#!/bin/sh
# Set the wallpaper through aurora. aurora owns the wallpaper: it draws it itself (mono dots, colour dots or photo,
# see its settings), records it in ~/.local/state/aurora/wallpaper and runs matugen (colours). This is just the CLI front-end for its IPC.
#
#   setwall              random wallpaper from the folder selected in aurora's picker
#   setwall -m           open (toggle) aurora's wallpaper picker
#   setwall [-p] FILE    set FILE as the wallpaper

usage() {
    echo "Usage: setwall [-m] [[-p] /path/to/image]" >&2
    exit 1
}

# `qs ipc call` exits 0 even when it fails, but void calls print nothing on success
ipc() {
    out=$(qs -c aurora ipc call shell "$@" 2>&1) && [ -z "$out" ] && return
    echo "setwall: aurora: ${out:-not running}" >&2
    echo "         (is it running? systemctl --user start aurora)" >&2
    exit 1
}

case "$1" in
    "")       ipc wallrandom ;;
    -m)       ipc wall ;;
    -p)       [ -n "$2" ] || usage; file="$2" ;;
    -h|-*)    usage ;;
    *)        file="$1" ;;
esac

if [ -n "$file" ]; then
    if [ ! -f "$file" ]; then
        echo "setwall: file not found -> $file" >&2
        exit 1
    fi
    ipc wallset "$(realpath "$file")"
fi