{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#| default_exp deck"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Deck\n",
    "> A deck of cards"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#| hide\n",
    "from nbdev.showdoc import *"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#| export\n",
    "from fastai_learning.card import *\n",
    "from fastcore.test import *\n",
    "from fastcore.utils import *\n",
    "from random import random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#|export\n",
    "class Deck:\n",
    "    def __init__(self):\n",
    "        self.cards = [Card(suit, rank) for suit in range(4) for rank in range(1, 14)]\n",
    "    def __str__(self):\n",
    "        return '|'.join([str(card) for card in self.cards])\n",
    "    def __len__(self):\n",
    "        return len(self.cards)\n",
    "    def __contains__(self, card):\n",
    "        return card in self.cards\n",
    "    __repr__ = __str__\n",
    "    def shuffle(self):\n",
    "        \"\"\"shuffles the cards in this deck\"\"\"\n",
    "        random.shuffle(self.cards)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "As a reminder, these are the ranks and suits:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": "['♦️', '♣️', '♥️', '♣️']"
     },
     "execution_count": null,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "suits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "deck = Deck()\n",
    "test_eq(len(deck), 52)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": "True"
     },
     "execution_count": null,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "Card(2, 2) in deck"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2♥️\n"
     ]
    }
   ],
   "source": [
    "print(Card(2, 2))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#| export\n",
    "@patch\n",
    "def pop(\n",
    "        self: Deck,\n",
    "        idx: int = -1 # index of card to remove, default to last card\n",
    "):\n",
    "    \"\"\"Remove one card from the deck\"\"\"\n",
    "    return self.cards.pop(idx)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "deck = Deck()\n",
    "test_eq(deck.pop(), Card(3, 13))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/markdown": "---\n\n### Deck.shuffle\n\n>      Deck.shuffle ()\n\nshuffles the cards in this deck",
      "text/plain": "---\n\n### Deck.shuffle\n\n>      Deck.shuffle ()\n\nshuffles the cards in this deck"
     },
     "execution_count": null,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "show_doc(Deck.shuffle)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "python3",
   "language": "python",
   "name": "python3"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 0
}