db

type DB interface {
	// URL returns the full URL of the given short link
	URL(short string) (u URL, err error)

	// RandomURL generates a random short URL
	RandomURL(userID uuid.UUID, url string) (u URL, err error)
	// NamedURL creates a short URL with the given name
	NamedURL(userID uuid.UUID, short, url string) (u URL, err error)

	// User returns the user with the given UUID.
	User(id uuid.UUID) (u User, err error)
	// CreateUser creates a user with the given username
	CreateUser(name string) (u User, token string, err error)
	// ValidateToken validates the given token
	ValidateToken(token string) (u *User, valid bool, err error)
	// RegenerateToken generates a new token
	RegenerateToken(id uuid.UUID) (token string, err error)
}

type URL struct {
	ID uuid.UUID `json:"id"`

	// The short URL
	Short string `json:"short"`
	// The full URL to redirect to
	URL string `json:"url"`

	// The user that created this short URL
	User User `json:"user"`

	// The time this URL expires and is removed from the database, nil if it doesn't expire.
	Expires *time.Time `json:"expires,omitempty"`
}

type User struct {
	ID       uuid.UUID `json:"id"`
	Username string    `json:"username"`
}