package models

import (
	"github.com/gisle/stufflog/slerrors"
	"golang.org/x/crypto/bcrypt"
	"net/http"
	"time"
)

// A User is a user.
type User struct {
	ID   string `json:"id"`
	Name string `json:"name"`
	Hash []byte `json:"-"`
}

func (user *User) SetPassword(password string) error {
	if len(password) < 6 {
		return &slerrors.SLError{Code: http.StatusBadRequest, Text: "Password is too short"}
	}

	hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
	if err != nil {
		return err
	}

	user.Hash = hash
	return nil
}

func (user *User) CheckPassword(password string) error {
	err := bcrypt.CompareHashAndPassword(user.Hash, []byte(password))
	if err != nil {
		return slerrors.LoginFailed()
	}

	return nil
}

type UserSession struct {
	ID      string    `json:"id"`
	UserID  string    `json:"userId"`
	Expires time.Time `json:"expires"`
}