name: Build Homebrew formula

on:
  workflow_dispatch:
  release:
    types: [published]

jobs:
  build:
    runs-on: macos-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Get version
        id: version
        run: echo "version=$(grep '^version = ' pyproject.toml | awk -F'\"' '{print $2}')" >> "$GITHUB_OUTPUT"

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Generate Homebrew formula
        run: |
          python3 -m venv /tmp/poet-venv
          source /tmp/poet-venv/bin/activate
          pip install --quiet "archivebox==${{ steps.version.outputs.version }}" homebrew-pypi-poet
          poet -f archivebox > /tmp/archivebox-generated.rb
          deactivate

      - name: Upload formula artifact
        uses: actions/upload-artifact@v4
        with:
          name: archivebox.rb
          path: /tmp/archivebox-generated.rb

      - name: Push to homebrew-archivebox tap
        if: github.event_name == 'release'
        env:
          GH_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
        run: |
          # Clone the tap repo and update the formula
          git clone "https://x-access-token:${GH_TOKEN}@github.com/ArchiveBox/homebrew-archivebox.git" /tmp/tap
          cp brew_dist/archivebox.rb /tmp/tap/archivebox.rb 2>/dev/null || cp /tmp/archivebox-generated.rb /tmp/tap/archivebox.rb
          cd /tmp/tap
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add archivebox.rb
          git diff --cached --quiet || git commit -m "Update archivebox to v${{ steps.version.outputs.version }}"
          git push origin HEAD

  test:
    needs: build
    runs-on: macos-latest

    steps:
      - uses: actions/checkout@v4

      - name: Download formula artifact
        uses: actions/download-artifact@v4
        with:
          name: archivebox.rb
          path: /tmp/

      - name: Test Homebrew formula
        run: |
          brew install --build-from-source /tmp/archivebox-generated.rb || true
          archivebox version