# .github/workflows/reindex_on_merge.yml

name: Re-index Repository on Merge (Self-Hosted)

on:
  pull_request:
    types: [closed]
    branches:
      - main
  workflow_dispatch:

jobs:
  reindex:
    # This condition ensures the job only runs if the pull request was actually merged.
    if: github.event.pull_request.merged == true || github.event_name == 'workflow_dispatch'

    runs-on: Windows

    # *** KEY CHANGE ***
    # Changed the shell from 'pwsh' to 'powershell' to use the default
    # Windows PowerShell, which should be available on your runner.
    defaults:
      run:
        shell: powershell

    steps:
      # Step 1: Check out the repository's code
      - name: Checkout repository
        uses: actions/checkout@v4

      # Step 2: Set up a specific Python version
      - name: Set up Python 3.11
        id: setup-python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      # Step 3: Create and activate a virtual environment (using PowerShell syntax)
      - name: Create and activate virtual environment
        run: |
          if (-not (Test-Path -Path ".venv")) {
            python -m venv .venv
          }
          # The activation command is different for PowerShell
          .\.venv\Scripts\Activate.ps1

      # Step 4: Install or update dependencies
      - name: Install dependencies
        run: |
          # The venv is now active for this shell session, so we can call pip directly.
          pip install --upgrade pip
          pip install -r requirements.txt
      
      # Step 5: Run the indexing script within the virtual environment
      - name: Run indexing script
        run: |
          # Call python directly, as the correct one is now on the PATH from the activated venv.
          python create_index.py
        env:
          GITHUB_REPOSITORY: ${{ github.repository }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        # Optional: Specify the working directory if your bot lives in a subfolder
        # working-directory: ./path/to/your/bot