import { simulate } from './solver';
import type { BeadSystem, Excitation, SimOptions } from './types';

export interface WorkerRequest {
  sys: BeadSystem;
  exc: Excitation;
  opt: SimOptions;
}

self.onmessage = (ev: MessageEvent<WorkerRequest>) => {
  const { sys, exc, opt } = ev.data;
  try {
    const result = simulate(sys, exc, opt, (f) => self.postMessage({ type: 'progress', fraction: f }));
    self.postMessage({ type: 'done', result }, {
      transfer: [result.audio.buffer, result.frames.buffer, result.frameTimes.buffer, result.energy.buffer, result.balance.buffer],
    });
  } catch (e) {
    self.postMessage({ type: 'error', message: String(e) });
  }
};