Refactor switch-theme script

scripts/.local/share/scripts/switch-theme

@@ -8,20 +8,24 @@ fi
 
 mode=$1
 
+change_theme() {
+	sed -i "s/iceberg_$1/iceberg_$2/" ~/.config/kitty/kitty.conf
+	sed -i "s/bg=$1/bg=$2/" ~/.config/nvim/init.vim
+	sed -i "s/iceberg_$1/iceberg_$2/" ~/.dotfiles/tmux/.tmux.conf
+}
+
+reload_kitty() {
+	pkill kitty
+	tmux source-file ~/.tmux.conf
+	kitty --class tmux tmux a
+}
+
 if [ "$mode" = "light" ]; then
 	emacsclient --eval "(load-theme 'doom-nord-light 'no-confirm)"
-	sed -i "s/iceberg_dark/iceberg_light/" ~/.config/kitty/kitty.conf
+	change_theme dark light
-	sed -i "s/bg=dark/bg=light/" ~/.config/nvim/init.vim
+	reload_kitty
-	sed -i "s/iceberg_dark/iceberg_light/" ~/.dotfiles/tmux/.tmux.conf
-	pkill kitty
-	tmux source-file ~/.tmux.conf
-	kitty --class tmux tmux a
 else
 	emacsclient --eval "(load-theme 'doom-nord 'no-confirm)"
-	sed -i "s/iceberg_light/iceberg_dark/" ~/.config/kitty/kitty.conf
+	change_theme light dark
-	sed -i "s/bg=light/bg=dark/" ~/.config/nvim/init.vim
+	reload_kitty
-	sed -i "s/iceberg_light/iceberg_dark/" ~/.dotfiles/tmux/.tmux.conf
-	pkill kitty
-	tmux source-file ~/.tmux.conf
-	kitty --class tmux tmux a
 fi