card_id/cmd/cli/main.go

package main

import (
	"fmt"
	"log"
	"os"
	"strconv"
	"strings"

	"git.tuxpa.in/a/card_id/common/game"
	"git.tuxpa.in/a/card_id/common/game/card"
)

func main() {
	deal, err := card.NewDealer().ReadFromRoot(os.Getenv("CARD_DATA_DIR"))
	if err != nil {
		log.Panicln(err)
	}

	g := game.Game{Dealer: deal, Lives: 3}

	trial := g.CreateTrial(3, 1)
	for {
		if trial != nil {
			if trial.CheckSelection() {
				fmt.Print("\n match found!!!")
			}
		}
		fmt.Printf("\ncardid > ")
		var args [4]string
		alen, _ := fmt.Scanln(&args[0], &args[1], &args[2], &args[3])
		if alen < 0 {
			continue
		}
		if strings.HasPrefix(args[0], "c") {
			args[1] = string(strip([]byte(args[0])))
			args[0] = "c"
			alen = 2
		}
		switch args[0] {
		case "help":
			fmt.Printf("show, select, update")
		case "show":
			fmt.Printf("current hand:\n %+v", trial.Show())
		case "select", "sel", "c":
			if alen > 1 {
				num, _ := strconv.Atoi(args[1])
				cd, err := trial.SelectCard(num)
				if err != nil {
					log.Println(err)
				}
				if cd.Id > 0 {
					msg := fmt.Sprintf(`
card %d was %s  | lives: %d
current hand:
%s`, num, cd.Name, trial.Lives, trial.ShowString())
					fmt.Printf(msg)
				}
			} else {
				trial.SelectCard(0)
			}
		case "debug":
			fmt.Println(trial)
		case "exit", "quit", "q":
			os.Exit(0)
		}
	}
}
func strip(s []byte) []byte {
	n := 0
	for _, b := range s {
		if ('0' <= b && b <= '9') ||
			b == ' ' {
			s[n] = b
			n++
		}
	}
	return s[:n]
}