// $TheSupernovaDuo: yuuka,v master 2023/5/29 17:54:15 yakumo_izuru Exp $
package main

import (
	"fmt"
	"io"
	"log"
	"net/http"
	"os"
)
var (
	format = "?AT"
	url = "https://wttr.in"
)
func main() {
	if len(os.Args) == 1 {
		PrintUsage()
	}

	cmd := os.Args[1]

	switch cmd {
	case "forecast":
		ShowForecast()
	case "moon":
		ShowMoonPhases()
	}
}
func PrintUsage() {
	fmt.Println("Yuuka is a wttr.in client")
	fmt.Printf("\tforecast\tShow the current weather report according to your region\n")
	fmt.Printf("\tmoon\tShow the current phase of the Moon\n")
}
	
func ShowForecast() {
	query := url + format
	resp, err := http.Get(query)
	sanityCheck(err)
	defer resp.Body.Close()
	body, err := io.ReadAll(resp.Body)
	sanityCheck(err)
	fmt.Printf("%s", body)
}
func ShowMoonPhases() {
	query := url + "/Moon" + format
	resp, err := http.Get(query)
	sanityCheck(err)
	defer resp.Body.Close()
	body, err := io.ReadAll(resp.Body)
	sanityCheck(err)
	fmt.Printf("%s\n", body)
}
func sanityCheck(err error) {
	if err != nil {
		log.Fatal(err)
	}
}