using ServiceStack.Redis;
using System.Diagnostics;

namespace Communication
{
    public class RedisHelper
    {

        private volatile static RedisHelper _Instance;
        public static RedisHelper GetInstance => _Instance ?? (_Instance = new RedisHelper());
        private RedisHelper() { }
        RedisClient client;

        public async Task<bool> ConnectAsync()
        {
            return await Task.Factory.StartNew(new Func<bool>(() =>
              {
                  if (client == null)
                  {
                      BPASmartClient.Message.MessageLog.GetInstance.ShowDebugLog("开始连接 Redis");
                      client = new RedisClient("124.222.238.75", 16000, "123456", 1);
                      client.ConnectTimeout = 5000;
                      Stopwatch sw = new Stopwatch();
                      sw.Start();
                      while (!client.IsSocketConnected())
                      {
                          if (sw.ElapsedMilliseconds >= client.ConnectTimeout) break;
                          Thread.Sleep(1000);
                      }
                      string status = client.IsSocketConnected() ? "成功" : "失败";
                      BPASmartClient.Message.MessageLog.GetInstance.ShowDebugLog($"Redis 连接{status}");
                  }
                  return client.IsSocketConnected();
              }));

        }

        /// <summary>
        /// 清除所有redis 数据
        /// </summary>
        public void FlushDb()
        {
            client?.FlushDb();
        }

        /// <summary>
        /// 设置值
        /// </summary>
        /// <typeparam name="TValue"></typeparam>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public void SetValue<TValue>(string key, TValue value)
        {
            var res = client?.Set<TValue>(key, value);
        }

        /// <summary>
        /// 获取值
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="key"></param>
        /// <returns></returns>
        public TResult GetValue<TResult>(string key)
        {
            if (client == null) return default(TResult);
            return client.Get<TResult>(key);
        }

    }
}