package services

import (
	"errors"
	"zjmud.xyz/phyer/rbcp/models"
	"zjmud.xyz/phyer/rbcp/repositories"

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

func Authenticate(username, password string) (*models.User, error) {
	user, err := repositories.GetUserByUsername(username)
	if err != nil {
		return nil, errors.New("user not found")
	}

	if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password)); err != nil {
		return nil, errors.New("invalid password")
	}

	return user, nil
}

func CreateUser(user *models.User) error {
	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(user.Password), bcrypt.DefaultCost)
	if err != nil {
		return err
	}

	user.Password = string(hashedPassword)
	return repositories.CreateUser(user)
}