using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;



namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.ReadQuestMailReq), typeof(ReadQuestMailPacketHandler), typeof(GameLoginListener))]
public class ReadQuestMailPacketHandler : PacketRecvHandler
{
    public override async Task<Result> onProcessPacket(ISession session, IMessage recvMessage)
    {
        var owner = session as Player;
        NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
        var recv_msg = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!!");
        var request = recv_msg.Request.ReadQuestMailReq;

        (var quest_id, var quest_revision) = QuestHelper.convertUgqQuestIdToQuestIdAndRevision(request.ComposedQuestId);
        
        var result = await owner.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "ReadQuestMail", delegateReadQuestMail);
        if (result.isFail())
        {
            string err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {owner.toBasicString()}";
            Log.getLogger().error(err_msg);
        }

        send_GS2C_ACK_READ_QUEST_MAIL(owner, result);
        return result;

        async Task<Result> delegateReadQuestMail() => await readQuestMail(owner, quest_id, quest_revision);
    }

    private async Task<Result> readQuestMail(Player owner, UInt32 questId, UInt32 questRevision)
    {
        var quest_mail_action = owner.getEntityAction<QuestMailAction>();
        var result = await quest_mail_action.readQuestMail(questId, questRevision);


        var server_logic = GameServerApp.getServerLogic();
        var batch = new QueryBatchEx<QueryRunnerWithDocument>(owner, LogActionType.None
                                                            , server_logic.getDynamoDbClient());
        {
            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
        }
        result = await QueryHelper.sendQueryAndBusinessLog(batch);

        if (result.isFail())
        {
            Log.getLogger().error($"holdFriendFolder fail. {result.ErrorCode}");
            return result;
        }

        return result;
    }

    private static bool send_GS2C_ACK_READ_QUEST_MAIL(Player owner, Result result)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.ReadQuestMailRes = new();

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet)) return false;

        return true;
    }
}