using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;

namespace SHARP_CLAS_UI
{
    public class Position_Info_Manager
    {
        #region Define
        string str_extension = ".xml";
        #endregion

        #region Property
        private static readonly Lazy<Position_Info_Manager> _instatnce = new Lazy<Position_Info_Manager>(() => new Position_Info_Manager());

        public static Position_Info_Manager Instance
        {
            get
            {
                return _instatnce.Value;
            }
        }
        #endregion

        #region Field
        private Dictionary<string, Position_Info> Recipes;

        private Xml_Manager<Position_Info> xml_manager = new Xml_Manager<Position_Info>();

        private string file_path;
        #endregion

        #region Construct
        public Position_Info_Manager()
        {
            Recipes = new Dictionary<string, Position_Info>();
            Get_Position_infos();
        }
        #endregion

        #region Function
        private void Get_File_Path()
        {
            RegistryKey rkk = Registry.CurrentUser.OpenSubKey(Equipment.Registry_Path, true);

            try
            {
                if (rkk == null)
                {
                    rkk = Registry.CurrentUser.CreateSubKey(Equipment.Registry_Path);

                    rkk.SetValue("POSITION_PARAMETER_PATH", @"C:\SHARP_CLAS\Config\POSITION_PARAMETER\");
                    file_path = @"C:\SHARP_CLAS\Config\POSITION_PARAMETER\";
                }
                else
                {
                    object value = rkk.GetValue("POSITION_PARAMETER_PATH");
                    if (value == null)
                    {
                        rkk.SetValue("POSITION_PARAMETER_PATH", @"C:\SHARP_CLAS\Config\POSITION_PARAMETER\");
                        file_path = @"C:\SHARP_CLAS\Config\POSITION_PARAMETER\";
                    }
                    else
                    {
                        file_path = value.ToString();
                    }
                }
            }
            finally
            {
                rkk.Close();
            }
        }

        private void Get_Position_infos()
        {
            Get_File_Path();

            Recipes.Clear();

            if (Directory.Exists(file_path))
            {
                DirectoryInfo di = new DirectoryInfo(file_path);
                FileInfo[] recipes = di.GetFiles($"*{str_extension}");

                foreach (FileInfo recipe in recipes)
                {
                    Position_Info position_info = new Position_Info();

                    if (xml_manager.Try_Read_File(file_path + recipe, out position_info))
                    {
                        //if (Recipes.ContainsKey(position_info.Name))
                        //{
                        //    Recipes[position_info.Name] = position_info;
                        //}
                        //else
                        //{
                        //    Recipes.Add(position_info.Name, position_info);
                        //}
                    }
                }
            }
        }
        #endregion
    }
}