using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;

namespace FindHongliPdf
{
    class Program
    {
        static void Main(string[] args)
        {
            FindPdf();
        }
        /// <summary>
        /// 尋找匹配名稱的pdf
        /// </summary>
        public static void FindPdf()
        {
            string storagePath = @"\\10.10.129.77\巨潮下載測試\2017\20171130\新建資料夾\";
            string path = @"C:\Users\qingping.li\Desktop\公司文件";
            string pattern = ".*權益.*實施.*|.*分紅.*|.*派息.*|.*轉增.*|.*利潤分.*實施.*|.*紅.*分配.*";
            //獲取所有檔案
            DirectoryInfo Info = new DirectoryInfo(path);
            //獲得目錄下的所有資料夾（操作資料夾）
            DirectoryInfo[] dirInfoArray = Info.GetDirectories();
            //開始複製
            ErgodicDir(dirInfoArray, storagePath, pattern);
        }
        /// <summary>
        /// 遍歷資料夾
        /// </summary>
        /// <param name="dirInfoArray"></param>
        public static void ErgodicDir(DirectoryInfo[] dirInfoArray, string storagePath, string pattern)
        {

            //遍歷資料夾
            foreach (DirectoryInfo item in dirInfoArray)
            {
                //有單獨的檔案，就先複製檔案
                CopyFile(item, storagePath, pattern);
                //如果有資料夾，繼續遍歷
                if (item.GetDirectories().Length > 0)
                    ErgodicDir(item.GetDirectories(), storagePath, pattern);//繼續掃描資料夾
                else
                    CopyFile(item, storagePath, pattern); //只有檔案
            }
        }
        /// <summary>
        /// 複製檔案
        /// </summary>
        /// <param name="item"></param>
        public static void CopyFile(DirectoryInfo item, string storagePath, string pattern)
        {

            if (item.GetFiles().Length > 0)
            {
                foreach (FileInfo file in item.GetFiles())
                {
                    if (file.Extension == ".pdf")
                    {
                        //匹配要掃描的檔名稱

                        if (Regex.IsMatch(file.Name, pattern))
                            if (!File.Exists(storagePath + file.Name))
                                File.Copy(file.FullName, storagePath + file.Name);
                    }
                    Console.WriteLine(file.FullName);
                }
            }
        }
    }
}