package util

import "regexp"

var (
	emailRegex = regexp.MustCompile(`^[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}$`)
	phoneRegex = regexp.MustCompile(`^\+?[1-9]\d{6,14}$`)
)

func IsValidEmail(email string) bool {
	return emailRegex.MatchString(email)
}

func IsValidPhone(phone string) bool {
	return phoneRegex.MatchString(phone)
}

func NormalizePage(page, pageSize int64) (int64, int64) {
	if page <= 0 {
		page = 1
	}
	if pageSize <= 0 {
		pageSize = 20
	}
	if pageSize > 100 {
		pageSize = 100
	}
	return page, pageSize
}