name: "validate"

on:
  pull_request:
    types: [opened, edited, synchronize, reopened]

jobs:
  check-pr-base:
    name: "Pull request base is 'develop'"
    runs-on: ubuntu-latest
    steps:
      - name: Fail if PR base is not 'develop'
        if: github.event.pull_request.base.ref != 'develop'
        run: |
          echo "❌ Pull request must target the 'develop' branch. Current base: '${{ github.event.pull_request.base.ref }}'"
          exit 1

  check-for-changes:
    runs-on: ubuntu-latest
    if: github.event.pull_request.changed_files > 0
    steps:
      - run: echo "PR has changes, proceeding with lint"

  lint:
    name: "Lint"
    needs: check-for-changes
    runs-on: macos-15
    steps:
      - name: Checkout
        uses: actions/checkout@v5
      - name: Lint
        run: CommandLineTool/swiftformat . --cache ignore --lint