import { GroupBase } from '../form/dynamic-form-group/group-base';
import { FieldBase } from '../form/fields/field-base';
import { Attribute } from './model/attribute';
import { Source } from './model/source';

export class DataModel {

   private fIndex : Map<string, FieldBase<any>>;
   private fIndSources : Map<string, Source>;

   groups: GroupBase<any>[] = [];
   fields: FieldBase<any>[] = [];
   semanticAttr: Attribute[];

   //need to add more class fields to describe the remaining elements of the json object fetched from the service.
   //e.g. the current dataset's metadata information, the DataRepository description information, etc

   constructor(){

   }




   public buildIndex(){


      this.fIndex = new Map<string, FieldBase<any>>();
      this.fIndSources = new Map<string, Source>();

      this.fields.forEach((field) => {
         console.log("fieldid:" +field.key);
         this.fIndex.set(field.key, field);
      });

      this.groups.forEach((group) => {
         group.groupFields.forEach((field) => {
            console.log("groupid: "+group.key + "fieldid:" +field.key);
            this.fIndex.set(field.key, field);
         });
      });

      this.semanticAttr.forEach((attr) => {           
           attr.sources.forEach(src => {
            this.fIndSources.set(attr.id, src);
            console.log("fieldid: "+attr.id + "attr:" +src);
           });          

     });

   }

   public getFieldByKey(key){
      return this.fIndex.get(key);
   }






}