#!/usr/bin/env bash
# Copyright 2022 FerryProxy Authors.
#
# Licensed 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.

APP_ID=$1
PASSWORD=$2
TENANT=$3

if [ "${APP_ID}" == "" ] && [ "${AZURE_APP_ID}" != "" ]; then
  APP_ID="${AZURE_APP_ID}"
fi

if [ "${PASSWORD}" == "" ] && [ "${AZURE_PASSWORD}" != "" ]; then
  PASSWORD="${AZURE_PASSWORD}"
fi

if [ "${TENANT}" == "" ] && [ "${AZURE_TENANT}" != "" ]; then
  TENANT="${AZURE_TENANT}"
fi

if [ "${APP_ID}" == "" ] || [ "${PASSWORD}" == "" ] || [ "${TENANT}" == "" ]; then
  echo "Usage: ${0} <app-id> <password> <tenant>"
  exit 1
fi

az login --service-principal -u "${APP_ID}" -p "${PASSWORD}" --tenant "${TENANT}"
