name: Release

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # full history needed for git-cliff
          token: ${{ secrets.GITHUB_TOKEN }}

      # ---- (1) Generate the GitHub Release body (latest only, no header) ----
      # `--strip header` drops the static SemVer preamble so the release page
      # shows just the per-version section, while CHANGELOG.md (below) keeps
      # the header at the top of the file.
      - name: Generate release notes (latest only)
        id: cliff-release
        uses: orhun/git-cliff-action@v4
        with:
          config: cliff.toml
          args: --latest --strip header --github-repo noonghunna/club-3090
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OUTPUT: RELEASE_NOTES.md

      # ---- (2) Regenerate full CHANGELOG.md (all tags, with header) ----
      - name: Regenerate CHANGELOG.md
        uses: orhun/git-cliff-action@v4
        with:
          config: cliff.toml
          args: --github-repo noonghunna/club-3090
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OUTPUT: CHANGELOG.md

      # ---- (3) Commit the regenerated CHANGELOG.md back to master ----
      # The tag's commit doesn't include this auto-regen — but the GitHub
      # Release page is correct (step 1), and master's CHANGELOG.md catches
      # up ~1 min after tag push. Skipped if nothing changed.
      - name: Commit CHANGELOG.md back to master
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git fetch origin master
          git checkout -B master origin/master
          # Re-run cliff against master HEAD so the regen reflects what master
          # actually contains (the tag may not yet be on master if pushed from
          # a feature branch; uncommon but handled).
          git add CHANGELOG.md
          if git diff --staged --quiet; then
            echo "CHANGELOG.md unchanged — skipping commit."
          else
            git commit -m "chore(changelog): regenerate for ${{ github.ref_name }} [skip ci]"
            git push origin master
          fi

      # ---- (4) Publish GitHub Release ----
      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          name: ${{ github.ref_name }}
          body_path: RELEASE_NOTES.md
          draft: false
          prerelease: false
          generate_release_notes: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}