#!/bin/sh -e

# Wrapper around wallpaper-fetcher: downloads a random new wallpaper from
# backiee.com and sets it as the desktop background via awww.
#
# Usage: set-wallpaper.sh [backiee-path] [-r WxH]
#
#   backiee-path    Path segment on backiee.com (default: latest)
#   -r WxH          Max resolution (e.g. "1920x1080") — passed through to wallpaper-fetcher

BACKIEE_PATH="${1:-latest}"

# Check for -r flag (may be first or second arg)
RES_ARGS=""
if [[ "$1" == "-r" ]]; then
	RES_ARGS="-r $2"
elif [[ "$2" == "-r" ]]; then
	RES_ARGS="-r $3"
fi

if [[ ! -x /usr/bin/awww ]]; then
	echo "required awww — please install with yay -S awww" >&2
	exit 0
fi

# Paths
BACKGROUNDS_DIR="$HOME/Sync/Shared/wallpapers"
CURRENT_BACKGROUND_LINK="$HOME/.local/state/omarchy/current/background"

[ -d "$BACKGROUNDS_DIR" ] || mkdir -p "$BACKGROUNDS_DIR"

# Run wallpaper-fetcher (stdout = bare filename, stderr = log output)
FILENAME=$(wallpaper-fetcher "$BACKIEE_PATH" -o "$BACKGROUNDS_DIR" $RES_ARGS 2>/dev/null)

if [[ -z "$FILENAME" ]]; then
	echo "wallpaper-fetcher failed — no image downloaded" >&2
	exit 1
fi

FILE_PATH="$BACKGROUNDS_DIR/$FILENAME"

echo "Wallpaper: $FILENAME"

if [[ ! -f "$FILE_PATH" ]]; then
	echo "File not found: $FILE_PATH" >&2
	exit 1
fi

ln -nsf "$FILE_PATH" "$CURRENT_BACKGROUND_LINK" &&
	setsid uwsm app -- awww img "$CURRENT_BACKGROUND_LINK" &&
	exit 0

exit 1