first

internal/devices/webswitch/webswitch.go

@@ -0,0 +1,94 @@
+package webswitch
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+type Client struct {
+	host       string
+	httpClient *http.Client
+}
+
+type Status struct {
+	Relays []RelayState `json:"relays"`
+}
+
+type RelayState struct {
+	Number int  `json:"number"`
+	State  bool `json:"state"`
+}
+
+func New(host string) *Client {
+	return &Client{
+		host: host,
+		httpClient: &http.Client{
+			Timeout: 5 * time.Second,
+		},
+	}
+}
+
+func (c *Client) SetRelay(relay int, state bool) error {
+	if relay < 1 || relay > 5 {
+		return fmt.Errorf("relay number must be between 1 and 5")
+	}
+
+	action := "off"
+	if state {
+		action = "on"
+	}
+
+	url := fmt.Sprintf("http://%s/relaycontrol/%s/%d", c.host, action, relay)
+
+	resp, err := c.httpClient.Get(url)
+	if err != nil {
+		return fmt.Errorf("failed to control relay: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("unexpected status code %d: %s", resp.StatusCode, string(body))
+	}
+
+	return nil
+}
+
+func (c *Client) TurnOn(relay int) error {
+	return c.SetRelay(relay, true)
+}
+
+func (c *Client) TurnOff(relay int) error {
+	return c.SetRelay(relay, false)
+}
+
+func (c *Client) AllOn() error {
+	for i := 1; i <= 5; i++ {
+		if err := c.TurnOn(i); err != nil {
+			return fmt.Errorf("failed to turn on relay %d: %w", i, err)
+		}
+	}
+	return nil
+}
+
+func (c *Client) AllOff() error {
+	for i := 1; i <= 5; i++ {
+		if err := c.TurnOff(i); err != nil {
+			return fmt.Errorf("failed to turn off relay %d: %w", i, err)
+		}
+	}
+	return nil
+}
+
+// Ping checks if the device is reachable
+func (c *Client) Ping() error {
+	url := fmt.Sprintf("http://%s/", c.host)
+	resp, err := c.httpClient.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	return nil
+}