name: API Proto CI

on:
  pull_request:
    paths:
      - "esphome/components/api/api.proto"
      - "esphome/components/api/api_pb2.cpp"
      - "esphome/components/api/api_pb2.h"
      - "esphome/components/api/api_pb2_service.cpp"
      - "esphome/components/api/api_pb2_service.h"
      - "script/api_protobuf/api_protobuf.py"
      - ".github/workflows/ci-api-proto.yml"

permissions:
  contents: read
  pull-requests: write

jobs:
  check:
    name: Check generated files
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.7
      - name: Set up Python
        uses: actions/setup-python@v5.2.0
        with:
          python-version: "3.11"

      - name: Install apt dependencies
        run: |
          sudo apt update
          sudo apt-cache show protobuf-compiler
          sudo apt install -y protobuf-compiler
          protoc --version
      - name: Install python dependencies
        run: pip install aioesphomeapi -c requirements.txt -r requirements_dev.txt
      - name: Generate files
        run: script/api_protobuf/api_protobuf.py
      - name: Check for changes
        run: |
          if ! git diff --quiet; then
            echo "## Job Failed" | tee -a $GITHUB_STEP_SUMMARY
            echo "You have altered the generated proto files but they do not match what is expected." | tee -a $GITHUB_STEP_SUMMARY
            echo "Please run 'script/api_protobuf/api_protobuf.py' and commit the changes." | tee -a $GITHUB_STEP_SUMMARY
            exit 1
          fi
      - if: failure()
        name: Review PR
        uses: actions/github-script@v7.0.1
        with:
          script: |
            await github.rest.pulls.createReview({
              pull_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              event: 'REQUEST_CHANGES',
              body: 'You have altered the generated proto files but they do not match what is expected.\nPlease run "script/api_protobuf/api_protobuf.py" and commit the changes.'
            })
      - if: success()
        name: Dismiss review
        uses: actions/github-script@v7.0.1
        with:
          script: |
            let reviews = await github.rest.pulls.listReviews({
              pull_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo
            });
            for (let review of reviews.data) {
              if (review.user.login === 'github-actions[bot]' && review.state === 'CHANGES_REQUESTED') {
                await github.rest.pulls.dismissReview({
                  pull_number: context.issue.number,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  review_id: review.id,
                  message: 'Files now match the expected proto files.'
                });
              }
            }