Handle more battery states

.local/bin/print-status

@@ -20,12 +20,21 @@ fi
 
 battery=$(cat /sys/class/power_supply/BAT0/capacity)
 battery_state=$(cat /sys/class/power_supply/BAT0/status)
-battery_symbol="❔"
-if [ "${battery_state}" = "Charging" ]; then
-    battery_symbol="🗲"
-elif [ "${battery_state}" = "Discharging" ]; then
+case "${battery_state}" in
+    "Charging"|"Full"|"Not charging")
+        battery_symbol="🔌"
+        ;;
+    "Discharging")
+        if [ "${battery}" -lt 20 ]; then
+            battery_symbol="🪫"
+        else
             battery_symbol="🔋"
-fi
+        fi
+        ;;
+    *)
+        battery_symbol="❔"
+        ;;
+esac
 
 weather=$(cat /tmp/weather-report.txt)