/*
Copyright © 2023 Brian Buller <brian@bullercodeworks.com>
*/
package util

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func PromptUser(text string) string {
	var resp string
	fmt.Println(text)
	scanner := bufio.NewScanner(os.Stdin)
	if scanner.Scan() {
		resp = scanner.Text()
	}
	return resp
}

func PromptUserOptTrimmed(text string, def string) string {
	var resp string
	if def == "" {
		resp = strings.TrimSpace(PromptUser(text))
	} else {
		resp = strings.TrimSpace(PromptUser(fmt.Sprintf("%s [%s]:", text, def)))
		if resp == "" {
			resp = def
		}
	}
	for resp == "" {
		resp = strings.TrimSpace(PromptUser(text))
		if resp == "" {
			fmt.Println("Cannot be blank")
		}
	}
	return resp
}
func PromptUserTrimmed(text string) string {
	return PromptUserOptTrimmed(text, "")
}

func PromptUserInt(text string) int {
	var resp string
	var i int
	for resp == "" {
		resp = strings.TrimSpace(PromptUser(text))
		if resp == "" {
			fmt.Println("Cannot be blank")
		}
		var err error
		i, err = strconv.Atoi(resp)
		if err != nil {
			fmt.Println("Must be a number")
			resp = ""
		}
	}
	return i
}