Add websocket wifi updates

internal/wifi/events.go

@@ -0,0 +1,70 @@
+package wifi
+
+import (
+	"time"
+
+	"github.com/nemunaire/repeater/internal/models"
+)
+
+// WifiEvent represents a WiFi event to be sent over WebSocket
+type WifiEvent struct {
+	Type      string      `json:"type"`
+	Timestamp time.Time   `json:"timestamp"`
+	Data      interface{} `json:"data"`
+}
+
+// ScanUpdateData contains network list update information
+type ScanUpdateData struct {
+	Networks []models.WiFiNetwork `json:"networks"`
+}
+
+// StateChangeData contains connection state change information
+type StateChangeData struct {
+	State         string `json:"state"`
+	SSID          string `json:"ssid,omitempty"`
+	PreviousState string `json:"previous_state,omitempty"`
+}
+
+// SignalUpdateData contains signal strength update information
+type SignalUpdateData struct {
+	SSID   string `json:"ssid"`
+	Signal int    `json:"signal"` // 1-5 scale
+	DBm    int    `json:"dbm"`    // Raw dBm value
+}
+
+// NewScanUpdateEvent creates a new scan update event
+func NewScanUpdateEvent(networks []models.WiFiNetwork) WifiEvent {
+	return WifiEvent{
+		Type:      "scan_update",
+		Timestamp: time.Now(),
+		Data: ScanUpdateData{
+			Networks: networks,
+		},
+	}
+}
+
+// NewStateChangeEvent creates a new state change event
+func NewStateChangeEvent(state, ssid, previousState string) WifiEvent {
+	return WifiEvent{
+		Type:      "state_change",
+		Timestamp: time.Now(),
+		Data: StateChangeData{
+			State:         state,
+			SSID:          ssid,
+			PreviousState: previousState,
+		},
+	}
+}
+
+// NewSignalUpdateEvent creates a new signal update event
+func NewSignalUpdateEvent(ssid string, signal, dbm int) WifiEvent {
+	return WifiEvent{
+		Type:      "signal_update",
+		Timestamp: time.Now(),
+		Data: SignalUpdateData{
+			SSID:   ssid,
+			Signal: signal,
+			DBm:    dbm,
+		},
+	}
+}