import {
  getStream,
  indexOf,
  renderAllProps,
  getStreamIndex,
  formatDuration,
} from "./util.mjs";
import { makeIDGen } from "./util.mjs";

const makeId = makeIDGen(1);
const producerIndexGen = makeIDGen(0);

export default class Producer {
  constructor(path) {
    this.path = path;
    this.index = producerIndexGen.next().value;
  }

  async toXML(fps) {
    const xml = (
      await $`melt ${
        this.path
      } -consumer xml ${`frame_rate_num=${fps}`} | htmlq producer`
    ).stdout;

    return xml.replace("producer0", `producer${this.index}`);
  }
}