package main

import (
	"bufio"
	"fmt"
	"log"
	"os"
	"strings"
	"sync"
)

func advancedMenu(wg *sync.WaitGroup, cfg *config) {

	var option string

	for option != "0" {

		fmt.Print("\nAdvanced Menu\n-------------\n\n")

		fmt.Println("1. Change units (Default: Fahrenheit)")
		fmt.Println("2. Enter precise location")
		fmt.Print("0. Back\n\n")

		reader := bufio.NewReader(os.Stdin)
		input, err := reader.ReadString('\n')
		if err != nil {
			log.Fatal(err)
		}

		option = strings.TrimSuffix(input, "\n")

		if option == "1" {
			current := cfg.Units
			if current == "F" {
				cfg.Units = "C"
			} else {
				cfg.Units = "F"
			}
			fmt.Printf("\nChanged units from %s to %s...\n\n", current, cfg.Units)
		} else if option == "2" {
			fmt.Print("Precise location selected...\n\n")
		}
	}
	wg.Done()
}