using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Windows.Forms;

namespace FileWatcher
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            FileWatcher.Path = @"D:\";
            FileWatcher.Filter = "*.jdf";
            FileWatcher.EnableRaisingEvents = true;
            FileWatcher.Created += new FileSystemEventHandler(Watcher_Created);

            string path = Application.ExecutablePath;
            RegistryKey rk = Registry.LocalMachine;
            RegistryKey rk2 = rk.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run");
            rk2.SetValue("FileWatcher.exe", path);
            rk2.Close();
            rk.Close();
        }

        private void Watcher_Created(object sender, FileSystemEventArgs e)
        {
            using (var process = new Process())
            {
                if (!e.FullPath.Contains("RECYCLE"))
                {
                    string FullName = e.FullPath;
                    process.StartInfo.Arguments = @"D:\FileWatcher\DTS-JDFData2Excel.exe " + FullName;
                    string Filename = FullName.Substring(FullName.LastIndexOf(@"\") + 1).Split('.')[0];
                    string StartPath = FullName.Substring(0, FullName.LastIndexOf(@"\") + 1);
                    if (File.Exists(FullName))
                    {
                        richTextBox1.AppendText(DateTime.Now.ToString("yyyy/MM/dd h:mm:ss.fff") + e.FullPath + "\n");
                    }
                    else
                    {
                        richTextBox1.AppendText("不存在文件" + FullName + "\n");
                    }
                    //不存在同名的文件则进行转换
                    if (!File.Exists(StartPath + Filename + ".xls") && File.Exists(FullName))
                    {
                        process.StartInfo.FileName = @"D:\FileWatcher\DTS-JDFData2Excel.exe";
                        process.StartInfo.UseShellExecute = false;
                        process.StartInfo.RedirectStandardInput = true;
                        process.StartInfo.RedirectStandardOutput = true;
                        process.StartInfo.RedirectStandardError = true;
                        process.StartInfo.CreateNoWindow = true;

                        process.Start();
                        process.StandardInput.AutoFlush = true;
                        process.StandardInput.WriteLine("exit");
                        //获取cmd窗口的输出信息  
                        string output = process.StandardOutput.ReadToEnd();

                        process.WaitForExit();
                        process.Close();
                    }
                }
            }
        }

        /// <summary>
        /// 私有变量
        /// </summary>
        private List<FileInfo> lst = new List<FileInfo>();
        /// <summary>
        /// 获得目录下所有文件或指定文件类型文件(包含所有子文件夹)
        /// </summary>
        /// <param name="path">文件夹路径</param>
        /// <param name="extName">扩展名可以多个 例如 .mp3.wma.rm</param>
        /// <returns>List<FileInfo></returns>
        public List<FileInfo> getFile(string path, string extName)
        {
            getdir(path, extName);
            return lst;
        }
        /// <summary>
        /// 私有方法,递归获取指定类型文件,包含子文件夹
        /// </summary>
        /// <param name="path"></param>
        /// <param name="extName"></param>
        private void getdir(string path, string extName)
        {
            try
            {
                string[] dir = Directory.GetDirectories(path); //文件夹列表   
                DirectoryInfo fdir = new DirectoryInfo(path);
                FileInfo[] file = fdir.GetFiles();
                //FileInfo[] file = Directory.GetFiles(path); //文件列表   
                if (file.Length != 0 || dir.Length != 0) //当前目录文件或文件夹不为空                   
                {
                    foreach (FileInfo f in file) //显示当前目录所有文件   
                    {
                        if (f.Attributes.ToString().IndexOf("Hidden") > -1 && f.Attributes.ToString().IndexOf("System") > -1)
                        {

                        }
                        else
                        {
                            if (extName.ToLower().IndexOf(f.Extension.ToLower()) >= 0)
                            {
                                lst.Add(f);
                            }
                        }
                    }
                    foreach (string d in dir)
                    {
                        if (d.Contains("PROB"))
                            getdir(d, extName);//递归   
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
    }
}