import i18next from "i18next";
import { makeObservable, observable } from "mobx";
import { USER_ADDED_CATEGORY_ID } from "../../Core/addedByUser";
import CatalogSearchProviderMixin from "../../ModelMixins/SearchProviders/CatalogSearchProviderMixin";
import CommonStrata from "../Definition/CommonStrata";
import { BaseModel } from "../Definition/Model";
import CatalogSearchProvider from "../SearchProviders/CatalogSearchProvider";
import Terria from "../Terria";
import CatalogGroup from "./CatalogGroup";
import Group from "./Group";

const createUserAddedDataGroup = (terria: Terria) => {
  const userAddedDataGroup = new CatalogGroup(USER_ADDED_CATEGORY_ID, terria);
  const userAddedGroupName: string = i18next.t("core.userAddedData");
  userAddedDataGroup.setTrait(
    CommonStrata.definition,
    "name",
    userAddedGroupName
  );
  const userAddedGroupDescription: string = i18next.t(
    "models.catalog.userAddedDataGroup"
  );
  userAddedDataGroup.setTrait(
    CommonStrata.definition,
    "description",
    userAddedGroupDescription
  );
  return userAddedDataGroup;
};

export default class Catalog {
  @observable
  group: Group & BaseModel;

  @observable
  searchProvider: CatalogSearchProviderMixin.Instance | undefined;

  readonly terria: Terria;
  private _userAddedDataGroup: CatalogGroup;

  constructor(
    terria: Terria,
    options: { searchProvider?: CatalogSearchProviderMixin.Instance } = {}
  ) {
    makeObservable(this);
    this.terria = terria;
    if ("searchProvider" in options) {
      this.searchProvider = options.searchProvider;
    } else {
      this.searchProvider = new CatalogSearchProvider(
        "catalog-search-provider",
        terria
      );
    }

    this.group = new CatalogGroup("/", this.terria);
    this._userAddedDataGroup = createUserAddedDataGroup(this.terria);
    this.terria.addModel(this.group);
    this.terria.addModel(this._userAddedDataGroup);
  }

  destroy() {
    this.terria.removeModelReferences(this.group);
    this.terria.removeModelReferences(this._userAddedDataGroup);
  }

  get userAddedDataGroup(): CatalogGroup {
    return this._userAddedDataGroup;
  }
}