on:
  push:
    branches:
      - main

name: Notify on Push
permissions:
  contents: read

jobs:
  notifyOnForcePush:
    name: Notify on Force Push on `main`
    if: github.repository == 'nodejs/node' && github.event.forced
    runs-on: ubuntu-latest
    steps:
      - name: Slack Notification
        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907  # 2.3.0
        env:
          SLACK_COLOR: '#DE512A'
          SLACK_ICON: https://github.com/nodejs.png?size=48
          SLACK_TITLE: ${{ github.actor }} force-pushed to ${{ github.ref }}
          SLACK_MESSAGE: |
            <!here> A commit was force-pushed to <https://github.com/${{ github.repository }}/tree/${{ github.ref_name }}|${{ github.repository }}@${{ github.ref_name }}> by <https://github.com/${{ github.actor }}|${{ github.actor }}>

            Before: <https://github.com/${{ github.repository }}/commit/${{ github.event.before }}|${{ github.event.before }}>
            After: <https://github.com/${{ github.repository }}/commit/${{ github.event.after }}|${{ github.event.after }}>
          SLACK_USERNAME: nodejs-bot
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}

  notifyOnMissingMetadata:
    name: Notify on Push on `main` that lacks metadata
    if: github.repository == 'nodejs/node'
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
        with:
          persist-credentials: false
      - name: Check commit message
        run: npx -q core-validate-commit ${{ github.event.after }} || echo "INVALID_COMMIT_MESSAGE=1" >> $GITHUB_ENV
      - name: Retrieve PR number if possible
        if: env.INVALID_COMMIT_MESSAGE
        run: |
          COMMIT_TITLE=$(git --no-pager log --oneline -1 --no-color) node <<'EOF' >> $GITHUB_ENV || true
          const invalidCommitMessageMatch = /\s\(\#(\d+)\)$/.exec(process.env.COMMIT_TITLE);
          if (invalidCommitMessageMatch == null) process.exit(1)
          console.log(`PR_ID=${invalidCommitMessageMatch[1]}`)
          EOF
      - name: Comment on the Pull Request
        if: ${{ env.PR_ID }}
        run: |
          gh pr comment ${{ env.PR_ID }} --repo "${{ github.repository }}" \
            --body "A commit referencing this Pull Request was pushed to `${{ github.ref_name }}` by @${{ github.actor }} with an invalid commit message."
        env:
          GH_TOKEN: ${{ github.token }}
      - name: Slack Notification
        if: ${{ env.INVALID_COMMIT_MESSAGE }}
        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907  # 2.3.0
        env:
          SLACK_COLOR: '#DE512A'
          SLACK_ICON: https://github.com/nodejs.png?size=48
          SLACK_TITLE: Invalid commit was pushed to ${{ github.ref }}
          SLACK_MESSAGE: |
            <!here> A commit with an invalid message was pushed to <https://github.com/${{ github.repository }}/tree/${{ github.ref_name }}|${{ github.repository }}@${{ github.ref_name }}> by <https://github.com/${{ github.actor }}|${{ github.actor }}>.

            Before: <https://github.com/${{ github.repository }}/commit/${{ github.event.before }}|${{ github.event.before }}>
            After: <https://github.com/${{ github.repository }}/commit/${{ github.event.after }}|${{ github.event.after }}>
          SLACK_USERNAME: nodejs-bot
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}