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

namespace SHARP_CLAS_UI
{
    public class Parameter_System_Manager
    {
        #region Define
        string str_mode = "mode.xml";
        string str_setting = "setting.xml";
        #endregion

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

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

        #region Field
        private Xml_Manager<Parameter_Mode> mode_xml_manager = new Xml_Manager<Parameter_Mode>();
        private Xml_Manager<Parameter_Setting> setting_xml_manager = new Xml_Manager<Parameter_Setting>();

        Parameter_Mode mode;
        Parameter_Setting setting;
        private string file_path;
        #endregion

        #region Construct
        public Parameter_System_Manager()
        {
            Get_File_Path();
            mode = new Parameter_Mode();
            setting = new Parameter_Setting();
            Get_System_Mode();
            Get_System_Setting();
        }
        #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\SETTING\");
                    file_path = @"C:\SHARP_CLAS\Config\SETTING\";
                }
                else
                {
                    object value = rkk.GetValue("SYSTEM_PARAMETER");
                    if (value == null)
                    {
                        rkk.SetValue("SYSTEM_PARAMETER", @"C:\SHARP_CLAS\Config\SETTING\");
                        file_path = @"C:\SHARP_CLAS\Config\SETTING\";
                    }
                    else
                    {
                        file_path = value.ToString();
                    }
                }
            }
            finally
            {
                rkk.Close();
            }
        }

        private void Get_System_Mode()
        {
            Get_File_Path();
            
            if (Directory.Exists(file_path))
            {
                Parameter_Mode mode = mode_xml_manager.Read_File(file_path + str_mode);

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

        private void Get_System_Setting()
        {
            Get_File_Path();

            if (Directory.Exists(file_path))
            {
                Parameter_Setting setting = setting_xml_manager.Read_File(file_path + str_setting);

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

        public bool Save_System_Mode(Parameter_Mode mode)
        {
            this.mode = mode.Clone();
            return mode_xml_manager.Try_Save_File(file_path + str_mode, mode);
        }

        public bool Save_System_Setting(Parameter_Setting setting)
        {
            this.setting = setting.Clone();
            return setting_xml_manager.Try_Save_File(file_path + str_setting, setting);
        }

        public Parameter_Mode Get_Mode()
        {
            return mode.Clone();
        }

        public Parameter_Setting Get_Setting()
        {
            return setting.Clone();
        }
        #endregion
    }
}