export enum Index {
  Joker,
  One,
  Two,
  Three,
  Four,
  Five,
  Six,
  Seven,
  Eight,
  Nine,
  Ten,
  Jack,
  Queen,
  King,
  Ace
}
export enum Suit {
  Diamond,
  Club,
  Heart,
  Spade
}

export default class Card {
  index: Index
  suit: Suit

  constructor(index: Index, suit: Suit) {
    this.index = index
    this.suit = suit
  }

  // 000, 001, 010...
  get decimalIndex() {
    const base = 2
    const digits = 3
    return this
      .index
      .toString(base)
      .padStart(digits, '0')
  }

  // 00, 01, 10, 11
  get decimalSuit() {
    const base = 2
    const digits = 2
    return this
      .suit
      .toString(base)
      .padStart(digits, '0')
  }

  get pretty() {
    return `${this.prettyIndex} of ${this.prettySuit}`
  }

  get prettyIndex() {
    return [
      'Joker',
      'One',
      'Two',
      'Three',
      'Four',
      'Five',
      'Six',
      'Seven',
      'Eight',
      'Nine',
      'Ten',
      'Jack',
      'Queen',
      'King',
      'Ace'
    ][this.index]
  }

  get prettySuit() {
    return ['♦', '♣', '♥', '♠'][this.suit]
  }
}