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

using Sog;
using ProtoCSStruct;
using Google.Protobuf.Collections;

namespace Friend
{
    /// <summary>
    /// 好友op列表里的数据是不是和实际这个玩家的数据一致呢，不一致则需要更新
    /// 这个更新比较消耗cpu，所以不要tick的太快，不在线的玩家不处理，反正处理了玩家也看不到
    /// </summary>
    public static class FriendOpListDataSyncSvc
    {
        public static void TickSync(long uid, bool notifyClient)
        {
            PlayerInfoFriend player = FriendServerUtils.GetPlayerTableOp().GetPlayerInfo(uid);
            if (player == null || ! player.IsOnline)
            {
                return;
            }

            //这个是有可能的，db没有加载成功
            ref FriendCacheInfoStruct info = ref FriendOp.GetFriendInfoByUid(player.UserID);
            if (info.IsNull())
            {
                return;
            }

            // todo 后期优化性能时可以考虑不在tick时更新FriendOp, 让玩家可以自由点头像查看对方信息, 这样查看时更新即可
            for (int i = 0; i < info.FriendOpData.OpCount; i++)
            {
                bool bChg = false;
                ref DBFriendOneOpStruct oneop = ref FriendOp.GetFriendOpByIndex(ref info, i);

                ref DBFriendOneStruct submit = ref FriendInfoCache.m_cacheStructFriendOne.GetByIndex(oneop.DBFriendOneID);
                if (FriendUtils.IsPlayerBelongThisServer(submit.oneFriend.Uid))
                {
                    ref FriendCacheInfoStruct submitInfo = ref FriendOp.GetFriendInfoByUid(submit.oneFriend.Uid);
                    if (! submitInfo.IsNull())
                    {
                        bChg = FriendUtils.CheckAndChangeFriendOne(ref submit, ref submitInfo);
                    }
                }
                else
                {
                    ref RemoteFriendOneStruct submitInfo = ref FriendOp.GetRemoteFriendOneByUid(submit.oneFriend.Uid);
                    if (! submitInfo.IsNull())
                    {
                        bChg = FriendUtils.CheckAndChangeFriendOneByRemoteFriend(ref submit, ref submitInfo);
                    }
                }

                if (bChg)
                {
                    TraceLog.Trace("FriendOpListDataSyncSvc.TickSync uid {0} submit {1} data chg", uid, submit.oneFriend.Uid);

                    info.SetNeedSave(true);

                    if (notifyClient)
                    {
                        FriendNotify.NotifyPlayerFriendOpListChg(uid, ref oneop, ref submit);
                    }
                }
            }
        }
    }
}