#!/bin/sh

# This script does the following:
#	Run by itself, set the wallpaper (at X start).
#	If given a file, set that as the new wallpaper.
#	If given a directory, choose random file in it.
#	If wal is installed, also generates a colorscheme.

# Location of link to wallpaper link.
bgloc="${XDG_DATA_HOME:-$HOME/.local/share/}/bg"

[ -f "$1" ] && ln -sf "$(readlink -f "$1")" "$bgloc" && notify-send -i "$bgloc" "Changing wallpaper..."

[ -d "$1" ] && ln -sf "$(find "$(readlink -f "$1")" -iregex '.*.\(jpg\|jpeg\|png\|gif\)' -type f | shuf -n 1)" "$bgloc" && notify-send -i "$bgloc" "Random Wallpaper chosen."

# If pywal is installed, use it.
wal -i "$(readlink -f "$bgloc")" -o "${XDG_CONFIG_HOME:-$HOME/.config}/wal/postrun" >/dev/null 2>&1

pidof dwm >/dev/null && xdotool key super+F12
xwallpaper --zoom "$bgloc"