refactor: move http module into internal root, remove deprecated handling

internal/http.go

@@ -0,0 +1,74 @@
+// http is used to interact with the home assistant
+// REST API. Currently only used to retrieve state for
+// a single entity_id
+package internal
+
+import (
+	"errors"
+	"net/url"
+	"time"
+
+	"resty.dev/v3"
+)
+
+type HttpClient struct {
+	client *resty.Client
+}
+
+func NewHttpClient(url *url.URL, token string) *HttpClient {
+	// Shallow copy the URL to avoid modifying the original
+	u := *url
+	u.Path = "/api"
+	if u.Scheme == "ws" {
+		u.Scheme = "http"
+	}
+	if u.Scheme == "wss" {
+		u.Scheme = "https"
+	}
+
+	// Create resty client with configuration
+	client := resty.New().
+		SetBaseURL(u.String()).
+		SetHeader("Authorization", "Bearer "+token).
+		SetTimeout(30 * time.Second).
+		SetRetryCount(3).
+		SetRetryWaitTime(1 * time.Second).
+		SetRetryMaxWaitTime(5 * time.Second).
+		AddRetryConditions(func(r *resty.Response, err error) bool {
+			return err != nil || r.StatusCode() >= 500
+		})
+
+	return &HttpClient{
+		client: client,
+	}
+}
+
+func (c *HttpClient) GetState(entityId string) ([]byte, error) {
+	resp, err := c.client.R().
+		Get("/states/" + entityId)
+
+	if err != nil {
+		return nil, errors.New("Error making HTTP request: " + err.Error())
+	}
+
+	if resp.StatusCode() >= 400 {
+		return nil, errors.New("HTTP error: " + resp.Status() + " - " + string(resp.Bytes()))
+	}
+
+	return resp.Bytes(), nil
+}
+
+func (c *HttpClient) States() ([]byte, error) {
+	resp, err := c.client.R().
+		Get("/states")
+
+	if err != nil {
+		return nil, errors.New("Error making HTTP request: " + err.Error())
+	}
+
+	if resp.StatusCode() >= 400 {
+		return nil, errors.New("HTTP error: " + resp.Status() + " - " + string(resp.Bytes()))
+	}
+
+	return resp.Bytes(), nil
+}