package utils

import (
	"strings"
	"unicode"
)

const (
	SaneLengthMax = 20
)

func RemoveSpacesFromStr(origin string) string {
	return strings.Map(func(r rune) rune {
		if unicode.IsSpace(r) {
			return -1
		}
		return r
	}, origin)
}

func StrInSlice(key string, sl []string) bool {
	for _, i := range sl {
		if key == i {
			return true
		}
	}
	return false
}

func RemoveFromSlice(key string, sl []string) []string {
	if !StrInSlice(key, sl) {
		return sl
	}
	resp := []string{}
	for _, el := range sl {
		if el != key {
			resp = append(resp, el)
		}
	}
	return resp
}

func IsInputSane(s string) bool {
	if len(s) > SaneLengthMax {
		return false
	}
	if strings.ContainsAny(s, "{}?!$&:/[]~") {
		return false
	}
	return true
}