package util

import (
	"math/rand"
	"strconv"
	"time"
)

const (
	Filler = "0000000000"
)

func GetRandomString(l int) string {
	str := "0123456789abcdefghijklmnopqrstuvwxyz"
	bytes := []byte(str)
	var result []byte
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for i := 0; i < l; i++ {
		result = append(result, bytes[r.Intn(len(bytes))])
	}
	return string(result)
}

func MoneySmallestCurrency(amount float64, currency string) string {
	var result string
	switch currency {
	case "USD", "PHP", "IDR", "THB", "HKD", "MYR", "CNY", "BDT", "PKR", "TWD", "JPY":
		result = strconv.FormatFloat(amount*100, 'f', 0, 64)
	case "KRW":
		result = strconv.FormatFloat(amount, 'f', 0, 64)
	}
	return result
}