using Microsoft.JSInterop;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Shogi.UI.Shared
{
	public class LocalStorage : ILocalStorage
	{
		private readonly JsonSerializerOptions jsonOptions;
		private readonly IJSRuntime jSRuntime;

		public LocalStorage(IJSRuntime jSRuntime)
		{
			jsonOptions = new JsonSerializerOptions();
			jsonOptions.Converters.Add(new JsonStringEnumConverter());
			this.jSRuntime = jSRuntime;
		}

		public ValueTask Set<T>(string key, T value)
		{
			var serialized = JsonSerializer.Serialize(value);
			return jSRuntime.InvokeVoidAsync("localStorage.setItem", key, serialized);
		}

		public async ValueTask<T?> Get<T>(string key) where T : struct
		{

			var value = await jSRuntime.InvokeAsync<string>("localStorage.getItem", key);
			try
			{
				return JsonSerializer.Deserialize<T>(value, jsonOptions);
			}
			catch (ArgumentNullException)
			{
				return default;
			}
		}

		public ValueTask Delete(string key)
		{
			return jSRuntime.InvokeVoidAsync("localStorage.removeItem", key);
		}
	}

	public interface ILocalStorage
	{
		ValueTask Delete(string key);
		ValueTask<T?> Get<T>(string key) where T : struct;
		ValueTask Set<T>(string key, T value);
	}
}