name: Update lockfile

on:
  push:
    paths:
      - 'pyproject.toml'
    branches:
      - main
  workflow_dispatch: # Allows manual triggering from GitHub UI

jobs:
  update-lockfile:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          # This gives the workflow permission to push back to the repo
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Install uv
        uses: astral-sh/setup-uv@v1

      - name: Update lockfile
        run: uv lock

      - name: Check for changes
        id: verify-changed-files
        run: |
          if [ -n "$(git status --porcelain)" ]; then
            echo "changed=true" >> $GITHUB_OUTPUT
          else
            echo "changed=false" >> $GITHUB_OUTPUT
          fi

      - name: Commit lockfile
        if: steps.verify-changed-files.outputs.changed == 'true'
        run: |
          git config --local user.email "action@github.com"  
          git config --local user.name "GitHub Action"
          git add uv.lock
          git commit -m "chore: update uv.lock after dependency changes"
          git push