#!/bin/bash

# ============LICENSE_START=======================================================
#  Copyright (C) 2019 The Nordix Foundation. All rights reserved.
# ================================================================================
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================

# NOTE (fdegir): we do not need to do anything for the changes coming to infra/engine repo
if [[ "$GERRIT_PROJECT" == "infra/engine" ]]; then
  exit 0
fi

echo "Info : Cloning infra/engine repository"
cd "$HOME" && /bin/rm -rf "$WORKSPACE"
git clone -q "$ENGINE_REPO_URL" "$WORKSPACE"

export SDF_ORIGINAL="$WORKSPACE/engine/inventory/group_vars/all/sdf.yaml"
export SDF_PATCHSET="/tmp/sdf.yaml.$GERRIT_CHANGE_NUMBER"

/bin/rm -rf "$SDF_PATCHSET"

export TOOL_TYPE="${GERRIT_PROJECT//*\//}"
export TOOL_MATCH="false"
echo "Info  : Tool type is $TOOL_TYPE"
echo "Info  : Updating SDF with change SHA and refspec"
while IFS= read -r line; do
  if [[ "$TOOL_MATCH" == "true" && "$line" =~ "version" ]]; then
    echo "$line" | sed "s#version:.*#version: $GERRIT_PATCHSET_REVISION\n    refspec: $GERRIT_REFSPEC#g" >> "$SDF_PATCHSET"
    export TOOL_MATCH="false"
    continue
  fi
  if [[ "$line" =~ "$TOOL_TYPE:" && "$TOOL_MATCH" == "false" ]]; then
    export TOOL_MATCH="true"
  fi
  echo "$line" >> "$SDF_PATCHSET"
done < "$SDF_ORIGINAL"
# NOTE (fdegir): log the diff for possible troubleshooting
echo
echo "Info  : Diff between original SDF and SDF generated for the change"
echo "-------------------------------------------------------------------------"
diff "$SDF_ORIGINAL" "$SDF_PATCHSET"
echo "-------------------------------------------------------------------------"
echo

# NOTE (fdegir): move SDF generated for the change into the original SDF
/bin/mv -f "$SDF_PATCHSET" "$SDF_ORIGINAL"

# NOTE (fdegir): log the final SDF
echo
echo "Info  : Generated SDF content"
echo "-------------------------------------------------------------------------"
cat "$SDF_ORIGINAL"
echo "-------------------------------------------------------------------------"
echo