add SetState method

client.go

@@ -74,6 +74,20 @@ func (s *Client) SetState(selector string, state State) ([]Result, error) {
 	return res, nil
 }
 
+func (s *Client) SetStates(states States) ([]Result, error) {
+	j, err := json.Marshal(states)
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := s.Request("PUT", EndpointStates(), bytes.NewBuffer(j))
+	if err != nil {
+		return nil, err
+	}
+
+	return res, nil
+}
+
 func (s *Client) Toggle(selector string, duration float64) ([]Result, error) {
 	j, err := json.Marshal(&Toggle{Duration: duration})
 	if err != nil {

endpoints.go

@@ -17,6 +17,9 @@ var (
 	EndpointState = func(selector string) string {
 		return BuildURL(Endpoint, fmt.Sprintf("/lights/%s/state", selector))
 	}
+	EndpointStates = func() string {
+		return BuildURL(Endpoint, "/lights/states")
+	}
 	EndpointToggle = func(selector string) string {
 		return BuildURL(Endpoint, fmt.Sprintf("/lights/%s/toggle", selector))
 	}

structs.go

@@ -18,6 +18,16 @@ type (
 		Fast       bool    `json:"fast,omitempty"`
 	}
 
+	StateWithSelector struct {
+		State
+		Selector string `json:"selector"`
+	}
+
+	States struct {
+		States   []StateWithSelector `json:"states",omitempty`
+		Defaults State               `json:"defaults",omitempty`
+	}
+
 	Client struct {
 		token  string
 		Client *http.Client