using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using static CSRedis.CSRedisClient;

namespace Znyc.Dispatching.Core.Cache
{
    /// <summary>
    ///     缓存接口
    /// </summary>
    public interface IRedisCache
    {
        /// <summary>
        ///     用于在 key 存在时删除 key
        /// </summary>
        /// <param name="key">键</param>
        long Del(params string[] key);

        /// <summary>
        ///     用于在 key 存在时删除 key
        /// </summary>
        /// <param name="key">键</param>
        /// <returns></returns>
        Task<long> DelAsync(params string[] key);

        /// <summary>
        ///     用于在 key 模板存在时删除
        /// </summary>
        /// <param name="pattern">key模板</param>
        /// <returns></returns>
        Task<long> DelByPatternAsync(string pattern);

        /// <summary>
        ///     检查给定 key 是否存在
        /// </summary>
        /// <param name="key">键</param>
        /// <returns></returns>
        bool Exists(string key);

        /// <summary>
        ///     检查给定 key 是否存在
        /// </summary>
        /// <param name="key">键</param>
        /// <returns></returns>
        Task<bool> ExistsAsync(string key);

        /// <summary>
        ///     获取指定 key 的值
        /// </summary>
        /// <param name="key">键</param>
        /// <returns></returns>
        string Get(string key);

        /// <summary>
        ///     获取指定 key 的值
        /// </summary>
        /// <typeparam name="T">byte[] 或其他类型</typeparam>
        /// <param name="key">键</param>
        /// <returns></returns>
        T Get<T>(string key);

        /// <summary>
        ///     获取指定 key 的值
        /// </summary>
        /// <param name="key">键</param>
        /// <returns></returns>
        Task<string> GetAsync(string key);

        /// <summary>
        ///     获取指定 key 的值
        /// </summary>
        /// <typeparam name="T">byte[] 或其他类型</typeparam>
        /// <param name="key">键</param>
        /// <returns></returns>
        Task<T> GetAsync<T>(string key);

        /// <summary>
        ///     设置指定 key 的值，所有写入参数object都支持string | byte[] | 数值 | 对象
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        bool Set(string key, object value);

        /// <summary>
        ///     设置指定 key 的值，所有写入参数object都支持string | byte[] | 数值 | 对象
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <param name="expire">有效期</param>
        bool Set(string key, object value, TimeSpan expire);

        /// <summary>
        ///     设置指定 key 的值，所有写入参数object都支持string | byte[] | 数值 | 对象
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <returns></returns>
        Task<bool> SetAsync(string key, object value);

        /// <summary>
        ///     设置指定 key 的值，所有写入参数object都支持string | byte[] | 数值 | 对象
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <param name="expire">有效期</param>
        /// <returns></returns>
        Task<bool> SetAsync(string key, object value, TimeSpan expire);

        /// <summary>
        ///     获取所有缓存
        /// </summary>
        /// <returns></returns>
        List<string> GetAllKeys();


        /// <summary>
        ///     缓存壳
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key"></param>
        /// <param name="timeoutSeconds"></param>
        /// <param name="getDataAsync"></param>
        /// <returns></returns>
        T CacheShell<T>(string key, int timeoutSeconds, Func<T> getDataAsync);


        /// <summary>
        ///     缓存壳
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key"></param>
        /// <param name="timeoutSeconds"></param>
        /// <param name="getDataAsync"></param>
        /// <returns></returns>
        Task<T> CacheShellAsync<T>(string key, int timeoutSeconds, Func<Task<T>> getDataAsync);


        /// <summary>
        ///     发布
        /// </summary>
        /// <param name="channel"></param>
        /// <param name="message"></param>
        /// <returns></returns>
        Task<long> PublishAsync(string channel, string message);


        /// <summary>
        ///     订阅
        /// </summary>
        /// <param name="channels"></param>
        /// <returns></returns>
        SubscribeObject Subscribe(params (string, Action<SubscribeMessageEventArgs>)[] channels);
    }
}