#!/bin/sh
set -eu

# Keine macOS-Metadaten oder lokale UID 501 in das Unraid-Paket übernehmen.
export COPYFILE_DISABLE=1

PLUGIN="u-navigator"
VERSION="2026.09.12.r001"
PKG_DIR="packages"
WORK_DIR=".plugin-build"
PKG_NAME="${PLUGIN}-${VERSION}.tgz"

rm -rf "$WORK_DIR"
mkdir -p "$WORK_DIR/usr/local/emhttp/plugins/${PLUGIN}/assets" "$PKG_DIR"

cp -R plugin-root/usr "$WORK_DIR/"
cp server/public/app.js "$WORK_DIR/usr/local/emhttp/plugins/${PLUGIN}/assets/app.js"
cp server/public/styles.css "$WORK_DIR/usr/local/emhttp/plugins/${PLUGIN}/assets/styles.css"
perl -0pi -e "s/__VERSION__/${VERSION}/g" "$WORK_DIR/usr/local/emhttp/plugins/${PLUGIN}/U-Navigator.page"

find "$WORK_DIR" -name '._*' -delete
if tar --version 2>/dev/null | grep -q 'GNU tar'; then
    TAR_OWNER_FLAGS="--owner=0 --group=0 --numeric-owner"
else
    TAR_OWNER_FLAGS="--uid 0 --gid 0 --uname root --gname root"
fi
# Die Argumente sind feste, intern definierte tar-Flags.
# shellcheck disable=SC2086
tar --no-xattrs $TAR_OWNER_FLAGS -czf "$PKG_DIR/$PKG_NAME" -C "$WORK_DIR" usr
rm -rf "$WORK_DIR"

MD5="$(md5 -q "$PKG_DIR/$PKG_NAME" 2>/dev/null || md5sum "$PKG_DIR/$PKG_NAME" | awk '{print $1}')"
sed "s/__VERSION__/${VERSION}/g; s/__MD5__/${MD5}/g" u-navigator.plg.in > u-navigator.plg

echo "Built $PKG_DIR/$PKG_NAME"
echo "MD5 $MD5"