Adds icons to notify hour script

.config/scripts/NotifyHour.sh

@@ -1,8 +1,44 @@
 #!/bin/env sh
 
-currentHour=$(date +"%H")
+ICON_PATH="$HOME/.local/share/icons/hicolor/512x512/apps"
 
-notify-send --icon "amarok_clock" \
+ICON_MAP=(
+  0 6 ${ICON_PATH}/time_moon.png
+  6 10 ${ICON_PATH}/time_moon_to_sun.png
+  10 18 ${ICON_PATH}/time_sun.png
+  18 22 ${ICON_PATH}/time_sun_to_moon.png
+  22 24 ${ICON_PATH}/time_moon.png
+)
+
+HOUR=$(date +"%H")
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    --time)
+      HOUR="$2"
+      shift # past argument
+      shift # past value
+      ;;
+  esac
+done
+
+icon="amarok_clock"
+length=${#ICON_MAP[@]}
+for (( i=0; i<length; i += 3 ));
+do
+  if [[ $HOUR -lt ${ICON_MAP[$i]} ]] then
+    continue
+  fi
+
+  if [[ $HOUR -ge "${ICON_MAP[$i+1]}" ]] then
+    continue
+  fi
+
+  icon="${ICON_MAP[$i+2]}"
+  break
+done
+
+notify-send --icon "${icon}" \
   --app-name="Current Hour" \
   "Ding Dong..." \
-  "It's currently: ${currentHour}:00"
+  "It's currently: ${HOUR}:00"