName);//设置默认路径
                }


                if (isBatchDownLoad) this.btnDownload.PerformClick();
                if (isMultiple) this.btnDownload.PerformClick();
                if (SystemInfo.Instance.HiddenUrl) 
                {
                    this.labUrl.Visible = false;

                    this.btnPreview.Location = new Point(this.btnPreview.Location.X, this.labName.Location.Y-5);
                    this.labAddress.Location = new Point(this.labAddress.Location.X, this.labName.Location.Y);
                    this.labName.Location = new Point(this.labName.Location.X, this.labUrl.Location.Y);

                    this.groupBox1.Height = this.labAddress.Location.Y + 30;

                    this.btnOpen.Location = new Point(this.btnOpen.Location.X, this.groupBox1.Location.Y+ this.groupBox1.Height+5);
                    this.btnDownload.Location = new Point(this.btnDownload.Location.X, this.groupBox1.Location.Y + this.groupBox1.Height + 5);
                    this.btnClose.Location = new Point(this.btnClose.Location.X, this.groupBox1.Location.Y + this.groupBox1.Height + 5);

                    this.Height = this.btnClose.Location.Y + this.btnClose.Height + 40;
                }
            }
            catch (Exception ex)
            {

                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }
            Lskj.Control.Model.AutoSizeChange.ControllInitializeSize(this);
        }
        /// <summary>
        /// 点击预览筛选文件位置
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnPreview_Click(object sender, EventArgs e)
        {
            try
            {
                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 = labAddress.EditText = System.IO.Path.GetFullPath(saveFileDialog.FileName);//获得文件路径，含文件名
                    labName.EditText = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1);//获取文件名，不带路径
                    //记录保存的路径
                    IniHelper.Write("LastSavedAddress", localFilePath.Substring(0,localFilePath.LastIndexOf("\\")));
                }
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show("筛选文件位置出错！" + Message);
            }

        }
        /// <summary>
        /// 点击下载附件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnDownload_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrEmpty(labUrl.EditText))
                {
                    MessageUtil.Show("请填下载的地址！");
                    return;
                }
                if (string.IsNullOrEmpty(labName.EditText))
                {
                    MessageUtil.Show("请填写下载的文件名称！");
                    return;
                }
                if (string.IsNullOrEmpty(labAddress.EditText))
                {
                    MessageUtil.Show("请选择下载路径！");
                    return;
                }
                FrmDownload frm = new FrmDownload(labUrl.EditText, labName.EditText, labAddress.EditText,false, isprompt);
                frm.isBatchPrind = isBatchDownLoad;

                if (frm.ShowDialog() == DialogResult.OK)
                {
                    LogUtil.WriteDebug(ModelId, "执行下载", "右键编号:"+ MenuId + " ,右键名称："+ MenuName , "网址："+ labUrl.EditText + " ,下载名称：" + labName.EditText+ " ,下载路径："+ labAddress.EditText);
                    frm.Dispose();
                    if (isBatchDownLoad)
                    {
                        PrintFile(labAddress.EditText);
                        File.Delete(labAddress.EditText);
                    }
                    this.DialogResult = DialogResult.OK;
                    this.Close();
                }
            }
            catch (Exception ex)
            {
                this.Close();
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show("下载附件出错！" + Message);
            }
        }
        /// <summary>
        /// 直接打开下载附件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnOpen_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrEmpty(labUrl.EditText))
                {
                    MessageUtil.Show("请填下载的地址！");
                    return;
                }
                if (string.IsNullOrEmpty(labName.EditText))
                {
                    MessageUtil.Show("请填写下载的文件名称！");
                    return;
                }
                if (string.IsNullOrEmpty(labAddress.EditText))
                {
                    MessageUtil.Show("请选择下载路径！");
                    return;
                }
                FrmDownload frm = new FrmDownload(labUrl.EditText, labName.EditText, labAddress.EditText, true);
                if (frm.ShowDialog() == DialogResult.OK)
                {
                    this.Close();
                }
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show("直接打开下载附件出错！" + Message);
            }

