package bot

//import "github.com/kr/pretty"
import (
	"fmt"
	"github.com/rs/zerolog/log"
	"io/ioutil"
	"net/http"
	"os"
	"regexp"
	"time"
)

func (b *Bot) HandleWeatherRequest(channelid string, postid string, message string) {

	// we are using a very bare image with no CA cert bundle
	// actually if you docker bind mount the ca cert bundle in the right
	// place, golang will find it and use it.
	//http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}

	log.Info().Msgf("weather request received: `%s`", message)

	r := regexp.MustCompile(`metar\s+([A-Za-z]{4})`)
	matches := r.FindStringSubmatch(message)
	if len(matches) < 2 {
		b.SendMsgToChannel("error, sorry", postid, channelid)
	}

	loc := matches[1]

	token := os.Getenv("METAR_API_TOKEN")
	url := fmt.Sprintf("https://avwx.rest/api/metar/%s?options=&airport=true&reporting=true&format=json&onfail=cache", loc)

	log.Info().Msgf("calculated url: `%s`", url)

	client := http.Client{
		Timeout: 5 * time.Second,
	}
	req, err := http.NewRequest("GET", url, nil)
	req.Header.Add("Authorization", `Token `+token)
	resp, err := client.Do(req)

	if err != nil {
		b.SendMsgToChannel(fmt.Sprintf("weather fetch error: %s", err), postid, channelid)
		return
	}

	if resp.StatusCode != http.StatusOK {
		b.SendMsgToChannel(fmt.Sprintf("weather fetch error: http status %d", resp.StatusCode), postid, channelid)
		return
	}

	data, _ := ioutil.ReadAll(resp.Body)

	log.Info().Msgf("weather %s: %s", loc, data)
	b.SendMsgToChannel(fmt.Sprintf("weather %s: %s", loc, data), postid, channelid)

}