#!/usr/bin/env bash
set -euo pipefail

WALL_DIR="${1:-$HOME/.local/share/wallpapers}"

# Build list: display text = filename; icon = thumbnail of file; payload = full path
# Use NUL + unit-separator fields per rofi's extended dmenu protocol.
while IFS= read -r -d '' f; do
  base="$(basename "$f")"
  printf '%s\0icon\x1fthumbnail://%s\0info\x1f%s\n' "$base" "$f" "$f"
done < <(find "$WALL_DIR" -type f \( -iname '*.png' -o -iname '*.jpg' -o -iname '*.jpeg' -o -iname '*.webp' \) -print0 | sort -z)

# Run rofi dmenu, capturing the selected line (which includes the base text)