#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

set -e

declare -A archs
archs=([amd64]=amd64
       [arm64v8]=arm64
       [arm32v7]=arm
       [s390x]=s390x)

declare -A platforms
platforms=([linux]=linux
           [macos]=darwin)

arch=${archs[$1]}
platform=${platforms[$2]}
version=$3
prefix=$4

if [ "$#" -ne 4 ]; then
  echo "Usage: $0 <architecture> <platform> <version> <prefix>"
  exit 1
elif [[ -z ${arch} ]]; then
  echo "Unexpected architecture: ${1}"
  exit 1
elif [[ -z ${platform} ]]; then
  echo "Unexpected platform: ${2}"
  exit 1
elif [[ ${version} != "latest" ]]; then
  echo "Cannot fetch specific versions of minio, only latest is supported."
  exit 1
fi

if [[ ! -x ${prefix}/bin/minio ]]; then
  url="https://dl.min.io/server/minio/release/${platform}-${arch}/minio"
  echo "Fetching ${url}..."
  wget -nv -P ${prefix}/bin ${url}
  chmod +x ${prefix}/bin/minio
fi
if [[ ! -x ${prefix}/bin/mc ]]; then
  url="https://dl.min.io/client/mc/release/${platform}-${arch}/mc"
  echo "Fetching ${url}..."
  wget -nv -P ${prefix}/bin ${url}
  chmod +x ${prefix}/bin/mc
fi