add initial hue group setup

Personal Light Bulb/31393132383041332d344138372d343636392d393643362d303634373934383736303034.entity

@@ -1 +0,0 @@
-{"Name":"191280A3-4A87-4669-96C6-064794876004","PublicKey":"oSLgMjcuMkZynqswmP9PSaNOkQvWgWvNKgOPWjLlVsw=","PrivateKey":null}

Personal Light Bulb/39343a61383a38303a39623a37323a3364.entity

@@ -1 +0,0 @@
-{"Name":"94:a8:80:9b:72:3d","PublicKey":"57Z/hKa1lyMTMPPwxWbYf9nGH/tVmXGBnPfMcswvh5U=","PrivateKey":"OWViYzNiZTk1YjI4ZDkzYTA5YzlkNjZiZjQ0ZmMyOWHntn+EprWXIxMw8/DFZth/2cYf+1WZcYGc98xyzC+HlQ=="}

Personal Light Bulb/configHash

@@ -1 +0,0 @@
-AŽèŠ<²ù¥‚çôè„

Personal Light Bulb/uuid

@@ -1 +0,0 @@
-94:a8:80:9b:72:3d

Personal Light Bulb/version

@@ -1 +0,0 @@
-1

groups.go

@@ -1,8 +1,21 @@
 package hue
 
+import "fmt"
+
+const groupsEndpoint = "/groups"
+
+// -------------------------------------------------------------
+// ~ Types
+// -------------------------------------------------------------
+
+// GroupType hue group type
 type GroupType int
 
+// RoomClasses in hue
+type RoomClasses int
+
 const (
+	// All is a group containing all devices cannot be created
 	All GroupType = iota
 	Luminaire
 	Lightsource
@@ -10,3 +23,121 @@ const (
 	Room
 	Entertainment
 )
+
+const (
+	LivingRoom RoomClasses = iota
+	Kitchen
+	Dining
+	Bedroom
+	KidsBedroom
+	Bathroom
+	Nursery
+	Recreation
+	Office
+	Gym
+	Hallway
+	Toilet
+	FrontDoor
+	Garage
+	Terrace
+	Garden
+	Driveway
+	Carport
+	Other
+)
+
+// Group hue type
+type Group struct {
+	Name     string     `json:"name"`
+	LightIDs []string   `json:"Lights"`
+	Type     string     `json:"type"`
+	Action   LightState `json:"action"`
+	Class    string     `json:"class,omitempty"`
+}
+
+// GroupCreateResponse is returned after a create group request
+type GroupCreateResponse struct {
+	Success struct {
+		ID string `json:"id"`
+	} `json:"success"`
+}
+
+// -------------------------------------------------------------
+// ~ String conversions
+// -------------------------------------------------------------
+
+func (g GroupType) String() string {
+	return [...]string{"0", "Luminaire", "Lightsource", "LightGroup", "Room", "Entertainment"}[g]
+}
+
+func (r RoomClasses) String() string {
+	return [...]string{
+		"Living room",
+		"Kitchen",
+		"Dining",
+		"Bedroom",
+		"Kids bedroom",
+		"Bathroom",
+		"Nursery",
+		"Recreation",
+		"Office",
+		"Gym",
+		"Hallway",
+		"Toilet",
+		"Front door",
+		"Garage",
+		"Terrace",
+		"Garden",
+		"Driveway",
+		"Carport",
+		"Other",
+	}[r]
+}
+
+// -------------------------------------------------------------
+// ~ Private methods
+// -------------------------------------------------------------
+
+// CreateGroup creates a new hue group. For rooms please use the CreateRoom call since it also needs a class
+func (b *Bridge) CreateGroup(name string, groupType GroupType, lights []string) (string, error) {
+	// perform some checks
+	if groupType != Lightsource && groupType != LightGroup && groupType != Entertainment {
+		return "", fmt.Errorf("only Lightsource, LightGroup or Entertainment type groups can be created, to create a room group please use CreateRoom (As of now other groups cannot be created manually)")
+	}
+
+	groupConfig := &Group{
+		LightIDs: lights,
+		Name:     name,
+		Type:     groupType.String(),
+	}
+	return b.createGroup(groupConfig)
+}
+
+// CreateRoom creates a new hue room.
+func (b *Bridge) CreateRoom(name string, class RoomClasses, lights []string) (string, error) {
+	groupConfig := &Group{
+		LightIDs: lights,
+		Name:     name,
+		Type:     Room.String(),
+		Class:    class.String(),
+	}
+	return b.createGroup(groupConfig)
+}
+
+// -------------------------------------------------------------
+// ~ Private methods
+// -------------------------------------------------------------
+
+func (b *Bridge) createGroup(group *Group) (string, error) {
+	res, errCreate := b.postToBridge(groupsEndpoint, group)
+	if errCreate != nil {
+		return "", errCreate
+	}
+
+	newGroups, ok := res.([]*GroupCreateResponse)
+	if ok && len(newGroups) == 1 {
+		return newGroups[0].Success.ID, nil
+	} else {
+		return "", fmt.Errorf("could not create group, bridge did not return new group id")
+	}
+}