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

VER="${1:-${VER:-v4}}"

case "$VER" in
  v3) APP_DIR="Avida-ED" ;;
  v4) APP_DIR="Avida-ED-Eco" ;;
  *) echo "Unsupported VER=$VER. Use v3 or v4." >&2; exit 2 ;;
esac

SRC="apps/$VER/$APP_DIR"
DEST="server-ui/webroot/$APP_DIR"

if [ ! -f "$SRC/index.html" ]; then
  echo "Missing $SRC/index.html. Run make fetch-$VER first." >&2
  exit 2
fi

rm -rf server-ui/webroot
mkdir -p server-ui/webroot

if command -v rsync >/dev/null 2>&1; then
  rsync -a "$SRC/" "$DEST/"
else
  mkdir -p "$DEST"
  cp -R "$SRC"/. "$DEST"/
fi

echo "Injected $SRC into $DEST"