package providers

import (
	"git.wenlab.co/joe/beaconfire"
	"github.com/bwmarrin/discordgo"
)

const (
	BEACON_NAME_DISCORD = "discord"
)

type OptionsDiscord struct {
	AuthToken string
	To        []string
}

type discord struct {
	opt *OptionsDiscord
}

var _ beaconfire.BeaconFire = &discord{}

func NewDiscord(opt *OptionsDiscord) *discord {
	return &discord{
		opt: opt,
	}
}

func (c discord) Name() string {
	return BEACON_NAME_DISCORD
}

func (c *discord) Send(bp *beaconfire.BeaconMessage) error {
	if len(c.opt.To) <= 0 {
		return beaconfire.ErrNoReceiver
	}

	discord, err := discordgo.New("Bot " + c.opt.AuthToken)
	if err != nil {
		return err
	}

	if err = discord.Open(); err != nil {
		return err
	}
	defer discord.Close()

	for _, channel := range c.opt.To {
		if _, err := discord.ChannelMessageSend(channel, bp.Content); err != nil {
			return err
		}
	}
	return nil
}