name: Compile Agentic Workflows

on:
  pull_request:
    branches: ["main"]
    paths:
      - ".github/workflows/*.md"
  push:
    branches: ["main"]
    paths:
      - ".github/workflows/*.md"

permissions:
  contents: write
  pull-requests: write

jobs:
  compile:
    name: Compile
    runs-on: ubuntu-latest

    steps:
      - name: Checkout (push)
        if: github.event_name == 'push'
        uses: actions/checkout@v4
        with:
          # A PAT with workflows scope is required to push .lock.yml
          # files under .github/workflows/.
          token: ${{ secrets.GH_PAT || secrets.GITHUB_TOKEN }}

      - name: Checkout (PR head branch)
        if: github.event_name == 'pull_request'
        uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref }}
          token: ${{ secrets.GH_PAT || secrets.GITHUB_TOKEN }}

      - name: Install gh-aw extension
        run: gh extension install github/gh-aw
        env:
          GH_TOKEN: ${{ secrets.GH_PAT || github.token }}

      - name: Compile all agentic workflows
        run: gh aw compile .github/workflows/*.md
        env:
          GH_TOKEN: ${{ secrets.GH_PAT || github.token }}

      - name: Commit and push lock files if changed
        run: |
          git add .github/workflows/*.lock.yml || true
          if git diff --cached --quiet; then
            echo "Lock files are up to date."
          else
            git config user.name "github-actions[bot]"
            git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
            git commit -m "Recompile agentic workflow lock files"
            git push
          fi