sb-internet: rewrite with nmcli

.local/libexec/statusbar/sb-internet

@@ -1,73 +1,62 @@
 #!/bin/sh
 
-# TODO: rewrite this with nmcli
-
 shift=""
 
-# Ethernet
-for if in /sys/class/net/*; do
-    [ "$(cat "$if/type")" = 1 ] || continue
-
-    ifname=$(basename "$if")
-
-    echo "$ifname" | grep -q \
-        -e "^br" \
-        -e "^docker" &&
-        continue
-
-    case "$(cat "$if/operstate")" in
-        up) eth_icon="󰱓" ;;
-        down) eth_icon="󰅛" ;;
-        *) eth_icon="󰛵" ;;
-    esac
-    printf "%b" "$shift$eth_icon $ifname"
-    shift=" "
-done
-
-# WLAN
-for if in /sys/class/net/*; do
-    eval "$(cat "$if/uevent")"
-
-    [ "$DEVTYPE" = "wlan" ] || continue
-    unset DEVTYPE
-
-    ifname=$(basename "$if")
-
-    if grep -vxq '0x\(1\|9\)003' "$if/flags"; then
-        wifi_icon="󰀞"
+wifi() {
+    if grep -vxq '0x\(1\|9\)003' "$info/flags"; then
+        icon="󰀞"
     else
-        case "$(cat "$if/operstate")" in
-            up)
-                percent=$(awk -v interface="$INTERFACE" '$1==interface {gsub(/[^0-9]/,"",$3); print $3}' /proc/net/wireless)
+        case "$state" in
+            connected)
+                percent=$(awk -v interface="$device:" '$1==interface {gsub(/[^0-9]/,"",$3); print $3}' /proc/net/wireless)
                 # shellcheck disable=SC2194
                 case 1 in
-                    $((percent >= 0))) wifi_icon="󰤯" ;;
-                    $((percent >= 20))) wifi_icon="󰤟" ;;
-                    $((percent >= 40))) wifi_icon="󰤢" ;;
-                    $((percent >= 60))) wifi_icon="󰤥" ;;
-                    $((percent >= 80))) wifi_icon="󰤨" ;;
+                    $((percent >= 80))) icon="󰤨" ;;
+                    $((percent >= 60))) icon="󰤥" ;;
+                    $((percent >= 40))) icon="󰤢" ;;
+                    $((percent >= 20))) icon="󰤟" ;;
+                    $((percent >= 0))) icon="󰤯" ;;
                 esac
                 ;;
-            down) wifi_icon="󰤮" ;;
-            *) wifi_icon="󰤫" ;;
+            disconnected) icon="󰤮" ;;
+            *) icon="󰤫" ;;
         esac
+        printf "%b" "$shift$icon $connection"
+        shift=" "
     fi
+}
 
-    printf "%b" "$shift$wifi_icon $ifname"
+wireguard() {
+    printf "%b" "$shift󰖂 $connection"
     shift=" "
-done
+}
 
-# Wireguard
-for if in /sys/class/net/*; do
-    eval "$(cat "$if/uevent")"
+ethernet() {
+    case "$state" in
+        connected) icon="󰱓" ;;
+        unavailable) icon="󰅛" ;;
+        disconnected) icon="󰲛" ;;
+        *) icon="󰛵" ;;
+    esac
 
-    [ "$DEVTYPE" = "wireguard" ] || continue
-    unset DEVTYPE
-
-    ifname=$(basename "$if")
-
-    printf "%b" "$shift󰖂 $ifname"
+    printf "%b" "$shift$icon"
     shift=" "
-done
+}
 
-printf "\n"
+fallback() {
+    :
+}
+
+for x in $(nmcli --terse device status); do
+    device="$(echo "$x" | cut -d: -f1)"
+    type="$(echo "$x" | cut -d: -f2)"
+    state="$(echo "$x" | cut -d: -f3)"
+    connection="$(echo "$x" | cut -d: -f4)"
+    info="/sys/class/net/${device}"
+
+    case "$type" in
+        wifi | wireguard | ethernet) $type ;;
+        *) fallback ;;
+    esac
+    unset device type state connection info icon
+done