name: Validate PR Title

on:
  pull_request:
    types: [opened, reopened, edited]
    branches: [main]

jobs:
  pr-title:
    uses: salesforcecli/github-workflows/.github/workflows/validatePR.yml@main

  conventional-commit-title:
    name: Validate Conventional Commit Title
    runs-on: ubuntu-latest
    steps:
      - name: Check PR title format
        env:
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          if ! echo "$PR_TITLE" | grep -qP '^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\([^)]+\))?(!)?: .+$'; then
            echo "PR title does not match Conventional Commits format."
            echo ""
            echo "Expected: <type>(<scope>): <description>"
            echo "  Types: build, chore, ci, docs, feat, fix, perf, refactor, revert, style, test"
            echo "  Breaking change: append '!' before the colon"
            echo ""
            echo "Examples:"
            echo "  feat(auth): add OAuth2 support"
            echo "  fix: resolve null pointer in parser"
            echo "  feat!: drop support for Node 14"
            echo ""
            echo "Got: $PR_TITLE"
            exit 1
          fi
          echo "PR title matches Conventional Commits format."