package main

import (
	"flag"
	"fmt"
	"math/rand"
	"sort"
	"time"
)


const (
	RedMax = 33
	BlueMax = 16
)

func randRate(){
	rand.Seed(time.Now().UnixNano())
	rate := rand.Intn(100) + 1
	fmt.Printf("\t (中奖概率%d%%)", rate)
}

func randBall(max int)int{
	rand.Seed(time.Now().UnixNano())
	return rand.Intn(max) + 1
}

func isIn(list []int, item int )bool{
	for _, i := range list{
		if i == item {
			return true
		}
	}
	return false
}

func randDoubleBall(){
	balls := []int{}
	for i := 0; i < 6;{
		ball := randBall(RedMax)
		if isIn(balls, ball) {
			continue
		}
		i++
		balls = append(balls, ball)
	}
	sort.Ints(balls)
	blueball := randBall(BlueMax)
	for _, ball := range balls {
		fmt.Printf("\033[1;31;40m%d\033[0m \t", ball)
	}
	fmt.Printf("\033[1;34;40m%d\033[0m \t", blueball)
	randRate()
	fmt.Println("")
}

func main(){
	var groups int
	flag.IntVar(&groups, "g", 1, "注数")
	flag.Parse()
	if groups < 0 {
		groups = 1
	}
	fmt.Printf("为您选取了 %d 注随机双色球，祝君中奖！\n", groups)
	for i := 0; i < groups; i++ {
		randDoubleBall()
	}
}