design and impl BaseServiceRequest

internal/services/builder.go

@@ -3,9 +3,30 @@ package services
 import (
 	"context"
 
+	"github.com/saml-dev/gome-assistant/internal/http"
 	"nhooyr.io/websocket"
 )
 
-func BuildService[T Light | HomeAssistant](conn *websocket.Conn, ctx context.Context) *T {
-	return &T{conn: conn, ctx: ctx}
+func BuildService[T Light | HomeAssistant](conn *websocket.Conn, ctx context.Context, httpClient *http.HttpClient) *T {
+	return &T{conn: conn, ctx: ctx, httpClient: httpClient}
+}
+
+type BaseServiceRequest struct {
+	Id          int            `json:"id"`
+	RequestType string         `json:"type"` // hardcoded "call_service"
+	Domain      string         `json:"domain"`
+	Service     string         `json:"service"`
+	ServiceData map[string]any `json:"service_data,omitempty"`
+	Target      struct {
+		EntityId string `json:"entity_id"`
+	} `json:"target"`
+}
+
+func NewBaseServiceRequest(entityId string) BaseServiceRequest {
+	bsr := BaseServiceRequest{
+		Id:          10,
+		RequestType: "call_service",
+	}
+	bsr.Target.EntityId = entityId
+	return bsr
 }

internal/services/homeassistant.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/saml-dev/gome-assistant/internal/http"
+	ws "github.com/saml-dev/gome-assistant/internal/websocket"
 	"nhooyr.io/websocket"
 )
 
@@ -13,6 +14,26 @@ type HomeAssistant struct {
 	httpClient *http.HttpClient
 }
 
-// TODO: design how much reuse I can get between request types. E.g.
-// only difference between light.turnon and homeassistant.turnon is
-// domain and extra data
+func (ha *HomeAssistant) TurnOn(entityId string) {
+	req := NewBaseServiceRequest(entityId)
+	req.Domain = "homeassistant"
+	req.Service = "turn_on"
+
+	ws.WriteMessage(req, ha.conn, ha.ctx)
+}
+
+func (ha *HomeAssistant) TurnOff(entityId string) {
+	req := NewBaseServiceRequest(entityId)
+	req.Domain = "homeassistant"
+	req.Service = "turn_off"
+
+	ws.WriteMessage(req, ha.conn, ha.ctx)
+}
+
+func (ha *HomeAssistant) Toggle(entityId string) {
+	req := NewBaseServiceRequest(entityId)
+	req.Domain = "homeassistant"
+	req.Service = "toggle"
+
+	ws.WriteMessage(req, ha.conn, ha.ctx)
+}