Card class

class Card {
  /*
  id format: "suit-number"

  suit = h | s | c | d
  (hearts, spades, clubs and diamonds respectively)
  
  number = 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13
  Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen and King respectively
  */

  static possibleIDs = [
    "h-01", "h-02", "h-03", "h-04", "h-05", "h-06", "h-07", "h-08", "h-09", "h-10", "h-11", "h-12", "h-13",
    "s-01", "s-02", "s-03", "s-04", "s-05", "s-06", "s-07", "s-08", "s-09", "s-10", "s-11", "s-12", "s-13",
    "c-01", "c-02", "c-03", "c-04", "c-05", "c-06", "c-07", "c-08", "c-09", "c-10", "c-11", "c-12", "c-13",
    "d-01", "d-02", "d-03", "d-04", "d-05", "d-06", "d-07", "d-08", "d-09", "d-10", "d-11", "d-12", "d-13",
  ];

  #getRank(id) {
    if ([1, 11, 12, 13].includes(parseInt(id.slice(2)))) {
      switch (parseInt(id.slice(2))) {
        case 1:
          return "ace";
        case 11:
          return "jack";
        case 12:
          return "queen";
        case 13:
          return "king";
        default:
          throw new Error("Unknown error.");
      }
    }

    switch (parseInt(id.slice(2))) {
      case 2:
        return "two";
      case 3:
        return "three";
      case 4:
        return "four";
      case 5:
        return "five";
      case 6:
        return "six";
      case 7:
        return "seven";
      case 8:
        return "eight";
      case 9:
        return "nine";
      case 10:
        return "ten";
      default:
        throw new Error("Unknown error.");
    }
  }

  #getSuit(id) {
    switch (id.charAt(0)) {
      case "h":
        return "hearts";
      case "s":
        return "spades";
      case "c":
        return "clubs";
      case "d":
        return "diamonds";
      default:
        throw new Error("Unknown error.");
    }
  }

  #cap(s) {
    return s.charAt(0).toUpperCase() + s.slice(1);
  }

  constructor(id = "h-01", nice = true) {
    Object.freeze(Card.possibleIDs);

    if (typeof nice != "boolean") throw new Error('"nice" must be a boolean!');

    this.id = id.toLowerCase();
    if (!Card.possibleIDs.includes(this.id)) throw new Error(`Invalid card ID! Possible IDs are: ${Card.possibleIDs.join(', ')}`);

    this.suit = nice ? this.#cap(this.#getSuit(this.id)) : this.#getSuit(this.id);
    this.color = ['h', 'd'].includes(this.id.charAt(0)) ? `${nice ? 'Red' : 'red'}` : `${nice ? 'Black' : 'black'}`;
    this.rank = nice ? this.#cap(this.#getRank(this.id)) : this.#getRank(this.id);
    this.name = `${this.rank} of ${this.suit}`;
  }

  toString() {
    const r = `${['a', 'j', 'q', 'k'].includes(this.rank.charAt(0).toLowerCase()) ? this.rank.charAt(0) : parseInt(this.id.slice(2))}`;
    const s = `${this.id.charAt(0) === "h" ? "♥️" : this.id.charAt(0) === "s" ? "♠️" : this.id.charAt(0) === "c" ? "♣️" : "♦️"}`;
    return `${r}${s}`;
  }
}

module.exports = Card;