name: Update submodules

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  update:
    runs-on: ubuntu-latest
    timeout-minutes: 5

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - name: Pull & update submodules recursively
        run: |
          git submodule update --init --recursive
          git submodule update --recursive --remote

      - name: Commit changes
        run: |
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@github.com"
          git checkout -b update-submodules
          git add .
          git commit -m "Update submodules"

      - name: Push changes
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git push --set-upstream origin update-submodules

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: update-submodules
          title: "Update submodules"
          body: "Automated update of submodules."
          draft: false
          base: main