#!/usr/bin/env bash
# Repeatable visual-regression smoke: render the staged captures into
# docs/screenshots and compare them against the runtime reference art.
#
# Runs under Xvfb automatically when no display is available. Requires Godot
# 4.3 on PATH (or GODOT=...), Python 3, Pillow, and xvfb-run for headless hosts.
set -euo pipefail
cd "$(dirname "$0")/.."

GODOT="${GODOT:-godot}"
RUN=()
if [[ -z "${DISPLAY:-}" ]]; then
  if ! command -v xvfb-run >/dev/null 2>&1; then
    echo "error: no DISPLAY and xvfb-run is not installed" >&2
    exit 2
  fi
  RUN=(xvfb-run -a)
fi

"${RUN[@]}" "$GODOT" --path . --script res://src/test/capture_screenshots.gd -- --out=res://docs/screenshots
"${RUN[@]}" "$GODOT" --path . --script res://src/test/capture_prop_gallery.gd -- --out=res://docs/screenshots
python3 tools/screen_designs.py compare