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

using Sog;
using MySql.Data.MySqlClient;

using SimpleHttpServer;
using LitJson;

using ProtoCSStruct;

namespace Operation
{
    public enum MailStatus
    {
        Ready = 0,
        Send = 1,
        Success = 2,
        Timeout = 3,
        ReCall = 4,
    };

    public enum MailMsg
    {
        msg_Send = 1,
        msg_Success = 2,
        msg_Timeout = 3,
    }

    /// <summary>
    /// 暂时不去tick这部分代码，拉去逻辑测试没问题，可以删掉
    /// </summary>
    public class SendMailSvc : BaseReloadableService
    {
        private long lastTickTimeMs = 0;
        private long lastKeepAlive = 0;

        public MySqlDB m_mySqlDb;

        public override int GetServiceType()
        {
            return OperationServiceType.SendMailSvc;
        }

        public override void Dispose()
        {
            m_mySqlDb.Dispose();
            m_mySqlDb = null;
        }

        public SendMailSvc()
        {
            var config = OperationServerUtils.GetServerConfig();
            m_mySqlDb = new MySqlDB(config.dbname,
                config.dbip,
                config.dbuser,
                config.dbpassword);
        }

        public void OnTick(long nowMs)
        {
            if (nowMs - lastTickTimeMs < 120000)
            {
                return;
            }

            lastTickTimeMs = nowMs;
            TickMailBoxTemp();
        }


        public void TickMailBoxTemp()
        {

            TimeSpan ts = DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0);
            int nowTime = Convert.ToInt32(ts.TotalMinutes); //获取当前时间戳
            string strSql = "";
            string nowTimeStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            strSql = $"select * from mail_box_temp where dater <='{nowTimeStr}' and datee >='{nowTimeStr}' and status=0"; //邮件再有效期内
            strSql += " order by Id asc";

            TraceLog.Debug("MailStatus.TickMailBoxTemp sqlStr:{0}", strSql);
            MySqlDataReader reader = m_mySqlDb.ExecReader(strSql);
            if (reader == null)
            {
                TraceLog.Error("MailStatus.TickMailBoxTemp error: return reader is null!");
                return;
            }
            if (!reader.HasRows)
            {
                TraceLog.Trace("MailStatus.TickMailBoxTemp DB has no record");
                reader.Close();
                return;
            }
            List<int> mailIds = new List<int>();
            List<Dictionary<string, object>> dataList = new List<Dictionary<string, object>>();
            try
            {
                while (reader.Read())
                {
                    int mailId = reader.GetInt32("Id");
                    mailIds.Add(mailId);
                    string timeLimit = reader.GetDateTime("dater").ToString() + "#" + reader.GetDateTime("datee");
                    ExtMail ext = new ExtMail();
                    int gameDataIndex = reader.GetOrdinal("data");
                    if (!reader.IsDBNull(gameDataIndex))
                    {
                        byte[] buffer = new byte[50 * 1024];
                        long gameDataLength = reader.GetBytes(gameDataIndex, 0, buffer, 0, buffer.Length);
                        byte[] gameDataByte = new byte[gameDataLength];
                        Buffer.BlockCopy(buffer, 0, gameDataByte, 0, (int)gameDataLength);
                        StructMessageParseUtils.ParseFrom(ref ext, gameDataByte);
                    }
                    byte[] dataByte = StructMessageParseUtils.ToByteArray(ref ext);
                    Dictionary<string, object> data = new Dictionary<string, object>();
                    data["name"] = reader.GetString("name");
                    data["title"] = reader.GetString("title");
                    data["content"] = reader.GetString("content");
                    data["realmlist"] = reader.GetString("realmlist");
                    data["herolist"] = reader.GetString("herolist");
                    data["language"] = reader.GetString("language");
                    data["uuid"] = reader.GetString("uuid");
                    data["curstr"] = reader.GetString("curstr");
                    data["itemstr"] = reader.GetString("itemstr");
                    data["timeLimit"] = timeLimit;
                    data["isSendToAll"] = reader.GetInt32("isSendToAll");
                    data["equipStr"] = reader.GetString("equipStr");
                    data["dataByte"] = dataByte;
                    data["customItemStr"] = reader.GetString("customItemStr");
                    dataList.Add(data);
                }
            }
            catch (Exception ex)
            {
                if (reader != null)
                    reader.Close();

                TraceLog.Error("MailStatus.TickMailBoxTemp error:{0}!", ex.Message);
            }
            reader.Close();
            var successful = DeleteMailTemp(mailIds);
            if (!successful)
            {//没有清理成功，就不能发送邮件
                return;
            }
            for (int i = 0; i < dataList.Count; i++)
            {
                var data = dataList[i];
                DBInsertIntoMailBox(data["name"].ToString(), data["title"].ToString(), data["content"].ToString(), data["realmlist"].ToString(), data["herolist"].ToString(), data["language"].ToString(), data["uuid"].ToString(), data["curstr"].ToString(), data["itemstr"].ToString(), data["timeLimit"].ToString(), (int)data["isSendToAll"], data["equipStr"].ToString(), (byte[])data["dataByte"], data["customItemStr"].ToString());
            }

        }

        public bool DeleteMailTemp(List<int> mailIds)
        {
            if (mailIds.Count <= 0)
            {
                return true;
            }
            string editSql = $"delete from mail_box_temp where Id in({string.Join(",", mailIds)});";
            TraceLog.Debug("MailStatus.DeleteMailTemp: sql:{0}", editSql);
            try
            {
                m_mySqlDb.ExecNonQuery(editSql, null);
            }
            catch (Exception e)
            {
                TraceLog.Error("MailStatus.DeleteMailTemp error : {0}", e.Message);
                return false;
            }
            return true;
        }


        public int DBInsertIntoMailBox(string _name, string title11, string content11, string realmlist11,
            string herolist11, string language, string uuid, string curstr11, string itemstr11,
            string timeLimit11, int isSendToAll, string equipStr, byte[] dataByte, string customItemStr)
        {
            return MailDBUtils.DBInsertIntoMailBox(m_mySqlDb, _name, title11, content11, realmlist11,
              herolist11, language, uuid, curstr11, itemstr11,
              timeLimit11, isSendToAll, equipStr, dataByte, customItemStr); ;
        }
    }
}