Migrate to a better architectured project

internal/hotspot/hotspot.go

@@ -0,0 +1,47 @@
+package hotspot
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+
+	"github.com/nemunaire/repeater/internal/models"
+)
+
+const (
+	AP_INTERFACE = "wlan1"
+	HOSTAPD_CONF = "/etc/hostapd/hostapd.conf"
+)
+
+// Configure updates the hotspot configuration
+func Configure(config models.HotspotConfig) error {
+	hostapdConfig := fmt.Sprintf(`interface=%s
+driver=nl80211
+ssid=%s
+hw_mode=g
+channel=%d
+wmm_enabled=0
+macaddr_acl=0
+auth_algs=1
+ignore_broadcast_ssid=0
+wpa=2
+wpa_passphrase=%s
+wpa_key_mgmt=WPA-PSK
+wpa_pairwise=TKIP
+rsn_pairwise=CCMP
+`, AP_INTERFACE, config.SSID, config.Channel, config.Password)
+
+	return os.WriteFile(HOSTAPD_CONF, []byte(hostapdConfig), 0644)
+}
+
+// Start starts the hotspot
+func Start() error {
+	cmd := exec.Command("systemctl", "start", "hostapd")
+	return cmd.Run()
+}
+
+// Stop stops the hotspot
+func Stop() error {
+	cmd := exec.Command("systemctl", "stop", "hostapd")
+	return cmd.Run()
+}