112 lines
2.2 KiB
Go
112 lines
2.2 KiB
Go
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package handler
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import (
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"errors"
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"fmt"
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"math/rand"
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"strconv"
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"strings"
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"git.kill0.net/chill9/beepboop/bot"
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"git.kill0.net/chill9/beepboop/lib"
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"github.com/bwmarrin/discordgo"
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log "github.com/sirupsen/logrus"
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)
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type (
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DealHandler struct {
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config bot.Config
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Name string
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}
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Card string
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Deck [52]Card
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)
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var deck Deck = Deck{
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"2♣", "3♣", "4♣", "5♣", "6♣", "7♣", "8♣", "9♣", "10♣", "J♣", "Q♣", "K♣", "A♣",
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"2♦", "3♦", "4♦", "5♦", "6♦", "7♦", "8♦", "9♦", "10♦", "J♦", "Q♦", "K♦", "A♦",
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"2♥", "3♥", "4♥", "5♥", "6♥", "7♥", "8♥", "9♥", "10♥", "J♥", "Q♥", "K♥", "A♥",
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"2♠", "3♠", "4♠", "5♠", "6♠", "7♠", "8♠", "9♠", "10♠", "J♠", "Q♠", "K♠", "A♠",
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}
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func (d *Deck) Deal(n int) ([]Card, error) {
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var (
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hand []Card
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err error
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)
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if n < 1 {
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err = errors.New("number cannot be less than 1")
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return hand, err
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}
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if n > len(d) {
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err = errors.New("number is greater than cards in the deck")
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return hand, err
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}
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hand = deck[0:n]
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return hand, err
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}
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func NewDealHandler(s string) *DealHandler {
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h := new(DealHandler)
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h.Name = s
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return h
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}
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func (h *DealHandler) SetConfig(config bot.Config) {
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h.config = config
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}
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func (h *DealHandler) Handle(s *discordgo.Session, m *discordgo.MessageCreate) {
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if m.Author.ID == s.State.User.ID {
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return
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}
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if !lib.HasCommand(m.Content, h.config.Prefix, h.Name) {
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return
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}
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rand.Shuffle(len(deck), func(i, j int) {
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deck[i], deck[j] = deck[j], deck[i]
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})
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log.Debugf("%+v", deck)
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_, args := lib.SplitCommandAndArgs(m.Content, h.config.Prefix)
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if len(args) != 1 {
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s.ChannelMessageSend(m.ChannelID, fmt.Sprintf("help: `!%s <n>`", h.Name))
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return
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}
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n, err := strconv.Atoi(args[0])
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if err != nil {
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log.Errorf("failed to convert string to int: %s", err)
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}
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hand, err := deck.Deal(n)
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if err != nil {
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s.ChannelMessageSend(m.ChannelID, fmt.Sprintf("error: %s\n", err))
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return
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}
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s.ChannelMessageSend(m.ChannelID, JoinCards(hand, " "))
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}
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func JoinCards(h []Card, sep string) string {
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var b []string
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b = make([]string, len(h))
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for i, v := range h {
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b[i] = string(v)
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}
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return strings.Join(b, sep)
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}
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