name: Update Submodule

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

jobs:
  update:
    name: Update fullstack-template
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          submodules: true
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Update submodule to latest
        run: |
          git submodule update --remote templates/fullstack-template

      - name: Check for changes
        id: changes
        run: |
          if git diff --quiet; then
            echo "has_changes=false" >> $GITHUB_OUTPUT
          else
            echo "has_changes=true" >> $GITHUB_OUTPUT
          fi

      - name: Create Pull Request
        if: steps.changes.outputs.has_changes == 'true'
        uses: peter-evans/create-pull-request@v5
        with:
          commit-message: "chore: update fullstack-template submodule"
          title: "chore: update fullstack-template submodule"
          body: |
            Automated update of the `fullstack-template` submodule to the latest commit.

            This PR was created automatically by the update-submodule workflow.
          branch: auto/update-fullstack-template
          delete-branch: true