AmorBot/plugin/baccarat/baccarat.go

package baccarat

import (
	"amor/common"
	redisrepo "amor/repository/redisRepo"
	"fmt"
	"strings"

	"github.com/notnil/joker/pkg/hand"
	"github.com/redis/rueidis"
	"github.com/shopspring/decimal"
	"github.com/spf13/cast"
	zero "github.com/wdvxdr1123/ZeroBot"
)

const (
	EntryMsgTemplate = "庄家手牌: %s\n闲家手牌: %s\n%s"
)

func Entry(ctx *zero.Ctx) {
	// bjl 100 庄/闲/和
	msg := strings.Split(ctx.Event.Message.String(), " ")
	if len(msg) != 3 {
		ctx.Send("命令格式错误")
		return
	}

	if ctx.Event.GroupID == 0 {
		ctx.Send("请在群聊中使用")
		return
	}

	betAmount := cast.ToInt64(msg[1])
	if betAmount <= 0 {
		ctx.Send("下注金额必须大于0")
		return
	}
	userBalance, err := redisrepo.GetUserBalance(ctx.Event.UserID)
	if err != nil {
		if err == rueidis.Nil {
			userBalance = common.Config.Game.Balance
			redisrepo.Register(ctx.Event.UserID)
		} else {
			ctx.Send("获取用户余额失败")
			return
		}
	}
	if userBalance < betAmount {
		ctx.Send("你的余额不足, 请重新下注")
		return
	}
	bet := msg[2]
	if bet != "庄" && bet != "闲" && bet != "和" {
		ctx.Send("下注类型错误")
		return
	}

	round := NewRound(betAmount)

	// 发牌, 顺序: 闲庄闲庄
	round.PlayerHand = append(round.PlayerHand, round.Deck.Pop())
	round.DealerHand = append(round.DealerHand, round.Deck.Pop())
	round.PlayerHand = append(round.PlayerHand, round.Deck.Pop())
	round.DealerHand = append(round.DealerHand, round.Deck.Pop())

	// 计算点数
	playerPoint := CalculateCardPoint(round.PlayerHand)
	dealerPoint := CalculateCardPoint(round.DealerHand)

	result := ""
	playerHaveThirdCard := false
	if playerPoint == 8 || playerPoint == 9 {
		result = "闲家例牌, 闲赢"
		redisrepo.AddUserBalance(ctx.Event.UserID, betAmount)
		ctx.Send(fmt.Sprintf(EntryMsgTemplate, round.DealerHand, round.PlayerHand, result))
		return
	}
	if playerPoint == 0 || playerPoint == 1 || playerPoint == 2 || playerPoint == 3 || playerPoint == 4 || playerPoint == 5 {
		if dealerPoint == 8 || dealerPoint == 9 {
			result = "庄家例牌, 庄赢"
			redisrepo.SubUserBalance(ctx.Event.UserID, betAmount)
			ctx.Send(fmt.Sprintf(EntryMsgTemplate, round.DealerHand, round.PlayerHand, result))
			return
		}
		if dealerPoint != 8 && dealerPoint != 9 {
			result = fmt.Sprintf("闲家%d点, 庄家%d点, 闲家补牌\n", playerPoint, dealerPoint)
			round.PlayerHand = append(round.PlayerHand, round.Deck.Pop())
			playerPoint = CalculateCardPoint(round.PlayerHand)
			playerHaveThirdCard = true
		}
	}

