package users

import "errors"

type User struct {
	Id int `json:"id"`
	Name string `json:"name"`
}

var users []User

func initUsers() {
	users = make([]User, 0)
}

func getAllUsers() ([]User, error) {
	return users, nil
}

func getUserById(id int) (User, error) {
	if id > len(users) {
		return User{}, errors.New("User doesn't exist")
	}

	return users[id], nil
}

func insertuser(user User) error {
	if user.Name == "" {
		return errors.New("A name must be specified")
	}

	newUser := User{
		Id: len(users),
		Name: user.Name,
	}
	users = append(users, newUser)
	return nil
}