import { OntologyTreeNode } from 'ccf-database';

/**
 * Node type used by ontology tree component.
 */
export class FlatNode {
  visible?: boolean = true;

  opacity?: number = 20;

  numResults?: number;

  /**
   * Gets this node's label.
   */
  get label(): string {
    return this.original.label;
  }

  /**
   * Indicates whether this node has children.
   */
  get expandable(): boolean {
    return this.original.children.length > 0;
  }

  /**
   * Creates a flat node from a ontology node object and a level in the tree.
   *
   * @param original The original ontology node object.
   * @param level The level of the new flat node in the tree.
   * @returns The newly created flat node.
   */
  static create(original: OntologyTreeNode, level: number): FlatNode {
    return new FlatNode(original, level);
  }

  /**
   * Creates an instance of flat node.
   *
   * @param original The original ontology node object.
   * @param level The level of the new flat node in the tree.
   */
  constructor(
    readonly original: OntologyTreeNode,
    readonly level: number,
  ) {}
}