using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WIDESEA_Core.Caches
{
    public interface ICacheService : IDisposable
    {
        /// <summary>
        /// 验证缓存项是否存在
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <returns></returns>
        bool Exists(string key);

        /// <summary>
        /// 添加缓存
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <param name="value">缓存Value</param>
        /// <param name="expiresIn">缓存时长</param>
        /// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间） //new TimeSpan(0, 60, 0);</param>
        /// <returns></returns>
        bool AddObject(string key, object value, int expireSeconds = -1, bool isSliding = false);

        bool Add(string key, string value, int expireSeconds = -1, bool isSliding = false);

        void AddOrUpdate(string key, string value, int expireSeconds = -1, bool isSliding = false);

        /// <summary>
        /// 删除缓存
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <returns></returns>
        bool Remove(string key);

        /// <summary>
        /// 批量删除缓存
        /// </summary>
        /// <param name="key">缓存Key集合</param>
        /// <returns></returns>
        void Remove(IEnumerable<string> keys);

        /// <summary>
        /// 获取缓存
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <returns></returns>
        T Get<T>(string key) where T : class;

        /// <summary>
        /// 获取缓存
        /// </summary>
        /// <param name="key">缓存Key</param>
        /// <returns></returns>
        string Get(string key);
    }
}