        }
        /// <summary>
        /// 关闭下载界面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void PrintFile(string filePath)
        {
            bool isPic = false;//是否为图片
            Stream fs = null;
            Image img = null;
            try
            {
                fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
                img = Image.FromFile(filePath);
                isPic = true;
            }
            catch (Exception)
            {
                isPic = false;
            }
            finally
            {
                if (fs != null)
                    fs.Close();
                if (img != null)
                    img.Dispose();
            }
            if (isPic)
            {
                PrintDocument docToPrint = new PrintDocument();
                docToPrint.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(PicToPrint_PrintPage);
                docToPrint.DefaultPageSettings.PrinterSettings.DefaultPageSettings.PaperSize = new PaperSize { Width = 583, Height = 827, PaperName = "A5" };
                PrintDialog printDialog = new PrintDialog();
                printDialog.ShowDialog();
                docToPrint.Print();
            }
            else
            {
                if (Path.GetExtension(filePath).Equals(".doc", StringComparison.CurrentCultureIgnoreCase) || Path.GetExtension(filePath).Equals(".docx", StringComparison.CurrentCultureIgnoreCase))//word文档
                {
                    Spire.Doc.Document doc = new Spire.Doc.Document();
                    doc.LoadFromFile(filePath);
                    Spire.Doc.Section sec = doc.Sections[0];
                    sec.PageSetup.PageSize = Spire.Doc.Documents.PageSize.A5;
                    PrintDocument printDoc = doc.PrintDocument;
                    printDoc.Print();
                }
                else if (Path.GetExtension(filePath).Equals(".xls", StringComparison.CurrentCultureIgnoreCase) || Path.GetExtension(filePath).Equals(".xlsx", StringComparison.CurrentCultureIgnoreCase))//excel文档
                {
                    Spire.Xls.Workbook workbook = new Spire.Xls.Workbook();
                    workbook.LoadFromFile(filePath);
                    foreach (Spire.Xls.Worksheet worksheet in workbook.Worksheets)
                    {
                        worksheet.PageSetup.PaperSize = Spire.Xls.PaperSizeType.PaperA5;
                        worksheet.PageSetup.FitToPagesTall = 0;
                        worksheet.PageSetup.FitToPagesWide = 1;
                    }
                    PrintDocument printDoc = workbook.PrintDocument;
                    printDoc.Print();
                }
                else if (Path.GetExtension(filePath).Equals(".pdf", StringComparison.CurrentCultureIgnoreCase))
                {
                    Spire.Pdf.PdfDocument pdfDocument = new Spire.Pdf.PdfDocument();
                    pdfDocument.LoadFromFile(filePath);
                    pdfDocument.Print();
                }
                else if (Path.GetExtension(filePath).Equals(".txt", StringComparison.CurrentCultureIgnoreCase))
                {
                    Spire.Doc.Document doc = new Spire.Doc.Document();
                    doc.LoadFromFile(filePath);
                    Spire.Doc.Section sec = doc.Sections[0];
                    sec.PageSetup.PageSize = Spire.Doc.Documents.PageSize.A5;
                    PrintDocument printDoc = doc.PrintDocument;
                    printDoc.Print();
                }
            }
        }
        private void PicToPrint_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            if (!string.IsNullOrEmpty(this.labAddress.EditText))
            {
                //图片抗锯齿
                e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
                Stream fs = new FileStream(this.labAddress.EditText, FileMode.Open, FileAccess.Read);
                System.Drawing.Image i = System.Drawing.Image.FromStream(fs);//转换为 IMAGE
                fs.Close();
                Rectangle m = e.MarginBounds;
                if ((double)i.Width / (double)i.Height > (double)m.Width / (double)m.Height) // image is wider
                {
                    m.Height = (int)((double)i.Height / (double)i.Width * (double)m.Width);
                }
                else
                {
                    m.Width = (int)((double)i.Width / (double)i.Height * (double)m.Height);
                }
                e.Graphics.DrawImage(i, m);
                i.Dispose();
                e.HasMorePages = false;
            }
        }


        public void ClickDownload() 
        {
            try
            {
                if (string.IsNullOrEmpty(URL))
                {
                    MessageUtil.Show("请填下载的地址！");
                    return;
                }
                if (string.IsNullOrEmpty(FileName))
                {
                    MessageUtil.Show("请填写下载的文件名称！");
                    return;
                }
                if (string.IsNullOrEmpty(DownloadPath))
                {
                    MessageUtil.Show("请选择下载路径！");
                    return;
                }
                FrmDownload frm = new FrmDownload(URL, FileName, DownloadPath);
                frm.RightDisplay = RightDisplay;

                if (frm.ShowDialog() == DialogResult.OK)
                {
                    frm.Dispose();
                    if (isBatchDownLoad)
                    {
                        PrintFile(labAddress.EditText);
                        File.Delete(labAddress.EditText);
                    }
                    this.Close();
                }
            }
            catch (Exception ex)
            {
                this.Close();
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show("下载附件出错！" + Message);
            }
        }

    }
}