using Amazon.DynamoDBv2.DocumentModel;
using Google.Protobuf;


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


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.QuestAbandonReq), typeof(QuestAbandonPacketHandler), typeof(GameLoginListener))]
public class QuestAbandonPacketHandler : PacketRecvHandler
{
    public override async Task<Result> onProcessPacket(ISession session, IMessage recvMessage)
    {
        var owner = session as Player;
        ArgumentNullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
        var recv_msg = recvMessage as ClientToGame;
        ArgumentNullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!!");
        var request = recv_msg.Request.QuestAbandonReq;
        
        (var quest_id, var quest_revision) = QuestHelper.convertUgqQuestIdToQuestIdAndRevision(request.ComposedQuestId);
        var quest_abandon_action = owner.getEntityAction<QuestAbandonAction>();
        ArgumentNullException.ThrowIfNull(quest_abandon_action);

        var result = await quest_abandon_action.abandonQuestConditionCheck(quest_id);
        if (result.isFail())
        {
            send_GS2C_ACK_QUEST_ABANDON(owner, result, quest_id, quest_revision);
            return result;
        }

        result = await questAbandon(owner, quest_id, quest_revision);
        if (result.isFail())
        {
            string err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {owner.toBasicString()}";
            Log.getLogger().error(err_msg);
            send_GS2C_ACK_QUEST_ABANDON(owner, result, quest_id, quest_revision);
            return result;
        }
        
        //성공 후 처리 
        send_GS2C_ACK_QUEST_ABANDON(owner, result, quest_id, quest_revision);

        await postActionAfterSend(owner, quest_id, quest_revision);

        return result;
    }
    private async Task<Result> questAbandon(Player owner, UInt32 questId, UInt32 questRevision)
    { 

        var server_logic = GameServerApp.getServerLogic();
        ArgumentNullException.ThrowIfNull(server_logic);
        var batch = new QueryBatchEx<QueryRunnerWithDocument>(owner, LogActionType.QuestMainAbort, server_logic.getDynamoDbClient());
        {
            batch.addQuery(new DBQAbandonQuest(owner.getUserGuid(), questId, questRevision));
        }
        batch.appendBusinessLog(new QuestAbandonBusinessLog(questId, questRevision));
        var result = await QueryHelper.sendQueryAndBusinessLog(batch);
        ArgumentNullException.ThrowIfNull(result);

        return result;
    }

    private async Task<Result> postActionAfterSend(Player owner, UInt32 questId, UInt32 questRevision)
    {
        var result = new Result();

        //퀘스트 삭제 처리 된 후 재할당 처리 해야함
        var quest_action = owner.getEntityAction<QuestAction>();

        (result, var quest_meta_all_base_info) = await QuestMetaManager.It.getQuestMeta(questId);
        if (result.isFail()) return result;
        var quest_base_info = quest_meta_all_base_info.m_quest_base_info;
        ArgumentNullReferenceCheckHelper.throwIfNull(quest_base_info, () => $"quest_base_info is null !!!");
        
        //에픽이 아니면 재할당 처리 필요 없다.
        if (false == quest_base_info.QuestType.Equals(nameof(MetaAssets.EQuestType.EPIC))) return result;

        result = await reAssignQuestByAbandon(owner, quest_base_info);

        return result;
    }

    private async Task<Result> reAssignQuestByAbandon(Player owner, QuestBaseInfo questMetaInfo)
    {
        QuestMailInfo mailInfo = new();
        Document doc = new();
        var result = new Result();
        var quest_action = owner.getEntityAction<QuestAction>();
        var quest_accept_action = owner.getEntityAction<QuestAcceptAction>();
        var server_logic = GameServerApp.getServerLogic();
        var quest_id = questMetaInfo.QuestId;
        ArgumentNullException.ThrowIfNull(quest_action);
        ArgumentNullException.ThrowIfNull(quest_accept_action);
        ArgumentNullException.ThrowIfNull(server_logic);
        

        if (true == questMetaInfo.ForceAccept)
        {
            result = await quest_accept_action.reAssignQuest(quest_id, questMetaInfo.QuestRevision);
            if (result.isFail())
            {
                string err_msg = $"Failed to reAssignQuest() !!! : {result.toBasicString()} - {owner.toBasicString()}";
                Log.getLogger().error(err_msg);
                return result;
            }
        }
        else
        {
            var quest_mail_action = owner.getEntityAction<QuestMailAction>();
            ArgumentNullException.ThrowIfNull(quest_mail_action);
            await quest_mail_action.sendQuestMailsWithTransaction(new List<UInt32>() { quest_id });
        }

        return result;
    }

    private static bool send_GS2C_ACK_QUEST_ABANDON(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.QuestAbandonRes = new();
        ack_packet.Response.QuestAbandonRes.ComposedQuestId = QuestHelper.convertQuestIdAndRevisionToUgqQuestId(questId, questRevision);

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

        return true;
    }
}