using Microsoft.Extensions.Caching.Distributed;
using Newtonsoft.Json;
using System.Threading;
using System.Threading.Tasks;

namespace NDB.Extensions.Caching
{
    internal static class DistributedCachingExtensions
    {
        public static async Task SetAsync<T>(this IDistributedCache distributedCache, string key, T value, DistributedCacheEntryOptions options, CancellationToken token = default) where T : class
        {
            var v = JsonConvert.SerializeObject(value);
            await distributedCache.SetStringAsync(key, v, options, token);
        }

        public static async Task<T> GetAsync<T>(this IDistributedCache distributedCache, string key, CancellationToken token = default) where T : class
        {
            var result = await distributedCache.GetStringAsync(key, token);
            return result == null ? null : JsonConvert.DeserializeObject<T>(result);
        }
    }
}