	if dealerPoint == 0 || dealerPoint == 1 || dealerPoint == 2 {
		result += fmt.Sprintf("庄家%d点, 庄家补牌\n", dealerPoint)
		round.DealerHand = append(round.DealerHand, round.Deck.Pop())
	}
	if dealerPoint == 3 && playerHaveThirdCard {
		if round.PlayerHand[2].String()[:1] != "8" {
			result += fmt.Sprintf("庄家%d点, 庄家补牌\n", dealerPoint)
			round.DealerHand = append(round.DealerHand, round.Deck.Pop())
		}
	}
	if dealerPoint == 4 && playerHaveThirdCard {
		playerThirdCard := round.PlayerHand[2].String()[:1]
		if playerThirdCard == "2" || playerThirdCard == "3" || playerThirdCard == "4" || playerThirdCard == "5" || playerThirdCard == "6" || playerThirdCard == "7" {
			result += fmt.Sprintf("庄家%d点, 庄家补牌\n", dealerPoint)
			round.DealerHand = append(round.DealerHand, round.Deck.Pop())
		}
	}
	if dealerPoint == 5 && playerHaveThirdCard {
		playerThirdCard := round.PlayerHand[2].String()[:1]
		if playerThirdCard == "4" || playerThirdCard == "5" || playerThirdCard == "6" || playerThirdCard == "7" {
			result += fmt.Sprintf("庄家%d点, 庄家补牌\n", dealerPoint)
			round.DealerHand = append(round.DealerHand, round.Deck.Pop())
		}
	}
	if dealerPoint == 6 && playerHaveThirdCard {
		playerThirdCard := round.PlayerHand[2].String()[:1]
		if playerThirdCard == "6" || playerThirdCard == "7" {
			result += fmt.Sprintf("庄家%d点, 庄家补牌\n", dealerPoint)
			round.DealerHand = append(round.DealerHand, round.Deck.Pop())
		}
	}

	dealerFinalPoint := CalculateCardPoint(round.DealerHand)
	playerFinalPoint := CalculateCardPoint(round.PlayerHand)

	if dealerFinalPoint > playerFinalPoint {
		result += "庄赢\n"
		if bet == "庄" {
			result += fmt.Sprintf("恭喜你赢得了本局游戏, 你赢得了%d", round.Bet)
			// 庄赢时, 闲家下注金额的5%作为佣金
			redisrepo.AddUserBalance(ctx.Event.UserID, decimal.NewFromInt(round.Bet).Mul(decimal.NewFromFloat(0.95)).IntPart())
		} else {
			result += "很遗憾, 你输了本局游戏"
			redisrepo.SubUserBalance(ctx.Event.UserID, betAmount)
		}
	}
	if dealerFinalPoint < playerFinalPoint {
		result += "闲赢\n"
		if bet == "闲" {
			result += fmt.Sprintf("恭喜你赢得了本局游戏, 你赢得了%d", round.Bet)
			redisrepo.AddUserBalance(ctx.Event.UserID, betAmount)
		} else {
			result += "很遗憾, 你输了本局游戏"
			redisrepo.SubUserBalance(ctx.Event.UserID, betAmount)
		}
	}
	if dealerFinalPoint == playerFinalPoint {
		result += "平局\n"
		if bet == "和" {
			result += fmt.Sprintf("恭喜你赢得了本局游戏, 你赢得了%d", decimal.NewFromInt(round.Bet).Mul(decimal.NewFromInt(8)).IntPart())
			redisrepo.AddUserBalance(ctx.Event.UserID, decimal.NewFromInt(round.Bet).Mul(decimal.NewFromInt(8)).IntPart())
		} else {
			result += "很遗憾, 你输了本局游戏"
			redisrepo.SubUserBalance(ctx.Event.UserID, betAmount)
		}
	}
}

func CalculateCardPoint(cards []hand.Card) (point int) {
	for _, card := range cards {
		cardStr := card.String()[:1]
		point += ScoreMap()[cardStr]
	}
	point %= 10
	return
}

func ScoreMap() map[string]int {
	return map[string]int{
		"T": 0,
		"J": 0,
		"Q": 0,
		"K": 0,
		"A": 1,
		"2": 2,
		"3": 3,
		"4": 4,
		"5": 5,
		"6": 6,
		"7": 7,
		"8": 8,
		"9": 9,
	}
}