package gamelogic

import (
	"fmt"
	"runtime/debug"

	"bet24.com/log"
)

const (
	CardType_Diamond = iota
	CardType_Club
	CardType_Heart
	CardType_Spade
	CardType_Invalid
)

const (
	CardValueJ = iota
	CardValueQ
	CardValueK
	CardValueA
)

const (
	CARD_COUNT      = 16 // 牌数量
	HOLD_CARD_COUNT = 4  // 手牌数量
)

var type_desc = []string{"♦", "♣", "♥", "♠", ""}
var value_desc = []string{"J", "Q", "K", "A"}

func isValidCard(card int) bool {
	return card >= 0 && card < CARD_COUNT
}

func getCardHex(card int) string {
	if !isValidCard(card) {
		return "n/a"
	}

	return fmt.Sprintf("%s%s", type_desc[getCardType(card)], value_desc[getCardValue(card)])
}

func getCardsHex(cards []int) string {
	ret := "["
	for _, v := range cards {
		ret += getCardHex(v)
		ret += " "
	}
	ret += "]"
	return ret
}

func getCardType(card int) int {
	if !isValidCard(card) {
		log.Debug("%s", debug.Stack())
		return CardType_Invalid
	}

	return card / 4
}

func getCardValue(card int) int {
	if !isValidCard(card) {
		log.Debug("%s", debug.Stack())
		return -1
	}
	return card % 4
}