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


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


using static ClientToGameReq.Types;
using static ClientToGameRes.Types;


using SESSION_ID = System.Int32;
using WORLD_META_ID = System.UInt32;
using META_ID = System.UInt32;
using ENTITY_GUID = System.String;
using ACCOUNT_ID = System.String;
using OWNER_GUID = System.String;
using USER_GUID = System.String;
using CHARACTER_GUID = System.String;
using ITEM_GUID = System.String;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(C2GS_REQ_UGC_NPC_EDIT), typeof(UgcNpcEditPacketHandler), typeof(GameLoginListener))]
public class UgcNpcEditPacketHandler : PacketRecvHandler
{
    public static bool send_GS2C_ACK_UGC_NPC_EDIT( Player player, Result result
                                                 , GS2C_ACK_UGC_NPC_EDIT? ackMessage = null)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.AckUgcNpcEdit = new GS2C_ACK_UGC_NPC_EDIT();

        if (ServerErrorCode.Success == result.ErrorCode)
        {
            ArgumentNullReferenceCheckHelper.throwIfNull(ackMessage, () => $"ackMessage is null !!! - {player.toBasicString()}");
            ack_packet.Response.AckUgcNpcEdit = ackMessage;
        }

        if (false == GameServerApp.getServerLogic().onSendPacket(player, ack_packet))
        {
            return false;
        }

        return true;
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, Google.Protobuf.IMessage recvMessage)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var player = entityWithSession as Player;
        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        var recv_msg = recvMessage as ClientToGame;
        ArgumentNullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!! - {player.toBasicString()}");
        var request = recv_msg.Request.ReqUgcNpcEdit;
        ArgumentNullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");

        result = await tryUgcNpcEdit(player, request);
        if (result.isFail())
        {
            return result;
        }

        return result;
    }

    public static async Task<Result> tryUgcNpcEdit(Player player, C2GS_REQ_UGC_NPC_EDIT request)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var player_action = player.getEntityAction<PlayerAction>();
        NullReferenceCheckHelper.throwIfNull(player_action, () => $"player_action is null !!! - {player.toBasicString()}");

        var selected_character = player_action.getSelectedCharacter();
        if (null == selected_character)
        {
            err_msg = $"Not selected Character !!! - {player.toBasicString()}";
            result.setFail(ServerErrorCode.CharacterNotSelected, err_msg);
            Log.getLogger().error(result.toBasicString());

            send_GS2C_ACK_UGC_NPC_EDIT(player, result);
            return result;
        }

        var fn_ugc_npc_edit = async delegate ()
        {
            var result = new Result();

            var player_action = player.getEntityAction<PlayerAction>();
            ArgumentNullException.ThrowIfNull(player_action, $"player_action is null !!! - {player.toBasicString()}");

            var to_edit_ugc_npc_meta_guid = request.ToEditUgcNpcMetaGuid;
            var found_ugc_npc = player_action.findUgcNpc(to_edit_ugc_npc_meta_guid);
            if(null == found_ugc_npc)
            {
                err_msg = $"Not found UgcNpc !!! : UgcNpcMetaGuid:{to_edit_ugc_npc_meta_guid} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.UgcNpcNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_GS2C_ACK_UGC_NPC_EDIT(player, result);
                return result;
            }

            var ugc_npc_edit_action = found_ugc_npc.getEntityAction <UgcNpcEditAction>();
            NullReferenceCheckHelper.throwIfNull(ugc_npc_edit_action, () => $"ugc_npc_edit_action is null !!! - {player.toBasicString()}");

            (result, var to_edit_ugc_npc) = await ugc_npc_edit_action.tryEditUgcNpc(request);
            if (result.isFail())
            {
                err_msg = $"Failed to tryEditUgcNpc() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_GS2C_ACK_UGC_NPC_EDIT(player, result);
                return result;
            }

            var server_logic = GameServerApp.getServerLogic();
            ArgumentNullException.ThrowIfNull(server_logic, $"server_logic is null !!! - {player.toBasicString()}");

            var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.BeaconEdit
                                                                 , server_logic.getDynamoDbClient()
                                                                 , true );
            {
                batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
                batch.addQuery(new QueryFinal(), ugc_npc_edit_action.completedUgcNpcEdit);
            }

            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail())
            {
                send_GS2C_ACK_UGC_NPC_EDIT(player, result);
                return result;
            }

            (result, var ack_ugc_npc_edit) = await ugc_npc_edit_action.toAckUgcNpcEdit();
            if(result.isFail())
            {
                send_GS2C_ACK_UGC_NPC_EDIT(player, result);
                return result;
            }

            send_GS2C_ACK_UGC_NPC_EDIT(player, result, ack_ugc_npc_edit);
            return result;
        };

        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "UgcNpcCreation", fn_ugc_npc_edit);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely() !!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);
        }

        return result;
    }
}