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use rand::{seq::SliceRandom, thread_rng};
use std::cmp::Ordering;
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub enum Rank {
Ace,
Two,
Three,
Four,
Five,
Six,
Seven,
Eight,
Nine,
Ten,
Jack,
Queen,
King,
}
pub const CARD_RANK_COUNT: usize = 13;
pub const ALL_RANKS: [Rank; CARD_RANK_COUNT] = [
Rank::Ace,
Rank::Two,
Rank::Three,
Rank::Four,
Rank::Five,
Rank::Six,
Rank::Seven,
Rank::Eight,
Rank::Nine,
Rank::Ten,
Rank::Jack,
Rank::Queen,
Rank::King,
];
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub enum Suit {
Clubs,
Diamonds,
Hearts,
Spades,
}
pub const ALL_SUITS: [Suit; 4] = [Suit::Clubs, Suit::Diamonds, Suit::Hearts, Suit::Spades];
#[derive(Debug, Copy, Clone)]
pub struct Card {
pub rank: Rank,
pub suit: Suit,
}
impl Card {
pub fn new(rank: Rank, suit: Suit) -> Self {
Card { rank, suit }
}
pub fn get_deck() -> Vec<Self> {
let mut deck = Vec::new();
for suit in ALL_SUITS.iter() {
for rank in ALL_RANKS.iter() {
deck.push(Card::new(*rank, *suit));
}
}
deck
}
pub fn get_suit(&self) -> Suit {
self.suit
}
pub fn get_rank(&self) -> Rank {
self.rank
}
}
impl Ord for Card {
fn cmp(&self, other: &Self) -> Ordering {
self.rank.cmp(&other.rank)
}
}
impl PartialOrd for Card {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl Eq for Card {}
impl PartialEq for Card {
fn eq(&self, other: &Self) -> bool {
self.rank == other.rank
}
}
pub trait Deck {
fn shuffle_deck(&mut self);
fn take_from_top(&mut self) -> Option<Card>;
fn push_to_bottom(&mut self, card: Card);
}
impl Deck for Vec<Card> {
fn shuffle_deck(&mut self) {
self.shuffle(&mut thread_rng())
}
fn take_from_top(&mut self) -> Option<Card> {
self.pop()
}
fn push_to_bottom(&mut self, card: Card) {
let len = self.len();
self.insert(len, card);
}
}