using System;
using StackExchange.Redis;

namespace BLL
{
    /// <summary>
    /// 接口
    /// </summary>
    public interface ICache
    {
        /// <summary>
        /// 缓存过期时间
        /// </summary>
        int TimeOut { set; get; }
        /// <summary>
        /// 获得指定键的缓存值
        /// </summary>
        /// <param name="key">缓存键</param>
        /// <returns>缓存值</returns>
        object Get(string key);
        /// <summary>
        /// 获得指定键的缓存值
        /// </summary>
        T Get<T>(string key);
        /// <summary>
        /// 从缓存中移除指定键的缓存值
        /// </summary>
        /// <param name="key">缓存键</param>
        void Remove(string key);
        /// <summary>
        /// 清空所有缓存对象
        /// </summary>
        //void Clear();
        /// <summary>
        /// 将指定键的对象添加到缓存中
        /// </summary>
        /// <param name="key">缓存键</param>
        /// <param name="data">缓存值</param>
        void Insert(string key, object data);
        /// <summary>
        /// 将指定键的对象添加到缓存中
        /// </summary>
        /// <param name="key">缓存键</param>
        /// <param name="data">缓存值</param>
        void Insert<T>(string key, T data);
        /// <summary>
        /// 将指定键的对象添加到缓存中，并指定过期时间
        /// </summary>
        /// <param name="key">缓存键</param>
        /// <param name="data">缓存值</param>
        /// <param name="cacheTime">缓存过期时间(秒钟)</param>
        void Insert(string key, object data, int cacheTime);

        /// <summary>
        /// 将指定键的对象添加到缓存中，并指定过期时间
        /// </summary>
        /// <param name="key">缓存键</param>
        /// <param name="data">缓存值</param>
        /// <param name="cacheTime">缓存过期时间(秒钟)</param>
        void Insert<T>(string key, T data, int cacheTime);
        /// <summary>
        /// 将指定键的对象添加到缓存中，并指定过期时间
        /// </summary>
        /// <param name="key">缓存键</param>
        /// <param name="data">缓存值</param>
        /// <param name="cacheTime">缓存过期时间</param>
        void Insert(string key, object data, DateTime cacheTime);
        /// <summary>
        /// 将指定键的对象添加到缓存中，并指定过期时间
        /// </summary>
        /// <param name="key">缓存键</param>
        /// <param name="data">缓存值</param>
        /// <param name="cacheTime">缓存过期时间</param>
        void Insert<T>(string key, T data, DateTime cacheTime);
        /// <summary>
        /// 判断key是否存在
        /// </summary>
        bool Exists(string key);
        /// <summary>
        /// 右侧入队
        /// </summary>
        /// <param name="queueName"></param>
        /// <param name="redisValue"></param>
        /// <returns></returns>
        long EnqueueListRightPush(RedisKey queueName, RedisValue redisValue);
        /// <summary>
        /// 左侧入队
        /// </summary>
        /// <param name="queueName"></param>
        /// <param name="redisvalue"></param>
        /// <returns></returns>
        long EnqueueListLeftPush(RedisKey queueName, RedisValue redisvalue);
        /// <summary>
        /// 获取队列长度
        /// </summary>
        /// <param name="queueName"></param>
        /// <returns></returns>
        long EnqueueListLength(RedisKey queueName);
        /// <summary>
        /// 左侧出队
        /// </summary>
        /// <param name="queueName"></param>
        /// <returns></returns>
        string DequeueListPopLeft(RedisKey queueName);
        /// <summary>
        /// 右侧出队
        /// </summary>
        /// <param name="queueName"></param>
        /// <returns></returns>
        string DequeueListPopRight(RedisKey queueName);
        /// <summary>
        /// 分布式加锁
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="data">值</param>
        /// <param name="seconds">过期时间</param>
        /// <returns></returns>
        bool LockTake(string key, string data, TimeSpan seconds, int db = 0);
        /// <summary>
        /// 解锁
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="data">值</param>
        /// <returns></returns>
        bool LockRelease(string key, string data, int db = -1);
    }
}