package bot

import (
	"fmt"

	"git.kill0.net/chill9/beepboop/lib/weather"

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

func (b *Bot) WeatherCommand() CommandFunc {
	return func(args []string, m *discordgo.MessageCreate) error {
		var (
			err error
			loc string
			w   weather.Weather
		)

		if len(args) != 1 {
			b.Session.ChannelMessageSend(m.ChannelID, "help: `!weather <CITY>,<STATE>,<COUNTRY>`")
			return nil
		}

		loc = args[0]

		if b.Config.OpenWeatherMapToken == "" {
			log.Error("OpenWeather token is not set")
			return nil
		}

		wc := weather.NewClient(b.Config.OpenWeatherMapToken)

		log.Debugf("weather requested for '%s'", loc)

		w, err = wc.Get(loc)
		if err != nil {
			log.Errorf("weather client error: %v", err)
			return nil
		}

		log.Debugf("weather returned for '%s': %+v", loc, w)

		b.Session.ChannelMessageSend(m.ChannelID, fmt.Sprintf(
			"%s (%.1f, %.1f) — C:%.1f F:%.1f K:%.1f",
			loc,
			w.Coord.Lat,
			w.Coord.Lon,
			w.Main.Temp.Celcius(),
			w.Main.Temp.Fahrenheit(),
			w.Main.Temp.Kelvin(),
		))

		return nil
	}
}