name: Generate Directory Markdown

on:
  push:
    branches: [master]
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  generate-directory:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Run Directory Tree Generator
        uses: DenizAltunkapan/directory-tree-generator@v2
        with:
          path: src
          extensions: .java
          show-extensions: false

      - name: Commit changes
        run: |
          git config --global user.name "$GITHUB_ACTOR"
          git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com"
          git add DIRECTORY.md
          git diff --cached --quiet || git commit -m "Update DIRECTORY.md"
      
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.REPO_SCOPED_TOKEN }}
          branch: update-directory
          base: master
          title: "Update DIRECTORY.md"
          body: "Automatically generated update of the directory tree."
          commit-message: "Update DIRECTORY.md"
          draft: false