using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Avalonia.Controls;
using MessagePack;
using MessagePack.Resolvers;
using ShakerApp.Models;
using ShakerApp.ViewModels;

namespace ShakerApp.Tools
{
    public static class Tools
    {
        public static void CalcStatistics(ref StatisticsViewModel model,ref float value,uint len)
        {

        }
        public static string GetUnit(this Models.TimeDomainType type)
        {
            return (type.GetType()?
                     .GetField(type.ToString())?
                     .GetCustomAttributes<TimeDomainUnitAttribute>()
                     .FirstOrDefault())?.Unit ?? "";
        }
        private static MessagePackSerializerOptions options = TypelessContractlessStandardResolver.Options.WithOmitAssemblyVersion(true);
        public static byte[] GetBytes<T>(this T value)
        {
            return MessagePack.MessagePackSerializer.Serialize(value,options);
        }

        public static byte[] Serialize(Type type,object? value)
        {
            return MessagePack.MessagePackSerializer.Serialize(type, value, options);
        }
        public static object? Deserialize(Type type, ReadOnlyMemory<byte> bytes)
        {
            try
            {
                return MessagePack.MessagePackSerializer.Deserialize(type, bytes, options);
            }
            catch
            {
                return Activator.CreateInstance(type);
            }
        }

        public static T GetValue<T>(this byte[] data)
        {
            return MessagePackSerializer.Deserialize<T>(data,options);
        }

        public static T? ReadConfig<T>(this string configPath)
        {
            try
            {
                return Newtonsoft.Json.JsonConvert.DeserializeObject<T>(System.IO.File.ReadAllText(configPath));
            }
            catch
            {


            }
            return default;
        }
        public static void SaveConfig<T>(this T? value,string configPath)
        {
            value = value ?? default;
            try
            {
                if (System.IO.File.Exists(configPath)) System.IO.File.Delete(configPath);
                System.IO.File.WriteAllText(configPath, Newtonsoft.Json.JsonConvert.SerializeObject(value, Newtonsoft.Json.Formatting.Indented));
            }
            catch
            {

            }
        }

        static Dictionary<RuntimeTypeHandle, Control> ViewCache = new Dictionary<RuntimeTypeHandle, Control>();
        public static T CreateView<T>(bool cache = true)where T:Control
        {
            if(cache)
            {
                Type t = typeof(T);
                if (ViewCache.TryGetValue(t.TypeHandle, out var control)) return (T)control;
                else
                {
                    ViewCache[t.TypeHandle] = Activator.CreateInstance<T>();
                    return (T)ViewCache[t.TypeHandle];
                }
            }
            else
            {
                return Activator.CreateInstance<T>();
            }
        }
        public static Control CreateView(Type type, bool cache = true)
        {
            if (cache)
            {
                if (ViewCache.TryGetValue(type.TypeHandle, out var control)) return control;
                else
                {
                    ViewCache[type.TypeHandle] = (Control)Activator.CreateInstance(type)!;
                    return ViewCache[type.TypeHandle];
                }
            }
            else
            {
                return (Control)Activator.CreateInstance(type)!;
            }
        }
    }
}