#!/usr/bin/env bash
# Use bundled Gradle wrapper distribution when available (offline LAN builds).
set -euo pipefail

ANDROID_GEN="${1:-/workspace/tauri_app/src-tauri/gen/android}"
GRADLE_VERSION="${GRADLE_VERSION:-8.14.3}"

for candidate in \
  "/opt/offline-gradle/gradle-${GRADLE_VERSION}-bin.zip" \
  "/workspace/tauri_app/docker/offline-gradle/gradle-${GRADLE_VERSION}-bin.zip"; do
  if [ -f "${candidate}" ]; then
    BUNDLED_ZIP="${candidate}"
    break
  fi
done

WRAPPER_PROPS="${ANDROID_GEN}/gradle/wrapper/gradle-wrapper.properties"
if [ -z "${BUNDLED_ZIP:-}" ] || [ ! -f "${WRAPPER_PROPS}" ]; then
  echo "==> Bundled Gradle ${GRADLE_VERSION} not found, wrapper will use default distributionUrl"
  exit 0
fi

OFFLINE_ZIP="/opt/offline-gradle/gradle-${GRADLE_VERSION}-bin.zip"
mkdir -p /opt/offline-gradle
if [ "${BUNDLED_ZIP}" != "${OFFLINE_ZIP}" ]; then
  cp "${BUNDLED_ZIP}" "${OFFLINE_ZIP}"
fi

sed -i "s|^distributionUrl=.*|distributionUrl=file\\:/opt/offline-gradle/gradle-${GRADLE_VERSION}-bin.zip|" "${WRAPPER_PROPS}"
echo "==> Gradle wrapper patched to offline file distribution (${OFFLINE_ZIP})"