import {MolfileHandler} from '@datagrok-libraries/chem-meta/src/parsing-utils/molfile-handler';
import {MolfileHandlerBase} from '@datagrok-libraries/chem-meta/src/parsing-utils/molfile-handler-base';

/** Extracts positions of vertices from pseudo-molfile (with
 * monomers being the vertices) generated by HELM Web Editor  */
export class GlobalMonomerPositionHandler {
  constructor(helmCoordinatesPseudoMolfile: string) {
    this.molfileHandler = MolfileHandler.getInstance(helmCoordinatesPseudoMolfile);
  }

  private molfileHandler: MolfileHandlerBase;

  get monomerSymbols(): string[] {
    return this.molfileHandler.atomTypes;
  }

  getMonomerShifts(monomerIdx: number): {x: number, y: number} {
    const x = this.molfileHandler.x[monomerIdx];
    const y = this.molfileHandler.y[monomerIdx];
    return {x, y};
  }
}