#!/usr/bin/env bash
set -euo pipefail
VER="${1:?version folder, e.g., v4}"
BINPATH="${2:-server-ui/target/release/avidaed_onefile}"
case "$VER" in
  v3) APP_ASSET_DIR="apps/v3/Avida-ED" ;;
  v4) APP_ASSET_DIR="apps/v4/Avida-ED-Eco" ;;
  *) echo "error: unsupported version: $VER" >&2; exit 2 ;;
esac

if ! command -v appimagetool >/dev/null 2>&1; then
  echo "error: appimagetool is required to build the Linux AppImage" >&2
  echo "Install appimagetool or run only 'make VER=${VER} build-linux' to build the Linux binary." >&2
  exit 127
fi

if [ ! -x "$BINPATH" ]; then
  echo "error: Linux binary not found or not executable: $BINPATH" >&2
  exit 2
fi

APPDIR="AvidaED-${VER}.AppDir"
rm -rf "$APPDIR"; mkdir -p "$APPDIR/usr/bin" "$APPDIR/usr/share/icons/hicolor/256x256/apps"
cp "$BINPATH" "$APPDIR/usr/bin/avidaed_onefile"
cp "$(dirname "$0")/AppRun" "$APPDIR/AppRun"
chmod +x "$APPDIR/AppRun"
cp "$(dirname "$0")/desktop/avidaed.desktop" "$APPDIR/avidaed.desktop"

if [ -f "$APP_ASSET_DIR/avida-ed-icon.png" ]; then
  cp "$APP_ASSET_DIR/avida-ed-icon.png" "$APPDIR/avidaed.png"
else
  convert -size 256x256 xc:white "$APPDIR/avidaed.png" 2>/dev/null || true
fi
cp "$APPDIR/avidaed.png" "$APPDIR/usr/share/icons/hicolor/256x256/apps/avidaed.png"

APPIMAGETOOL_ARGS=()
if [ -n "${APPIMAGETOOL_RUNTIME_FILE:-}" ]; then
  APPIMAGETOOL_ARGS+=(--runtime-file "$APPIMAGETOOL_RUNTIME_FILE")
fi

OUTFILE="Avida-ED-${VER}-Linux-x86_64.AppImage"
rm -f "$OUTFILE"
appimagetool "${APPIMAGETOOL_ARGS[@]}" "$APPDIR" "$OUTFILE"
echo "Wrote $OUTFILE"