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.QuestRefuseReq), typeof(QuestRefusePacketHandler), typeof(GameLoginListener))]
public class QuestRefusePacketHandler : 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.QuestRefuseReq;
        (var quest_id, var quest_revision) = QuestHelper.convertUgqQuestIdToQuestIdAndRevision(request.ComposedQuestId);

        var quest_refuse_action = owner.getEntityAction<QuestRefuseAction>();
        var result = await quest_refuse_action.refuseQuestConditionCheck(quest_id);
        if (result.isFail())
        {
            send_GS2C_ACK_QUEST_REFUSE(owner, result, quest_id, quest_revision);
            return result;
        }

        var server_logic = GameServerApp.getServerLogic();
        var quest_mail_action = owner.getEntityAction<QuestMailAction>();

        result = await owner.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "RefuseQuest", delegateRefuseQuest);
        if (result.isFail())
        {
            send_GS2C_ACK_QUEST_REFUSE(owner, result, quest_id, quest_revision);
            return result;
        }

        send_GS2C_ACK_QUEST_REFUSE(owner, result, quest_id, quest_revision);
        quest_mail_action.GS2C_NTF_DELETE_QUEST_MAIL_NOTI(quest_id);

        await quest_mail_action.normalMailActiveCheck();
        return result;


        async Task<Result> delegateRefuseQuest() => await refuseQuest(owner, quest_id, quest_revision);
    }

    private async Task<Result> refuseQuest(Player player, UInt32 questId, UInt32 questRevision)
    {
        var server_logic = GameServerApp.getServerLogic();
        var quest_mail_action = player.getEntityAction<QuestMailAction>();

        
        (var result, var quest_mail) = quest_mail_action.getQuestMail(MetaAssets.EQuestType.NORMAL, questId);
        if (result.isFail()) return result;

        var quest_mail_attribute = quest_mail.getEntityAttribute<QuestMailAttribute>();
        NullReferenceCheckHelper.throwIfNull(quest_mail_attribute, () => $"quest_mail_attribute is null !!!");
        quest_mail_attribute.deleteEntityAttribute();

        var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.QuestMainRefuse, server_logic.getDynamoDbClient());
        {
            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
        }

        batch.appendBusinessLog(new QuestRefuseBusinessLog(questId, questRevision));

        result = await QueryHelper.sendQueryAndBusinessLog(batch);
        if(result.isFail()) return result;

        result = await quest_mail_action.deleteQuestMail(questId, questRevision);

        return result;
    }

    private static bool send_GS2C_ACK_QUEST_REFUSE(Player owner, Result result, UInt32 questId, UInt32 questRevision)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.QuestRefuseRes = new();
        ack_packet.Response.QuestRefuseRes.ComposedQuestId = QuestHelper.convertQuestIdAndRevisionToUgqQuestId(questId, questRevision); 

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

        return true;
    }
}