texas_hold.go

package main

import (
	"fmt"
	"bytes"
	"math/rand"
	"time"
)


func shuffle(arr []string) {
	t := time.Now()
	rand.Seed(int64(t.Nanosecond()))

	for i := len(arr) - 1; i > 0; i-- {
		j := rand.Intn(i)
		arr[i], arr[j] = arr[j], arr[i]
	}
}

func deal(arr *[]string, numberCards int) []string {
	newArr := *arr
	card := newArr[len(newArr)-numberCards:]
	*arr = newArr[:len(newArr)-numberCards]

	return card
}


func main() {
	values := []string{"Ace", "2", "3", "4", "5", "6", "7", "8", "9", "10", "Jack", "Queen", "King"}
	suits := []string{"Clubs", "Diamonds", "Hearts", "Spades"}
	cards := []string{}


	for suit := range suits {
		for value := range values {
			var buffer bytes.Buffer
			buffer.WriteString(values[value] + " of " + suits[suit])

			card := buffer.String()
			cards = append(cards, card)
		}
	}

	shuffledCards := cards
	shuffle(shuffledCards)

	dealing := deal(&shuffledCards, 2)

	fmt.Println("Your hand: ", dealing[0], ",", dealing[1])

	fmt.Println("How many players (2-8):")
	n_players := 0
	fmt.Scanf("%d", &n_players)

	for i := 0; i < n_players; i++ {
		hand := deal(&shuffledCards, 2)
		fmt.Printf("CPU %d, %s, %s\n", i+1, hand[0], hand[1])
	}

	flop, turn, river := deal(&shuffledCards, 3), deal(&shuffledCards, 1), deal(&shuffledCards, 1)
	fmt.Printf("Flop: %s, %s, %s\n", flop[0], flop[1], flop[2])
	fmt.Printf("Turn: %s\n", turn[0])
	fmt.Printf("River: %s\n", river[0])

}