package utils

import (
	"strconv"
	"time"

	"github.com/dgrijalva/jwt-go"
	"golang.org/x/crypto/bcrypt"
)

func Encrypt(s string) (string, error) {
	b, err := bcrypt.GenerateFromPassword([]byte(s), bcrypt.DefaultCost)
	if err != nil {
		return "", err
	}

	return string(b), nil
}

func CheckHash(hash, password string) bool {
	return bcrypt.CompareHashAndPassword([]byte(hash), []byte(password)) == nil
}

func GenerateToken(userID int, secret string) (string, error) {
	token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
		"userID": strconv.Itoa(userID),
	})

	return token.SignedString([]byte(secret))
}

func Millis(t time.Time) int {
	return int(t.UnixNano() / 1000000)
}