#!/usr/bin/env bash
# Copyright 2021 The Karmada 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.


set -o errexit
set -o nounset
set -o pipefail

SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
cd "${SCRIPT_ROOT}"
ROOT_PATH=$(pwd)

IMPORT_ALIASES_PATH="${ROOT_PATH}/hack/.import-aliases"
INCLUDE_PATH="(${ROOT_PATH}/cmd|${ROOT_PATH}/test/e2e|${ROOT_PATH}/test/helper|\
${ROOT_PATH}/pkg/clusterdiscovery|${ROOT_PATH}/pkg/controllers|\
${ROOT_PATH}/pkg/estimator/server|${ROOT_PATH}/pkg/karmadactl|${ROOT_PATH}/pkg/scheduler|\
${ROOT_PATH}/pkg/util|${ROOT_PATH}/pkg/version|${ROOT_PATH}/pkg/webhook)"

ret=0
# We can't directly install preferredimports by `go install` due to the go.mod issue:
# go install k8s.io/kubernetes/cmd/preferredimports@v1.21.3: k8s.io/kubernetes@v1.21.3
#   The go.mod file for the module providing named packages contains one or
#   more replace directives. It must not contain directives that would cause
#   it to be interpreted differently than if it were the main module.
go run "${ROOT_PATH}/hack/tools/preferredimports/preferredimports.go" -import-aliases "${IMPORT_ALIASES_PATH}" -include-path "${INCLUDE_PATH}"  "${ROOT_PATH}" || ret=$?
if [[ $ret -ne 0 ]]; then
  echo "!!! Please see hack/.import-aliases for the preferred aliases for imports." >&2
  exit 1
fi
echo "Passed import-aliases verification."