using System;
using System.IO;

namespace Authorization.Tools
{
    public class Common
    {
        static object o = new object();
        public static void SaveToLicense(string msg, string adress, string dir_name)
        {
            System.IO.FileStream FS = null;
            System.IO.StreamWriter SW = null;
            lock (o)
            {
                try
                {
                    string startupPath = AppDomain.CurrentDomain.BaseDirectory;
                    string datefolder = Path.Combine(startupPath, dir_name, adress, DateTime.Now.ToString("yyyy-MM-dd"));
                    if (!Directory.Exists(datefolder))
                    {
                        try
                        {
                            Directory.CreateDirectory(datefolder);
                        }
                        catch (Exception)
                        {
                            throw;
                        }
                    }
                    string filepath = Path.Combine(startupPath, dir_name, adress, DateTime.Now.ToString("yyyy-MM-dd"), "license.cpy");
                    if (!File.Exists(filepath))
                    {
                        try
                        {
                            FS = File.Create(filepath);
                        }
                        catch (Exception)
                        {
                            throw;
                        }
                        finally
                        {
                            FS.Close();
                            FS.Dispose();
                        }
                        FS = new System.IO.FileStream(filepath, System.IO.FileMode.Append, System.IO.FileAccess.Write);
                    }
                    else
                    {
                        FS = new System.IO.FileStream(filepath, System.IO.FileMode.Create, System.IO.FileAccess.Write);
                    }

                    SW = new System.IO.StreamWriter(FS);
                    SW.Write(msg);
                    SW.Flush();
                }
                catch
                {
                    throw;
                }
                finally
                {
                    if (SW != null)
                    {
                        SW.Close();
                        SW.Dispose();
                    }
                    if (FS != null)
                    {
                        FS.Close();
                        FS.Dispose();
                    }
                }
            }
        }
    }
}