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


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


using NICKNAME = System.String;


namespace GameServer;

public class NicknameAction : EntityActionBase
{
    public NicknameAction(Player owner)
        : base(owner)
    {
    }

    public override async Task<Result> onInit()
    {
        await Task.CompletedTask;

        var result = new Result();

        return result;
    }

    public override void onClear()
    {
        return;
    }

    public bool isCreatedNickname()
    {
        var owner = getOwner();
        ArgumentNullException.ThrowIfNull(owner);

        var nickname_attr = owner.getEntityAttribute<NicknameAttribute>();
        ArgumentNullException.ThrowIfNull(nickname_attr);

        var nickname = nickname_attr.Nickname;
        if (true == nickname.isNullOrWhiteSpace())
        {
            return false;
        }

        return true;
    }

    public async Task<Result> tryChangeNickname(NICKNAME newNickname)
    {
        var player = getOwner() as Player;
        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");

        var result = new Result();
        var err_msg = string.Empty;

        var server_logic = GameServerApp.getServerLogic();

        var nickname_attribute = player.getEntityAttribute<NicknameAttribute>();
        NullReferenceCheckHelper.throwIfNull(nickname_attribute, () => $"nickname_attribute is null !!! - {player.toBasicString()}");

        var del_user_nickname_registry_doc = new UserNicknameRegistryDoc(nickname_attribute.Nickname);
        result = await del_user_nickname_registry_doc.deleteDoc4Query();
        if (result.isFail())
        {
            return result;
        }

        var new_user_nickname_registry_doc = new UserNicknameRegistryDoc(newNickname);
        result = await new_user_nickname_registry_doc.newDoc4Query();
        if (result.isFail())
        {
            return result;
        }

        var new_doc_user_nickname_attrib = new_user_nickname_registry_doc.getAttrib<UserNicknameRegistryAttrib>();
        ArgumentNullException.ThrowIfNull(new_doc_user_nickname_attrib, $"new_doc_user_nickname_attrib is null !!! - {player.toBasicString()}");

        var account_attribute = player.getEntityAttribute<AccountAttribute>();
        ArgumentNullException.ThrowIfNull(account_attribute);

        new_doc_user_nickname_attrib.Nickname = newNickname;
        new_doc_user_nickname_attrib.UserGuid = player.getUserGuid();
        new_doc_user_nickname_attrib.AccountId = account_attribute.AccountId;

        nickname_attribute.Nickname = newNickname;
        nickname_attribute.modifiedEntityAttribute();

        var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.CheatCommandChangeNickName
                                                           , server_logic.getDynamoDbClient());
        {
            batch.addQuery(new DBQEntityDelete(del_user_nickname_registry_doc));
            batch.addQuery(new DBQEntityWrite(new_user_nickname_registry_doc));
            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
        }

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

        return result;
    }

    public NICKNAME getNickname()
    {
        var owner = getOwner();
        ArgumentNullException.ThrowIfNull(owner, $"owner is null !!!");

        var nickname_attribute = owner.getEntityAttribute<NicknameAttribute>();
        ArgumentNullException.ThrowIfNull(nickname_attribute, $"nickname_attribute is null !!! - {owner.toBasicString()}");

        return nickname_attribute.Nickname;
    }

    public ServerErrorCode send_GS2C_NTF_NICKNAME_CHANGE(string nickName)
    {
        var owner = getOwner() as Player;
        ArgumentNullException.ThrowIfNull(owner, $"owner is null !!!");

        ClientToGame ntf_packet = new();
        ntf_packet.Message = new();
        ntf_packet.Message.ChangeNickNameNoti = new();
        ntf_packet.Message.ChangeNickNameNoti.Guid = owner.getUserGuid();
        ntf_packet.Message.ChangeNickNameNoti.NickName = nickName;

        var game_zone_action = owner.getEntityAction<GameZoneAction>();
        ArgumentNullException.ThrowIfNull(game_zone_action, $"game_zone_action is null !!! - {owner.toBasicString()}");

        game_zone_action.broadcast(owner, ntf_packet);

        return ServerErrorCode.Success;
    }

}