auth

type Browser interface {
	OpenURL(string) error
}

type Exchanger struct {
	HTTPClient *http.Client
	TokenURL   string
	Now        func() time.Time
}

type FileStore struct {
	Path string
}

type LoginInput struct {
	ClientID     string
	ClientSecret string
	RedirectURL  string
}

type OAuthConfig struct {
	ClientID     string
	ClientSecret string
	RedirectURL  string
}

type Service struct {
	AuthorizeURL string
	ClientID     string
	Exchanger    Exchanger
	Store        TokenStore
	Browser      Browser
	In           io.Reader
	Out          io.Writer
	StateSource  func() string
	Now          func() time.Time
	RefreshSkew  time.Duration
	Listen       func(network, address string) (net.Listener, error)
}

type Status struct {
	Authenticated    bool
	HasRefresh       bool
	ExpiryKnown      bool
	ExpiresAtUnix    int64
	ExpiresInSeconds int64
	Expired          bool
}

type Token struct {
	AccessToken   string `json:"access_token"`
	RefreshToken  string `json:"refresh_token"`
	TokenType     string `json:"token_type"`
	Scope         string `json:"scope"`
	ExpiresIn     int64  `json:"expires_in,omitempty"`
	CreatedAtUnix int64  `json:"created_at,omitempty"`
	ExpiresAtUnix int64  `json:"expires_at,omitempty"`
}

type TokenStore interface {
	SaveToken(Token) error
	LoadToken() (Token, error)
	DeleteToken() error
	SaveClientSecret(string) error
	LoadClientSecret() (string, error)
	DeleteClientSecret() error
}