namespace HealthMonitor.Core.Common
{
    /// <summary>
    /// 分布式同步锁
    /// </summary>
    public class DistributedLocker : IDisposable
    {
        private const string KEY_LOCKER = nameof(DistributedLocker);
        private const int EXPIRE_SECONDS = 10;

        private CSRedis.CSRedisClientLock redis_lock;

        /// <summary>
        /// 分布式锁（基于Redis）
        /// </summary>
        /// <param name="caller"></param>
        /// <param name="isAutoDelay"></param>
        /// <exception cref="TimeoutException"></exception>
        public DistributedLocker(object caller, bool isAutoDelay = false) : this(caller.GetType().FullName, isAutoDelay) { }

        /// <summary>
        /// 分布式锁（基于Redis）
        /// </summary>
        /// <param name="title"></param>
        /// <param name="isAutoDelay"></param>
        /// <exception cref="TimeoutException"></exception>
        public DistributedLocker(string? title = null, bool isAutoDelay = false)
        {
            if (string.IsNullOrWhiteSpace(title)) title = KEY_LOCKER;

            redis_lock = RedisHelper.Lock(title, EXPIRE_SECONDS, isAutoDelay);
            if (redis_lock == null) throw new TimeoutException("RedisLock获取超时");
        }



        public void Dispose()
        {
            redis_lock?.Unlock();

            //RedisHelper.Del(KEY_LOCKER);
        }
    }
}