#!/bin/bash

# Copyright 2025 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

dir=$(dirname "$(readlink -f "$0")")
cd "$dir"

GS_PATH="gs://chrome-partner-telemetry/cros/cuj/crossbench/page-click-scroll-20250623.wprgo"
LOCAL_PATH="page-click-scroll.wprgo"

# Get remote MD5 hash
REMOTE_MD5=$(gsutil hash "$GS_PATH" | grep "Hash (md5):" | awk '{print $3}')

# Check if local file exists and get its MD5 hash
LOCAL_MD5=""
if [ -f "$LOCAL_PATH" ]; then
  echo "Getting local MD5 hash for $LOCAL_PATH..."
  LOCAL_MD5=$(gsutil hash "$LOCAL_PATH" | grep "Hash (md5):" | awk '{print $3}')
fi

echo "Local MD5: $LOCAL_MD5, Remote MD5: $REMOTE_MD5"

# Compare hashes and download if necessary
if [ "$REMOTE_MD5" == "$LOCAL_MD5" ]; then
  echo "Local file $LOCAL_PATH is up-to-date (MD5 matches)."
else
  gsutil cp "$GS_PATH" "$LOCAL_PATH"
  echo "Download complete."
fi