using System;
using System.Collections.Generic;
using System.Linq;
using WX.CRM.DAL;

namespace WX.CRM.CRMServices.WeiXin
{
    public static class SummaryMessage
    {
        public static MySqlDbHelper mySqlhelper = new MySqlDbHelper("MysqlQWConn");//读取 
        /// <summary>
        /// 汇总
        /// </summary>
        public static void Summary()
        {
            //所有企业
            var allCorp = mySqlhelper.ExecuteDataDictionary("select * from ww_corp");
            //设置缓存表内存
            mySqlhelper.ExecuteScalar("SET GLOBAL tmp_table_size = 3 * 1024*1024*1024");
            mySqlhelper.ExecuteScalar("SET GLOBAL innodb_buffer_pool_size = 3 * 1024*1024*1024");
            //查询是否有数据
            //判断昨天是否已有数据插入
            var dataCountDic = mySqlhelper.ExecuteDataDictionary($"select Count(*) as count from ww_message_cacheLog where  msgtime >= '{DateTime.Now.Date.AddDays(-1)}' and msgtime< '{DateTime.Now.Date}' ");
            var dataCount = Convert.ToInt32(dataCountDic.First()["count"]);
            if (dataCount == 0)
            {
                foreach (var item in allCorp)
                {
                    var DBName = $"wework_{item["corpid"]}";//库名
                    var corpId = item["corpid"].ToString();//企业号id
                    var tabName = $"{DBName}.ww_message_{DateTime.Now.ToString("yyyyMM")}";
                    //将昨日数据插入临时表
                    var sql = $@" insert into ww_message_cacheLog (`corpid`,`fromer`,`tolist`,msgtime)
                              select '{corpId}' as `corpid`,fromer, tolist, msgtime from {tabName} 
                              where msgtime >= '{DateTime.Now.Date.AddDays(-1)}' and msgtime< '{DateTime.Now.Date}' and roomid = ''";

                    mySqlhelper.ExecuteNonQuery(sql, 600);//数据量较大 等待10分钟
                }
            }
        }
        /// <summary>
        /// 统计并推送
        /// </summary>
        public static void Push()
        {
            IList<IDictionary<string, string>> dataList = new List<IDictionary<string, string>>();
            //发送记录
            var pushList = mySqlhelper.ExecuteDataDictionary($@"
                    SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
                        select a.corpid,fromer,tolist,count(*) as `sum` 
                        from ww_message_cacheLog a
                        left join ww_hhuser b on a.fromer=b.userid and a.corpid=b.corpid
                        where b.userid is not null
                        group by a.corpid,fromer,tolist;
                    COMMIT;", 30);

            //接受记录
            var getList = mySqlhelper.ExecuteDataDictionary($@"
                    SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
                        select a.corpid,fromer,tolist,count(*) as `sum` 
                        from ww_message_cacheLog a
                        left join ww_hhuser b on a.tolist=b.userid and a.corpid=b.corpid
                        where b.userid is not null
                        group by a.corpid,fromer,tolist;
                    COMMIT;", 30);

            //接受记录 tolist=> fromer颠倒
            var getDic = getList.ToDictionary(m => $"{m["corpid"]}_{m["tolist"]}_{m["fromer"]}", n => n["sum"].ToString());
            foreach (var item in pushList)
            {
                IDictionary<string, string> r = new Dictionary<string, string>();
                var key = $"{item["corpid"]}_{item["fromer"]}_{item["tolist"]}";
                r.Add("id", "LAST_INSERT_ID()");
                r.Add("appid", item["corpid"].ToString());
                r.Add("userid", item["fromer"].ToString());
                r.Add("externaluserid", item["tolist"].ToString());
                r.Add("pushCount", item["sum"].ToString());
                if (getDic.TryGetValue(key, out string getCount))
                {
                    r.Add("getCount", getCount);
                }
                else
                {
                    r.Add("getCount", "0");
                }
                r.Add("ctime", DateTime.Now.ToString());
                r.Add("smgDate", DateTime.Now.Date.AddDays(-1).ToString());//每次统计昨天
                r.Add("ispush", "0");//是否推送
                dataList.Add(r);
            }
            //清空本次请求需要入库的现有数据（当日重复触发时需要）
            mySqlhelper.ExecuteNonQuery($"delete from ww_message_summary where msgDate = '{DateTime.Now.Date.AddDays(-1)}'");
            //插入dncms库
            mySqlhelper.InsertBigList(dataList, "ww_message_summary");
            //清空已经处理数据
            mySqlhelper.ExecuteNonQuery($"truncate table ww_message_cacheLog");
        }
    }
}