name: Release Please
on:
  push:
    branches: [main]

permissions:
  contents: write
  pull-requests: write

jobs:
  release-please:
    runs-on: ubuntu-latest
    steps:
      - uses: googleapis/release-please-action@v4
        with:
          release-type: node  # or: python, go, ruby, simple
          token: ${{ secrets.GITHUB_TOKEN }}
          config-file: release-please-config.json
          manifest-file: .release-please-manifest.json

# .github/workflows/changelog-gate.yml
name: Changelog Gate
on:
  pull_request:
    types: [opened, synchronize, reopened]

jobs:
  check-changelog:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check for changelog update
        uses: actions/github-script@v7
        with:
          script: |
            const pr = context.payload.pull_request;

            // Skip docs-only, chore, and dependency PRs
            const skipLabels = ["documentation", "chore", "dependencies", "ci/cd"];
            const prLabels = pr.labels.map(l => l.name);
            if (prLabels.some(l => skipLabels.includes(l))) {
              console.log("Skipping changelog check for non-feature PR");
              return;
            }

            // Check if CHANGELOG.md was modified
            const { data: files } = await github.rest.pulls.listFiles({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: pr.number,
            });

            const changelogUpdated = files.some(f => f.filename === "CHANGELOG.md");

            if (!changelogUpdated) {
              core.setFailed(
                "This PR changes code but does not update CHANGELOG.md.\n" +
                "Add an entry under [Unreleased], or add the 'chore'/'documentation' label to skip."
              );
            }

# .github/workflows/release-notify.yml
on:
  release:
    types: [published]

jobs:
  notify:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Extract release notes
        id: notes
        run: |
          # Get body of latest release
          NOTES=$(gh release view "${{ github.event.release.tag_name }}" --json body -q .body)
          echo "notes<<EOF" >> $GITHUB_OUTPUT
          echo "$NOTES" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Post to Slack
        uses: slackapi/slack-github-action@v1
        with:
          payload: |
            {
              "text": ":rocket: *${{ github.repository }} ${{ github.event.release.tag_name }} released*",
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": ":rocket: *<${{ github.event.release.html_url }}|${{ github.repository }} ${{ github.event.release.tag_name }}>* released\n\n${{ steps.notes.outputs.notes }}"
                  }
                }
              ]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_RELEASES_WEBHOOK }}