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

using Sog;
using ProtoCSStruct;
namespace Operation
{
    class SaveFileRoleInfo
    {
        public List<IDValue32Class> uid_realmid = new List<IDValue32Class>();       
    }

    public static class RoleInfoMap
    {
        private static SaveFileRoleInfo infoList;
        private static Dictionary<long, int> infoMap = new Dictionary<long, int>();
        public static bool needSave = false;

        public static void OnSyncRoleinfoToOpsvr(uint serverID, StructPacket packet)
        {
            ref var sync = ref packet.GetMessage<SSSyncRoleInfoToOpSvr>();
            if(!infoMap.ContainsKey(sync.PlayerUid))
            {
                infoMap.Add(sync.PlayerUid,sync.RealmId);
                needSave = true;
            }
        }

        private static string GetSaveFileName()
        {
            return "./OperationServerDb_RoleInfoMap_" + OperationServerUtils.GetApp().ServerID.ToString() + ".fdb";
        }
     
        //保存到数据库，存本地文件
        public static void SaveDataToFile()
        {
            DateTime begin = DateTime.Now;

            string filename = GetSaveFileName();

            infoList.uid_realmid.Clear();

            foreach (var item in infoMap)
            {
                IDValue32Class temp = new IDValue32Class();
                temp.id = (int)item.Key;
                temp.value = (int)item.Value;
                infoList.uid_realmid.Add(temp);              
            }

            int iRet = Sog.IO.FileDBSaveByBinSerialize.SaveToFile(infoList, filename);
            if (iRet != 0)
            {
                TraceLog.Error("RoleInfoMap.SaveDataToFile save file {0} error ,ret {1}", filename, iRet);
                return;
            }
            infoList.uid_realmid.Clear();//留着无用
            needSave = false;
            TraceLog.Trace("RoleInfoMap.SaveDataToFile save file {0} success, count {1} ,costTime {2}(ms)", filename,
                infoList.uid_realmid.Count, DateTime.Now.Millisecond - begin.Millisecond);
        }

        public static void LoadDataFromFile()
        {       
            string filename = GetSaveFileName();

            infoList = Sog.IO.FileDBSaveByBinSerialize.ReadFromFile<SaveFileRoleInfo>(filename);
            if (infoList == null)
            { 
                infoList = new SaveFileRoleInfo();

                TraceLog.Trace("RoleInfoMap.LoadDataFromFile no Data, new empty object");

                //立即保存一下
                SaveDataToFile();
            }

            infoMap.Clear();
            foreach (var item in infoList.uid_realmid)
            {
                infoMap.Add(item.id, item.value);
            }
            infoList.uid_realmid.Clear();//留着无用
            TraceLog.Trace("RoleInfoMap.LoadDataFromFile end");
        }

        //返回  <realmid,List<uid>>
        public static Dictionary<int, List<long>> CheckMailUidList(string[] uids)
        {
            Dictionary<int, string> tmp = new Dictionary<int, string>();
            Dictionary<int, List<long>> dict = new Dictionary<int, List<long>>();
            string splitStr = string.Empty;

            foreach (var item in uids)
            {
                if(long.TryParse(item,out long uid) && uid > 0)
                {
                    int realmid = 0;
                    if(infoMap.ContainsKey(uid))
                    {
                        realmid = infoMap[uid];
                    }
                    if(dict.ContainsKey(realmid))
                    {
                        dict[realmid].Add(uid);
                    }
                    else
                    {
                        dict.Add(realmid,new List<long>() { uid});
                    }
                }
            }

            return dict;
        }
    }
}