# Copyright (c) 2020-2021 Project CHIP 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.

name: Backwards compatibility check
on:
  pull_request:
    paths:
      - "src/controller/data_model/controller-clusters.matter"

jobs:
  check_clusters_matter:
    name: Check controller-clusters.matter backwards compatibility
    runs-on: ubuntu-latest
    if: github.event.pull_request && !(contains(github.event.pull_request.labels.*.name, 'skip-protocol-compatibility'))

    steps:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup python
         uses: actions/setup-python@v5
         with:
           python-version: 3.11
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install click coloredlogs lark
       - name: Create old/new copies
         run: |
           mkdir -p out
           cp src/controller/data_model/controller-clusters.matter out/new_version.matter
           wget '${{github.event.pull_request.diff_url}}' --output-document out/patch.diff
           patch -p1 --reverse <out/patch.diff
           cp src/controller/data_model/controller-clusters.matter out/old_version.matter
           patch -p1 <out/patch.diff
       - name: Check backwards compatibility
         run: |
           scripts/backwards_compatibility_checker.py out/old_version.matter out/new_version.matter