using CSRedis;
using Microsoft.Extensions.Caching.Distributed;
using Microsoft.Extensions.Caching.Redis;
using System.Security.AccessControl;


namespace SBF.API.Extentions
{
    public static class HostExtentions
    {
        /// <summary>
        /// 使用缓存
        /// </summary>
        /// <param name="hostBuilder">建造者</param>
        /// <returns></returns>
        public static IHostBuilder UseCache(this IHostBuilder hostBuilder)
        {

       
            hostBuilder.ConfigureServices((buidlerContext, services) =>
            {
                var cacheOption = buidlerContext.Configuration.GetSection("Cache").Get<CacheOptions>();
                switch (cacheOption.CacheType)
                {
                    case CacheType.Memory: services.AddDistributedMemoryCache(); break;
                    case CacheType.Redis:
                        {
                            var csredis = new CSRedisClient(cacheOption.RedisEndpoint);
                            RedisHelper.Initialization(csredis);
                            services.AddSingleton(csredis);
                            services.AddSingleton<IDistributedCache>(new CSRedisCache(RedisHelper.Instance));
                        }; break;
                    default: throw new Exception("缓存类型无效");
                }
            });

            return hostBuilder;
        }
      
    }
    internal class CacheOptions
    {
        public CacheType CacheType { get; set; }
        public string RedisEndpoint { get; set; }
    }  /// <summary>
       /// 缓存类型
       /// </summary>
    public enum CacheType
    {
        /// <summary>
        /// 使用内存缓存(不支持分布式)
        /// </summary>
        Memory,

        /// <summary>
        /// 使用Redis缓存(支持分布式)
        /// </summary>
        Redis
    }
}