# .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'

    # This tells GitHub to run this job on one of your self-hosted runners.
    runs-on: Windows

    # Set a default shell for all run steps in the job.
    defaults:
      run:
        shell: bash

    steps:
      # Step 1: Check out the repository's code
      # This downloads the latest version of your 'main' branch into the runner's working directory.
      - name: Checkout repository
        uses: actions/checkout@v4

      # Step 2: Set up a specific Python version
      # This ensures a consistent Python version is used for the venv.
      - 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
      # This creates a '.venv' directory in your project folder if it doesn't exist,
      # and then activates it for subsequent steps.
      - name: Create and activate virtual environment
        run: |
          if [ ! -d ".venv" ]; then
            python -m venv .venv
          fi
          source .venv/bin/activate

      # Step 4: Install or update dependencies
      # This uses the pip from the virtual environment to install all required libraries.
      - name: Install dependencies
        run: |
          source .venv/bin/activate
          pip install --upgrade pip
          pip install -r requirements.txt
      
      # Step 5: Run the indexing script within the virtual environment
      # It executes your 'create_index.py' script using the Python from the venv.
      # The GITHUB_TOKEN is still passed securely to the script.
      - name: Run indexing script
        run: |
          source .venv/bin/activate
          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
        
      # The "Upload database artifact" step is no longer needed, as the database
      # is now being written directly to a persistent location on your server.