name: Sync docs with Docusaurus

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - "docs/pydoc/config_docusaurus/**"
      - "haystack/**"
      - ".github/workflows/docusaurus_sync.yml"

env:
  HATCH_VERSION: "1.14.2"
  PYTHON_VERSION: "3.9"
  DOCS_REPO: "deepset-ai/haystack-docs"
  DOCS_REPO_PATH: "reference/haystack-api"

jobs:
  sync:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout Haystack repo
        uses: actions/checkout@v5

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: "${{ env.PYTHON_VERSION }}"

      - name: Install Hatch
        run: pip install hatch==${{ env.HATCH_VERSION }}

      - name: Generate API docs for Docusaurus
        # This command simply runs ./.github/utils/pydoc-markdown.sh with a specific config path
        run: hatch run readme:sync "../config_docusaurus/*"

      - name: Checkout Docusaurus repo
        uses: actions/checkout@v5
        with:
          repository: ${{ env.DOCS_REPO }}
          token: ${{ secrets.HAYSTACK_BOT_TOKEN }}
          path: haystack-docs

      - name: Sync generated docs to Docusaurus repo
        run: |
          SOURCE_PATH="docs/pydoc/temp"
          DEST_PATH="haystack-docs/${{ env.DOCS_REPO_PATH }}"

          echo "Syncing from $SOURCE_PATH to $DEST_PATH"
          mkdir -p $DEST_PATH
          # Using rsync to copy files. This will also remove files in dest that are no longer in source.
          rsync -av --delete --exclude='.git/' "$SOURCE_PATH/" "$DEST_PATH/"

      - name: Commit and push changes
        env:
            GITHUB_TOKEN: ${{ secrets.HAYSTACK_BOT_TOKEN }}
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

          cd haystack-docs

          if [[ -n $(git status -s) ]]; then
            echo "Syncing docs with Docusaurus..."
            git add .
            git commit -m "docs: Sync Haystack API reference"
            git push
          else
            echo "No changes to sync with Docusaurus."
          fi