using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Edu.CacheManager.Base;
using Edu.Common.Enum;

namespace Edu.Cache.App
{
    public class MsgUserRedisCache
    { /// <summary>
      /// 使用redis第几号库
      /// </summary>
        public static readonly int REDIS_DB3 = 3;

        static readonly RedisHelper redis = new RedisHelper(REDIS_DB3);

        /// <summary>
        /// 添加用户发送验证码时间记录
        /// </summary>
        /// <param name="mobileNumber">手机号码</param>
        public static bool AddUserSendCodeHistory(string mobileNumber)
        {
            string key = Cache.CacheKey.MsgStudent_Send_Code_List + mobileNumber;
            List<DateTime> codeTimeList = redis.StringGet<List<DateTime>>(key);
            if (codeTimeList == null)
            {
                codeTimeList = new List<DateTime>();
            }
            codeTimeList.Add(DateTime.Now);
            TimeSpan ts = GetExpirTime(Common.Config.JwtExpirTime);
            return redis.StringSet<List<DateTime>>(key, codeTimeList, ts);
        }


        /// <summary>
        /// 设置缓存
        /// </summary>
        /// <param name="cacheKey"></param>
        /// <param name="Data"></param>
        /// <param name="JwtExpirTime"></param>
        public static void SetSendCode(string cacheKey, object Data, int JwtExpirTime)
        {
            try
            {
                TimeSpan ts = GetExpirTime(JwtExpirTime);
                redis.StringSet(cacheKey, Data, ts);
            }
            catch (Exception)
            {
            }
        }
        /// <summary>
        /// 获取缓存时长
        /// </summary>
        /// <param name="JwtExpirTime"></param>
        /// <returns></returns>
        private static TimeSpan GetExpirTime(int JwtExpirTime)
        {
            DateTime dt = DateTime.Now;
            DateTime dt2 = DateTime.Now;
            TimeSpan ts = dt.AddSeconds(JwtExpirTime) - dt2;
            return ts;
        }

        /// <summary>
        /// 验证是否可以发送验证码
        /// </summary>
        /// <param name="mobileNumber">手机号码</param>
        /// <param name="message">返回消息</param>
        public static bool CheckCanSendCode(string mobileNumber, out string message)
        {
            message = "";
            //Monitor.Enter和Monitor.Exit
            string key = string.Concat(CacheKey.MsgStudent_Send_Code_List, mobileNumber);
            List<DateTime> codeTimeList = redis.StringGet<List<DateTime>>(key);
            if (codeTimeList != null)
            {
                //计算阿里短信业务限流
                codeTimeList = codeTimeList.Where(t => t >= DateTime.Now.AddDays(-1)).ToList();
                //去除一天以外的记录
                TimeSpan ts = GetExpirTime(Common.Config.JwtExpirTime);
                redis.StringSet(key, codeTimeList, ts);
                if (codeTimeList.Count() >= 10)
                {
                    message = "24小时内不能发送超过10条验证码";
                    return false;
                }
                if (codeTimeList.Where(t => t >= DateTime.Now.AddHours(-1)).Count() >= 5)
                {
                    message = "1小时内不能发送超过5条验证码";
                    return false;
                }
                if (codeTimeList.Where(t => t >= DateTime.Now.AddMinutes(-1)).Count() >= 1)
                {
                    message = "1分钟内只能发送1条验证码";
                    return false;
                }
                return true;
            }
            else
            {
                return true;
            }
        }



        /// <summary>
        /// 获取短信验证码
        /// </summary>
        /// <param name="Id">账号Id</param>
        /// <param name="apiRequestFromEnum">请求来源</param>
        /// <returns></returns>
        public static string GetUserCode(object Id, ApiRequestFromEnum apiRequestFromEnum = ApiRequestFromEnum.WebAdmin)
        {
            string code = string.Empty;
            if (Id != null)
            {
                string cacheKey = Id.ToString();
                try
                {
                    code = redis.StringGet<string>(cacheKey);
                }
                catch (Exception ex)
                {
                    Common.Plugin.LogHelper.Write(ex, "GetUserCode");
                }
            }
            return code;
        }
    }
}