using System.IO;
namespace DataCheck
{
    public class dataCheck
    {
        public dataCheck()
        {
            menu_check();
            news_check();
        }
        private void menu_check()
        {
            string menuPath = @"\\SVR01\foods";
            string menuPath_local = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "foods");

            if (!Directory.Exists(menuPath_local))
            {
                Directory.CreateDirectory(menuPath_local);
            }
            var serverFiles = Directory.GetFiles(menuPath, "*.jpg")
                                       .Select(f => new FileInfo(f))
                                       .ToDictionary(f => f.Name, f => f);

            var localFiles = Directory.GetFiles(menuPath_local, "*.jpg")
                                      .Select(f => new FileInfo(f))
                                      .ToDictionary(f => f.Name, f => f);
            foreach (var serverFile in serverFiles)
                {
                    bool needsCopy = false;
                    string localFilePath = Path.Combine(menuPath_local, serverFile.Key);
                    if (!localFiles.ContainsKey(serverFile.Key))
                    {
                        needsCopy = true;
                    }
                    else
                    {
                        var localFile = localFiles[serverFile.Key];
                        if (serverFile.Value.LastWriteTime > localFile.LastWriteTime)
                        {
                            needsCopy = true;
                        }
                    }

                    if (needsCopy)
                    {
                        try
                        {
                            File.Copy(serverFile.Value.FullName, localFilePath, true);
                            Console.WriteLine($"更新菜單: {serverFile.Key}");
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine($"複製菜單失敗 {serverFile.Key}: {ex.Message}");
                        }
                    }
                }
                // 3-2. 清除本地有但伺服器已經沒有的檔案
                foreach (var localFile in localFiles)
                {
                    if (!serverFiles.ContainsKey(localFile.Key))
                    {
                        try
                        {
                            File.Delete(localFile.Value.FullName);
                            Console.WriteLine($"刪除本地多餘菜單: {localFile.Key}");
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine($"刪除菜單失敗 {localFile.Key}: {ex.Message}");
                        }
                    }
                }
        }
        private void news_check()
        {
            string newsPath = @"\\SVR01\news";
            string newsPath_local = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "news");

            if (!Directory.Exists(newsPath_local))
            {
                Directory.CreateDirectory(newsPath_local);
            }
            var serverFiles = Directory.GetFiles(newsPath, "*.jpg")
                                       .Select(f => new FileInfo(f))
                                       .ToDictionary(f => f.Name, f => f);

            var localFiles = Directory.GetFiles(newsPath_local, "*.jpg")
                                      .Select(f => new FileInfo(f))
                                      .ToDictionary(f => f.Name, f => f);
            foreach (var serverFile in serverFiles)
                {
                    bool needsCopy = false;
                    string localFilePath = Path.Combine(newsPath_local, serverFile.Key);
                    if (!localFiles.ContainsKey(serverFile.Key))
                    {
                        needsCopy = true;
                    }
                    else
                    {
                        var localFile = localFiles[serverFile.Key];
                        if (serverFile.Value.LastWriteTime > localFile.LastWriteTime)
                        {
                            needsCopy = true;
                        }
                    }

                    if (needsCopy)
                    {
                        try
                        {
                            File.Copy(serverFile.Value.FullName, localFilePath, true);
                            Console.WriteLine($"更新新聞: {serverFile.Key}");
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine($"複製新聞失敗 {serverFile.Key}: {ex.Message}");
                        }
                    }
                }
                // 3-2. 清除本地有但伺服器已經沒有的檔案
                foreach (var localFile in localFiles)
                {
                    if (!serverFiles.ContainsKey(localFile.Key))
                    {
                        try
                        {
                            File.Delete(localFile.Value.FullName);
                            Console.WriteLine($"刪除本地多餘新聞: {localFile.Key}");
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine($"刪除新聞失敗 {localFile.Key}: {ex.Message}");
                        }
                    }
                }

        }

    }
}