import { XMLElem } from "@/util/XmlElem";
import { UABaseNode, type UABaseNodeOptions } from "./UABaseNode";
import type { NamespaceTable } from "./NameSpaceTable";
import type { IAddressSpace } from "./IAddressSpace";

export class UAVariable extends UABaseNode {
    public parentNodeId?: string;
    public dataType!: string;
    public valueRank!: number;
    public arrayDimensions?: string;
    public accessLevel!: number;
    public userAccessLevel!: number;
    public minimumSamplingInterval!: number;
    public historizing!: Boolean;

    constructor(options: UAVariableNodeOptions) {
                    super(options);
                    Object.assign(this, options);  
                    this.nodeClass="Variable";
    }

    static  fromXML(uaObject: any, addressSpace: IAddressSpace): UAVariable{
        const bn=super.fromXML(uaObject, addressSpace) as UAVariableNodeOptions
        bn.parentNodeId=uaObject['ParentNodeId'];
        bn.dataType=uaObject['@_DataType']||"i=24";
        bn.valueRank=Number(uaObject['@_ValueRank']||-1);
        bn.arrayDimensions=uaObject['@_ArrayDimensions'];
        bn.accessLevel=Number(uaObject['@_AccessLevel']||1);
        bn.userAccessLevel=Number(uaObject['@_UserAccessLevel']||1);
        bn.minimumSamplingInterval=Number(uaObject['@_MinimumSamplingInterval']||0);
        bn.historizing=Boolean(uaObject['@_Historizing']||false);
        return new UAVariable(bn as UABaseNodeOptions);
    }

    toXML(lnst:NamespaceTable, gnst:NamespaceTable): XMLElem {
        const elem=super.toXML(lnst, gnst);
        elem.attr("ParentNodeId", this.parentNodeId);
        elem.attr("DataType", this.dataType);
        elem.attr("ValueRank", this.valueRank.toString());
        elem.attr("ArrayDimensions", this.arrayDimensions);
        elem.attr("AccessLevel", this.accessLevel.toString());
        elem.attr("UserAccessLevel", this.userAccessLevel.toString());
        elem.attr("MinimumSamplingInterval", this.minimumSamplingInterval.toString());
        elem.attr("Historizing", this.historizing.toString());
        return elem;
    }
}

export interface UAVariableNodeOptions extends UABaseNodeOptions{
    parentNodeId?: string;
    dataType?: string;
    valueRank?: number;
    arrayDimensions?: string;
    accessLevel?: number;
    userAccessLevel?: number;
    minimumSamplingInterval?: number;
    historizing?: Boolean;
}