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

namespace Tango.FSE.BL.WindowsRegistry
{
    public class RegistryService
    {
        private static RegistryService _instance;
        private String baseKey;

        public static RegistryService Default
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new RegistryService();
                }

                return _instance;
            }
        }

        public RegistryService()
        {
            baseKey = $@"{Registry.CurrentUser}\Software\Twine\Tango FSE";
        }

        public virtual void SetValue(String key, String value)
        {
            Registry.SetValue($"{baseKey}", key, value, RegistryValueKind.String);
        }

        public virtual String GetValue(String key)
        {
            var value = Registry.GetValue($"{baseKey}", key, null);
            if (value == null) return null;
            return value.ToString();
        }

        public virtual void SetValue(String key, Object value)
        {
            SetValue(key, JsonConvert.SerializeObject(value));
        }

        public virtual T GetValue<T>(String key)
        {
            return JsonConvert.DeserializeObject<T>(GetValue(key));
        }
    }
}