package config

import (
	"regexp"

	"golang.org/x/crypto/bcrypt"
)

func isBcrypt(s string) bool {
	b, err := regexp.MatchString(`^\$2[ayb]\$.{56}$`, s)
	if err != nil {
		return false
	}
	return b
}

// CheckPassword compares given password p with the admin password
func (c *Config) CheckPassword(p string) bool {
	ap := c.AdminPassword()

	if isBcrypt(ap) {
		err := bcrypt.CompareHashAndPassword([]byte(ap), []byte(p))
		return err == nil
	}

	return ap == p
}