using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SHARP_CLAS_UI
{ 
    public class Parameter_Power_Manager
    {
        #region Define
        string str_power = "power.xml";
        #endregion

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

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

        #region Field
        private Xml_Manager<Parameter_Power> power_xml_manager = new Xml_Manager<Parameter_Power>();

        Parameter_Power power;
        private string file_path;
        #endregion

        #region Construct
        public Parameter_Power_Manager()
        {
            Get_File_Path();
            power = new Parameter_Power();
            Get_Parameter_Power();
        }
        #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("SYSTEM_PARAMETER", @"C:\SHARP_CLAS\Config\POWER\");
                    file_path = @"C:\SHARP_CLAS\Config\POWER\";
                }
                else
                {
                    object value = rkk.GetValue("SYSTEM_PARAMETER");
                    if (value == null)
                    {
                        rkk.SetValue("SYSTEM_PARAMETER", @"C:\SHARP_CLAS\Config\POWER\");
                        file_path = @"C:\SHARP_CLAS\Config\POWER\";
                    }
                    else
                    {
                        file_path = value.ToString();
                    }
                }
            }
            finally
            {
                rkk.Close();
            }
        }

        private void Get_Parameter_Power()
        {
            Get_File_Path();

            if (Directory.Exists(file_path))
            {
                Parameter_Power power = power_xml_manager.Read_File(file_path + str_power);

                if (power != null)
                {
                    this.power = power;
                }
            }
            else
            {
                Directory.CreateDirectory(file_path);
            }
        }

        public bool Save_Parameter_Power(Parameter_Power power)
        {
            this.power = power.Clone();
            return power_xml_manager.Try_Save_File(file_path + str_power, power);
        }

        public Parameter_Power Get_Power()
        {
            return power.Clone();
        }
        #endregion
    }
}