cd-langchain.yml

name: cd-langchain

on:
  push:
    branches:
      - main
    paths:
      - 'packages/uipath_langchain_client/src/uipath_langchain_client/__version__.py'
  workflow_dispatch:

jobs:
  build:
    name: Build package
    runs-on: ubuntu-latest
    environment: pypi
    permissions:
      contents: read
      id-token: write
      actions: read

    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 2

      - name: Wait for uipath-llm-client publish
        if: github.event_name == 'push'
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          # Check if the core package version was also modified in this push
          if ! git diff HEAD~1 --name-only | grep -q '^src/uipath/llm_client/__version__.py$'; then
            echo "Core package version unchanged — no need to wait."
            exit 0
          fi

          echo "Core package version also changed — waiting for 'cd' workflow to succeed..."

          # Poll the cd workflow for up to 15 minutes
          for i in $(seq 1 30); do
            STATUS=$(gh run list --workflow=cd.yml --branch=main --commit=${{ github.sha }} --json status,conclusion --jq '.[0] | .status + ":" + .conclusion')
            echo "  Attempt $i/30 — cd workflow: $STATUS"

            case "$STATUS" in
              completed:success)
                echo "cd workflow succeeded — waiting 120s for PyPI indexing..."
                sleep 120
                exit 0
                ;;
              completed:*)
                echo "::error::cd workflow finished with: $STATUS"
                exit 1
                ;;
            esac

            sleep 30
          done

          echo "::error::Timed out waiting for cd workflow (15 min)"
          exit 1

      - name: Setup uv
        uses: astral-sh/setup-uv@v7
        with:
          version: "0.9.27"
          enable-cache: true

      - name: "Set up Python"
        uses: actions/setup-python@v6
        with:
          python-version-file: ".python-version"
      
      - name: "Install dependencies"
        run: uv sync --dev --all-extras --locked

      - name: Build package
        run: uv build --package uipath-langchain-client

      - name: Smoke test (wheel with all extras)
        run: |
          WHEEL=$(ls dist/*.whl)
          uv run --isolated --no-project --with "${WHEEL}[all]" tests/langchain/langchain_smoke_test.py

      - name: Smoke test (source distribution with all extras)
        run: |
          SDIST=$(ls dist/*.tar.gz)
          uv run --isolated --no-project --with "${SDIST}[all]" tests/langchain/langchain_smoke_test.py

      - name: Publish package
        run: uv publish

  release:
    name: Create GitHub release
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v6

      - name: Get version
        id: version
        run: |
          VERSION=$(grep '^__version__' packages/uipath_langchain_client/src/uipath_langchain_client/__version__.py | sed -n 's/.*"\([^"]*\)".*/\1/p')
          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"

      - name: Extract changelog section
        run: |
          python3 -c "
          import re
          version = '''${{ steps.version.outputs.version }}'''
          with open('packages/uipath_langchain_client/CHANGELOG.md') as f:
              content = f.read()
          pattern = r'(## \[' + re.escape(version) + r'\][^\n]*\n)(.*?)(?=\n## \[|\Z)'
          match = re.search(pattern, content, re.DOTALL)
          notes = match.group(0).strip() if match else ('Release ' + version)
          with open('release_notes.md', 'w') as f:
              f.write(notes)
          "

      - name: Create GitHub release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: langchain-v${{ steps.version.outputs.version }}
          name: UiPath LangChain Client [langchain-v${{ steps.version.outputs.version }}]
          body_path: release_notes.md
          skip_if_tag_exists: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}