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


namespace SHARP_CLAS_UI
{
    public class Equipment_Info_Manager
    {
        #region Define
        string str_equipment_info = "equipment_info.xml";
        #endregion

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

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

        #region Field
        Equipment_Info equipment_info;

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

        private string file_path;
        #endregion

        #region Construct
        public Equipment_Info_Manager()
        {
            equipment_info = new Equipment_Info();
            Get_Equipment_Info();
        }
        #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("EQUIPMENT_INFO", @"C:\SHARP_CLAS\SETTING\EQUIPMENT_INFO\");
                    file_path = @"C:\SHARP_CLAS\SETTING\EQUIPMENT_INFO\";
                }
                else
                {
                    object value = rkk.GetValue("EQUIPMENT_INFO");
                    if (value == null)
                    {
                        rkk.SetValue("EQUIPMENT_INFO", @"C:\SHARP_CLAS\SETTING\EQUIPMENT_INFO\");
                        file_path = @"C:\SHARP_CLAS\SETTING\EQUIPMENT_INFO\";
                    }
                    else
                    {
                        file_path = value.ToString();
                    }
                }
            }
            finally
            {
                rkk.Close();
            }
        }

        private void Get_Equipment_Info()
        {
            Get_File_Path();
            
            if (Directory.Exists(file_path))
            {
                Equipment_Info info = xml_manager.Read_File(file_path + str_equipment_info);

                if (info != null)
                {
                    this.equipment_info = info;
                }
            }
            else
            {
                Directory.CreateDirectory(file_path);
            }
        }
        
        public bool Save_Equipment_Info(Equipment_Info info)
        {
            this.equipment_info = info.Clone();
            return xml_manager.Try_Save_File(file_path + str_equipment_info, equipment_info);
        }

        public Equipment_Info Get_Info()
        {
            return equipment_info.Clone();
        }
        #endregion
    }
}