#!/usr/bin/env bash
# slab-images <a.png> [b.png …] — open a GROUP of images as a tiled wall of
# chromeless glass panels (Preview-free review). Writes one absolute path per
# line to $SLAB_HOME/state/open-images; the menubar's 2 s tick consumes the
# whole file as ONE group, grid-tiles it across the main screen, and replaces
# any previous group. Esc/⌘W dismiss a panel. See
# slab/menubar-swift/Sources/SlabMenubar/ImageGroupPreview.swift.
set -euo pipefail

SLAB_HOME="${SLAB_HOME:-$HOME/.local/share/slab}"
REQUEST="$SLAB_HOME/state/open-images"

if [ $# -eq 0 ]; then
    echo "usage: slab-images <image> [more …]" >&2
    exit 1
fi

mkdir -p "$SLAB_HOME/state"

# Truncate: each invocation is one fresh group (the tick reads the whole file).
: > "$REQUEST"
for f in "$@"; do
    if [ ! -f "$f" ]; then
        echo "slab-images: no such file: $f" >&2
        exit 1
    fi
    abs="$(cd "$(dirname "$f")" && pwd)/$(basename "$f")"
    printf '%s\n' "$abs" >> "$REQUEST"
done
echo "slab-images: queued $# image(s) → $REQUEST"