package notifications

import "bytes"

// SplitSubN splits a string into a list of string with each having
// a maximum number of characters n
func SplitSubN(s string, n int) []string {
	sub := ""
	subs := []string{}

	runes := bytes.Runes([]byte(s))
	l := len(runes)
	for i, r := range runes {
		sub = sub + string(r)
		if (i+1)%n == 0 {
			subs = append(subs, sub)
			sub = ""
		} else if (i + 1) == l {
			subs = append(subs, sub)
		}
	}

	return subs
}