name: Extract PR Number

on:
  workflow_call:
    outputs:
      pr_number:
        description: "The PR number (padded: 01, 02, etc.)"
        value: ${{ jobs.extract.outputs.pr_number }}
      pr_number_unpadded:
        description: "The PR number (unpadded: 1, 2, etc.)"
        value: ${{ jobs.extract.outputs.pr_number_unpadded }}

jobs:
  extract:
    runs-on: ubuntu-latest
    outputs:
      pr_number: ${{ steps.extract.outputs.pr_number }}
      pr_number_unpadded: ${{ steps.extract.outputs.pr_number_unpadded }}
    steps:
      - name: Extract PR number
        id: extract
        run: |
          PR_NUMBER="${{ github.event.pull_request.number }}"
          if [ -z "$PR_NUMBER" ] || [ "$PR_NUMBER" = "" ]; then
            PR_NUMBER="${{ github.event.number }}"
          fi

          if [ -z "$PR_NUMBER" ] || [ "$PR_NUMBER" = "" ]; then
            echo "Could not extract PR number from event."
            exit 1
          fi

          PADDED_PR_NUMBER=$(printf "%02d" "$PR_NUMBER")
          echo "pr_number=$PADDED_PR_NUMBER" >> $GITHUB_OUTPUT
          echo "pr_number_unpadded=$PR_NUMBER" >> $GITHUB_OUTPUT