name: Build RAG database
on:
  release:
    types: [published]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: astral-sh/setup-uv@v4
        with:
          enable-cache: true
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version-file: "pyproject.toml"
      - name: Install dependencies
        run: uv sync
      - name: Restore previous RAG database
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          LATEST=$(gh release list --limit 10 --json tagName --jq '.[].tagName' | while read -r tag; do
            if gh release view "$tag" --json assets --jq '.assets[].name' 2>/dev/null | grep -q "haiku-rag-docs.lancedb.tar.gz"; then
              echo "$tag"
              break
            fi
          done)
          if [ -n "$LATEST" ]; then
            gh release download "$LATEST" --pattern "haiku-rag-docs.lancedb.tar.gz"
            tar xzf haiku-rag-docs.lancedb.tar.gz
            rm haiku-rag-docs.lancedb.tar.gz
            echo "Restored database from $LATEST"
          else
            echo "No previous database found, starting fresh"
            uv run haiku-rag --config ${{ github.workspace }}/.github/haiku.rag.yaml init --db rag.lancedb
          fi
      - name: Build RAG database
        env:
          OLLAMA_BASE_URL: ${{ secrets.OLLAMA_BASE_URL }}
          OLLAMA_API_KEY: ${{ secrets.OLLAMA_API_KEY }}
        run: uv run haiku-rag --config ${{ github.workspace }}/.github/haiku.rag.yaml add-src docs/ --db rag.lancedb
      - name: Package RAG database
        run: tar czf haiku-rag-docs.lancedb.tar.gz rag.lancedb/
      - name: Upload to release
        if: github.event_name == 'release'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh release upload ${{ github.event.release.tag_name }} haiku-rag-docs.lancedb.tar.gz --clobber
      - name: Upload workflow artifact
        if: github.event_name == 'workflow_dispatch'
        uses: actions/upload-artifact@v4
        with:
          name: haiku-rag-docs.lancedb.tar.gz
          path: haiku-rag-docs.lancedb.tar.gz
          retention-days: 1