package bot

import (
	"git.kill0.net/chill9/beepboop/lib"

	"github.com/bwmarrin/discordgo"
	log "github.com/sirupsen/logrus"
)

const (
	Bullets         = 1
	GunFireMessage  = "💀🔫"
	GunClickMessage = "😌🔫"
)

type (
	Gun struct {
		C [6]bool
		N int
	}
)

var (
	gun *Gun
)

func init() {
	gun = NewGun()
}

func NewGun() *Gun {
	return new(Gun)
}

func (g *Gun) Load(n int) {
	g.N = 0
	for i := 1; i <= n; {
		x := lib.RandInt(0, len(g.C)-1)
		if !g.C[x] {
			g.C[x] = true
			i++
		} else {
			continue
		}
	}
}

func (g *Gun) Fire() bool {
	if g.C[g.N] {
		g.C[g.N] = false
		g.N++
		return true
	}

	g.N++
	return false
}

func (g *Gun) IsEmpty() bool {
	for _, v := range g.C {
		if v {
			return false
		}
	}

	return true
}

func (b *Bot) RouletteCommand() CommandFunc {
	return func(args []string, m *discordgo.MessageCreate) error {
		if gun.IsEmpty() {
			gun.Load(Bullets)
			log.Debugf("reloading gun: %+v\n", gun)
		}

		log.Debugf("firing gun: %+v\n", gun)
		if gun.Fire() {
			b.Session.ChannelMessageSend(m.ChannelID, GunFireMessage)
		} else {
			b.Session.ChannelMessageSend(m.ChannelID, GunClickMessage)
		}
		return nil
	}
}