#!/bin/sh

theme="dark"
oppositetheme="light"
gtktheme="Adwaita-dark"
wallpaper="$XDG_DATA_HOME/wallpapers/space-cat.jpg"
if [ "$1" = "light" ]; then
	theme="light"
	oppositetheme="dark"
	gtktheme="Adwaita"
	wallpaper="$XDG_DATA_HOME/wallpapers/abstract.jpg"
fi

rm "$HOME/.Xresources" && ln -s "$HOME/.Xresources.$theme" "$HOME/.Xresources" && xrdb -merge "$HOME/.Xresources"
echo "Net/ThemeName \"$gtktheme\"" > "$XDG_RUNTIME_DIR/xsettings"
ln -fs "$wallpaper" "$XDG_DATA_HOME/wallpapers/bg"
sed -i "s/background=$oppositetheme/background=$theme/" "$XDG_CONFIG_HOME/nvim/init.vim"
# https://shapeshed.com/vim-tmux-alacritty-theme-switcher/
tmux list-panes -a -F '#{pane_id} #{pane_current_command}' |
    grep vim |
    cut -d ' ' -f 1 |
    xargs -I PANE tmux send-keys -t PANE ESCAPE \
      ":set background=$theme" ENTER

setbg
pidof st | xargs kill -s USR1
pgrep xsettings && pkill xsettingsd
xsettingsd -c "$XDG_RUNTIME_DIR/xsettings" &
sysact "renew dwm"