const axios = require("axios");

class MalojaScrobbler {
  #config = null;
  #counter = 0;

  constructor(config) {
    this.#config = config;

    if (!config.name)
      throw new Error("Invalid name for Maloja scrobber.");
    if (!config.url)
      throw new Error(`Invalid url for Maloja scrobbler '${this.name}'.`);
    if (!config.token)
      throw new Error(`Invalid token for Maloja scrobbler '${this.name}'.`)
  }

  get counter() {
    return this.#counter;
  }

  get name() {
    return this.#config.name;
  }

  async scrobble(song, duration, start) {
    const url = new URL(this.#config.url);
    url.pathname += "/apis/mlj_1/newscrobble";
    url.search = "?key=" + this.#config.token;
    await axios.post(url.toString(), {
      title: song.name,
      album: song.album,
      artists: song.artists,
      duration: Math.round(duration / 1000),
      length: Math.round(song.duration / 1000),
      time: Math.round(start / 1000)
    });

    this.#counter++;
  }
}

module.exports = MalojaScrobbler;