pr-preview.yml

name: PR Preview
on:
  pull_request:
    types: [opened, synchronize]

jobs:
  preview:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install requests

      - name: Set preview version
        run: |
          BASE_VERSION=$(python -c "from socketdev import __version__; print(__version__)")
          PREVIEW_VERSION="${BASE_VERSION}.dev${{ github.event.pull_request.number }}${{ github.event.pull_request.commits }}"
          echo "VERSION=${PREVIEW_VERSION}" >> $GITHUB_ENV

          # Update version in __init__.py
          echo "__version__ = \"${PREVIEW_VERSION}\"" > socketdev/__init__.py.tmp
          cat socketdev/__init__.py | grep -v "__version__" >> socketdev/__init__.py.tmp
          mv socketdev/__init__.py.tmp socketdev/__init__.py

          # Verify the change
          echo "Updated version in __init__.py:"
          cat socketdev/__init__.py | grep "__version__"

      - name: Check if version exists on Test PyPI
        id: version_check
        env:
          VERSION: ${{ env.VERSION }}
        run: |
          if curl -s -f https://test.pypi.org/pypi/socket-sdk-python/$VERSION/json > /dev/null; then
            echo "Version ${VERSION} already exists on Test PyPI"
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "Version ${VERSION} not found on Test PyPI"
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Build package
        if: steps.version_check.outputs.exists != 'true'
        run: |
          pip install build
          python -m build

      - name: Restore original version
        if: always()
        run: |
          BASE_VERSION=$(echo $VERSION | cut -d'.' -f1-3)
          echo "__version__ = \"${BASE_VERSION}\"" > socketdev/__init__.py.tmp
          cat socketdev/__init__.py | grep -v "__version__" >> socketdev/__init__.py.tmp
          mv socketdev/__init__.py.tmp socketdev/__init__.py

      - name: Publish to Test PyPI
        if: steps.version_check.outputs.exists != 'true'
        uses: pypa/gh-action-pypi-publish@v1.8.11
        with:
          repository-url: https://test.pypi.org/legacy/
          password: ${{ secrets.TEST_PYPI_TOKEN }}
          verbose: true

      - name: Comment on PR
        if: steps.version_check.outputs.exists != 'true'
        uses: actions/github-script@v7
        env:
          VERSION: ${{ env.VERSION }}
        with:
          script: |
            const version = process.env.VERSION;
            const prNumber = context.payload.pull_request.number;
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            // Find existing bot comments
            const comments = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: prNumber,
            });

            const botComment = comments.data.find(comment =>
              comment.user.type === 'Bot' &&
              comment.body.includes('🚀 Preview package published!')
            );

            const comment = `
            🚀 Preview package published!

            Install with:
            \`\`\`bash
            pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple socket-sdk-python==${version}
            \`\`\``;

            if (botComment) {
              // Update existing comment
              await github.rest.issues.updateComment({
                owner: owner,
                repo: repo,
                comment_id: botComment.id,
                body: comment
              });
            } else {
              // Create new comment
              await github.rest.issues.createComment({
                owner: owner,
                repo: repo,
                issue_number: prNumber,
                body: comment
              });
            }

      - name: Verify package is available
        if: steps.version_check.outputs.exists != 'true'
        id: verify_package
        env:
          VERSION: ${{ env.VERSION }}
        run: |
          for i in {1..30}; do
            if pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple socket-sdk-python==${VERSION}; then
              echo "Package ${VERSION} is now available and installable on Test PyPI"
              pip uninstall -y socket-sdk-python
              echo "success=true" >> $GITHUB_OUTPUT
              exit 0
            fi
            echo "Attempt $i: Package not yet installable, waiting 20s... (${i}/30)"
            sleep 20
          done
          echo "success=false" >> $GITHUB_OUTPUT
          exit 1