Return Service errors

Additionally, removed the context that gets passed into the Services but isn't used in one of them. The websockets APIs also don't have any use for context.

internal/services/light.go

@@ -1,8 +1,6 @@
 package services
 
 import (
-	"context"
-
 	ws "saml.dev/gome-assistant/internal/websocket"
 )
 
@@ -10,14 +8,13 @@ import (
 
 type Light struct {
 	conn *ws.WebsocketWriter
-	ctx  context.Context
 }
 
 /* Public API */
 
 // TurnOn a light entity. Takes an entityId and an optional
 // map that is translated into service_data.
-func (l Light) TurnOn(entityId string, serviceData ...map[string]any) {
+func (l Light) TurnOn(entityId string, serviceData ...map[string]any) error {
 	req := NewBaseServiceRequest(entityId)
 	req.Domain = "light"
 	req.Service = "turn_on"
@@ -25,12 +22,12 @@ func (l Light) TurnOn(entityId string, serviceData ...map[string]any) {
 		req.ServiceData = serviceData[0]
 	}
 
-	l.conn.WriteMessage(req, l.ctx)
+	return l.conn.WriteMessage(req)
 }
 
 // Toggle a light entity. Takes an entityId and an optional
 // map that is translated into service_data.
-func (l Light) Toggle(entityId string, serviceData ...map[string]any) {
+func (l Light) Toggle(entityId string, serviceData ...map[string]any) error {
 	req := NewBaseServiceRequest(entityId)
 	req.Domain = "light"
 	req.Service = "toggle"
@@ -38,12 +35,12 @@ func (l Light) Toggle(entityId string, serviceData ...map[string]any) {
 		req.ServiceData = serviceData[0]
 	}
 
-	l.conn.WriteMessage(req, l.ctx)
+	return l.conn.WriteMessage(req)
 }
 
-func (l Light) TurnOff(entityId string) {
+func (l Light) TurnOff(entityId string) error {
 	req := NewBaseServiceRequest(entityId)
 	req.Domain = "light"
 	req.Service = "turn_off"
-	l.conn.WriteMessage(req, l.ctx)
+	return l.conn.WriteMessage(req)
 }